:root {
    --primary: #1e3a5f;
    --primary-light: #2d5a8e;
    --primary-dark: #152a45;
    --bg: #f0f2f6;
    --card-bg: #ffffff;
    --text: #1a1a2e;
    --text-muted: #64748b;
    --border: #d8dee9;
    --border-focus: #2d5a8e;
    --input-bg: #ffffff;
    --input-height: 2.75rem;
    --input-radius: 10px;
    --success: #10b981;
    --error: #ef4444;
    --danger: #dc2626;
    --shadow: 0 1px 2px rgba(15, 23, 42, .06), 0 4px 16px rgba(15, 23, 42, .06);
    --shadow-lg: 0 8px 24px rgba(15, 23, 42, .1);
    --radius: 12px;
    --sidebar-width: 260px;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-light); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-width);
    background: var(--primary);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform .3s;
}

.sidebar-brand {
    padding: 1.25rem;
    font-size: 1.25rem;
    font-weight: 700;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidebar-brand a { color: #fff; text-decoration: none; }

.sidebar-nav { flex: 1; padding: 1rem 0; }
.sidebar-nav a {
    display: block;
    padding: .65rem 1.25rem;
    color: rgba(255,255,255,.8);
    text-decoration: none;
    transition: background .2s;
}
.sidebar-nav a:hover, .sidebar-nav a.active {
    background: rgba(255,255,255,.12);
    color: #fff;
    text-decoration: none;
}

.sidebar-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid rgba(255,255,255,.1);
    display: flex;
    flex-direction: column;
    gap: .5rem;
}
.user-name { font-size: .85rem; opacity: .8; }

.main-wrapper {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    padding: .75rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    position: sticky;
    top: 0;
    z-index: 50;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: .4rem .6rem;
    cursor: pointer;
    font-size: 1.1rem;
}

.topbar-search { flex: 1; max-width: 420px; }
.search-form { width: 100%; }
.topbar-title { font-size: 1.15rem; font-weight: 600; margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-left { display: flex; align-items: center; gap: .75rem; min-width: 0; flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: .65rem; flex-shrink: 0; }
.admin-topbar { justify-content: space-between; padding: .85rem 1.5rem; box-shadow: var(--shadow); }
.admin-content { max-width: 1400px; }

.main-content { padding: 1.5rem; flex: 1; }

.site-footer {
    margin-top: auto;
    padding: 1rem 1.5rem 1.25rem;
    border-top: 1px solid var(--border);
    background: var(--card-bg);
    text-align: center;
}
.site-footer-text {
    margin: 0;
    font-size: .85rem;
    color: var(--text-muted);
}

.settings-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    margin-bottom: 1.25rem;
}
.settings-subnav a {
    display: inline-block;
    padding: .45rem .9rem;
    border-radius: 8px;
    font-size: .9rem;
    font-weight: 500;
    color: var(--text-muted);
    border: 1px solid var(--border);
    background: var(--card-bg);
    text-decoration: none;
}
.settings-subnav a:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    text-decoration: none;
}
.settings-subnav a.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

.project-card {
    text-decoration: none;
    color: inherit;
    transition: transform .2s, box-shadow .2s;
}
.project-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,.1);
    text-decoration: none;
}
.card-icon { font-size: 2rem; margin-bottom: .5rem; }

/* Hero */
.hero {
    text-align: center;
    padding: 3rem 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: var(--radius);
    margin-bottom: 2rem;
}
.hero h1 { font-size: 2rem; margin-bottom: .5rem; }
.hero p { opacity: .9; margin-bottom: 1.5rem; }
.hero-actions { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.hero .btn-primary {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}
.hero .btn-primary:hover {
    background: #f0f4ff;
    color: var(--primary-dark);
    border-color: #f0f4ff;
}
.hero .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,.65);
    background: transparent;
}
.hero .btn-outline:hover {
    background: rgba(255,255,255,.14);
    border-color: rgba(255,255,255,.9);
    color: #fff;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--input-height);
    padding: 0 1.15rem;
    border-radius: var(--input-radius);
    font-size: .9rem;
    font-weight: 600;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: background .2s, border-color .2s, color .2s, box-shadow .2s;
    gap: .45rem;
    line-height: 1.2;
    white-space: nowrap;
}
.btn:hover { text-decoration: none; box-shadow: 0 2px 8px rgba(15, 23, 42, .08); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-light); color: #fff; }
.btn-outline { background: var(--card-bg); border-color: var(--border); color: var(--text); }
.btn-outline:hover { background: #f8fafc; border-color: #c5ced9; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; color: #fff; }
.btn-sm { min-height: 2.25rem; padding: 0 .85rem; font-size: .82rem; }
.btn-lg { min-height: 3rem; padding: 0 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-group { display: flex; gap: .5rem; flex-wrap: wrap; }
.btn-icon { font-size: 1.1rem; text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
.btn-topbar { min-height: 2.5rem; padding: 0 1rem; font-size: .875rem; border-radius: 9px; }
.btn-topbar-light { background: #fff; border: 1px solid var(--border); color: var(--primary); }
.btn-topbar-light:hover { background: #f0f4ff; border-color: var(--primary-light); color: var(--primary-dark); }
.btn-topbar-danger { background: #fff; border: 1px solid #fecaca; color: var(--danger); }
.btn-topbar-danger:hover { background: #fef2f2; border-color: #f87171; color: #b91c1c; }
.btn-icon-svg { font-size: 1rem; line-height: 1; opacity: .85; }

/* Forms — unified control standard */
.form-group { margin-bottom: 1.15rem; }
.form-group label,
.form-label {
    display: block;
    margin-bottom: .45rem;
    font-weight: 600;
    font-size: .875rem;
    color: var(--text);
}
.form-control,
input.form-control,
select.form-control,
textarea.form-control {
    display: block;
    width: 100%;
    min-height: var(--input-height);
    padding: .65rem .95rem;
    border: 1px solid var(--border);
    border-radius: var(--input-radius);
    font-size: .9375rem;
    font-family: inherit;
    color: var(--text);
    background: var(--input-bg);
    transition: border-color .2s, box-shadow .2s, background .2s;
    appearance: none;
    -webkit-appearance: none;
}
textarea.form-control {
    min-height: 7.5rem;
    resize: vertical;
    line-height: 1.5;
    padding-top: .75rem;
    padding-bottom: .75rem;
}
select.form-control {
    padding-right: 2.5rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .85rem center;
    background-size: 1rem;
    cursor: pointer;
}
input[type="search"].form-control { padding-right: .95rem; }
input[type="datetime-local"].form-control,
input[type="date"].form-control,
input[type="email"].form-control,
input[type="password"].form-control,
input[type="number"].form-control,
input[type="text"].form-control {
    line-height: 1.4;
}
.form-control:hover { border-color: #b8c2d0; }
.form-control:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(45, 90, 142, .14);
    background: #fff;
}
.form-control::placeholder { color: #94a3b8; }
.form-control-sm {
    min-height: 2.35rem;
    padding: .45rem .7rem;
    font-size: .875rem;
    border-radius: 8px;
}
.form-control-inline { width: auto; min-width: 11rem; flex: 1 1 11rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
.form-check,
.checkbox-group label.form-check {
    display: flex;
    align-items: flex-start;
    gap: .65rem;
    font-weight: 500;
    font-size: .9rem;
    cursor: pointer;
    margin-right: 0;
    margin-bottom: .65rem;
}
.form-check input[type="checkbox"],
.form-check input[type="radio"],
.checkbox-group input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: .15rem;
    accent-color: var(--primary);
    flex-shrink: 0;
    cursor: pointer;
}
.checkbox-group { display: flex; flex-direction: column; gap: .25rem; }
.form-check-group { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; }
.form-help { display: block; margin-top: .4rem; color: var(--text-muted); font-size: .8125rem; line-height: 1.45; }
.inline-rename-form { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; }
.inline-rename-form .form-control { flex: 1 1 12rem; min-width: 10rem; }

/* Alerts */
.alert {
    padding: .75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: .9rem;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

/* Table */
.table-responsive { overflow-x: auto; }
.file-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.file-table th, .file-table td {
    padding: .75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.file-table th { font-weight: 600; color: var(--text-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.file-table tr:hover { background: #f9fafb; }
.col-check { width: 40px; }
.actions-cell { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.inline-form { display: inline-flex; }

/* File manager */
.file-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.file-filters { display: flex; gap: .65rem; flex-wrap: wrap; flex: 1; align-items: stretch; }
.file-filters .form-control { flex: 1 1 12rem; min-width: 12rem; }
.file-filters .btn { flex-shrink: 0; }

/* Upload zone */
.upload-zone {
    border: 2px dashed var(--border);
    text-align: center;
    cursor: pointer;
    transition: border-color .2s, background .2s;
    margin-bottom: 1rem;
}
.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary-light);
    background: #f0f4ff;
}
.upload-zone-inner { padding: 2rem; }
.upload-icon { font-size: 2.5rem; margin-bottom: .5rem; }
.upload-progress { padding: 1rem; }
.progress-bar {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: .5rem;
}
.progress-fill {
    height: 100%;
    background: var(--primary);
    width: 0%;
    transition: width .3s;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card { text-align: center; padding: 1.25rem; }
.stat-value { display: block; font-size: 1.75rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: .85rem; color: var(--text-muted); }

/* Auth */
.auth-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}
.auth-card { width: 100%; max-width: 420px; }
.auth-card h1 { margin-bottom: 1.25rem; font-size: 1.5rem; }
.auth-footer { margin-top: 1rem; text-align: center; font-size: .9rem; }

/* Misc */
.section { margin-bottom: 2rem; }
.section-header { margin-bottom: 1.25rem; }
.section-header h1, .section-header h2 { font-size: 1.5rem; }
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.text-muted { color: var(--text-muted); font-size: .9rem; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state.centered { padding: 5rem 1rem; }
.badge {
    display: inline-block;
    padding: .2rem .5rem;
    border-radius: 4px;
    font-size: .75rem;
    background: var(--bg);
    color: var(--text-muted);
    font-weight: 500;
}
.badge-public { background: #d1fae5; color: #065f46; }
.badge-guest_allowed { background: #dbeafe; color: #1e40af; }
.badge-shared_only { background: #fef3c7; color: #92400e; }
.badge-private { background: #f3f4f6; color: #374151; }
.badge-superadmin { background: #ede9fe; color: #5b21b6; }
.badge-registered_user { background: #e0f2fe; color: #0369a1; }
.form-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.user-delete-form { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--border); }
.badge-status-inactive { background: #fee2e2; color: #991b1b; }
.row-inactive { opacity: 0.72; }
.row-inactive td { color: var(--text-muted, #6b7280); }
.section-subtitle { margin: 1.5rem 0 0.75rem; font-size: 1.1rem; }
.delete-option { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--border, #e5e7eb); }
.delete-option-danger { border-color: #fecaca; }
.card-inner { padding: 0.5rem 0; }
.btn-danger-outline { color: #b91c1c; border-color: #fca5a5; }
.btn-danger-outline:hover { background: #fef2f2; }
.extra-files-section { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--border, #e5e7eb); }
.upload-zone-extra { border-style: dashed; }
.projects-table .actions-cell .btn-delete-project { font-weight: 600; }
.project-title-link { font-weight: 600; color: var(--primary); text-decoration: none; }
.project-title-link:hover { text-decoration: underline; }
.project-manage-card {
    margin-bottom: 1.25rem;
    border: 2px solid #fecaca;
    background: #fffbfb;
}
.project-manage-title { margin-bottom: .5rem; font-size: 1.05rem; }
.project-manage-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .65rem;
    margin: .75rem 0;
}
.project-manage-hint { margin: 0; font-size: .9rem; }
.btn-manage-hide { border-color: #f59e0b; color: #b45309; }
.btn-manage-hide:hover { background: #fffbeb; }
.purge-check { display: flex; gap: .5rem; align-items: flex-start; margin: 1rem 0; }
.purge-check input { margin-top: .25rem; }
form[data-confirm] button[type=submit] { cursor: pointer; }

.project-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.message-card { margin-bottom: 1rem; }
.message-header { display: flex; gap: 1rem; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; margin-bottom: .5rem; font-size: .9rem; }
.message-header-main { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.form-card h2, .form-card h3 { margin-bottom: 1rem; }
.captcha-page { display: flex; justify-content: center; padding: 2rem 0; }
.captcha-group { margin-top: .5rem; }
.captcha-challenge {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: .75rem;
}
.captcha-image {
    display: block;
    border: 1px solid var(--border);
    border-radius: var(--input-radius);
    background: #f8fafc;
    box-shadow: inset 0 1px 2px rgba(15, 23, 42, .04);
}
.captcha-input { max-width: 12rem; }
.captcha-refresh { flex-shrink: 0; }
.share-page { max-width: 600px; margin: 2rem auto; }
.share-actions { margin-top: 1rem; }
.share-info { margin: 1rem 0; }

/* Image gallery */
.gallery-section { margin-bottom: 2rem; }
.gallery-title { font-size: 1.15rem; margin-bottom: .35rem; color: var(--primary); }
.gallery-hint { margin-bottom: 1rem; font-size: .875rem; }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.15rem;
}
.gallery-card {
    position: relative;
    background: #f8fafc;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.gallery-card-selectable.is-selected,
.gallery-card-selectable:has(.file-checkbox:checked) {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(45, 90, 142, .12);
}
.gallery-check {
    position: absolute;
    top: .65rem;
    left: .65rem;
    z-index: 2;
    cursor: pointer;
}
.gallery-check input { position: absolute; opacity: 0; width: 0; height: 0; }
.gallery-check-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 6px;
    background: rgba(255,255,255,.95);
    border: 2px solid var(--border);
    box-shadow: var(--shadow);
    transition: all .15s;
}
.gallery-check input:checked + .gallery-check-mark {
    background: var(--primary);
    border-color: var(--primary);
}
.gallery-check input:checked + .gallery-check-mark::after {
    content: '✓';
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
}
.gallery-image-link { display: block; aspect-ratio: 4/3; overflow: hidden; background: #e2e8f0; }
.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .25s;
}
.gallery-card:hover .gallery-image { transform: scale(1.03); }
.gallery-meta {
    padding: .75rem;
    display: flex;
    flex-direction: column;
    gap: .35rem;
    align-items: flex-start;
}
.product-number {
    display: inline-block;
    font-weight: 700;
    font-size: .85rem;
    color: var(--primary);
    background: #e8eef5;
    padding: .2rem .55rem;
    border-radius: 6px;
    letter-spacing: .02em;
}
.gallery-filename {
    font-size: .8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}
.gallery-download { margin-top: .25rem; }
.files-table-section.has-gallery-above { margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
.media-section { margin-bottom: 2rem; }
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}
.video-card, .pdf-card {
    position: relative;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.video-player {
    display: block;
    width: 100%;
    max-height: 220px;
    background: #0f172a;
    aspect-ratio: 16 / 9;
    object-fit: contain;
}
.pdf-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}
.pdf-preview-wrap {
    background: #e2e8f0;
    border-bottom: 1px solid var(--border);
}
.pdf-preview-frame {
    display: block;
    width: 100%;
    height: 420px;
    border: 0;
    background: #fff;
}
.audio-list { display: flex; flex-direction: column; gap: .75rem; }
.audio-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
}
.audio-card-body { flex: 1; min-width: 200px; }
.audio-player { width: 100%; margin-top: .5rem; }
.audio-checkbox { flex-shrink: 0; width: 1.1rem; height: 1.1rem; }
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    border: 0;
}

/* Language switcher */
.lang-switcher { display: flex; gap: .35rem; flex-wrap: wrap; }
.lang-link {
    display: inline-block;
    padding: .25rem .55rem;
    border-radius: 6px;
    font-size: .75rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--text-muted);
    border: 1px solid var(--border);
    background: var(--card-bg);
}
.lang-link:hover { color: var(--primary); border-color: var(--primary-light); text-decoration: none; }
.lang-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.sidebar-footer .lang-switcher { margin-bottom: .5rem; }
.topbar-lang { display: flex; align-items: center; }
.topbar-actions .topbar-lang { margin-left: .25rem; }
.topbar { justify-content: space-between; }

/* Admin sidebar polish */
.sidebar-admin .sidebar-brand a {
    display: flex;
    align-items: center;
    gap: .5rem;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
}
.brand-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 8px;
    background: rgba(255,255,255,.15);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.sidebar-footer-admin { gap: .75rem; }
.sidebar-user {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: .65rem;
    background: rgba(255,255,255,.08);
    border-radius: 10px;
}
.sidebar-user-avatar {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .9rem;
    flex-shrink: 0;
}
.sidebar-user-name { display: block; font-size: .875rem; font-weight: 600; line-height: 1.3; }
.sidebar-user-role { display: block; font-size: .75rem; opacity: .7; }
.sidebar-admin .lang-link { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.2); color: rgba(255,255,255,.9); }
.sidebar-admin .lang-link:hover { background: rgba(255,255,255,.18); color: #fff; }
.sidebar-admin .lang-link.active { background: #fff; color: var(--primary); border-color: #fff; }

/* Profile */
.profile-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 1.25rem;
    align-items: start;
}
.profile-summary { text-align: center; }
.profile-avatar {
    width: 72px; height: 72px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    font-size: 1.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.profile-meta { list-style: none; text-align: left; margin-top: 1.25rem; }
.profile-meta li {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: .5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: .9rem;
}
.profile-meta li:last-child { border-bottom: none; }
.profile-form h3 {
    font-size: 1rem;
    margin: 1.25rem 0 .75rem;
    padding-bottom: .35rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
}
.profile-form h3:first-child { margin-top: 0; }
.form-actions { display: flex; gap: .75rem; margin-top: 1.25rem; flex-wrap: wrap; }
.form-group-action { display: flex; flex-direction: column; justify-content: flex-end; }
.form-group-action .btn { width: 100%; }
.settings-form h3,
.settings-page .form-card h3 {
    font-size: 1rem;
    margin: 1.25rem 0 .75rem;
    padding-bottom: .35rem;
    border-bottom: 1px solid var(--border);
    color: var(--primary);
}
.settings-form h3:first-child { margin-top: 0; }
.smtp-note { margin-bottom: 1rem; font-size: .875rem; }
.test-mail-form { margin-top: .5rem; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-wrapper { margin-left: 0; }
    .sidebar-toggle { display: block; }
    .form-row { grid-template-columns: 1fr; }
    .file-toolbar { flex-direction: column; align-items: stretch; }
    .hero h1 { font-size: 1.5rem; }
    .profile-grid { grid-template-columns: 1fr; }
    .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
    .topbar-actions .btn-topbar span:not(.btn-icon-svg) { display: none; }
    .topbar-actions .btn-topbar { padding: 0 .75rem; min-width: 2.5rem; }
    .admin-topbar { flex-wrap: wrap; gap: .75rem; }
}