/* ==========================================================
   KOAS Admin Panel — Stylesheet
   Design: Matches public site dark theme
   Tokens: --bg #0a0a0b, --surface #141416, --accent #5eead4
   Font: Poppins 300-700
   ========================================================== */

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

:root {
    --bg: #0a0a0b;
    --surface: #141416;
    --surface-hover: #1c1c1f;
    --input-bg: #1c1c1f;
    --border: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(255, 255, 255, 0.14);
    --border-focus: #5eead4;
    --text: #e4e4e7;
    --text-muted: #a1a1aa;
    --text-dim: #71717a;
    --accent: #5eead4;
    --accent-dim: rgba(94, 234, 212, 0.12);
    --danger: #f87171;
    --danger-dim: rgba(248, 113, 113, 0.12);
    --success: #4ade80;
    --success-dim: rgba(74, 222, 128, 0.12);
    --warning: #fbbf24;
    --warning-dim: rgba(251, 191, 36, 0.12);
    --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --ease: cubic-bezier(0.4, 0, 0.2, 1);
    --duration: 0.25s;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.4);
    --card-gradient: linear-gradient(180deg, rgba(255,255,255,0.035) 0%, rgba(255,255,255,0.01) 100%);
    --nav-height: 64px;
    --sidebar-width: 320px;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font); }

/* ==========================================================
   NAV BAR — fixed top, glassmorphism
   ========================================================== */
.admin-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(10, 10, 11, 0.82);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
}

.admin-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.admin-nav-brand {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.01em;
    white-space: nowrap;
}

.admin-nav-brand span {
    color: var(--text-dim);
    font-weight: 400;
    margin-left: 4px;
}

.admin-nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.admin-nav-links a {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-muted);
    transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
}

.admin-nav-links a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.admin-nav-links a.active {
    color: var(--accent);
    background: var(--accent-dim);
}

.admin-nav-links a svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.admin-nav-logout {
    border: none;
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-dim);
    transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
}

.admin-nav-logout:hover {
    color: var(--danger);
    background: var(--danger-dim);
}

/* Mobile nav toggle */
.admin-nav-toggle {
    display: none;
    border: none;
    background: none;
    color: var(--text);
    cursor: pointer;
    padding: 8px;
}

/* ==========================================================
   LAYOUT — main content below nav
   ========================================================== */
.admin-page {
    padding-top: var(--nav-height);
    min-height: 100vh;
}

.admin-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ==========================================================
   SPLIT LAYOUT — sidebar + main (team.html, story.html)
   ========================================================== */
.admin-split {
    display: flex;
    min-height: calc(100vh - var(--nav-height));
}

.admin-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    background: var(--surface);
    overflow-y: auto;
    padding: 20px 0;
    position: sticky;
    top: var(--nav-height);
    height: calc(100vh - var(--nav-height));
}

.admin-main {
    flex: 1;
    min-width: 0;
    padding: 32px;
    overflow-y: auto;
}

/* Sidebar header */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px 16px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 12px;
}

.sidebar-header h2 {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
}

/* Sidebar groups (department / year) */
.sidebar-group {
    margin-bottom: 8px;
}

.sidebar-group-title {
    padding: 8px 20px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-dim);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    cursor: pointer;
    transition: background var(--duration) var(--ease);
    border-left: 3px solid transparent;
}

.sidebar-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.sidebar-item.active {
    background: var(--accent-dim);
    border-left-color: var(--accent);
}

.sidebar-item-thumb {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--surface-hover);
    flex-shrink: 0;
}

.sidebar-item-thumb-placeholder {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface-hover);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-dim);
}

.sidebar-item-info {
    min-width: 0;
}

.sidebar-item-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-item-sub {
    font-size: 0.75rem;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Sidebar: drag-and-drop sortable data attributes */
.sidebar-item[draggable="true"] {
    cursor: grab;
}

.sidebar-item[draggable="true"]:active {
    cursor: grabbing;
}

.sidebar-item.dragging {
    opacity: 0.4;
}

.sidebar-item.drag-over {
    border-top: 2px solid var(--accent);
}

/* ==========================================================
   CARDS — gradient bg matching public site
   ========================================================== */
.card {
    background: var(--card-gradient);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 0 20px rgba(94, 234, 212, 0.04);
}

.card-clickable {
    cursor: pointer;
}

.card-clickable:hover {
    border-color: rgba(94, 234, 212, 0.2);
}

/* ==========================================================
   STAT CARDS — dashboard
   ========================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--card-gradient);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}

.stat-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 0 24px rgba(94, 234, 212, 0.04);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--accent-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.stat-info {
    flex: 1;
}

.stat-label {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--text-dim);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.2;
}

.stat-value .loading-dots::after {
    content: '...';
    animation: dots 1.2s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* ==========================================================
   QUICK ACTIONS — dashboard
   ========================================================== */
.actions-section {
    margin-bottom: 40px;
}

.actions-section h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.action-card {
    background: var(--card-gradient);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease), transform var(--duration) var(--ease);
    text-decoration: none;
    color: var(--text);
}

.action-card:hover {
    border-color: rgba(94, 234, 212, 0.2);
    box-shadow: 0 0 20px rgba(94, 234, 212, 0.06);
    transform: translateY(-1px);
}

.action-card svg {
    width: 20px;
    height: 20px;
    color: var(--accent);
    flex-shrink: 0;
}

.action-card-label {
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==========================================================
   FORMS
   ========================================================== */
.form-section {
    margin-bottom: 32px;
}

.form-section-title {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--input-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.875rem;
    font-family: var(--font);
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-dim);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2371717a' d='M6 8.5L1 3.5h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

.form-select option {
    background: var(--surface);
    color: var(--text);
}

.form-textarea {
    min-height: 100px;
    resize: vertical;
    line-height: 1.6;
}

.form-checkbox-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.form-checkbox-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    cursor: pointer;
}

/* Toggle switch for status (draft/published) */
.toggle-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toggle {
    position: relative;
    width: 44px;
    height: 24px;
}

.toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: 12px;
    cursor: pointer;
    transition: background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--text-dim);
    transition: transform var(--duration) var(--ease), background var(--duration) var(--ease);
}

.toggle input:checked + .toggle-slider {
    background: var(--accent-dim);
    border-color: var(--accent);
}

.toggle input:checked + .toggle-slider::before {
    transform: translateX(20px);
    background: var(--accent);
}

.toggle-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.toggle-label .status-text {
    font-weight: 500;
}

/* ==========================================================
   PHOTO / FILE UPLOAD ZONES
   ========================================================== */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
    position: relative;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.upload-zone input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.upload-zone-icon {
    margin: 0 auto 12px;
    width: 48px;
    height: 48px;
    color: var(--text-dim);
}

.upload-zone-text {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.upload-zone-text strong {
    color: var(--accent);
}

.upload-zone-hint {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 6px;
}

/* Small inline upload slot (for hero image, video, etc.) */
.media-slot {
    background: var(--surface);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: border-color var(--duration) var(--ease), background var(--duration) var(--ease);
    position: relative;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.media-slot:hover {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.media-slot input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.media-slot-label {
    font-size: 0.8125rem;
    color: var(--text-dim);
}

.media-slot svg {
    width: 24px;
    height: 24px;
    color: var(--text-dim);
}

.media-slot-preview {
    width: 100%;
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

/* Gallery grid for multi-image uploads */
.media-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 12px;
}

.media-gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--border);
}

.media-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-gallery-item .remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: var(--danger);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity var(--duration) var(--ease);
}

.media-gallery-item:hover .remove-btn {
    opacity: 1;
}

/* Photo preview in team form */
.photo-preview-wrap {
    margin-top: 12px;
    position: relative;
    display: inline-block;
}

.photo-preview-wrap img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--border);
}

/* ==========================================================
   BUTTONS
   ========================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    white-space: nowrap;
    text-decoration: none;
    line-height: 1.4;
}

.btn svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Primary: accent text on dark bg with accent border */
.btn-primary {
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(94, 234, 212, 0.2);
}

.btn-primary:hover {
    background: rgba(94, 234, 212, 0.18);
    border-color: rgba(94, 234, 212, 0.35);
    box-shadow: 0 0 16px rgba(94, 234, 212, 0.1);
}

/* Ghost */
.btn-ghost {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
}

.btn-ghost:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-hover);
}

/* Danger */
.btn-danger {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-danger:hover {
    background: rgba(248, 113, 113, 0.18);
    border-color: rgba(248, 113, 113, 0.35);
}

/* Small variant */
.btn-sm {
    padding: 6px 14px;
    font-size: 0.8125rem;
}

/* Icon-only button */
.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

/* Button row */
.btn-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}

.btn-row-right {
    margin-left: auto;
}

/* ==========================================================
   MEDIA BROWSER — grid layout
   ========================================================== */
.media-filter-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 12px;
}

.media-filter-tab {
    padding: 8px 16px;
    border: none;
    background: none;
    color: var(--text-dim);
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color var(--duration) var(--ease), background var(--duration) var(--ease);
}

.media-filter-tab:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.media-filter-tab.active {
    color: var(--accent);
    background: var(--accent-dim);
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.media-card {
    background: var(--card-gradient);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    cursor: pointer;
}

.media-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 0 20px rgba(94, 234, 212, 0.04);
}

.media-card-thumb {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--surface);
}

.media-card-info {
    padding: 12px;
}

.media-card-name {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-card-meta {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.media-card-actions {
    display: flex;
    gap: 8px;
    padding: 8px 12px 12px;
}

/* ==========================================================
   EMPTY STATES
   ========================================================== */
.empty-state {
    text-align: center;
    padding: 60px 24px;
}

.empty-state svg {
    width: 48px;
    height: 48px;
    color: var(--text-dim);
    margin-bottom: 16px;
}

.empty-state-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.empty-state-text {
    font-size: 0.875rem;
    color: var(--text-dim);
}

/* ==========================================================
   LOADING SKELETON
   ========================================================== */
.skeleton {
    background: linear-gradient(90deg, var(--surface) 25%, var(--surface-hover) 50%, var(--surface) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}

.skeleton-text {
    height: 14px;
    margin-bottom: 8px;
    width: 80%;
}

.skeleton-text-short {
    width: 50%;
}

.skeleton-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

.skeleton-card {
    height: 120px;
}

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

/* ==========================================================
   TOAST NOTIFICATIONS — slide in from top-right
   ========================================================== */
.toast-container {
    position: fixed;
    top: calc(var(--nav-height) + 16px);
    right: 16px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 14px 20px;
    min-width: 280px;
    max-width: 400px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 12px;
    pointer-events: auto;
    animation: toast-slide-in 0.3s var(--ease) forwards;
}

.toast.toast-exit {
    animation: toast-slide-out 0.25s var(--ease) forwards;
}

.toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

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

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

.toast-message {
    font-size: 0.875rem;
    color: var(--text);
    flex: 1;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    font-size: 1rem;
}

@keyframes toast-slide-in {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes toast-slide-out {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(100px);
    }
}

/* ==========================================================
   MODAL / CONFIRM DIALOG — glassmorphism overlay
   ========================================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 3000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease), visibility 0.2s;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 480px;
    width: 100%;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.2s var(--ease);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.modal-body {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ==========================================================
   LOGIN PAGE
   ========================================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-card {
    background: var(--card-gradient);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 400px;
    width: 100%;
    box-shadow: var(--shadow-lg);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.login-logo-sub {
    font-size: 0.8125rem;
    color: var(--text-dim);
    margin-top: 4px;
}

.login-error {
    background: var(--danger-dim);
    border: 1px solid rgba(248, 113, 113, 0.25);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
    font-size: 0.875rem;
    color: var(--danger);
    display: none;
}

.login-error.visible {
    display: block;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(94, 234, 212, 0.2);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    margin-top: 8px;
}

.login-btn:hover {
    background: rgba(94, 234, 212, 0.18);
    border-color: rgba(94, 234, 212, 0.35);
    box-shadow: 0 0 20px rgba(94, 234, 212, 0.1);
}

.login-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================================
   BADGE — status indicator
   ========================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.6875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-published {
    background: var(--success-dim);
    color: var(--success);
}

.badge-draft {
    background: var(--warning-dim);
    color: var(--warning);
}

.badge-alumni {
    background: rgba(139, 92, 246, 0.12);
    color: #a78bfa;
}

/* ==========================================================
   COPIED-TO-CLIPBOARD TOOLTIP
   ========================================================== */
.copy-tooltip {
    position: absolute;
    background: var(--accent);
    color: var(--bg);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateY(4px);
    transition: opacity 0.2s, transform 0.2s;
}

.copy-tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================
   RESPONSIVE — mobile first stack
   ========================================================== */
@media (max-width: 1024px) {
    .admin-split {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        height: auto;
        max-height: 40vh;
        position: relative;
        top: 0;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .admin-main {
        padding: 24px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 56px;
    }

    .admin-nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        background: rgba(10, 10, 11, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 12px;
        gap: 4px;
        display: none;
    }

    .admin-nav-links.open {
        display: flex;
    }

    .admin-nav-toggle {
        display: block;
    }

    .admin-content {
        padding: 20px 16px;
    }

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

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

    .media-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .login-card {
        padding: 28px 24px;
    }

    .modal {
        padding: 24px;
        margin: 16px;
    }

    .btn-row {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .media-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ==========================================================
   MEDIA PICKER MODAL — for choosing existing R2 files
   ========================================================== */
.media-picker-modal {
    position: fixed;
    inset: 0;
    z-index: 4000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease), visibility 0.2s;
}

.media-picker-modal.open {
    opacity: 1;
    visibility: visible;
}

.media-picker-inner {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95);
    transition: transform 0.2s var(--ease);
}

.media-picker-modal.open .media-picker-inner {
    transform: scale(1);
}

.media-picker-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.media-picker-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
}

.media-picker-close {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 4px;
    font-size: 1.5rem;
    line-height: 1;
    transition: color var(--duration) var(--ease);
}

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

.media-picker-body {
    padding: 20px 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.media-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.media-picker-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border);
    cursor: pointer;
    transition: border-color var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
    background: var(--bg);
}

.media-picker-item:hover {
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(94, 234, 212, 0.15);
}

.media-picker-item img,
.media-picker-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-picker-item-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.75);
    font-size: 0.6875rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-picker-item-video-badge {
    position: absolute;
    top: 6px;
    left: 6px;
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
}

.media-picker-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-dim);
    font-size: 0.875rem;
}

/* "Choose from library" buttons next to upload slots */
.media-slot-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.btn-pick-library {
    background: var(--surface-hover);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 6px 14px;
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration) var(--ease);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-pick-library:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-dim);
}

.btn-pick-library svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* ==========================================================
   MEDIA FOLDER VIEW — collapsible folder groups
   ========================================================== */
.media-view-toggle {
    display: flex;
    gap: 4px;
    margin-left: auto;
}

.media-view-btn {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: none;
    color: var(--text-dim);
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 400;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: color var(--duration) var(--ease), background var(--duration) var(--ease), border-color var(--duration) var(--ease);
}

.media-view-btn:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.media-view-btn.active {
    color: var(--accent);
    background: var(--accent-dim);
    border-color: rgba(94, 234, 212, 0.2);
}

.media-folder {
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.media-folder-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--surface);
    cursor: pointer;
    transition: background var(--duration) var(--ease);
    user-select: none;
}

.media-folder-header:hover {
    background: var(--surface-hover);
}

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

.media-folder-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
    flex: 1;
}

.media-folder-count {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-left: auto;
}

.media-folder-chevron {
    font-size: 0.875rem;
    color: var(--text-dim);
    transition: transform var(--duration) var(--ease);
}

.media-folder.collapsed .media-folder-chevron {
    transform: rotate(-90deg);
}

.media-folder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    padding: 16px;
}

.media-folder.collapsed .media-folder-grid {
    display: none;
}

@media (max-width: 768px) {
    .media-picker-inner {
        max-height: 90vh;
    }

    .media-picker-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .media-folder-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}