/* ═══════════════════════════════════════════════════════════════════
   WithAvis Landing Page — Ultra-Transparent Liquid Glass (Linear / WWDC25 스타일)
   ═══════════════════════════════════════════════════════════════════ */

:root {
    /* ── Liquid Glass Dark 베이스 ── */
    --bg-base: #0a0c10;
    --bg-surface: rgba(18, 22, 30, 0.7);
    --bg-card: rgba(20, 24, 34, 0.45);

    --border-light: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.2);
    --glass-rim: inset 0 1px 1px 0 rgba(255, 255, 255, 0.14);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.32);

    /* ── 세련된 사파이어 / 인디고 슬레이트 악센트 (AI 네온 보라 탈피) ── */
    --primary: #3b82f6;
    --primary-soft: rgba(59, 130, 246, 0.12);
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.2);

    --accent-lavender: rgba(167, 139, 250, 0.08);
    --accent-sky: rgba(56, 189, 248, 0.08);
    --accent-rose: rgba(244, 114, 182, 0.08);
    --accent-mint: rgba(52, 211, 153, 0.08);
    --accent-amber: rgba(251, 191, 36, 0.08);

    /* ── 텍스트 컬러 ── */
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    --text-dim: #6b7280;

    --radius-lg: 18px;
    --radius-md: 12px;
    --radius-sm: 8px;

    --font-outfit: 'Outfit', sans-serif;
    --font-pretendard: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-pretendard);
    background-color: var(--bg-base);
    color: var(--text-main);
    overflow-x: hidden;
}

body {
    position: relative;
    line-height: 1.6;
    background: #0a0c10;
    background-image: radial-gradient(circle at 50% -15%, rgba(59, 130, 246, 0.07) 0%, transparent 60%);
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ── 몽환적인 AI 네온 글로우 오브 전면 비활성화 ── */
.cursor-glow,
.bg-glow,
.bg-glow-1,
.bg-glow-2,
.bg-glow-3 {
    display: none !important;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* ── 초투명 Liquid Glass 카드 (저심도 림 하이라이트) ── */
.glass-card {
    position: relative;
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-rim), var(--glass-shadow);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

/* 절제된 마우스 스팟라이트 리플렉션 */
.glass-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(
        400px circle at var(--mouse-x, -1000px) var(--mouse-y, -1000px), 
        rgba(255, 255, 255, 0.03) 0%, 
        transparent 60%
    );
    pointer-events: none;
    border-radius: inherit;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.glass-card:hover::after {
    opacity: 1;
}

.glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.24), 0 12px 36px rgba(0, 0, 0, 0.45);
    transform: translateY(-2px);
}

/* ── 정갈한 실버/화이트 타이틀 텍스트 ── */
.gradient-text {
    background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

/* ── kbd 스타일 (Raycast 키캡) ── */
kbd {
    background: #16181f;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 2px solid rgba(255, 255, 255, 0.22);
    border-radius: 6px;
    padding: 2px 7px;
    font-size: 0.84em;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    color: #e5e7eb;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ── 네비게이션 바 (초투명 Liquid Glass 캡슐 리본) ── */
.navbar {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(10, 12, 16, 0.72);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 -1px 0 0 rgba(255, 255, 255, 0.03), 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: background 0.25s ease, border-color 0.25s ease;
}

.navbar .nav-container,
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
    width: 100%;
    max-width: 100%;
    padding: 0 36px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #e2e8f0;
    font-family: var(--font-outfit);
    font-weight: 800;
    font-size: 1.35rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.brand-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.logo-text {
    font-size: 1.35rem;
}

.version-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.25);
    color: #93c5fd;
    letter-spacing: 0.2px;
    margin-left: 2px;
    vertical-align: middle;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    text-decoration: none;
    color: #94a3b8;
    font-size: 0.95rem;
    font-weight: 600;
    transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
}

.nav-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.nav-store-link {
    text-decoration: none;
    color: #94a3b8;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s;
}

.nav-store-link:hover {
    color: #f1f5f9;
}

/* ── 버튼 공통 (Liquid Glass 캡슐 & 림 하이라이트) ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    outline: none;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #ffffff !important;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.22), 0 2px 10px rgba(0, 0, 0, 0.25);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.32);
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.3), 0 4px 16px rgba(0, 0, 0, 0.35);
}

.btn-primary,
.btn-primary * {
    color: #ffffff !important;
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #e5e7eb;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.22);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.14), 0 4px 16px rgba(0, 0, 0, 0.35);
}

.btn-lg {
    padding: 12px 24px;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
}

/* 절제된 섀도우 */
.shadow-glow {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    animation: none;
}

/* ── 히어로 섹션 ── */
.hero-section {
    padding: 70px 0 50px;
}

.hero-container {
    max-width: 1320px;
    display: grid;
    grid-template-columns: 1fr 1.22fr;
    gap: 40px;
    align-items: center;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #9ca3af;
    margin-bottom: 22px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
}

.hero-pill .pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 6px #10b981;
}

.pill-version {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 1px 7px;
    border-radius: 10px;
    background: var(--primary);
    color: #ffffff;
    margin-left: 4px;
    letter-spacing: 0.2px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 18px;
    letter-spacing: -0.6px;
    color: #f1f5f9;
    word-break: keep-all;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.7;
    word-break: keep-all;
}

.hero-btns {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.hero-btns .btn-lg {
    padding: 13px 26px;
    font-size: 0.98rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    white-space: nowrap;
    border-radius: 14px;
}

.hero-supported-models {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    color: var(--text-dim);
    flex-wrap: wrap;
    padding-left: 2px;
}

.hero-supported-models .models-label {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.hero-supported-models .models-pipe {
    color: rgba(255, 255, 255, 0.15);
    font-size: 0.78rem;
}

.hero-supported-models .model-name {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-dim);
}

.hero-supported-models .model-name i {
    font-size: 0.82rem;
    color: var(--primary);
}

.hero-supported-models .model-dot {
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.85rem;
}

/* ── 목업 프리뷰 (Liquid Glass 슬래브) ── */
.hero-image-wrapper {
    position: relative;
}

.mockup-card {
    overflow: hidden;
    background: rgba(14, 18, 26, 0.6);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.15), 0 24px 60px -15px rgba(0, 0, 0, 0.6);
}

.mockup-header {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    background: rgba(18, 22, 32, 0.7);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #eab308; }
.dot.green { background: #22c55e; }

.mockup-url {
    margin: 0 auto;
    font-size: 0.75rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 6px;
}

.mockup-body {
    padding: 6px;
    background: rgba(10, 12, 18, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    display: block;
    object-fit: cover;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.hero-img:hover {
    transform: scale(1.012);
}

/* ── 통계 섹션 ── */
.stats-section {
    padding: 30px 0 50px;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.stat-card {
    padding: 24px;
    text-align: center;
}

.stat-icon {
    font-size: 1.6rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.stat-num {
    font-size: 2.1rem;
    font-weight: 800;
    font-family: var(--font-outfit);
    color: #f1f5f9;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ── 기능 그리드 섹션 ── */
.features-section {
    padding: 70px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 46px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: #f1f5f9;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 26px 22px;
    display: flex;
    flex-direction: column;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 18px;
    transition: transform 0.2s, box-shadow 0.3s;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
}

/* 정갈한 미니멀 아이콘 톤 (Liquid Glass 칩) */
.gradient-icon-1 {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.2);
}
.gradient-icon-2 {
    background: rgba(244, 114, 182, 0.1);
    color: #f472b6;
    border: 1px solid rgba(244, 114, 182, 0.2);
}
.gradient-icon-3 {
    background: rgba(147, 197, 253, 0.1);
    color: #93c5fd;
    border: 1px solid rgba(147, 197, 253, 0.2);
}
.gradient-icon-4 {
    background: rgba(52, 211, 153, 0.1);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.2);
}
.gradient-icon-5 {
    background: rgba(251, 191, 36, 0.1);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.2);
}
.gradient-icon-6 {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #e2e8f0;
    line-height: 1.4;
}

.feature-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ── 인터랙티브 데모 섹션 ── */
.demo-section {
    padding: 70px 0;
}

.demo-wrapper {
    display: grid;
    grid-template-columns: 270px 1fr;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: rgba(14, 18, 26, 0.6);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.12), 0 20px 50px -10px rgba(0, 0, 0, 0.5);
}

.demo-sidebar {
    padding: 22px;
    background: rgba(18, 22, 32, 0.5);
    border-right: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.demo-sidebar h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 700;
}

.demo-tab-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 14px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
}

.demo-tab-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #f1f5f9;
}

.demo-tab-btn.active {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.3);
    color: #93c5fd;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.1);
}

.demo-display {
    padding: 30px;
    background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.03) 0%, rgba(10, 12, 18, 0.6) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ── WithAvis 위젯 목업 (초투명 Liquid Glass) ── */
.acw-mockup-panel {
    position: relative;
    width: 100%;
    max-width: 440px;
    height: 520px;
    margin: 0 auto;
    background: rgba(16, 20, 28, 0.65);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 28px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.18), 0 25px 60px -10px rgba(0, 0, 0, 0.55);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    font-family: var(--font-pretendard);
    transition: background 0.3s ease;
}

.acw-mockup-panel::before {
    display: none;
}

/* 1. 위젯 헤더 */
.acw-mockup-header {
    position: relative;
    z-index: 2;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.acw-mockup-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: transparent;
}

.acw-mockup-avatar img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.acw-mockup-title-area {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.acw-mockup-dropdown {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 700;
    font-size: 14px;
    color: #e2e8f0;
    letter-spacing: -0.3px;
    cursor: pointer;
    user-select: none;
}

.acw-mockup-arrow {
    color: var(--text-dim);
    transition: transform 0.2s;
}

.acw-mockup-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25), 0 0 8px rgba(16, 185, 129, 0.3);
    flex-shrink: 0;
}

.acw-mockup-controls {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.acw-mockup-slider-box {
    display: flex;
    align-items: center;
    gap: 5px;
    background: rgba(20, 24, 34, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 2px 7px;
    border-radius: 20px;
    height: 24px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
}

.acw-mockup-slider {
    width: 42px;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.acw-mockup-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    box-shadow: 0 0 6px rgba(59, 130, 246, 0.5);
}

.acw-mockup-ctrl-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(20, 24, 34, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
}

.acw-mockup-ctrl-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: none;
}

/* 2. 게이지 바 */
.acw-mockup-gauge-track {
    position: relative;
    z-index: 2;
    height: 2.5px;
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
}

.acw-mockup-gauge-bar {
    height: 100%;
    width: 32%;
    background: linear-gradient(90deg, #10b981 0%, #34d399 100%);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.3);
}

/* 3. 대화 메시지 영역 */
.acw-mockup-messages {
    position: relative;
    z-index: 1;
    flex: 1;
    overflow-y: auto;
    padding: 14px 16px 8px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.acw-mockup-messages::-webkit-scrollbar {
    width: 4px;
}

.acw-mockup-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 2px;
}

.acw-mockup-msg {
    display: flex;
    flex-direction: column;
    width: 100%;
    animation: acwMsgFadeUp 0.3s ease forwards;
}

@keyframes acwMsgFadeUp {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

.acw-mockup-msg.ai {
    align-items: flex-start;
}

.acw-mockup-msg.user {
    align-items: flex-end;
}

.acw-mockup-bubble {
    padding: 12px 16px;
    border-radius: 18px;
    font-size: 13.5px;
    line-height: 1.6;
    max-width: 86%;
    word-break: break-word;
}

.acw-mockup-msg.ai .acw-mockup-bubble {
    background: rgba(22, 27, 38, 0.65);
    color: #e2e8f0;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom-left-radius: 4px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 4px 14px rgba(0, 0, 0, 0.25);
}

.acw-mockup-msg.user .acw-mockup-bubble {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #ffffff;
    border-radius: 18px;
    border-bottom-right-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.22), 0 4px 16px rgba(0, 0, 0, 0.25);
}

.acw-mockup-ts {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 3px;
    padding: 0 4px;
    user-select: none;
}

.acw-mockup-msg.ai .acw-mockup-ts {
    text-align: left;
}

.acw-mockup-msg.user .acw-mockup-ts {
    text-align: right;
}

.demo-chart-box {
    margin-top: 8px;
    padding: 10px 12px;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 10px;
    font-family: monospace;
    font-size: 0.82rem;
    color: #93c5fd;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.05);
}

/* 4. 하단 입력 영역 */
.acw-mockup-input-area {
    position: relative;
    z-index: 2;
    padding: 4px 14px 14px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.acw-mockup-input-wrapper {
    flex: 1;
    min-width: 0;
    background: rgba(20, 24, 34, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    padding: 0 14px;
    height: 46px;
}

.acw-mockup-input {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 13.5px;
    color: #e2e8f0;
    outline: none;
    font-family: inherit;
}

.acw-mockup-input::placeholder {
    color: var(--text-dim);
}

.acw-mockup-aux-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 46px;
    background: rgba(20, 24, 34, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
    flex-shrink: 0;
}

.acw-mockup-aux-btn {
    background: transparent;
    border: none;
    width: 100%;
    height: 21px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    cursor: pointer;
    transition: all 0.2s;
}

.acw-mockup-aux-btn:hover {
    color: #ffffff;
    transform: scale(1.1);
}

.acw-mockup-aux-divider {
    width: 16px;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
}

.acw-mockup-send-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.22), 0 4px 14px rgba(0, 0, 0, 0.25);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.acw-mockup-send-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.32);
    transform: translateY(-2px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.3), 0 6px 20px rgba(0, 0, 0, 0.35);
}

/* ── 비교 섹션 ── */
.comparison-section {
    padding: 70px 0;
}

.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.comp-card {
    padding: 30px;
    border-radius: var(--radius-lg);
}

.comp-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.comp-badge.bad {
    background: rgba(239, 68, 68, 0.12);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.comp-badge.good {
    background: rgba(16, 185, 129, 0.1);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.comp-card ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.comp-card li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.93rem;
    line-height: 1.5;
}

.before-card {
    background: rgba(239, 68, 68, 0.03);
    border: 1px solid rgba(239, 68, 68, 0.12);
}

.before-card li {
    color: var(--text-muted);
}

.before-card li i {
    color: #ef4444;
    margin-top: 4px;
}

.after-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-light);
    box-shadow: var(--glass-rim), var(--glass-shadow);
}

.after-card li {
    color: #f3f4f6;
    font-weight: 500;
}

.after-card li i {
    color: #38bdf8;
    margin-top: 4px;
}

.glow-border {
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
}

/* ── 보안 섹션 ── */
.security-section {
    padding: 40px 0;
}

.security-container {
    padding: 44px;
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
}

.security-icon {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 14px;
}

.security-content h2 {
    font-size: 1.9rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: #f1f5f9;
}

.security-content p {
    font-size: 0.98rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 26px;
}

.security-tags {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.security-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #93c5fd;
    background: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
    padding: 6px 16px;
    border-radius: 20px;
}

/* ── CTA 섹션 ── */
.cta-section {
    padding: 80px 0;
    text-align: center;
    position: relative;
}

/* CTA 영역 뒤 은은한 슬레이트 글래스 앰비언트 */
.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 400px;
    transform: translate(-50%, -50%);
    background: radial-gradient(ellipse, rgba(59, 130, 246, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.cta-container {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.3rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: #f1f5f9;
}

.cta-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ── 푸터 ── */
.footer {
    padding: 36px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    background: #0a0b0e;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-left p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.footer-version {
    font-size: 0.75rem;
    font-weight: 600;
    color: #9ca3af;
    padding: 1px 6px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 6px;
}

.footer-right {
    display: flex;
    gap: 20px;
}

.footer-right a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

.footer-right a:hover {
    color: var(--primary);
}

/* ── 반응형 미디어 쿼리 ── */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-btns, .hero-supported-models {
        justify-content: center;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }
    .demo-wrapper {
        grid-template-columns: 1fr;
    }
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .hero-title {
        font-size: 2rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .stats-container {
        grid-template-columns: 1fr;
    }
    .nav-links {
        display: none;
    }
}

/* ── 🔑 API 가이드 전용 스타일 ── */
.guide-section {
    padding: 80px 0 60px;
    position: relative;
    z-index: 1;
}

.guide-card {
    background: rgba(18, 22, 32, 0.55);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    padding: 44px 52px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.12), 0 20px 50px -15px rgba(0, 0, 0, 0.5);
    max-width: 1060px;
    margin: 0 auto;
}

.privacy-alert-banner {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.18);
    border-radius: 16px;
    color: #cbd5e1;
    font-size: 0.94rem;
    line-height: 1.6;
    margin-top: 20px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.05);
}

.privacy-alert-banner i {
    color: #60a5fa;
    font-size: 1.25rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.privacy-alert-banner strong {
    color: #f1f5f9;
}

.privacy-alert-banner code {
    background: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 0.88em;
}

.maker-tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin: 32px 0 32px;
}

.maker-tab-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 16px 12px;
    background: rgba(20, 24, 34, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
    text-align: center;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
}

.maker-tab-btn:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.12), 0 6px 20px rgba(0, 0, 0, 0.3);
}

.maker-tab-btn.active {
    border-color: rgba(59, 130, 246, 0.4);
    background: rgba(59, 130, 246, 0.1);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.15), 0 4px 16px rgba(37, 99, 235, 0.2);
}

.maker-tab-btn .tab-logo {
    width: 28px;
    height: 28px;
    object-fit: contain;
    border-radius: 6px;
}

.maker-tab-btn .tab-name {
    font-size: 0.98rem;
    font-weight: 700;
    color: #e2e8f0;
}

.maker-tab-btn .tab-badge {
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 7px;
    border-radius: 10px;
    white-space: nowrap;
}

.tab-badge.free {
    background: rgba(34, 197, 94, 0.12);
    color: #4ade80;
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.tab-badge.speed {
    background: rgba(251, 191, 36, 0.12);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.tab-badge.power {
    background: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.tab-badge.custom {
    background: rgba(148, 163, 184, 0.1);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.maker-panel {
    display: none;
}

.maker-panel.active {
    display: block;
    animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

.maker-overview {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(20, 24, 34, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px 24px;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
}

.overview-info h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #f1f5f9;
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.overview-info p {
    font-size: 0.93rem;
    color: var(--text-muted);
    margin: 0;
    line-height: 1.5;
}

.btn-portal {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #ffffff !important;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 12px;
    font-size: 0.93rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.22), 0 2px 8px rgba(0, 0, 0, 0.25);
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    white-space: nowrap;
}

.btn-portal:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.32);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.3), 0 6px 18px rgba(0, 0, 0, 0.35);
}

.btn-portal,
.btn-portal * {
    color: #ffffff !important;
}

.step-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}

.step-card {
    display: flex;
    gap: 18px;
    background: rgba(20, 24, 34, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px 22px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06), 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: all 0.2s ease;
}

.step-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.1), 0 6px 20px rgba(0, 0, 0, 0.3);
}

.step-num {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.1rem;
    flex-shrink: 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.2), 0 2px 8px rgba(0, 0, 0, 0.2);
}

.step-body {
    flex: 1;
}

.step-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 4px;
}

.step-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0 0 8px;
}

.step-desc:last-child {
    margin-bottom: 0;
}

.step-desc a {
    color: #60a5fa;
    font-weight: 600;
}

.step-desc a:hover {
    color: #93c5fd;
}

.step-code-box {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 5px 10px;
    font-family: ui-monospace, monospace;
    font-size: 0.86rem;
    color: #e2e8f0;
    font-weight: 600;
}

.spec-box {
    background: rgba(20, 24, 34, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 20px 22px;
    margin-top: 20px;
}

.spec-box h4 {
    font-size: 0.98rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.spec-table th,
.spec-table td {
    padding: 9px 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.spec-table th {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-muted);
    font-weight: 600;
}

.spec-table td {
    color: #cbd5e1;
}

.spec-table tr:last-child td {
    border-bottom: none;
}

.model-tag {
    font-family: ui-monospace, monospace;
    font-weight: 600;
    color: #93c5fd;
    background: rgba(59, 130, 246, 0.08);
    padding: 2px 7px;
    border-radius: 5px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.register-guide-card {
    margin-top: 36px;
    padding: 28px;
    background: rgba(20, 24, 34, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    color: #ffffff;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.1), 0 16px 40px -10px rgba(0, 0, 0, 0.4);
}

.register-guide-card h3 {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #f1f5f9;
}

.register-guide-card p {
    font-size: 0.93rem;
    color: #94a3b8;
    line-height: 1.6;
    margin-bottom: 20px;
}

.register-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.reg-step-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    padding: 16px;
    backdrop-filter: blur(8px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.05);
}

.reg-step-item .reg-num {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 800;
    color: #60a5fa;
    margin-bottom: 4px;
    letter-spacing: 0.5px;
}

.reg-step-item h5 {
    font-size: 0.96rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-bottom: 4px;
}

.reg-step-item p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 768px) {
    .guide-card {
        padding: 28px 18px;
    }
    .maker-tabs {
        grid-template-columns: repeat(2, 1fr);
    }
    .maker-overview {
        flex-direction: column;
        align-items: flex-start;
    }
    .step-card {
        flex-direction: column;
        gap: 12px;
    }
    .register-steps-grid {
        grid-template-columns: 1fr;
    }
}

/* ── 스크롤바 글로벌 다크 스타일 (Liquid Glass 트랙 & 썸) ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(10, 12, 16, 0.6);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.16);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.28);
}

/* ── 텍스트 셀렉션 ── */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: #f1f5f9;
}

/* ═══════════════════════════════════════════════════════════════════
   📄 서브페이지 공통 (업데이트 노트, 개인정보처리방침 등)
   ═══════════════════════════════════════════════════════════════════ */
.changelog-page-section,
.privacy-page-section,
.guide-page-section {
    padding: 120px 0 80px;
    min-height: 85vh;
    position: relative;
    z-index: 1;
}

.changelog-card,
.privacy-card,
.guide-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 48px 56px;
    box-shadow: var(--glass-rim), var(--glass-shadow);
    max-width: 960px;
    margin: 0 auto;
}

.changelog-header,
.privacy-header,
.guide-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 24px;
    margin-bottom: 36px;
}

.changelog-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
}

.changelog-header h1,
.privacy-header h1,
.guide-header h1 {
    font-size: 2.2rem;
    font-weight: 800;
    color: #f1f5f9;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.changelog-header p,
.guide-header p {
    font-size: 1rem;
    color: #94a3b8;
    margin: 0 0 12px;
    line-height: 1.6;
}

.changelog-meta,
.privacy-meta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    font-size: 0.88rem;
    color: #9ca3af;
    font-weight: 500;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
}

.btn-toggle-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: #e5e7eb;
    transition: all 0.2s ease;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 1px 3px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.btn-toggle-all:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.22);
}

/* ── 아코디언 카드 리스트 (초투명 Liquid Glass 카드) ── */
.accordion-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.accordion-card {
    background: rgba(18, 22, 32, 0.45);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 2px 8px rgba(0, 0, 0, 0.25);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.accordion-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.14), 0 4px 16px rgba(0, 0, 0, 0.35);
}

.accordion-card.open {
    border-color: rgba(59, 130, 246, 0.35);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.16), 0 6px 24px rgba(0, 0, 0, 0.35);
}

.accordion-card.hidden-by-limit {
    display: none !important;
}

.accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    user-select: none;
    background: transparent;
    transition: background 0.15s ease;
}

.accordion-header:hover {
    background: rgba(255, 255, 255, 0.03);
}

.accordion-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
    flex: 1;
    min-width: 0;
}

.toggle-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #9ca3af;
    font-size: 0.92rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.accordion-card.open .toggle-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: #ffffff;
    border-color: var(--primary);
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.4);
}

.version-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: #f1f5f9;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.version-tag {
    font-family: 'Outfit', 'Pretendard', sans-serif;
    font-size: 1.2rem;
    font-weight: 800;
    color: #f1f5f9;
    letter-spacing: -0.01em;
    flex-shrink: 0;
}

.version-summary {
    font-size: 0.98rem;
    font-weight: 500;
    color: #94a3b8;
    word-break: keep-all;
    overflow-wrap: break-word;
    line-height: 1.4;
}

.accordion-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    margin-left: 12px;
}

.date-badge {
    font-size: 0.88rem;
    color: #94a3b8;
    font-weight: 500;
}

.status-pill {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.status-pill.latest {
    background: rgba(59, 130, 246, 0.12);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.28);
}

.status-pill.stable {
    background: rgba(255, 255, 255, 0.06);
    color: #94a3b8;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
    background: transparent;
}

.accordion-card.open .accordion-content {
    max-height: 2000px;
    transition: max-height 0.4s ease-in-out;
}

.accordion-body-inner {
    padding: 4px 24px 28px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.release-intro {
    padding: 16px 18px;
    font-size: 0.96rem;
    color: #cbd5e1;
    line-height: 1.7;
    border-left: 3px solid var(--primary);
    margin: 18px 0 22px;
    background: rgba(59, 130, 246, 0.06);
    border-radius: 0 12px 12px 0;
}

.change-group {
    margin-bottom: 22px;
}

.change-group:last-child {
    margin-bottom: 0;
}

.group-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.88rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.group-label.feat { color: #38bdf8; }
.group-label.fix { color: #fbbf24; }
.group-label.perf { color: #34d399; }

.change-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.change-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.95rem;
    color: #cbd5e1;
    line-height: 1.65;
}

.change-list li::before {
    content: "•";
    position: absolute;
    left: 6px;
    top: -1px;
    color: #60a5fa;
    font-size: 1.1rem;
}

.change-list li strong {
    color: #f1f5f9;
    font-weight: 600;
}

.load-more-container {
    display: flex;
    justify-content: center;
    margin-top: 36px;
}

.btn-load-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 12px;
    color: #e2e8f0;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.15), 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-load-more:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.28);
    color: #ffffff;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.25), 0 4px 14px rgba(0, 0, 0, 0.3);
}

.btn-load-more .badge-count {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    font-size: 0.82rem;
    color: #f1f5f9;
    transition: all 0.2s ease;
}

.btn-load-more:hover .badge-count {
    background: rgba(255, 255, 255, 0.22);
    color: #ffffff;
}

/* ── 개인정보처리방침 전용 요소 ── */
.lang-switch-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.lang-tab-btn {
    padding: 8px 18px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #cbd5e1;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.06);
}

.lang-tab-btn.active,
.lang-tab-btn:hover {
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.28);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.25), 0 4px 14px rgba(0, 0, 0, 0.3);
}

.policy-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-top: 36px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.policy-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: #e2e8f0;
    margin-top: 24px;
    margin-bottom: 12px;
}

.policy-body p,
.policy-body li {
    font-size: 1rem;
    line-height: 1.8;
    color: #cbd5e1;
}

.policy-body ul,
.policy-body ol {
    padding-left: 24px;
    margin-bottom: 20px;
}

.policy-body li {
    margin-bottom: 8px;
}

.policy-table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 0.92rem;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.policy-table th,
.policy-table td {
    padding: 12px 18px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.policy-table th {
    background: rgba(255, 255, 255, 0.04);
    color: #f1f5f9;
    font-weight: 700;
}

.policy-table td {
    color: #cbd5e1;
}

.policy-table tr:last-child td {
    border-bottom: none;
}

.policy-divider {
    border: 0;
    height: 1px;
    background: rgba(255, 255, 255, 0.08);
    margin: 48px 0;
}

@media (max-width: 768px) {
    .changelog-card,
    .privacy-card {
        padding: 32px 20px;
    }
    .changelog-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .changelog-header h1,
    .privacy-header h1 {
        font-size: 1.7rem;
    }
    .accordion-header {
        padding: 16px;
    }
    .version-title {
        font-size: 0.95rem;
    }
    .accordion-header-right {
        flex-direction: column;
        align-items: flex-end;
        gap: 4px;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   테마 토글 아이콘 버튼 (Liquid Glass 캡슐)
   ═══════════════════════════════════════════════════════════════════ */
.theme-toggle-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.14), 0 2px 8px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    outline: none;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.24);
    transform: translateY(-1px) scale(1.05);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.2), 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* 다크 모드: 달 표시, 해 숨김 */
.theme-toggle-btn .theme-icon-dark {
    font-size: 16px;
    color: #e2e8f0;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: absolute;
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle-btn .theme-icon-light {
    font-size: 16px;
    color: #f59e0b;
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

/* 라이트 모드: 해 표시, 달 숨김 */
[data-theme="light"] .theme-toggle-btn {
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.8), 0 1px 4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .theme-toggle-btn:hover {
    background: rgba(0, 0, 0, 0.07);
    border-color: rgba(0, 0, 0, 0.14);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9), 0 2px 8px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .theme-toggle-btn .theme-icon-dark {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="light"] .theme-toggle-btn .theme-icon-light {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* ═══════════════════════════════════════════════════════════════════
   🌤️ 라이트 테마 오버라이드 (data-theme="light") — Ultra-Transparent Liquid Glass
   ═══════════════════════════════════════════════════════════════════ */
[data-theme="light"] {
    --bg-base: #f8fafc;
    --bg-surface: rgba(255, 255, 255, 0.85);
    --bg-card: rgba(255, 255, 255, 0.65);

    --border-light: rgba(226, 232, 240, 0.8);
    --border-hover: rgba(59, 130, 246, 0.4);
    --glass-rim: inset 0 1px 1px 0 rgba(255, 255, 255, 0.95);
    --glass-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 4px 8px -2px rgba(0, 0, 0, 0.02);

    --primary: #2563eb;
    --primary-soft: rgba(37, 99, 235, 0.08);
    --primary-hover: #1d4ed8;
    --primary-glow: rgba(37, 99, 235, 0.15);

    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #64748b;
}

[data-theme="light"] body {
    background: #f8fafc;
    background-image: radial-gradient(circle at 50% -10%, rgba(37, 99, 235, 0.04) 0%, transparent 60%);
}

/* 글래스 카드 (라이트) */
[data-theme="light"] .glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid var(--border-light);
    box-shadow: var(--glass-rim), var(--glass-shadow);
}
[data-theme="light"] .glass-card::after {
    background: radial-gradient(
        480px circle at var(--mouse-x, -1000px) var(--mouse-y, -1000px),
        rgba(37, 99, 235, 0.06) 0%,
        transparent 65%
    );
}
[data-theme="light"] .glass-card:hover {
    border-color: var(--border-hover);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 16px 36px -8px rgba(37, 99, 235, 0.12), 0 4px 12px rgba(0, 0, 0, 0.03);
}

/* 그라디언트 텍스트 (라이트) */
[data-theme="light"] .gradient-text {
    background: linear-gradient(180deg, #0f172a 0%, #334155 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* kbd */
[data-theme="light"] kbd {
    background: #ffffff;
    border-color: #cbd5e1;
    color: #475569;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* 네비바 (라이트 초투명 Liquid Glass) */
[data-theme="light"] .navbar {
    background: rgba(255, 255, 255, 0.72);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: inset 0 -1px 0 0 rgba(255, 255, 255, 0.8), 0 4px 20px -2px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .logo { color: #0f172a; }
[data-theme="light"] .nav-links a { color: #475569; }
[data-theme="light"] .nav-links a:hover,
[data-theme="light"] .nav-links a.active { color: var(--primary); }
[data-theme="light"] .nav-store-link { color: #475569; }
[data-theme="light"] .nav-store-link:hover { color: var(--primary); }

/* 버튼 (라이트) */
[data-theme="light"] .btn-primary {
    background: rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.14);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.95), 0 2px 6px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .btn-primary:hover {
    background: rgba(15, 23, 42, 0.14);
    border-color: rgba(15, 23, 42, 0.22);
    color: #0f172a !important;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 1), 0 4px 14px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .btn-primary,
[data-theme="light"] .btn-primary * {
    color: #0f172a !important;
}
[data-theme="light"] .btn-glass {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(226, 232, 240, 0.9);
    color: #334155;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9);
}
[data-theme="light"] .btn-glass:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(59, 130, 246, 0.35);
    color: var(--primary);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 4px 12px rgba(0, 0, 0, 0.05);
}
[data-theme="light"] .shadow-glow {
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.2);
    animation: none;
}

/* 히어로 (라이트) */
[data-theme="light"] .hero-pill {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(226, 232, 240, 0.9);
    color: #334155;
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .hero-title { color: #0f172a; }
[data-theme="light"] .hero-supported-models .models-pipe { color: #cbd5e1; }
[data-theme="light"] .hero-supported-models .model-name { color: #64748b; }
[data-theme="light"] .hero-supported-models .model-name i { color: #3b82f6; }
[data-theme="light"] .hero-supported-models .model-dot { color: #cbd5e1; }

/* 목업 (라이트) */
[data-theme="light"] .mockup-card {
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(226, 232, 240, 0.9);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 20px 45px -10px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .mockup-header { background: rgba(248, 250, 252, 0.85); border-bottom-color: rgba(226, 232, 240, 0.8); }
[data-theme="light"] .mockup-body { background: rgba(241, 245, 249, 0.6); }
[data-theme="light"] .hero-img { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.07); }
[data-theme="light"] .dot.red { background: #fca5a5; }
[data-theme="light"] .dot.yellow { background: #fde047; }
[data-theme="light"] .dot.green { background: #86efac; }

/* 섹션 타이틀 */
[data-theme="light"] .section-title { color: #0f172a; }
[data-theme="light"] .stat-num { color: #0f172a; }

/* 기능 카드 아이콘 */
[data-theme="light"] .gradient-icon-1 { background: rgba(59, 130, 246, 0.1); color: #2563eb; border-color: rgba(59, 130, 246, 0.2); }
[data-theme="light"] .gradient-icon-2 { background: rgba(244, 114, 182, 0.1); color: #db2777; border-color: rgba(244, 114, 182, 0.2); }
[data-theme="light"] .gradient-icon-3 { background: rgba(147, 197, 253, 0.12); color: #2563eb; border-color: rgba(147, 197, 253, 0.25); }
[data-theme="light"] .gradient-icon-4 { background: rgba(52, 211, 153, 0.1); color: #059669; border-color: rgba(52, 211, 153, 0.2); }
[data-theme="light"] .gradient-icon-5 { background: rgba(251, 191, 36, 0.1); color: #d97706; border-color: rgba(251, 191, 36, 0.2); }
[data-theme="light"] .gradient-icon-6 { background: rgba(56, 189, 248, 0.1); color: #0284c7; border-color: rgba(56, 189, 248, 0.2); }

[data-theme="light"] .feature-card h3 { color: #0f172a; }

/* 비교 섹션 */
[data-theme="light"] .comp-badge.bad {
    background: rgba(254, 226, 226, 0.8);
    color: #dc2626;
    border-color: rgba(252, 165, 165, 0.8);
}
[data-theme="light"] .comp-badge.good {
    background: rgba(219, 234, 254, 0.85);
    color: #1d4ed8;
    border-color: rgba(191, 219, 254, 0.9);
}
[data-theme="light"] .before-card {
    background: rgba(255, 255, 255, 0.6);
    border-color: #fed7d7;
}
[data-theme="light"] .before-card li { color: #64748b; }
[data-theme="light"] .before-card li i { color: #ef4444; }
[data-theme="light"] .after-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 12px 32px rgba(0, 0, 0, 0.05);
}
[data-theme="light"] .after-card li { color: #1e293b; }
[data-theme="light"] .after-card li i { color: #2563eb; }
[data-theme="light"] .glow-border {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.1);
}

/* CTA */
[data-theme="light"] .cta-section::before {
    background: radial-gradient(ellipse, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
}
[data-theme="light"] .cta-title { color: #0f172a; }

/* 푸터 */
[data-theme="light"] .footer {
    border-top-color: #e2e8f0;
    background: #ffffff;
}

/* 보안 섹션 */
[data-theme="light"] .security-container {
    background: rgba(255, 255, 255, 0.72);
    border-color: var(--border-light);
}
[data-theme="light"] .security-content h2 { color: #0f172a; }
[data-theme="light"] .security-tags span {
    color: #1d4ed8;
    background: rgba(219, 234, 254, 0.7);
    border-color: rgba(191, 219, 254, 0.8);
}

/* 가이드 카드 */
[data-theme="light"] .guide-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 20px 40px -15px rgba(0, 0, 0, 0.05);
}
[data-theme="light"] .privacy-alert-banner {
    background: rgba(37, 99, 235, 0.05);
    border-color: rgba(37, 99, 235, 0.18);
    color: #334155;
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .privacy-alert-banner i { color: #2563eb; }
[data-theme="light"] .privacy-alert-banner strong { color: #0f172a; }
[data-theme="light"] .privacy-alert-banner code {
    background: rgba(37, 99, 235, 0.08);
    color: #1d4ed8;
}

/* 메이커 탭 */
[data-theme="light"] .maker-tab-btn {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .maker-tab-btn:hover {
    border-color: #cbd5e1;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 6px 16px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .maker-tab-btn.active {
    border-color: rgba(37, 99, 235, 0.4);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 4px 16px rgba(37, 99, 235, 0.12);
}
[data-theme="light"] .maker-tab-btn .tab-name { color: #0f172a; }
[data-theme="light"] .tab-badge.free { color: #15803d; }
[data-theme="light"] .tab-badge.speed { color: #b45309; }
[data-theme="light"] .tab-badge.power { color: #1d4ed8; }
[data-theme="light"] .tab-badge.custom { background: #f1f5f9; color: #475569; border-color: #e2e8f0; }

/* 메이커 오버뷰 */
[data-theme="light"] .maker-overview {
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .overview-info h3 { color: #0f172a; }
[data-theme="light"] .overview-info p { color: #64748b; }
[data-theme="light"] .btn-portal {
    background: rgba(15, 23, 42, 0.07);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.14);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.95), 0 2px 6px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .btn-portal:hover {
    background: rgba(15, 23, 42, 0.13);
    border-color: rgba(15, 23, 42, 0.22);
    color: #0f172a !important;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 1), 0 6px 16px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .btn-portal,
[data-theme="light"] .btn-portal * {
    color: #0f172a !important;
}

/* 스텝 카드 */
[data-theme="light"] .step-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(16px);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 2px 8px rgba(0, 0, 0, 0.02);
}
[data-theme="light"] .step-card:hover {
    border-color: #cbd5e1;
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 6px 16px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .step-num {
    background: rgba(15, 23, 42, 0.08);
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.12);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9), 0 2px 6px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .step-title { color: #0f172a; }
[data-theme="light"] .step-desc a { color: #2563eb; }
[data-theme="light"] .step-desc a:hover { color: #1d4ed8; }
[data-theme="light"] .step-code-box {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(226, 232, 240, 0.9);
    color: #334155;
}

/* 스펙 박스 */
[data-theme="light"] .spec-box {
    background: rgba(255, 255, 255, 0.72);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .spec-box h4 { color: #0f172a; }
[data-theme="light"] .spec-table th { background: rgba(248, 250, 252, 0.8); color: #475569; }
[data-theme="light"] .spec-table td { color: #334155; }
[data-theme="light"] .spec-table th,
[data-theme="light"] .spec-table td { border-bottom-color: rgba(226, 232, 240, 0.6); }
[data-theme="light"] .model-tag {
    color: #1d4ed8;
    background: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.2);
}

/* 등록 가이드 카드 */
[data-theme="light"] .register-guide-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 16px 36px -10px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .register-guide-card h3 { color: #0f172a; }
[data-theme="light"] .register-guide-card p { color: #64748b; }
[data-theme="light"] .reg-step-item {
    background: rgba(255, 255, 255, 0.65);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .reg-step-item .reg-num { color: #2563eb; }
[data-theme="light"] .reg-step-item h5 { color: #0f172a; }
[data-theme="light"] .reg-step-item p { color: #64748b; }

/* 버전 배지 */
[data-theme="light"] .version-badge {
    background: rgba(37, 99, 235, 0.08);
    border-color: rgba(37, 99, 235, 0.2);
    color: #1d4ed8;
}
[data-theme="light"] .footer-version {
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    border-color: rgba(37, 99, 235, 0.15);
}

/* 데모 위젯 목업 — 라이트 초투명 Liquid Glass */
[data-theme="light"] .demo-wrapper {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 20px 50px -10px rgba(0, 0, 0, 0.06);
}
[data-theme="light"] .demo-sidebar {
    background: rgba(248, 250, 252, 0.6);
    border-right-color: rgba(226, 232, 240, 0.8);
}
[data-theme="light"] .demo-tab-btn { color: #475569; }
[data-theme="light"] .demo-tab-btn:hover { background: rgba(255, 255, 255, 0.7); color: #1e293b; }
[data-theme="light"] .demo-tab-btn.active {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(37, 99, 235, 0.3);
    color: #1d4ed8;
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .demo-display {
    background: radial-gradient(circle at 50% 50%, rgba(37, 99, 235, 0.03) 0%, rgba(241, 245, 249, 0.6) 100%);
}
[data-theme="light"] .acw-mockup-panel {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(28px) saturate(180%);
    -webkit-backdrop-filter: blur(28px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.95);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 25px 60px -10px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .acw-mockup-panel::before {
    display: none;
}
[data-theme="light"] .acw-mockup-dropdown { color: #1e293b; }
[data-theme="light"] .acw-mockup-slider-box {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .acw-mockup-slider { background: rgba(203, 213, 225, 0.6); }
[data-theme="light"] .acw-mockup-slider::-webkit-slider-thumb {
    background: #2563eb;
    box-shadow: 0 0 6px rgba(37, 99, 235, 0.4);
}
[data-theme="light"] .acw-mockup-ctrl-btn {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(226, 232, 240, 0.85);
    color: #475569;
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .acw-mockup-ctrl-btn:hover { background: #ffffff; color: #1e293b; }
[data-theme="light"] .acw-mockup-gauge-track { background: rgba(0, 0, 0, 0.04); }
[data-theme="light"] .acw-mockup-gauge-bar { box-shadow: none; }
[data-theme="light"] .acw-mockup-msg.ai .acw-mockup-bubble {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    color: #1e293b;
    border: 1px solid rgba(226, 232, 240, 0.8);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 4px 14px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .acw-mockup-msg.user .acw-mockup-bubble {
    background: rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.12);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9), 0 4px 14px rgba(0, 0, 0, 0.04);
}
[data-theme="light"] .acw-mockup-input-wrapper {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .acw-mockup-input { color: #1e293b; }
[data-theme="light"] .acw-mockup-aux-group {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .acw-mockup-aux-btn { color: #475569; }
[data-theme="light"] .acw-mockup-aux-btn:hover { color: #1e293b; }
[data-theme="light"] .acw-mockup-aux-divider { background: rgba(226, 232, 240, 0.8); }
[data-theme="light"] .acw-mockup-send-btn {
    background: rgba(15, 23, 42, 0.08);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    color: #0f172a !important;
    border: 1px solid rgba(15, 23, 42, 0.14);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.95), 0 4px 14px rgba(0, 0, 0, 0.05);
}
[data-theme="light"] .acw-mockup-send-btn:hover {
    background: rgba(15, 23, 42, 0.14);
    border-color: rgba(15, 23, 42, 0.22);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 1), 0 6px 18px rgba(0, 0, 0, 0.08);
}
[data-theme="light"] .acw-mockup-send-btn,
[data-theme="light"] .acw-mockup-send-btn * {
    color: #0f172a !important;
}
[data-theme="light"] .demo-chart-box {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(37, 99, 235, 0.2);
    color: #1d4ed8;
    box-shadow: inset 0 1px 1px 0 #ffffff;
}

/* 스크롤바 — 라이트 */
[data-theme="light"] ::-webkit-scrollbar-track { background: rgba(241, 245, 249, 0.6); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.14); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.24); }

/* 셀렉션 — 라이트 */
[data-theme="light"] ::selection {
    background: rgba(37, 99, 235, 0.15);
    color: #0f172a;
}

/* ── 서브페이지 라이트 테마 복원 (Changelog & Privacy) ── */
[data-theme="light"] .changelog-card,
[data-theme="light"] .privacy-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 20px 40px -15px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .changelog-header,
[data-theme="light"] .privacy-header,
[data-theme="light"] .guide-header {
    border-bottom-color: rgba(226, 232, 240, 0.8);
}

[data-theme="light"] .changelog-header h1,
[data-theme="light"] .privacy-header h1,
[data-theme="light"] .guide-header h1 {
    color: #0f172a;
}

[data-theme="light"] .changelog-header p,
[data-theme="light"] .guide-header p {
    color: #64748b;
}

[data-theme="light"] .changelog-meta,
[data-theme="light"] .privacy-meta {
    background: rgba(255, 255, 255, 0.75);
    border-color: rgba(226, 232, 240, 0.9);
    color: #64748b;
    box-shadow: inset 0 1px 1px 0 #ffffff;
}

[data-theme="light"] .btn-toggle-all,
[data-theme="light"] .btn-load-more {
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(15, 23, 42, 0.12);
    color: #0f172a;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9), 0 1px 3px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .btn-toggle-all:hover,
[data-theme="light"] .btn-load-more:hover {
    background: rgba(15, 23, 42, 0.12);
    border-color: rgba(15, 23, 42, 0.2);
    color: #0f172a !important;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 1), 0 4px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .btn-toggle-all:hover *,
[data-theme="light"] .btn-load-more:hover * {
    color: #0f172a !important;
}

[data-theme="light"] .btn-load-more .badge-count {
    background: rgba(15, 23, 42, 0.08);
    color: #0f172a;
}

[data-theme="light"] .btn-load-more:hover .badge-count {
    background: rgba(15, 23, 42, 0.15);
    color: #0f172a !important;
}

[data-theme="light"] .accordion-card {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 2px 8px -2px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .accordion-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 6px 20px -4px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .accordion-card.open {
    border-color: rgba(37, 99, 235, 0.35);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 8px 24px -4px rgba(37, 99, 235, 0.1);
}

[data-theme="light"] .accordion-header {
    background: transparent;
}

[data-theme="light"] .accordion-header:hover {
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .toggle-icon {
    border-color: rgba(0, 0, 0, 0.1);
    color: #64748b;
    background: #ffffff;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .accordion-card.open .toggle-icon {
    background: #2563eb;
    color: #ffffff !important;
    border-color: #2563eb;
    box-shadow: 0 0 10px rgba(37, 99, 235, 0.3);
}

[data-theme="light"] .accordion-card.open .toggle-icon * {
    color: #ffffff !important;
}

[data-theme="light"] .version-title,
[data-theme="light"] .version-tag {
    color: #0f172a;
}

[data-theme="light"] .version-summary {
    color: #475569;
}

[data-theme="light"] .date-badge {
    color: #64748b;
}

[data-theme="light"] .status-pill.latest {
    background: rgba(37, 99, 235, 0.08);
    color: #2563eb;
    border-color: rgba(37, 99, 235, 0.2);
}

[data-theme="light"] .status-pill.stable {
    background: rgba(0, 0, 0, 0.04);
    color: #475569;
    border-color: rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .accordion-content {
    background: transparent;
}

[data-theme="light"] .accordion-body-inner {
    border-top-color: rgba(226, 232, 240, 0.8);
}

[data-theme="light"] .release-intro {
    background: rgba(37, 99, 235, 0.04);
    color: #334155;
    border-left-color: #2563eb;
}

[data-theme="light"] .change-list li {
    color: #475569;
}

[data-theme="light"] .change-list li::before {
    color: #3b82f6;
}

[data-theme="light"] .change-list li strong {
    color: #0f172a;
}

[data-theme="light"] .lang-tab-btn {
    background: rgba(15, 23, 42, 0.05);
    border-color: rgba(15, 23, 42, 0.1);
    color: #475569;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .lang-tab-btn.active,
[data-theme="light"] .lang-tab-btn:hover {
    background: rgba(15, 23, 42, 0.12);
    color: #0f172a !important;
    border-color: rgba(15, 23, 42, 0.2);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 1), 0 2px 8px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .lang-tab-btn.active *,
[data-theme="light"] .lang-tab-btn:hover * {
    color: #0f172a !important;
}

[data-theme="light"] .policy-body h2 { color: #1e293b; }
[data-theme="light"] .policy-body h3 { color: #334155; }
[data-theme="light"] .policy-body p,
[data-theme="light"] .policy-body li { color: #475569; }

[data-theme="light"] .policy-table {
    border-color: rgba(226, 232, 240, 0.85);
    box-shadow: inset 0 1px 1px 0 #ffffff;
}
[data-theme="light"] .policy-table th {
    background: rgba(248, 250, 252, 0.8);
    color: #1e293b;
    border-bottom-color: rgba(226, 232, 240, 0.85);
}
[data-theme="light"] .policy-table td {
    color: #475569;
    border-bottom-color: rgba(226, 232, 240, 0.85);
}
[data-theme="light"] .policy-divider { background: rgba(226, 232, 240, 0.85); }

/* ═══════════════════════════════════════════════════════════════════
   📱 PWA (Progressive Web App) UI & 모바일 설치 컴포넌트
   ═══════════════════════════════════════════════════════════════════ */

/* ── 1. Navbar PWA 설치 버튼 ── */
.pwa-install-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 14px;
    border-radius: 20px;
    font-size: 0.88rem;
    font-weight: 600;
    color: #e0e7ff;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    font-family: inherit;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.1), 0 2px 8px rgba(0, 0, 0, 0.2);
}

.pwa-install-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.22);
    transform: translateY(-1px);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.18), 0 4px 14px rgba(0, 0, 0, 0.3);
}

.pwa-install-btn i {
    font-size: 0.95rem;
    color: #38bdf8;
}

/* ── 2. 모바일 하단 PWA 플로팅 배너 ── */
.pwa-floating-banner {
    position: fixed;
    bottom: calc(20px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 480px;
    background: rgba(18, 22, 32, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 18px;
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    z-index: 9999;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.15), 0 12px 36px rgba(0, 0, 0, 0.5);
    animation: pwaSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* 데스크탑(769px 이상) 환경에서는 하단 플로팅 배너 강제 숨김 (모바일 전용) */
@media (min-width: 769px) {
    .pwa-floating-banner {
        display: none !important;
    }
}

@keyframes pwaSlideUp {
    from {
        opacity: 0;
        transform: translate(-50%, 30px);
    }
    to {
        opacity: 1;
        transform: translate(-50%, 0);
    }
}

.pwa-banner-content {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
    min-width: 0;
}

.pwa-banner-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.pwa-banner-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.pwa-banner-text strong {
    font-size: 0.95rem;
    font-weight: 700;
    color: #f1f5f9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pwa-banner-text span {
    font-size: 0.78rem;
    color: #94a3b8;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pwa-banner-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.pwa-banner-install-btn {
    padding: 8px 14px;
    font-size: 0.85rem;
    font-weight: 700;
    border-radius: 10px;
    white-space: nowrap;
}

.pwa-banner-close-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s;
}

.pwa-banner-close-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

/* ── 3. iOS Safari 모달 가이드 ── */
.pwa-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 10000;
    animation: pwaFadeIn 0.25s ease;
}

@keyframes pwaFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.pwa-modal-card {
    background: rgba(18, 22, 32, 0.9);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 20px;
    width: 100%;
    max-width: 420px;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.15), 0 20px 50px rgba(0, 0, 0, 0.6);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pwa-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.pwa-modal-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    color: #f1f5f9;
}

.pwa-modal-icon {
    width: 28px;
    height: 28px;
    border-radius: 7px;
}

.pwa-modal-close {
    background: transparent;
    border: none;
    color: #94a3b8;
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
}

.pwa-modal-close:hover {
    color: #ffffff;
}

.pwa-modal-body {
    padding: 20px;
}

.pwa-modal-desc {
    font-size: 0.92rem;
    color: #94a3b8;
    line-height: 1.5;
    margin-bottom: 16px;
}

.pwa-ios-steps {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-left: 0;
    counter-reset: pwa-step;
}

.pwa-ios-steps li {
    counter-increment: pwa-step;
    position: relative;
    padding-left: 32px;
    font-size: 0.92rem;
    color: #e2e8f0;
    line-height: 1.5;
}

.pwa-ios-steps li::before {
    content: counter(pwa-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.25);
}

.pwa-ios-steps strong {
    color: #60a5fa;
}

.pwa-modal-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(15, 17, 24, 0.6);
}

.btn-block {
    width: 100%;
    text-align: center;
    justify-content: center;
}

/* ── 4. PWA Toast (초투명 Liquid Glass) ── */
.pwa-toast {
    position: fixed;
    top: calc(20px + env(safe-area-inset-top, 0px));
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(18, 22, 32, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 30px;
    padding: 10px 20px;
    color: #f1f5f9;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 10001;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.15), 0 10px 30px rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.pwa-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.pwa-toast-icon {
    color: #34d399;
    font-size: 1.1rem;
}

/* ── 5. Standalone 모드 스타일 (PWA 설치 후 실행 시) ── */
@media (display-mode: standalone) {
    body {
        padding-top: env(safe-area-inset-top, 0px);
        padding-bottom: env(safe-area-inset-bottom, 0px);
        user-select: none;
        -webkit-user-select: none;
    }

    .navbar {
        top: env(safe-area-inset-top, 0px);
    }

    .pwa-install-btn,
    .pwa-floating-banner {
        display: none !important;
    }
}

/* ── 6. PWA 라이트 테마 대응 ── */
[data-theme="light"] .pwa-install-btn {
    background: rgba(15, 23, 42, 0.06);
    border: 1px solid rgba(15, 23, 42, 0.12);
    color: #0f172a;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9), 0 1px 3px rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .pwa-install-btn:hover {
    background: rgba(15, 23, 42, 0.12);
    color: #0f172a !important;
    border-color: rgba(15, 23, 42, 0.2);
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 1), 0 4px 12px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .pwa-install-btn:hover * {
    color: #0f172a !important;
}

[data-theme="light"] .pwa-floating-banner {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: rgba(226, 232, 240, 0.9);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 12px 36px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .pwa-banner-text strong {
    color: #0f172a;
}

[data-theme="light"] .pwa-banner-text span {
    color: #64748b;
}

[data-theme="light"] .pwa-banner-close-btn {
    color: #64748b;
}

[data-theme="light"] .pwa-banner-close-btn:hover {
    color: #0f172a;
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .pwa-modal-card {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-color: rgba(226, 232, 240, 0.9);
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 20px 50px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .pwa-modal-header {
    border-bottom-color: rgba(226, 232, 240, 0.8);
}

[data-theme="light"] .pwa-modal-title {
    color: #0f172a;
}

[data-theme="light"] .pwa-modal-close {
    color: #64748b;
}

[data-theme="light"] .pwa-modal-close:hover {
    color: #0f172a;
}

[data-theme="light"] .pwa-modal-desc {
    color: #64748b;
}

[data-theme="light"] .pwa-ios-steps li {
    color: #334155;
}

[data-theme="light"] .pwa-ios-steps li::before {
    background: rgba(15, 23, 42, 0.08);
    border: 1px solid rgba(15, 23, 42, 0.12);
    color: #0f172a;
    box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .pwa-modal-footer {
    border-top-color: rgba(226, 232, 240, 0.8);
    background: rgba(248, 250, 252, 0.7);
}

[data-theme="light"] .pwa-toast {
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(20px);
    border-color: rgba(226, 232, 240, 0.9);
    color: #0f172a;
    box-shadow: inset 0 1px 1px 0 #ffffff, 0 10px 30px rgba(0, 0, 0, 0.08);
}

@media (max-width: 640px) {
    .pwa-btn-text {
        display: none;
    }
    .pwa-install-btn {
        padding: 8px 10px;
        border-radius: 50%;
    }
}