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

:root,
[data-theme="dark"] {
    --primary: #6366F1;
    --primary-hover: #818CF8;
    --primary-glow: rgba(99, 102, 241, 0.25);
    --accent: #F59E0B;
    --accent-hover: #FBBF24;
    --premium: #A855F7;
    --premium-glow: rgba(168, 85, 247, 0.2);
    --bg: #09090B;
    --bg-elevated: #18181B;
    --surface: #27272A;
    --surface-hover: #3F3F46;
    --card: rgba(39, 39, 42, 0.6);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(99, 102, 241, 0.3);
    --text: #FAFAFA;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --success: #22C55E;
    --error: #EF4444;
    --warning: #F59E0B;
    --info: #3B82F6;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px var(--primary-glow);

}

[data-theme="light"] {
    --bg: #FAFAFA;
    --bg-elevated: #FFFFFF;
    --surface: #F4F4F5;
    --surface-hover: #E4E4E7;
    --card: rgba(255, 255, 255, 0.8);
    --card-border: rgba(0, 0, 0, 0.06);
    --card-hover-border: rgba(99, 102, 241, 0.25);
    --text: #18181B;
    --text-secondary: #52525B;
    --text-muted: #A1A1AA;
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(0, 0, 0, 0.06);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 20px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

[data-theme="dark"] body {
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(99, 102, 241, 0.12), transparent),
        radial-gradient(ellipse 60% 40% at 80% 50%, rgba(168, 85, 247, 0.06), transparent);
}

/* Header */
.header {
    text-align: center;
    padding: 3rem 1.5rem 2rem;
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.header h1 {
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--premium) 50%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.4rem;
    line-height: 1.15;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
}

.stats-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 0.4rem 1rem;
    border-radius: 9999px;
    margin-top: 1rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.stats-badge strong {
    color: var(--primary);
    font-weight: 700;
}

.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 0;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    width: 40px;
    height: 40px;
    border-radius: 12px;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    color: var(--text);
}

.theme-toggle:hover {
    background: var(--surface);
    border-color: var(--card-hover-border);
    transform: scale(1.05);
}

/* Container */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1rem 2rem;
}

/* Nav */
.nav-tabs {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    padding: 0.35rem;
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
}

.nav-tab {
    padding: 0.55rem 1rem;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.82rem;
    transition: all var(--transition);
    white-space: nowrap;
}

.nav-tab:hover {
    color: var(--text);
    background: var(--surface);
}

.nav-tab.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px var(--primary-glow);
}

/* Cards */
.card {
    background: var(--card);
    backdrop-filter: blur(16px);
    border-radius: var(--radius);
    padding: 1.75rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--card-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--premium));
    opacity: 0;
    transition: opacity 0.3s;
}

.card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.card:hover::before {
    opacity: 1;
}

.card.featured {
    border-color: rgba(168, 85, 247, 0.2);
    background: linear-gradient(135deg, var(--card) 0%, rgba(168, 85, 247, 0.05) 100%);
}

.card.featured::before {
    opacity: 1;
    background: linear-gradient(90deg, var(--premium), var(--primary), var(--accent));
}

.card-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.card-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.3rem;
    color: var(--text);
}

.card-header p {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--premium), var(--primary));
    color: white;
    padding: 0.2rem 0.65rem;
    border-radius: 9999px;
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.5rem;
}

/* Forms */
.upload-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.file-input-wrapper {
    position: relative;
}

.file-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.file-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem 1.5rem;
    border: 1.5px dashed var(--text-muted);
    border-radius: var(--radius);
    background: var(--glass);
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
}

.file-label:hover {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.04);
}

.file-label.file-selected {
    border-color: var(--success);
    border-style: solid;
    background: rgba(34, 197, 94, 0.04);
}

.file-label.drag-over {
    border-color: var(--premium);
    background: rgba(168, 85, 247, 0.08);
    transform: scale(1.01);
    box-shadow: var(--shadow-glow);
}

.file-icon {
    font-size: 1.8rem;
}

.file-text {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text);
}

.drag-hint {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-info {
    display: none;
    background: var(--surface);
    border-radius: var(--radius-sm);
    padding: 0.85rem;
    border-left: 3px solid var(--success);
}

.file-details {
    display: grid;
    gap: 0.35rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.file-name,
.file-size,
.file-type {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.file-preview {
    margin-top: 0.6rem;
    text-align: center;
}

.preview-img {
    max-width: 100%;
    max-height: 180px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    object-fit: contain;
}

/* Form options */
.form-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    padding: 1rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
}

.form-option {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-option label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.form-option input[type="number"],
.form-option select {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xs);
    background: var(--bg-elevated);
    color: var(--text);
    font-size: 0.88rem;
    font-family: inherit;
    transition: border-color var(--transition);
}

.form-option input:focus,
.form-option select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-option input[type="range"] {
    width: 100%;
    accent-color: var(--primary);
    cursor: pointer;
    height: 6px;
}

.slider-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition);
    color: white;
    position: relative;
    overflow: hidden;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--primary);
    box-shadow: 0 2px 12px var(--primary-glow);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-secondary {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    box-shadow: 0 2px 12px rgba(239, 68, 68, 0.25);
}

.btn-premium {
    background: linear-gradient(135deg, var(--premium), var(--primary));
    box-shadow: 0 2px 12px var(--premium-glow);
}

.btn-premium:hover {
    box-shadow: 0 4px 20px var(--premium-glow);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--card-border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.06);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon-small {
    background: none;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xs);
    padding: 0.3rem 0.45rem;
    cursor: pointer;
    font-size: 0.88rem;
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
    display: inline-flex;
    align-items: center;
}

.btn-icon-small:hover {
    background: var(--surface);
    border-color: var(--primary);
}

.crop-btn {
    display: none;
    background: var(--premium);
    color: white;
    border: none;
    padding: 0.4rem 0.85rem;
    border-radius: var(--radius-xs);
    cursor: pointer;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: inherit;
    align-items: center;
    transition: all var(--transition);
}

.crop-btn:hover {
    opacity: 0.9;
}

/* Progress */
.progress-bar {
    display: none;
    width: 100%;
    height: 6px;
    background: var(--surface);
    border-radius: 9999px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary), var(--premium));
    border-radius: 9999px;
    transition: width 0.3s ease;
}

.progress-text {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* AJAX result */
.ajax-result {
    display: none;
    padding: 1.25rem;
    margin-top: 1rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(34, 197, 94, 0.2);
    animation: fadeIn 0.3s ease;
}

.result-content h3 {
    text-align: center;
    margin-bottom: 0.6rem;
    font-size: 1.1rem;
}

.result-content p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    font-size: 0.88rem;
}

.result-preview {
    text-align: center;
    margin: 0.85rem 0;
}

.result-gif {
    max-width: 100%;
    max-height: 260px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    object-fit: contain;
}

.result-actions {
    display: flex;
    gap: 0.4rem;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0.85rem 0;
}

.result-detail {
    font-size: 0.78rem !important;
    color: var(--text-muted) !important;
}

.close-result-btn {
    margin: 0 auto !important;
    display: block !important;
}

/* Divider & sections */
.divider {
    height: 1px;
    background: var(--card-border);
    margin: 2rem 0;
}

.info-section {
    display: grid;
    gap: 1.25rem;
    margin-top: 2rem;
}

.disclaimer-info {
    text-align: center;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.08), rgba(239, 68, 68, 0.02));
    padding: 1.5rem;
    border-radius: var(--radius);
    border: 1px solid rgba(239, 68, 68, 0.15);
}

.disclaimer-info h3 {
    color: #FCA5A5;
    margin-bottom: 0.6rem;
    font-size: 1.1rem;
    font-weight: 700;
}

.disclaimer-info p {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.3rem;
}

.disclaimer-info strong {
    color: var(--text);
}

.social-info {
    text-align: center;
    background: var(--surface);
    padding: 1.25rem;
    border-radius: var(--radius);
    border: 1px solid var(--card-border);
}

.social-info h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.actions {
    text-align: center;
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* History */
.history-section {
    margin-top: 2rem;
    background: var(--card);
    backdrop-filter: blur(16px);
    border-radius: var(--radius);
    padding: 1.5rem;
    border: 1px solid var(--card-border);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.history-header h3 {
    font-size: 1rem;
    font-weight: 700;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--card-border);
    transition: all var(--transition);
}

.history-item:hover {
    border-color: var(--card-hover-border);
}

.history-thumb {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-xs);
    overflow: hidden;
    background: var(--bg);
    flex-shrink: 0;
}

.history-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.history-info {
    flex: 1;
    min-width: 0;
}

.history-name {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-date {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.history-actions {
    display: flex;
    gap: 0.3rem;
    flex-shrink: 0;
}

.history-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 1rem;
    font-size: 0.85rem;
}

/* Toasts */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    z-index: 10000;
    max-width: 340px;
    width: 100%;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--bg-elevated);
    backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-lg);
    color: var(--text);
    font-size: 0.82rem;
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast-visible {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-left: 3px solid var(--success);
}

.toast-error {
    border-left: 3px solid var(--error);
}

.toast-warning {
    border-left: 3px solid var(--warning);
}

.toast-info {
    border-left: 3px solid var(--info);
}

.toast-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.toast-msg {
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    transition: color var(--transition);
}

.toast-close:hover {
    color: var(--text);
}

/* Crop modal */
.crop-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.crop-modal.modal-visible {
    display: flex;
}

.crop-modal-content {
    background: var(--bg-elevated);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 700px;
    width: 100%;
    max-height: 85vh;
    overflow: auto;
    box-shadow: var(--shadow-lg);
}

.crop-modal-content h3 {
    text-align: center;
    margin-bottom: 0.85rem;
    font-size: 1.1rem;
}

.crop-container {
    max-height: 55vh;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.crop-container img {
    max-width: 100%;
    display: block;
}

.crop-actions {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    margin-top: 0.85rem;
}

/* Animated GIF */
.animated-dropzone {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2.5rem 1.5rem;
    border: 1.5px dashed var(--text-muted);
    border-radius: var(--radius);
    background: var(--glass);
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
}

.animated-dropzone:hover,
.animated-dropzone.drag-over {
    border-color: var(--premium);
    background: rgba(168, 85, 247, 0.05);
}

.animated-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.6rem;
    margin: 0.85rem 0;
}

.animated-frame {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 1;
    background: var(--surface);
    border: 1.5px solid var(--card-border);
    transition: border-color var(--transition);
}

.animated-frame:hover {
    border-color: var(--primary);
}

.animated-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.frame-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
    padding: 0.4rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.frame-number {
    font-size: 0.65rem;
    font-weight: 700;
    color: white;
    background: var(--primary);
    padding: 0.1rem 0.4rem;
    border-radius: 4px;
}

.frame-controls {
    display: flex;
    gap: 0.2rem;
}

.frame-controls button {
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    width: 22px;
    height: 22px;
    border-radius: 4px;
    font-size: 0.65rem;
    cursor: pointer;
    transition: background var(--transition);
}

.frame-controls button:hover {
    background: rgba(255, 255, 255, 0.35);
}

.frame-controls button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.preview-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 1.5rem;
    font-size: 0.85rem;
}

/* Admin */
.admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--card);
    backdrop-filter: blur(16px);
    border-radius: var(--radius);
    padding: 1.25rem;
    text-align: center;
    border: 1px solid var(--card-border);
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: var(--card-hover-border);
    transform: translateY(-2px);
}

.stat-icon {
    font-size: 1.5rem;
    margin-bottom: 0.35rem;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-top: 0.15rem;
}

.admin-login {
    max-width: 380px;
    margin: 4rem auto;
}

.admin-login input[type="password"],
.admin-login input[type="text"],
.admin-login input[type="email"] {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text);
    font-size: 0.92rem;
    font-family: inherit;
    margin-bottom: 0.65rem;
    transition: border-color var(--transition);
}

.admin-login input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.file-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.82rem;
}

.file-table th,
.file-table td {
    padding: 0.6rem 0.85rem;
    text-align: left;
    border-bottom: 1px solid var(--card-border);
}

.file-table th {
    background: var(--surface);
    font-weight: 600;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.72rem;
}

.file-table td {
    color: var(--text-secondary);
}

.file-table tr:hover td {
    background: rgba(99, 102, 241, 0.03);
}

/* Result page fallback */
.result-message {
    background: var(--card);
    backdrop-filter: blur(16px);
    border-radius: var(--radius);
    padding: 2rem;
    margin: 2rem auto;
    max-width: 500px;
    text-align: center;
    border: 1px solid var(--card-border);
    border-left: 3px solid var(--success);
    box-shadow: var(--shadow-lg);
}

.result-message.error {
    border-left-color: var(--error);
}

.result-message h2 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.result-message p {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    font-size: 0.88rem;
}

.result-message a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.4rem 0.85rem;
    border: 1.5px solid var(--primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    display: inline-block;
    margin: 0.2rem;
}

.result-message a:hover {
    background: var(--primary);
    color: white;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    color: var(--text-muted);
    font-size: 0.78rem;
    border-top: 1px solid var(--card-border);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 640px) {
    .header {
        padding: 2rem 1rem 1.5rem;
    }

    .container {
        padding: 0 0.75rem 2rem;
    }

    .card {
        padding: 1.25rem;
    }

    .file-label {
        padding: 1.5rem 1rem;
    }

    .btn {
        padding: 0.65rem 1.25rem;
        font-size: 0.82rem;
    }

    .form-options {
        grid-template-columns: 1fr;
    }

    .nav-tab {
        padding: 0.45rem 0.75rem;
        font-size: 0.75rem;
    }

    .theme-toggle {
        position: static;
        margin: 0 auto 0.75rem;
    }

    .admin-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    #toast-container {
        right: 0.5rem;
        left: 0.5rem;
        max-width: none;
    }
}

@media (max-width: 400px) {
    .card {
        padding: 1rem;
    }

    .admin-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.hidden {
    display: none !important;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}