:root {
    --primary-red: #c62828;
    --primary-blue: #0d47a1;
    --primary-blue-soft: #e8f0ff;
    --text: #1f2937;
    --muted: #6b7280;
    --neutral: #f3f4f6;
    --white: #ffffff;
    --border: #dfe5ee;
    --success: #1f9d55;
    --warning: #f59e0b;
    --danger: #dc2626;
    --shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: #f5f7fb; color: var(--text); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select { font: inherit; }

.container { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }

.public-header {
    background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
    color: white;
    padding: 20px 0;
}
.public-header-inner {
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.public-header h1 { margin: 0; font-size: 2rem; }
.public-header p { margin: 4px 0 0; opacity: 0.9; }
.public-nav { display: flex; gap: 18px; }
.public-main { padding: 30px 0 40px; }
.public-toolbar {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 16px; margin-bottom: 24px;
}
.panel { background: var(--white); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-weight: 700; font-size: 0.82rem; color: var(--muted); }
.field input, .field select {
    width: 100%; height: 42px; border: 1px solid var(--border); border-radius: 10px; padding: 0 12px; background: white;
}
.search-field { min-width: 0; }
.public-gallery {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px;
}
.media-card {
    background: var(--white); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); display: flex; flex-direction: column;
}
.media-card img, .video-thumb-placeholder {
    width: 100%; height: 200px; object-fit: cover; background: linear-gradient(135deg, #edf2ff, #dfe7ff);
}
.video-thumb-placeholder {
    display: flex; align-items: center; justify-content: center; font-weight: 700; color: var(--primary-blue); }
.media-card-body { padding: 16px; }
.media-card-body h3 { margin: 0 0 8px; font-size: 1rem; line-height: 1.4; }
.media-card-body p { margin: 0; color: var(--muted); }
.gallery-skeleton { overflow: hidden; }
.skeleton-media, .skeleton-line { background: #e5e7eb; }
.skeleton-media { width: 100%; height: 200px; }
.skeleton-line { height: 14px; border-radius: 6px; margin-bottom: 10px; }
.skeleton-line.short { width: 72%; }
.skeleton-line.shorter { width: 48%; margin-bottom: 0; }
.inline-meta { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 0.8rem; margin-top: 10px; }
.card-actions { display: flex; gap: 8px; margin-top: 14px; }

.auth-body { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #f1f5f9, #edf4ff); }
.auth-shell { width: min(100%, 420px); }
.auth-card { background: var(--white); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); padding: 32px; }
.brand-block { text-align: center; margin-bottom: 24px; }
.brand-mark { width: 54px; height: 54px; border-radius: 16px; background: linear-gradient(135deg, var(--primary-red), var(--primary-blue)); color: white; display: grid; place-items: center; font-size: 1.7rem; margin: 0 auto 14px; }
.brand-block h1 { margin: 0; font-size: 1.8rem; }
.brand-block p { color: var(--muted); margin-top: 6px; }
.login-form { display: flex; flex-direction: column; gap: 16px; }
.login-form input { height: 44px; border: 1px solid var(--border); border-radius: 10px; padding: 0 12px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; border: none; border-radius: 10px; cursor: pointer; padding: 10px 18px; font-weight: 700; transition: 0.2s ease;
}
.btn:hover { opacity: 0.96; }
.btn-primary { background: var(--primary-blue); color: white; }
.btn-secondary { background: var(--primary-red); color: white; }
.btn-muted { background: #eef2ff; color: var(--primary-blue); }
.btn-small { padding: 8px 12px; font-size: 0.82rem; }
.btn-block { width: 100%; }

.app-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 260px; background: #101827; color: white; padding: 24px 18px; flex-shrink: 0;
}
.sidebar-brand { font-size: 1.2rem; font-weight: 700; margin-bottom: 22px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 8px; }
.nav-link { color: #dfe7ff; padding: 12px 14px; border-radius: 10px; } .nav-link:hover { background: rgba(255,255,255,.08); }
.nav-link.danger { color: #ffdede; }
.main-panel { flex: 1; padding: 24px; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.eyebrow { margin: 0 0 6px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.7rem; }
.page-header h1 { margin: 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; background: white; border-bottom: 1px solid var(--border); }
.topbar-title { font-weight: 700; text-transform: capitalize; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.logout-link { color: var(--primary-red); font-weight: 700; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card { background: white; border: 1px solid var(--border); border-left: 6px solid transparent; border-radius: 14px; padding: 18px 18px 14px; box-shadow: var(--shadow); }
.stat-card.tone-blue { border-left-color: var(--primary-blue); }
.stat-card.tone-red { border-left-color: var(--primary-red); }
.stat-card.tone-indigo { border-left-color: #4338ca; }
.stat-card.tone-green { border-left-color: var(--success); }
.stat-card.tone-orange { border-left-color: #ea580c; }
.stat-card.tone-gray { border-left-color: #64748b; }
.stat-label { color: var(--muted); font-size: 0.8rem; }
.stat-value { margin-top: 10px; font-size: 1.8rem; font-weight: 700; }
.recent-list { display: flex; flex-direction: column; gap: 16px; }
.recent-item { display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.recent-thumb img, .recent-thumb .video-thumb-placeholder { width: 80px; height: 80px; object-fit: cover; border-radius: 10px; }
.recent-meta { display: flex; flex-direction: column; gap: 4px; }
.recent-meta span, .recent-meta small { color: var(--muted); }
.panel-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.filters-panel { padding: 18px; margin-bottom: 18px; }
.filter-form { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; }
.action-field { display: flex; align-items: end; }
.uploader-panel { padding: 18px; }
.dropzone {
    border: 2px dashed #b6c6ff; background: var(--primary-blue-soft); border-radius: 16px; padding: 26px; text-align: center; min-height: 240px; display: grid; place-items: center; position: relative; overflow: hidden;
}
.dropzone input[type=file] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.dropzone-content { max-width: 380px; }
.drop-icon { font-size: 3rem; color: var(--primary-blue); }
.batch-meta { margin-top: 22px; }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-top: 16px; }
.upload-queue { margin-top: 22px; display: flex; flex-direction: column; gap: 10px; }
.queue-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; border: 1px solid var(--border); border-radius: 10px; padding: 12px; }
.queue-item.success { border-color: rgba(31,157,85,0.33); background: #f1fbf5; }
.queue-item.error { border-color: rgba(220,38,38,0.33); background: #fff3f3; }
.queue-status { font-size: 0.8rem; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; }
.status-badge { display: inline-block; padding: 5px 8px; border-radius: 999px; font-size: 0.75rem; text-transform: capitalize; }
.status-badge.active { background: #eafaf1; color: #167a42; }
.status-badge.inactive { background: #fff2d9; color: #925b09; }
.empty-state { padding: 24px; text-align: center; color: var(--muted); }
.pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.page-link { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 10px; padding: 0 12px; background: white; }
.page-link.active { background: var(--primary-blue); color: white; }
.modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 1500; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,0.6); }
.modal-dialog { position: relative; width: min(520px, calc(100% - 30px)); max-height: calc(100vh - 30px); background: white; border-radius: 16px; padding: 20px; box-shadow: var(--shadow); z-index: 1; }
.modal-dialog.large { width: min(820px, calc(100% - 30px)); display: flex; flex-direction: column; min-height: 0; }
.modal-close { position: absolute; top: 12px; right: 14px; width: 32px; height: 32px; border: none; background: transparent; font-size: 1.7rem; cursor: pointer; }
.modal-dialog.large > #publicPreviewContent { display: flex; flex: 1 1 auto; flex-direction: column; min-height: 0; }
.preview-body { flex: 1 1 auto; min-height: 0; max-height: calc(100vh - 150px); overflow-y: auto; overscroll-behavior: contain; }
.preview-body img, .preview-body video { width: 100%; height: auto; object-fit: contain; border-radius: 12px; }
.preview-body video { max-height: 100%; }
.preview-loading, .preview-error { padding: 48px 20px; text-align: center; color: var(--muted); }
.preview-metadata { margin-top: 14px; color: var(--muted); display: grid; gap: 8px; flex-shrink: 0; }
.alert { border-radius: 10px; padding: 12px 14px; margin-bottom: 16px; }
.alert.error { background: #fff0f0; color: #991b1b; border: 1px solid #fecaca; }

@media (max-width: 900px) {
    .app-layout { display: block; }
    .sidebar { width: 100%; }
    .sidebar-nav { flex-direction: row; flex-wrap: wrap; }
    .public-header-inner, .topbar { flex-direction: column; align-items: flex-start; }
    .public-toolbar { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .public-toolbar { grid-template-columns: 1fr; }
    .container { width: min(100% - 18px, 1200px); }
    .main-panel { padding: 14px; }
    .recent-item { grid-template-columns: 1fr; }
    .auth-card { padding: 22px; }
    .field-row { grid-template-columns: 1fr; }
}

/* Admin media library gallery layout. */
.media-grid.admin-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.media-card.admin-card {
    height: 100%;
}

.media-card.admin-card > img,
.media-card.admin-card > .video-thumb-placeholder {
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
    object-fit: cover;
}

@media (max-width: 1000px) {
    .media-grid.admin-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .media-grid.admin-grid {
        grid-template-columns: 1fr;
    }
}

/* Admin users page */
.users-page .users-form-panel,
.users-page .users-table-panel {
    overflow: hidden;
}

.users-page .users-form-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.users-page .users-form-panel .panel-header,
.users-page .users-table-panel .panel-header {
    padding: 22px 26px;
    border-bottom: 1px solid var(--border);
    background: #fbfcfe;
}

.users-page .users-form-panel .panel-header h2,
.users-page .users-table-panel .panel-header h2 {
    margin: 0;
    color: var(--text);
    font-size: 1.2rem;
}

.users-page .users-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    padding: 26px;
}

.users-page .users-form > label {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 0;
}

.users-page .users-form > label > span {
    color: var(--text);
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
}

.users-page .users-form input,
.users-page .users-form select {
    width: 100%;
    height: 48px;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0 13px;
    background: var(--white);
    color: var(--text);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.users-page .users-form input:focus,
.users-page .users-form select:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(13, 71, 161, 0.1);
}

.users-page .users-form > div:last-child {
    display: flex;
    align-items: center;
    gap: 10px;
    grid-column: 1 / -1;
    margin-top: 4px;
}

.users-page .alert {
    margin: 20px 26px 0;
}

.users-page .alert.success {
    background: #eefaf3;
    border: 1px solid #b9e5c8;
    color: #167a42;
}

.users-page .users-table-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow);
}

.users-page .users-table-scroll {
    width: 100%;
    overflow-x: auto;
}

.users-page .users-table-panel .data-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.users-page .users-table-panel .data-table th,
.users-page .users-table-panel .data-table td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

.users-page .users-table-panel .data-table th {
    background: #f8fafc;
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.users-page .users-table-panel .data-table td {
    color: var(--text);
    font-size: 0.9rem;
}

.users-page .users-table-panel .data-table tbody tr {
    transition: background-color 0.2s ease;
}

.users-page .users-table-panel .data-table tbody tr:hover {
    background: #f7faff;
}

.users-page .status-badge {
    border-radius: 999px;
    font-size: 0.74rem;
    padding: 5px 10px;
}

@media (max-width: 700px) {
    .users-page .users-form {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .users-page .users-form > div:last-child {
        grid-column: auto;
    }

    .users-page .users-form-panel .panel-header,
    .users-page .users-table-panel .panel-header {
        padding: 18px 20px;
    }

    .users-page .alert {
        margin-right: 20px;
        margin-left: 20px;
    }
}