/* ============================================
   ImageShare - Premium Dark Glassmorphic Theme
   ============================================ */

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

/* ── Custom Properties ── */
:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #0f1333;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(123, 47, 247, 0.3);
    --text-primary: #e0e6ff;
    --text-secondary: #8892b0;
    --text-muted: #4a5568;
    --accent-purple: #7b2ff7;
    --accent-cyan: #00d2ff;
    --accent-green: #00c853;
    --accent-pink: #ff2d75;
    --accent-orange: #ff9100;
    --gradient-primary: linear-gradient(135deg, #7b2ff7, #00d2ff);
    --gradient-warm: linear-gradient(135deg, #ff2d75, #ff9100);
    --gradient-green: linear-gradient(135deg, #00c853, #00d2ff);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-blur: blur(20px);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(123, 47, 247, 0.15);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
    background: var(--accent-purple);
    border-radius: 3px;
}

/* ── Selection ── */
::selection {
    background: rgba(123, 47, 247, 0.4);
    color: #fff;
}

/* ── Background Orbs ── */
.bg-orbs {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.bg-orbs .orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: orbFloat 20s ease-in-out infinite;
}
.bg-orbs .orb:nth-child(1) {
    width: 600px; height: 600px;
    background: var(--accent-purple);
    top: -200px; left: -100px;
    animation-duration: 25s;
}
.bg-orbs .orb:nth-child(2) {
    width: 400px; height: 400px;
    background: var(--accent-cyan);
    bottom: -100px; right: -100px;
    animation-duration: 20s;
    animation-delay: -5s;
}
.bg-orbs .orb:nth-child(3) {
    width: 300px; height: 300px;
    background: var(--accent-pink);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 30s;
    animation-delay: -10s;
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -30px) scale(1.1); }
    50% { transform: translate(-30px, 50px) scale(0.9); }
    75% { transform: translate(30px, 30px) scale(1.05); }
}

/* ── Utility ── */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(123, 47, 247, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(123, 47, 247, 0.5);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    border-color: var(--accent-purple);
    background: var(--bg-card-hover);
}

.btn-danger {
    background: linear-gradient(135deg, #ff2d75, #ff6b6b);
    color: #fff;
}
.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 45, 117, 0.4);
}

.btn-sm {
    padding: 0.4rem 1rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

.btn-icon {
    width: 38px; height: 38px;
    padding: 0;
    border-radius: var(--radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ── Forms ── */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: 0.85rem 1.1rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    outline: none;
}

.form-input:focus {
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(123, 47, 247, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.form-input::placeholder { color: var(--text-muted); }

/* ── Cards ── */
.card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 2rem;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

/* ── Toast Notifications ── */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    background: rgba(15, 19, 51, 0.95);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-width: 300px;
    max-width: 450px;
    pointer-events: auto;
    animation: toastIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg);
    font-size: 0.9rem;
}

.toast.success { border-left: 3px solid var(--accent-green); }
.toast.error { border-left: 3px solid var(--accent-pink); }
.toast.info { border-left: 3px solid var(--accent-cyan); }

.toast.removing {
    animation: toastOut 0.3s ease forwards;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100px) scale(0.9); }
    to { opacity: 1; transform: translateX(0) scale(1); }
}
@keyframes toastOut {
    to { opacity: 0; transform: translateX(100px) scale(0.9); }
}

/* ── Navigation ── */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    font-size: 1.4rem;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand .logo-icon {
    width: 36px; height: 36px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.4rem 1rem 0.4rem 0.4rem;
    border-radius: 100px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    font-weight: 500;
}

.user-badge .avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
}

/* ════════════════════════════════
   LANDING PAGE
   ════════════════════════════════ */

.landing {
    position: relative;
    z-index: 1;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 4rem 2rem;
}

.hero-content {
    max-width: 700px;
    animation: fadeInUp 0.8s ease;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    background: rgba(123, 47, 247, 0.15);
    border: 1px solid rgba(123, 47, 247, 0.3);
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent-cyan);
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features */
.features {
    padding: 6rem 0;
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 2rem;
    border-radius: var(--radius-xl);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    animation: fadeInUp 0.6s ease backwards;
}
.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.25rem;
    background: var(--gradient-primary);
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Auth Section */
.auth-section {
    padding: 4rem 0 6rem;
    position: relative;
    z-index: 1;
}

.auth-card {
    max-width: 440px;
    margin: 0 auto;
    padding: 2.5rem;
    border-radius: var(--radius-2xl);
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.auth-tabs {
    display: flex;
    background: rgba(255,255,255,0.03);
    border-radius: var(--radius-md);
    padding: 0.3rem;
    margin-bottom: 2rem;
}

.auth-tab {
    flex: 1;
    padding: 0.7rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.auth-tab.active {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(123, 47, 247, 0.3);
}

.auth-form { display: none; }
.auth-form.active { display: block; animation: fadeInUp 0.4s ease; }

.auth-form h2 {
    font-size: 1.5rem;
    margin-bottom: 0.4rem;
}

.auth-form .subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

.form-error {
    background: rgba(255, 45, 117, 0.1);
    border: 1px solid rgba(255, 45, 117, 0.2);
    color: var(--accent-pink);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: 1rem;
    display: none;
}

.form-error.visible { display: block; animation: shake 0.4s ease; }

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
}
.section-title h2 {
    font-size: 2.2rem;
    font-weight: 800;
}
.section-title p {
    color: var(--text-secondary);
    margin-top: 0.5rem;
    font-size: 1rem;
}

/* ════════════════════════════════
   DASHBOARD
   ════════════════════════════════ */

.dashboard {
    position: relative;
    z-index: 1;
    padding-bottom: 4rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}

.stat-card {
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
}
.stat-card:nth-child(1)::before { background: var(--gradient-primary); }
.stat-card:nth-child(2)::before { background: var(--gradient-warm); }
.stat-card:nth-child(3)::before { background: var(--gradient-green); }
.stat-card:nth-child(4)::before { background: linear-gradient(135deg, var(--accent-orange), #ffca28); }

.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-glow); }

.stat-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
}

.stat-card:nth-child(1) .stat-value { color: var(--accent-purple); }
.stat-card:nth-child(2) .stat-value { color: var(--accent-pink); }
.stat-card:nth-child(3) .stat-value { color: var(--accent-green); }
.stat-card:nth-child(4) .stat-value { color: var(--accent-orange); }

/* Upload Zone */
.upload-section {
    margin: 2rem 0;
}

.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-xl);
    padding: 3.5rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    background: var(--bg-card);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--accent-purple);
    background: rgba(123, 47, 247, 0.06);
    box-shadow: 0 0 40px rgba(123, 47, 247, 0.1);
}

.upload-zone.dragover {
    transform: scale(1.01);
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.upload-zone h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.upload-zone p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.upload-zone .browse-link {
    color: var(--accent-cyan);
    text-decoration: underline;
    cursor: pointer;
}

.upload-progress {
    display: none;
    margin-top: 1.5rem;
}

.upload-progress.visible { display: block; }

.progress-bar-wrap {
    background: rgba(255,255,255,0.06);
    border-radius: 100px;
    height: 8px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-bar {
    height: 100%;
    border-radius: 100px;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.3s ease;
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

/* Gallery */
.gallery-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 2.5rem 0 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.gallery-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0 1rem;
    transition: border-color var(--transition-normal);
}

.search-box:focus-within { border-color: var(--accent-purple); }

.search-box input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    padding: 0.7rem 0.5rem;
    outline: none;
    width: 200px;
}

.search-box input::placeholder { color: var(--text-muted); }

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.gallery-empty .empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

/* Image Card */
.image-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    animation: fadeInUp 0.5s ease backwards;
}

.image-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-glow);
    box-shadow: var(--shadow-glow);
}

.image-card-thumb {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: rgba(0,0,0,0.3);
}

.image-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.image-card:hover .image-card-thumb img {
    transform: scale(1.05);
}

.image-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent 50%, rgba(0,0,0,0.7));
    opacity: 0;
    transition: opacity var(--transition-normal);
    display: flex;
    align-items: flex-end;
    padding: 1rem;
}

.image-card:hover .image-card-overlay { opacity: 1; }

.image-card-actions {
    display: flex;
    gap: 0.5rem;
    width: 100%;
}

.image-card-body {
    padding: 1rem 1.25rem;
}

.image-card-title {
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.image-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.image-card-links {
    display: flex;
    gap: 0.4rem;
    padding: 0 1.25rem 1rem;
}

.link-copy-btn {
    flex: 1;
    padding: 0.45rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    white-space: nowrap;
}

.link-copy-btn:hover {
    border-color: var(--accent-purple);
    color: var(--accent-cyan);
    background: rgba(123, 47, 247, 0.08);
}

.link-copy-btn.copied {
    border-color: var(--accent-green);
    color: var(--accent-green);
    background: rgba(0, 200, 83, 0.08);
}

/* ── Modal ── */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: 2rem;
}

.modal-backdrop.visible {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 2rem;
    transform: scale(0.9) translateY(20px);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.modal-backdrop.visible .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.modal-header h3 { font-size: 1.2rem; font-weight: 700; }

.modal-close {
    width: 32px; height: 32px;
    border: none;
    background: var(--bg-card);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition-fast);
}
.modal-close:hover { background: rgba(255,45,117,0.2); color: var(--accent-pink); }

.modal-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
    justify-content: flex-end;
}

/* ── Loading Skeleton ── */
.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.03) 25%, rgba(255,255,255,0.08) 50%, rgba(255,255,255,0.03) 75%);
    background-size: 400% 100%;
    animation: skeletonPulse 1.5s ease infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeletonPulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(100%); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .container { padding: 0 1rem; }
    .hero h1 { font-size: 2.5rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
    .gallery-header { flex-direction: column; align-items: stretch; }
    .search-box input { width: 100%; }
    .auth-card { margin: 0 1rem; padding: 1.5rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .image-card-links { flex-direction: column; }
}

/* ── Footer ── */
.footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.footer a {
    color: var(--accent-purple);
    text-decoration: none;
}