/* ═══════════════════════════════════════════════
   Design inspired by Winter Gallery Template
   Adapted for personal photo album + diary
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Montserrat:wght@300;400;500;600&display=swap');

/* ── Design Tokens ─────────────────────── */
:root {
    --snow: #fafbfc;
    --ice: #e8f4f8;
    --frost: #d4e9f2;
    --blue: #7ba8bd;
    --blue-dark: #5d8fa3;
    --slate: #4a5f6d;
    --charcoal: #2c3e50;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(44,62,80,0.08);
    --shadow-lg: 0 12px 40px rgba(44,62,80,0.12);
    --radius: 6px;
    --radius-lg: 12px;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', -apple-system, sans-serif;
    --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ── Reset & Base ──────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    font-weight: 300;
    background: linear-gradient(135deg, var(--snow) 0%, var(--ice) 50%, var(--snow) 100%);
    color: var(--charcoal);
    line-height: 1.7;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ── Navigation ────────────────────────── */
nav {
    position: sticky; top: 0; z-index: 100;
    background: rgba(250,251,252,0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(123,168,189,0.15);
    padding: 0 2rem;
}
.nav-container {
    max-width: 1300px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
}
.logo {
    display: flex; align-items: center; gap: 0.6rem;
    font-family: var(--font-serif);
    font-size: 1.45rem; font-weight: 600;
    color: var(--charcoal); letter-spacing: -0.5px;
}
.logo-icon {
    width: 28px; height: 28px;
    color: var(--blue);
}
.nav-links {
    display: flex; align-items: center; gap: 0.25rem;
    list-style: none;
}
.nav-links a {
    padding: 0.4rem 1rem; border-radius: 2rem;
    font-size: 0.82rem; font-weight: 500; letter-spacing: 0.3px;
    color: var(--slate); text-transform: uppercase;
    transition: all 0.25s;
}
.nav-links a:hover { color: var(--blue); background: rgba(123,168,189,0.08); }
.nav-links a.active { color: var(--blue); background: rgba(123,168,189,0.12); }
.nav-user {
    font-size: 0.78rem;
    padding: 0.3rem 0.8rem;
    background: rgba(123,168,189,0.1);
    border-radius: 2rem; color: var(--slate);
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    background: none; border: none; font-size: 1.5rem;
    color: var(--slate); padding: 0.3rem;
}

/* ── Hero ──────────────────────────────── */
.hero {
    padding: 2.5rem 2rem; text-align: center;
    background: linear-gradient(180deg, var(--ice) 0%, var(--snow) 100%);
}
.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 600; color: var(--charcoal);
    letter-spacing: -1px; margin-bottom: 0.8rem;
}
.hero p {
    font-size: 1rem; font-weight: 300; color: var(--slate);
    max-width: 500px; margin: 0 auto; letter-spacing: 0.3px;
}

/* ── Main Content Area ─────────────────── */
.main, .main-wide {
    flex: 1; width: 100%;
    max-width: 1300px; margin: 0 auto;
    padding: 2rem;
}

/* ── Tab Bar ───────────────────────────── */
.tab-bar {
    display: flex; justify-content: center; gap: 0;
    margin-bottom: 2rem;
}
.tab-btn {
    padding: 0.55rem 1.8rem; font-size: 0.82rem;
    font-weight: 500; text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--slate); background: var(--white);
    border: 1px solid rgba(123,168,189,0.2);
    transition: all 0.3s;
}
.tab-btn:first-child { border-radius: 2rem 0 0 2rem; }
.tab-btn:last-child { border-radius: 0 2rem 2rem 0; }
.tab-btn:hover { background: var(--ice); color: var(--blue); }
.tab-btn.active {
    background: var(--blue); color: var(--white);
    border-color: var(--blue);
}

/* ── Album Grid ────────────────────────── */
.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem; margin-bottom: 3rem;
}

/* Album card wrapper (for delete button positioning) */
.album-card-wrapper {
    position: relative;
}
.album-delete-btn {
    position: absolute; top: 8px; right: 8px; z-index: 5;
}
.album-delete-btn button {
    width: 26px; height: 26px; border-radius: 50%;
    background: rgba(0,0,0,0.35); color: #fff; border: none;
    font-size: 1rem; line-height: 1; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
}
.album-delete-btn button:hover { background: rgba(220,50,50,0.8); }

/* Simple album card - single cover image */
.album-card-full {
    display: block; border-radius: var(--radius-lg);
    overflow: hidden; background: var(--white);
    box-shadow: var(--shadow); text-decoration: none;
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
}
.album-card-full:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.album-card-full .cover-img {
    width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block;
}
.album-card-full .cover-placeholder {
    width: 100%; aspect-ratio: 4/3;
    background: var(--ice);
    display: flex; align-items: center; justify-content: center;
    font-size: 3rem; opacity: 0.4;
}
.album-card-full .card-label {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 1rem 1.2rem;
    background: linear-gradient(to top, rgba(0,0,0,0.55) 0%, transparent 100%);
    color: #fff; z-index: 2;
}
.album-card-full .card-label h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem; font-weight: 600;
}
.album-card-full .card-label span {
    font-size: 0.72rem; opacity: 0.85;
    text-transform: uppercase; letter-spacing: 0.5px;
}

/* Add album card */
.album-add-card {
    border: 2px dashed rgba(123,168,189,0.3);
    display: flex; align-items: center; justify-content: center;
    aspect-ratio: 4/3; cursor: pointer; background: none;
    box-shadow: none; text-align: center; color: var(--slate);
    font-size: 0.9rem; font-weight: 400; transition: all 0.3s;
    border-radius: var(--radius-lg); min-height: 100%;
}
.album-add-card:hover {
    border-color: var(--blue); color: var(--blue);
    background: rgba(123,168,189,0.03); box-shadow: none; transform: none;
}

/* ── Featured Showcase Carousel ────────── */
.showcase {
    position: relative;
    width: 100%; max-width: 1100px;
    margin: 0 auto 3rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 16/7;
    background: var(--charcoal);
}
.showcase-slide {
    position: absolute; inset: 0;
    opacity: 0; transition: opacity 1.2s ease;
    pointer-events: none;
    z-index: 0;
}
.showcase-slide.active {
    opacity: 1;
    pointer-events: auto;
    z-index: 1;
}
.showcase-slide:hover { cursor: pointer; }
.showcase-slide img {
    width: 100%; height: 100%; object-fit: cover;
}
.showcase-info {
    position: absolute; bottom: 0; left: 0; right: 0;
    padding: 2rem 2.5rem;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
    color: #fff; z-index: 2; pointer-events: none;
}
.showcase-info h2 {
    font-family: var(--font-serif);
    font-size: 1.6rem; font-weight: 600; margin-bottom: 0.3rem;
}
.showcase-info span {
    font-size: 0.8rem; opacity: 0.75;
    text-transform: uppercase; letter-spacing: 1px;
}
.showcase-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    z-index: 3; width: 44px; height: 44px; border-radius: 50%;
    background: rgba(255,255,255,0.12); border: none; color: #fff;
    font-size: 1.4rem; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s;
}
.showcase-nav:hover { background: rgba(255,255,255,0.25); }
.showcase-nav.prev { left: 1rem; }
.showcase-nav.next { right: 1rem; }
.showcase-dots {
    position: absolute; bottom: 1rem; right: 1.5rem;
    z-index: 3; display: flex; gap: 0.4rem;
}
.showcase-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,0.4); border: none; cursor: pointer;
    transition: background 0.2s; padding: 0;
}
.showcase-dot.active { background: #fff; }

@media (max-width: 768px) {
    .showcase { aspect-ratio: 16/9; border-radius: var(--radius); }
    .showcase-info { padding: 1.2rem; }
    .showcase-info h2 { font-size: 1.1rem; }
    .showcase-nav { width: 34px; height: 34px; }
    .showcase-nav.prev { left: 0.5rem; }
    .showcase-nav.next { right: 0.5rem; }
}

/* ── Filter Buttons ────────────────────── */
.filter-container {
    display: flex; align-items: center; justify-content: center;
    flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2.5rem;
}
.filter-btn {
    padding: 0.45rem 1.2rem; border-radius: 2rem;
    font-size: 0.78rem; font-weight: 500; letter-spacing: 0.3px;
    color: var(--slate); background: var(--white);
    border: 1px solid rgba(123,168,189,0.2);
    text-transform: uppercase; transition: all var(--transition);
}
.filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.filter-btn.active {
    background: var(--blue); color: var(--white); border-color: var(--blue);
}
.filter-add-btn {
    padding: 0.45rem 0.8rem; border-radius: 2rem;
    font-size: 0.85rem; color: var(--slate);
    background: none; border: 1px dashed rgba(123,168,189,0.3);
    margin-left: 0.3rem; transition: all 0.25s;
}
.filter-add-btn:hover { border-color: var(--blue); color: var(--blue); }

/* ── Gallery Grid ──────────────────────── */
.gallery-container {
    margin-bottom: 2.5rem;
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.gallery-item {
    position: relative; border-radius: var(--radius-lg);
    overflow: hidden; cursor: pointer;
    background: var(--ice);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
}
.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
/* Tall variant for masonry feel */
.gallery-item.tall { grid-row: span 2; }
.gallery-item img {
    width: 100%; height: 100%;
    object-fit: cover; aspect-ratio: 4/3;
    transition: transform 0.6s ease;
}
.gallery-item.tall img { aspect-ratio: 3/4; }
.gallery-item:hover img { transform: scale(1.08); }

.gallery-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(44,62,80,0.7) 0%, transparent 60%);
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 1.5rem; opacity: 0;
    transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-title {
    font-family: var(--font-serif);
    font-size: 1.3rem; font-weight: 600;
    color: var(--white); margin-bottom: 0.2rem;
}
.gallery-category {
    font-size: 0.72rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 1px;
    color: rgba(255,255,255,0.85);
}

/* ── Lightbox ──────────────────────────── */
.lightbox {
    position: fixed; inset: 0; z-index: 999;
    background: rgba(28,38,48,0.95);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity 0.4s ease, visibility 0.4s;
}
.lightbox.open { opacity: 1; visibility: visible; pointer-events: auto; }
.lightbox-close {
    position: absolute; top: 1.5rem; right: 1.5rem;
    width: 44px; height: 44px; border-radius: 50%;
    background: rgba(255,255,255,0.08); border: none; color: #fff;
    font-size: 1.6rem; display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: background 0.25s; z-index: 10;
}
.lightbox-close:hover { background: rgba(255,255,255,0.18); }
.lightbox-nav {
    position: absolute; top: 50%; transform: translateY(-50%);
    width: 52px; height: 52px; border-radius: 50%;
    background: rgba(255,255,255,0.07); border: none;
    color: #fff; font-size: 1.8rem; font-weight: 300;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: background 0.25s; z-index: 10;
}
.lightbox-nav:hover { background: rgba(255,255,255,0.16); }
.lightbox-nav.prev { left: 1.5rem; }
.lightbox-nav.next { right: 1.5rem; }
.lightbox-toolbar {
    position: absolute; top: 1.5rem; left: 50%; transform: translateX(-50%);
    z-index: 10; display: flex; gap: 0.35rem;
    padding: 0.25rem; border-radius: 2rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.14);
}
.lightbox-toolbar button {
    min-width: 38px; height: 34px; border-radius: 2rem;
    border: none; background: rgba(255,255,255,0.1);
    color: #fff; cursor: pointer; font-weight: 600;
}
.lightbox-toolbar button:hover { background: rgba(255,255,255,0.2); }
.lightbox-content {
    max-width: 90vw; max-height: 88vh;
    display: flex; flex-direction: column; align-items: center;
    overflow: hidden;
}
.lightbox-content img {
    max-width: 100%; max-height: 75vh;
    object-fit: contain; border-radius: 4px;
    cursor: zoom-in;
    touch-action: none;
    transition: opacity 0.18s ease, transform 0.12s ease;
    transform-origin: center center;
}
.lightbox-content img.is-loading { opacity: 0; }
.lightbox-content img.is-zoomed { cursor: grab; }
.lightbox-info {
    text-align: center; margin-top: 1rem;
}
.lightbox-info h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem; font-weight: 500;
    color: #fff;
}
.lightbox-info p {
    font-size: 0.75rem; text-transform: uppercase;
    letter-spacing: 1px; color: rgba(255,255,255,0.6);
    margin-top: 0.2rem;
}
.lightbox-actions {
    display: flex; gap: 0.5rem; margin-top: 1rem;
}
.lightbox-actions a {
    padding: 0.4rem 1rem; border-radius: 2rem;
    font-size: 0.78rem; font-weight: 500;
    color: #fff; background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.25s;
}
.lightbox-actions a:hover { background: rgba(255,255,255,0.2); }

/* ── Buttons ───────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.5rem 1.2rem; border-radius: 2rem;
    font-size: 0.82rem; font-weight: 500; letter-spacing: 0.3px;
    border: none; background: var(--white);
    color: var(--slate);
    border: 1px solid rgba(123,168,189,0.25);
    transition: all var(--transition);
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn-primary {
    background: var(--blue); color: var(--white); border-color: var(--blue);
}
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); }
.btn-danger { background: #e8a0a0; color: #fff; border-color: #e8a0a0; }
.btn-danger:hover { background: #d98080; }
.btn-sm { padding: 0.3rem 0.8rem; font-size: 0.75rem; }
.btn-lg { padding: 0.65rem 1.6rem; font-size: 0.9rem; }

/* ── Photo Detail ──────────────────────── */
.photo-detail { max-width: 960px; margin: 0 auto; }
.photo-nav {
    display: flex; justify-content: space-between; margin-bottom: 1rem;
}
.photo-view {
    background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow);
}
.photo-view img {
    max-height: 65vh; object-fit: contain; margin: 0 auto;
    cursor: zoom-in;
}
.photo-info-bar {
    display: flex; align-items: center; flex-wrap: wrap;
    gap: 1rem; padding: 1.2rem 1.8rem;
}
.photo-info-bar h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem; font-weight: 600; flex: 1;
}
.photo-meta {
    display: flex; align-items: center; gap: 0.8rem;
    font-size: 0.82rem; color: var(--slate);
}
.photo-cat-tag {
    padding: 0.2rem 0.7rem; border-radius: 1rem;
    font-size: 0.72rem; font-weight: 500;
    text-transform: uppercase; letter-spacing: 0.5px;
    background: rgba(123,168,189,0.12); color: var(--blue);
}

/* ── Comments ──────────────────────────── */
.comments-block {
    max-width: 960px; margin: 2rem auto;
    background: var(--white); border-radius: var(--radius-lg);
    padding: 1.8rem; box-shadow: var(--shadow);
}
.comments-block h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem; font-weight: 600; margin-bottom: 1.2rem;
}
.comment {
    padding: 0.75rem 0; border-bottom: 1px solid rgba(123,168,189,0.1);
}
.comment:last-child { border-bottom: none; }
.comment .c-time { font-size: 0.75rem; color: var(--blue); font-weight: 400; }
.comment .c-body { margin-top: 0.3rem; white-space: pre-wrap; font-weight: 300; }
.comment-form { margin-top: 1.2rem; }
.comment-form textarea {
    width: 100%; padding: 0.8rem; border: 1px solid rgba(123,168,189,0.2);
    border-radius: var(--radius); resize: vertical; min-height: 80px;
    background: var(--snow); font-size: 0.88rem; font-weight: 300;
    font-family: var(--font-sans);
}
.comment-form textarea:focus { outline: none; border-color: var(--blue); }

/* ── Diary List ────────────────────────── */
.diary-list {
    display: flex; flex-direction: column; gap: 1rem;
    max-width: 800px; margin: 0 auto;
}
.diary-card {
    display: block; background: var(--white);
    border-radius: var(--radius-lg); padding: 1.5rem 1.8rem;
    box-shadow: var(--shadow); border: 1px solid transparent;
    transition: all var(--transition);
}
.diary-card:hover {
    box-shadow: var(--shadow-lg); border-color: rgba(123,168,189,0.2);
    transform: translateY(-2px);
}
.diary-card .d-head {
    display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.6rem;
}
.diary-card .d-mood { font-size: 1.8rem; }
.diary-card .d-title {
    font-family: var(--font-serif);
    font-size: 1.3rem; font-weight: 600; flex: 1;
}
.diary-card .d-date {
    font-size: 0.78rem; color: var(--blue); font-weight: 400;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.diary-card .d-preview {
    font-size: 0.9rem; font-weight: 300; color: var(--slate);
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
    overflow: hidden; margin-left: 2.6rem; line-height: 1.7;
}
.diary-card .d-meta {
    margin-left: 2.6rem; margin-top: 0.5rem;
    font-size: 0.75rem; color: var(--blue);
    display: flex; gap: 1rem;
}

/* ── Diary Detail ──────────────────────── */
.diary-detail { max-width: 800px; margin: 0 auto; }
.diary-article {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 3rem; box-shadow: var(--shadow);
}
.art-header {
    text-align: center; margin-bottom: 2.5rem;
    padding-bottom: 2rem; border-bottom: 1px solid rgba(123,168,189,0.15);
}
.art-mood { font-size: 3.5rem; display: block; }
.art-title {
    font-family: var(--font-serif);
    font-size: 2.2rem; font-weight: 600; margin: 0.6rem 0;
    letter-spacing: -0.5px;
}
.art-date { font-size: 0.85rem; color: var(--blue); font-weight: 400; }
.art-body {
    font-family: var(--font-serif);
    font-size: 1.1rem; line-height: 2; font-weight: 400;
}
.art-body h1, .art-body h2, .art-body h3 {
    font-family: var(--font-sans); font-weight: 500;
    margin-top: 1.8em; margin-bottom: 0.5em; color: var(--charcoal);
}
.art-body p { margin-bottom: 0.8em; }
.art-body img { border-radius: var(--radius); margin: 1.2rem 0; }
.art-body code {
    background: rgba(123,168,189,0.1); padding: 0.15em 0.4em;
    border-radius: 3px; font-size: 0.9em; font-family: 'Courier New', monospace;
}
.art-body pre {
    background: var(--charcoal); color: var(--ice); padding: 1.2rem;
    border-radius: var(--radius); overflow-x: auto; font-size: 0.9em;
}
.art-body pre code { background: none; padding: 0; }

/* ── Diary Image Gallery ────────────────── */
.diary-gallery {
    margin: 2rem 0;
}
.diary-gallery h3 {
    font-family: var(--font-serif);
    font-size: 1.2rem; font-weight: 600;
    margin-bottom: 1rem; color: var(--charcoal);
}
.diary-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.8rem;
}
.diary-gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--ice);
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}
.diary-gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.diary-gallery-item img {
    width: 100%; aspect-ratio: 4/3;
    object-fit: cover; display: block;
}
.diary-gallery-item .gallery-item-actions {
    position: absolute; top: 6px; right: 6px;
    display: flex; gap: 4px; opacity: 0;
    transition: opacity 0.2s;
}
.diary-gallery-item:hover .gallery-item-actions {
    opacity: 1;
}
.diary-gallery-item .gallery-item-actions a,
.diary-gallery-item .gallery-item-actions button {
    padding: 4px 8px; border-radius: 4px;
    font-size: 0.7rem; border: none; cursor: pointer;
    color: #fff; text-decoration: none;
    background: rgba(0,0,0,0.5);
    transition: background 0.2s;
}
.diary-gallery-item .gallery-item-actions a:hover,
.diary-gallery-item .gallery-item-actions button:hover {
    background: rgba(0,0,0,0.7);
}

/* ── Photo Picker Modal ─────────────────── */
.photo-picker-modal {
    display: none;
    position: fixed; inset: 0; z-index: 300;
    background: rgba(0,0,0,0.7);
    align-items: center; justify-content: center;
}
.photo-picker-modal.open {
    display: flex;
}
.photo-picker-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1.5rem; max-width: 700px; width: 90vw;
    max-height: 80vh; overflow-y: auto;
}
.photo-picker-content h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem; margin-bottom: 1rem;
}
.photo-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
}
.photo-picker-item {
    cursor: pointer; border-radius: var(--radius);
    overflow: hidden; border: 2px solid transparent;
    transition: border-color 0.2s;
    background: var(--snow); padding: 0; text-align: left;
}
.photo-picker-item:hover,
.photo-picker-item.selected {
    border-color: var(--blue);
}
.photo-picker-item img {
    width: 100%; aspect-ratio: 1;
    object-fit: cover; display: block;
}
.photo-picker-item span {
    display: block; padding: 0.35rem 0.45rem;
    font-size: 0.72rem; color: var(--charcoal);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.editor-tools {
    display: flex; gap: 0.5rem; flex-wrap: wrap;
    margin-bottom: 0.55rem;
}
.diary-actions {
    display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center;
    margin: 1.2rem 0;
}
.like-btn.liked {
    background: rgba(123,168,189,0.14);
    border-color: rgba(123,168,189,0.35);
}

/* ── Login ─────────────────────────────── */
.login-wrap {
    display: flex; align-items: center; justify-content: center;
    min-height: 55vh;
}
.login-card {
    width: 100%; max-width: 400px;
    background: var(--white); border-radius: var(--radius-lg);
    padding: 2.5rem; box-shadow: var(--shadow-lg); text-align: center;
}
.login-card h2 {
    font-family: var(--font-serif);
    font-size: 1.8rem; font-weight: 600; margin-bottom: 1.2rem;
}
.login-card label {
    display: block; text-align: left; font-size: 0.78rem;
    font-weight: 500; color: var(--slate);
    text-transform: uppercase; letter-spacing: 0.5px;
    margin-bottom: 0.3rem;
}
.login-card input {
    width: 100%; padding: 0.65rem 0.9rem; margin-bottom: 1rem;
    border: 1px solid rgba(123,168,189,0.2); border-radius: var(--radius);
    background: var(--snow); font-size: 0.9rem; font-weight: 300;
}
.login-card input:focus { outline: none; border-color: var(--blue); }

/* ── Forms (upload, diary edit) ────────── */
.form-wrap { max-width: 640px; margin: 0 auto; }
.form-wrap h2 {
    font-family: var(--font-serif);
    font-size: 1.8rem; font-weight: 600; margin-bottom: 1.5rem;
}
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block; font-size: 0.8rem; font-weight: 500;
    color: var(--slate); text-transform: uppercase;
    letter-spacing: 0.5px; margin-bottom: 0.3rem;
}
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 0.65rem 0.9rem;
    border: 1px solid rgba(123,168,189,0.2); border-radius: var(--radius);
    background: var(--white); font-size: 0.9rem; font-weight: 300;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none; border-color: var(--blue);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-group input[type="file"] {
    padding: 1.5rem; border: 2px dashed rgba(123,168,189,0.3);
    text-align: center; background: var(--snow); cursor: pointer;
}
.form-group input[type="file"]:hover { border-color: var(--blue); }

/* Mood picker */
.mood-picker {
    display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.5rem;
}
.mood-picker label { cursor: pointer; }
.mood-picker input[type="radio"] { display: none; }
.mood-picker input:checked + .mood-emj {
    background: var(--blue); border-color: var(--blue);
    transform: scale(1.15);
}
.mood-emj {
    display: inline-block; font-size: 1.5rem; padding: 0.3rem 0.5rem;
    border: 2px solid rgba(123,168,189,0.25); border-radius: 10px;
    transition: all 0.2s;
}
.mood-emj:hover { border-color: var(--blue); transform: scale(1.1); }

/* Preview grid */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem; margin-top: 0.8rem;
}
.preview-item img {
    width: 100%; aspect-ratio: 1; object-fit: cover;
    border-radius: var(--radius);
}
.preview-item span {
    font-size: 0.68rem; display: block; text-align: center;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    margin-top: 0.2rem; color: var(--slate);
}

/* ── Pagination ────────────────────────── */
.pagination {
    display: flex; justify-content: center; align-items: center;
    gap: 1rem; margin-top: 2rem;
}
.pg-info { font-size: 0.85rem; color: var(--slate); font-weight: 400; }

/* ── Empty State ───────────────────────── */
.empty-state {
    text-align: center; padding: 4rem 1rem;
}
.empty-icon { font-size: 3rem; display: block; margin-bottom: 1rem; }
.empty-state p { color: var(--slate); font-size: 1rem; font-weight: 300; }

/* ── Toast ─────────────────────────────── */
.toast-container {
    position: fixed; top: 84px; right: 1.5rem; z-index: 200;
    display: flex; flex-direction: column; gap: 0.5rem;
}
.toast {
    padding: 0.7rem 1.2rem; border-radius: var(--radius);
    font-size: 0.82rem; font-weight: 400;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.35s ease; max-width: 360px;
}
.toast-success { background: #e3f0e8; color: #2e5d3a; border: 1px solid #c5ddd0; }
.toast-error { background: #f5e5e5; color: #8b3a3a; border: 1px solid #e8cccc; }

@keyframes slideIn {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ── Footer ────────────────────────────── */
footer {
    text-align: center; padding: 2rem;
    color: var(--slate); font-size: 0.8rem; font-weight: 300;
    border-top: 1px solid rgba(123,168,189,0.12);
    margin-top: auto;
}

/* Admin badge */
.nav-admin {
    background: rgba(180,130,100,0.15) !important;
    color: #a07050 !important;
}

/* ── Responsive ────────────────────────── */
@media (max-width: 900px) {
    .main, .main-wide { padding: 1.2rem 1rem; }
    nav { padding: 0 1rem; }
    .hero { padding: 2rem 1rem; }
    .hero h1 { font-size: 1.5rem; }
    .hero p { font-size: 0.85rem; }
    .album-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.8rem; }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 0.6rem; }
    .diary-article { padding: 1.2rem; }
    .art-title { font-size: 1.3rem; }
    .lightbox-nav { width: 36px; height: 36px; font-size: 1.2rem; }
    .lightbox-nav.prev { left: 0.3rem; }
    .lightbox-nav.next { right: 0.3rem; }
    .lightbox-close { top: 0.8rem; right: 0.8rem; width: 36px; height: 36px; }
    .lightbox-toolbar { top: 0.8rem; }
    .lightbox-toolbar button { min-width: 34px; height: 30px; font-size: 0.78rem; }
    .photo-info-bar { padding: 0.8rem 1rem; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
    .photo-info-bar h2 { font-size: 1.1rem; }
    .filter-container { gap: 0.3rem; margin-bottom: 1.5rem; }
    .tab-bar { margin-bottom: 1.2rem; }
    .comments-block { padding: 1rem; }
    .form-wrap { padding: 0 0.5rem; }
    .album-card-full .card-label { padding: 0.7rem 0.8rem; }
    .album-card-full .card-label h3 { font-size: 0.95rem; }
}

@media (max-width: 600px) {
    /* Mobile nav */
    .mobile-menu-btn { display: block; }
    .nav-links {
        display: none;
        position: fixed; top: 56px; left: 0; right: 0;
        flex-direction: column;
        background: rgba(250,251,252,0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        padding: 0.8rem; gap: 0;
        border-bottom: 1px solid rgba(123,168,189,0.15);
        box-shadow: 0 12px 32px rgba(0,0,0,0.1);
        z-index: 99; max-height: 80vh; overflow-y: auto;
    }
    .nav-links.show { display: flex; }
    .nav-links a {
        padding: 0.7rem 1rem; width: 100%; text-align: center;
        font-size: 0.9rem; border-radius: var(--radius);
    }
    .nav-links a:active { background: rgba(123,168,189,0.1); }
    .nav-user { margin: 0.3rem 0; text-align: center; width: 100%; padding: 0.5rem; }

    /* Main content - tighter on mobile */
    .main, .main-wide { padding: 0.8rem 0.6rem; }

    /* Hero - compact height ~120px */
    .hero {
        padding: 1rem 0.8rem 1.2rem;
        min-height: unset;
    }
    .hero h1 {
        font-size: 1.2rem;
        margin-bottom: 0.3rem;
    }
    .hero p {
        font-size: 0.75rem;
        line-height: 1.4;
    }

    /* Tab bar - normal flow, no overlap */
    .tab-bar {
        position: relative;
        z-index: 2;
        margin-top: 0;
        margin-bottom: 1.2rem;
    }
    .tab-btn { padding: 0.4rem 1rem; font-size: 0.75rem; letter-spacing: 0; }

    /* Album grid - 2 cols */
    .album-grid { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
    .album-card-full .card-label { padding: 0.6rem; }
    .album-card-full .card-label h3 { font-size: 0.85rem; }
    .album-card-full .card-label span { font-size: 0.65rem; }

    /* Showcase */
    .showcase { aspect-ratio: 4/3; border-radius: var(--radius-sm); margin-bottom: 2rem; }
    .showcase-info { padding: 0.8rem; }
    .showcase-info h2 { font-size: 0.95rem; }
    .showcase-info span { font-size: 0.65rem; }
    .showcase-nav { width: 30px; height: 30px; font-size: 1rem; }
    .showcase-nav.prev { left: 0.3rem; }
    .showcase-nav.next { right: 0.3rem; }
    .showcase-dots { bottom: 0.5rem; right: 0.8rem; }
    .showcase-dot { width: 6px; height: 6px; }

    /* Gallery */
    .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 0.4rem; }
    .gallery-item.tall { grid-row: span 1; }
    .gallery-overlay { padding: 0.6rem; }
    .gallery-title { font-size: 0.85rem; }
    .gallery-category { font-size: 0.65rem; letter-spacing: 0.5px; }

    /* Filter pills */
    .filter-container { gap: 0.25rem; flex-wrap: wrap; }
    .filter-btn { padding: 0.3rem 0.65rem; font-size: 0.68rem; letter-spacing: 0; }

    /* Cards */
    .login-card { padding: 1.5rem 1.2rem; margin: 0 0.5rem; }

    /* Diary */
    .diary-card { padding: 1rem 1.2rem; }
    .diary-card .d-title { font-size: 1rem; }
    .diary-card .d-mood { font-size: 1.4rem; }
    .diary-article { padding: 1rem; }
    .diary-article .art-title { font-size: 1.2rem; }
    .diary-article .art-mood { font-size: 2.5rem; }
    .art-body { font-size: 0.95rem; }

    /* Diary gallery */
    .diary-gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 0.4rem; }

    /* Photo detail */
    .photo-view { border-radius: var(--radius-sm); }
    .photo-detail { padding: 0; }
    .photo-actions { flex-wrap: wrap; }

    /* Buttons */
    .btn { padding: 0.45rem 1rem; font-size: 0.8rem; }
    .btn-lg { padding: 0.55rem 1.3rem; font-size: 0.85rem; }

    /* Forms */
    .form-group input, .form-group textarea, .form-group select {
        font-size: 16px; /* prevent iOS zoom */
        padding: 0.55rem 0.7rem;
    }
    .mood-emj { font-size: 1.3rem; padding: 0.25rem 0.4rem; }

    /* Pagination */
    .pagination { gap: 0.5rem; }
    .pg-info { font-size: 0.75rem; }

    /* Footer */
    footer { padding: 1.2rem 1rem; font-size: 0.7rem; }

    /* Toast */
    .toast-container { right: 0.8rem; left: 0.8rem; }
    .toast { max-width: 100%; font-size: 0.78rem; }
}