@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap');

:root {
    /* Premium Modern Palette - Warm Scrapbook Tone */
    --primary: #904951;           /* 뮤트 로즈 - 메인 브랜드 */
    --primary-vibrant: #b85c66;   /* 채도 낮춘 로즈 - hover accent (원색 금지) */
    --primary-soft: #d4a5a9;      /* 소프트 로즈 - 감정 태그용 */
    --on-primary: #ffffff;

    --secondary: #7a8b6e;         /* 웜 그린 - 자연/성장 */
    --on-secondary: #ffffff;
    
    --accent-warm: #c9a87c;       /* 웜 베이지 - 감정적 하이라이트 */
    --accent-rose: #e8c4c8;       /* 로즈 베이지 - 부드러운 강조 */
    
    --background: #fdfbf7;        /* 종이 질감 베이지 (완전 화이트 금지) */
    --on-background: #3e342f;     /* 다크 브라운 텍스트 (완전 블랙 금지) */
    --surface: #fdfbf7;
    --on-surface: #3e342f;
    --on-surface-variant: #6b5d54; /* 뮤트 브라운 - 보조 텍스트 */

    --surface-container-low: #f8f5f0;
    --surface-container: #f2efe9;
    --surface-container-lowest: #ffffff;
    
    --outline-variant: rgba(144, 73, 81, 0.12);
    --shadow-whisper: 0 12px 40px rgba(75, 64, 57, 0.06);

    --radius-default: 1rem;
    --radius-lg: 2rem;
    --radius-full: 9999px;
    
    /* Typography Constants */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Noto Sans KR', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--background);
    color: var(--on-surface);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, .headline {
    font-family: var(--font-heading);
    letter-spacing: -0.02em;
    font-weight: 800;
}

/* Background Effects */
.noise-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    opacity: 0.04;
    /* SVG 노이즈 패턴 - 외부 URL 의존성 제거 */
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    z-index: 9999;
}

.bokeh-bg {
    min-height: 100vh;
    background: linear-gradient(135deg, #c2938c 0%, #e8d5c4 35%, #f6f1e9 50%, #9da98f 100%);
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: cover;
}

/* Header Refinement */
.nav-bar {
    position: sticky;
    top: 0;
    width: 100%;
    background: rgba(251, 249, 245, 0.9);
    backdrop-filter: blur(20px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 48px;
    border-bottom: 1px solid var(--outline-variant);
}

.nav-bar .headline {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--on-surface);
    letter-spacing: -0.04em;
    cursor: pointer;
    margin: 0;
}

.nav-links {
    display: flex;
    gap: 8px;
}

.nav-links a {
    text-decoration: none;
    color: var(--on-surface);
    font-weight: 600;
    font-size: 13px;
    padding: 8px 16px;
    border-radius: 20px;
    opacity: 0.65;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.nav-links a:hover, .nav-links a.active {
    opacity: 1;
    color: var(--primary);
    background: rgba(144, 73, 81, 0.08);
}

.nav-links a.active {
    background: rgba(144, 73, 81, 0.12);
    font-weight: 700;
}

/* Main nav layout (replaces inline styles) */
.main-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.main-nav-panel {
    display: flex;
    align-items: center;
    gap: 20px;
}

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

/* Button Refinement */
.btn-round {
    padding: 12px 28px;
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 15px;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.btn-primary { 
    background: var(--primary); 
    color: white; 
    box-shadow: 0 4px 12px rgba(144, 73, 81, 0.2);
}
.btn-primary:hover { 
    background: var(--primary-vibrant);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(144, 73, 81, 0.3);
}

.btn-outline { 
    border: 1px solid var(--outline-variant); 
    background: white; 
    color: var(--on-surface); 
}
.btn-outline:hover {
    background: var(--surface-container-low);
}

/* Language Toggle - Compact Dropdown */
.lang-toggle {
    position: relative;
    display: inline-block;
}

.lang-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--on-surface-variant);
}

.lang-toggle-btn:hover {
    background: var(--surface-container-low);
    color: var(--primary);
}

.lang-toggle-btn .material-symbols-outlined {
    font-size: 18px;
}

.lang-menu-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0 16px !important;
    border-radius: 999px !important;
    border: 1px solid rgba(144, 73, 81, 0.12) !important;
    background: linear-gradient(180deg, rgba(255,255,255,0.94), rgba(248,245,240,0.92)) !important;
    color: var(--on-surface-variant);
    box-shadow: 0 8px 18px rgba(75, 64, 57, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.lang-menu-trigger:hover {
    transform: translateY(-1px);
    color: var(--primary);
    border-color: rgba(144, 73, 81, 0.2) !important;
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(250,246,242,0.96)) !important;
    box-shadow: 0 12px 24px rgba(75, 64, 57, 0.09);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    border: 1px solid var(--outline-variant);
    min-width: 90px;
    z-index: 1000;
    display: none;
    overflow: hidden;
    padding: 4px;
}

.lang-dropdown.show {
    display: block;
}

.lang-option {
    display: block;
    width: 100%;
    padding: 8px 16px;
    border: none;
    background: transparent;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--on-surface-variant);
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.15s ease;
}

.lang-option:hover {
    background: var(--surface-container-low);
    color: var(--on-surface);
}

.lang-option.active {
    background: rgba(144, 73, 81, 0.1);
    color: var(--primary);
}

/* User dropdown menu */
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-dropdown-trigger-icon {
    width: 46px;
    height: 46px;
    justify-content: center;
    padding: 0;
    border: 1px solid rgba(144, 73, 81, 0.14);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(248,245,240,0.96));
    box-shadow: 0 8px 20px rgba(75, 64, 57, 0.08);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.user-dropdown-trigger-icon:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(75, 64, 57, 0.12);
    border-color: rgba(144, 73, 81, 0.24);
}

.user-avatar-shell {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(144, 73, 81, 0.14), rgba(122, 139, 110, 0.18));
    color: var(--primary);
}

.user-avatar-shell .material-symbols-outlined {
    font-size: 22px;
    font-variation-settings: 'FILL' 1;
}

.user-avatar-fallback {
    color: var(--primary);
    font-size: 22px;
    font-variation-settings: 'FILL' 1;
}

.user-avatar-initial {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 15px;
    color: var(--primary);
    line-height: 1;
}

.user-avatar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    border: 1px solid var(--outline-variant);
    min-width: 200px;
    z-index: 1000;
    display: none;
    overflow: hidden;
}

.user-dropdown-menu.show {
    display: block;
}

.user-dropdown-meta {
    padding: 14px 20px 10px;
    color: var(--on-surface-variant);
    font-size: 12px;
    font-weight: 600;
    border-bottom: 1px solid var(--outline-variant);
    background: linear-gradient(180deg, rgba(242, 239, 233, 0.65), rgba(255, 255, 255, 0.85));
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--on-surface);
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    width: 100%;
    text-align: left;
    border: none;
    background: none;
}

.user-dropdown-item:hover:not(:disabled) {
    background: var(--surface-container-low);
}

.user-dropdown-item .material-symbols-outlined {
    font-size: 18px;
    color: var(--on-surface-variant);
}

.dropdown-divider {
    height: 1px;
    background: var(--outline-variant);
    margin: 4px 0;
}

/* Page-specific responsive overrides */

/* Detail page */
@media (max-width: 1024px) {
    .detail-layout {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 24px;
    }

    .diary-section {
        margin-top: 0;
    }

    .connected-section {
        margin-top: 40px;
    }

    .diary-container {
        padding: 40px;
    }
}

@media (max-width: 768px) {
    .detail-layout {
        padding: 24px 16px;
        gap: 32px;
    }

    .video-main {
        border-radius: 1.5rem;
        margin-bottom: 24px;
    }

    .diary-container {
        padding: 32px 24px;
        border-radius: 2rem;
    }

    #memoryTitle {
        font-size: 2.2rem !important;
        line-height: 1.2;
    }

    .moment-card {
        padding: 16px;
    }

    .moment-card img {
        width: 60px !important;
        height: 60px !important;
    }
}

/* Search page */
@media (max-width: 1024px) {
    .search-container {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px 24px;
    }

    .preview-sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    .search-container {
        padding: 24px 16px;
        gap: 32px;
    }

    .search-input {
        font-size: 1rem;
        padding: 20px 20px 20px 56px;
    }

    .result-card {
        padding: 16px;
        gap: 16px;
    }

    .thumbnail-wrapper {
        width: 120px;
        height: 90px;
        flex-shrink: 0;
    }

    .preview-sidebar {
        padding: 24px;
        border-radius: 1.5rem;
    }

    .video-container {
        border-radius: 1rem;
    }
}

/* Mobile optimizations */
@media (max-width: 480px) {
    .thumbnail-wrapper {
        width: 100px;
        height: 75px;
    }

    .result-card h3 {
        font-size: 1.1rem !important;
    }

    .tag-chip {
        font-size: 11px;
        padding: 6px 12px;
    }
}

/* Mobile nav toggle button */
.mobile-nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid rgba(144, 73, 81, 0.14);
    background: rgba(255,255,255,0.9);
    color: var(--on-surface);
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.mobile-nav-toggle .material-symbols-outlined {
    font-size: 20px;
}

/* Mobile-first responsive overrides */
@media (max-width: 768px) {
    .nav-bar {
        padding: 14px 16px;
        gap: 12px;
    }

    .nav-bar .headline {
        font-size: 1.85rem;
    }

    .mobile-nav-toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .main-nav {
        margin-left: 0;
    }

    .main-nav-panel {
        display: none;
        position: absolute;
        top: calc(100% + 10px);
        right: 16px;
        left: 16px;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        padding: 16px;
        background: rgba(255, 255, 255, 0.97);
        border: 1px solid var(--outline-variant);
        border-radius: 20px;
        box-shadow: 0 16px 40px rgba(75, 64, 57, 0.12);
        backdrop-filter: blur(18px);
    }

    .main-nav-panel.show {
        display: flex;
    }

    .nav-links {
        width: 100%;
        flex-direction: column;
        gap: 6px;
    }

    .nav-links a {
        display: block;
        width: 100%;
        padding: 12px 14px;
        font-size: 14px;
        border-radius: 14px;
    }

    .nav-actions {
        width: 100%;
        justify-content: space-between;
        gap: 12px;
        padding-top: 8px;
        border-top: 1px solid var(--outline-variant);
    }

    .btn-round {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .nav-bar {
        padding: 12px 14px;
    }

    .nav-bar .headline {
        font-size: 1.7rem;
    }

    .main-nav-panel {
        left: 12px;
        right: 12px;
        top: calc(100% + 8px);
        padding: 14px;
    }

    .nav-actions {
        align-items: center;
    }

    .user-dropdown-trigger-icon {
        width: 42px;
        height: 42px;
    }

    .user-avatar-shell {
        width: 32px;
        height: 32px;
    }

    .lang-menu-trigger {
        padding: 0 14px !important;
        font-size: 12px !important;
    }
}

/* Animations */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Auth nav loading state - smooth transition */
#auth-nav, #auth-nav-container {
  transition: opacity 0.2s ease;
}

/* Material Symbols font loading: hide icons until font loads to prevent FOUC */
/* 범위를 헤더/언어/프로필 영역으로 제한 */
.nav-bar .material-symbols-outlined,
.lang-toggle-btn .material-symbols-outlined,
.user-avatar-shell .material-symbols-outlined,
.user-dropdown-menu .material-symbols-outlined,
#auth-nav .material-symbols-outlined {
  opacity: 0;
  transition: opacity 0.25s ease;
}

/* When fonts are ready, show icons */
.ms-fonts-loaded .nav-bar .material-symbols-outlined,
.ms-fonts-loaded .lang-toggle-btn .material-symbols-outlined,
.ms-fonts-loaded .user-avatar-shell .material-symbols-outlined,
.ms-fonts-loaded .user-dropdown-menu .material-symbols-outlined,
.ms-fonts-loaded #auth-nav .material-symbols-outlined,
.material-symbols-outlined.ms-ready {
  opacity: 1;
}

/* ─────────────────────────────────────────────────────────────
   감상 공간 톤 - Browse/Detail 공통 스타일
   ───────────────────────────────────────────────────────────── */

/* 감정 경로 강조 */
.emotion-path-highlight {
    background: linear-gradient(135deg, var(--primary-container) 0%, var(--surface-container) 100%);
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    margin: 12px 0;
}

/* 감상 유도 CTA 버튼 */
.cta-appreciation {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border-radius: 99px;
    font-weight: 700;
    font-size: 14px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

.cta-appreciation:hover {
    background: var(--primary-vibrant);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(144, 73, 81, 0.25);
}

/* 카드 호버 효과 - 감상 느낌 강화 */
.card-appreciation {
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.card-appreciation:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 60px rgba(144, 73, 81, 0.12);
}

/* 감정 태그 스타일링 */
.emotion-tag-refined {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: var(--primary-container);
    color: var(--on-primary-container);
    border-radius: 99px;
    font-size: 13px;
    font-weight: 700;
    border: 1px solid var(--outline-variant);
    transition: all 0.2s ease;
}

.emotion-tag-refined:hover {
    background: var(--primary-soft);
    transform: scale(1.05);
}

/* 순간(Moment) 인디케이터 */
.moment-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: var(--surface-container);
    border-radius: 99px;
    font-size: 12px;
    color: var(--on-surface-variant);
    font-weight: 600;
}

.moment-indicator::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
}

/* 감상 경로 화살표 */
.path-arrow-refined {
    color: var(--primary-soft);
    opacity: 0.6;
    font-size: 20px;
    transition: all 0.3s ease;
}

/* 섹션 구분선 - 부드러운 그라데이션 */
.section-divider-soft {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--outline-variant), transparent);
    margin: 24px 0;
}

/* 인사이트/안내 텍스트 */
.insight-text {
    font-size: 14px;
    color: var(--on-surface-variant);
    font-style: italic;
    line-height: 1.6;
    padding-left: 16px;
    border-left: 3px solid var(--primary-soft);
}

/* 감상 중임을 나타내는 배경 톤 */
.appreciation-bg {
    background: linear-gradient(180deg, var(--background) 0%, var(--surface-container-low) 100%);
}

/* Save status indicator (Editor UX hardening) */
.save-status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--on-surface-variant);
  padding: 4px 8px;
  border-radius: 99px;
  background: var(--surface-container-low);
  transition: all 0.2s ease;
}

.save-status-indicator.saving {
  color: var(--primary);
  background: rgba(144, 73, 81, 0.08);
}

.save-status-indicator.saved {
  color: var(--secondary);
  background: rgba(122, 139, 110, 0.08);
}

.save-status-indicator.failed {
  color: #c62828;
  background: rgba(198, 40, 40, 0.08);
}

.save-status-indicator .material-symbols-outlined {
  font-size: 14px;
}

.save-status-indicator .last-saved-time {
  font-weight: 500;
}

/* Material Symbols fallback text guard
   폰트가 준비되기 전에는 raw icon name(search, tag 등)을 숨긴다. */
.material-symbols-outlined {
  opacity: 0;
  transition: opacity 0.15s ease;
}

html.material-symbols-ready .material-symbols-outlined {
  opacity: 1;
}