/* KMV Image Host — Admin Theme */
:root {
    --kmv-bg-deep: #0B1220;
    --kmv-bg-base: #111827;
    --kmv-bg-surface: #1E293B;
    --kmv-bg-elevated: #243044;
    --kmv-border: rgba(148, 163, 184, 0.12);
    --kmv-border-strong: rgba(148, 163, 184, 0.22);
    --kmv-text: #F1F5F9;
    --kmv-text-muted: #94A3B8;
    --kmv-text-dim: #64748B;
    --kmv-purple: #7C3AED;
    --kmv-purple-hover: #6D28D9;
    --kmv-purple-glow: rgba(124, 58, 237, 0.25);
    --kmv-blue: #3B82F6;
    --kmv-blue-hover: #2563EB;
    --kmv-blue-glow: rgba(59, 130, 246, 0.2);
    --kmv-success: #10B981;
    --kmv-success-bg: rgba(16, 185, 129, 0.12);
    --kmv-warning: #F59E0B;
    --kmv-warning-bg: rgba(245, 158, 11, 0.12);
    --kmv-danger: #EF4444;
    --kmv-danger-bg: rgba(239, 68, 68, 0.12);
    --kmv-info: #38BDF8;
    --kmv-info-bg: rgba(56, 189, 248, 0.12);
    --kmv-radius: 10px;
    --kmv-radius-lg: 14px;
    --kmv-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
    --kmv-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
    --kmv-sidebar-width: 260px;
    --kmv-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --kmv-mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;
    --kmv-transition: 0.18s ease;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--kmv-font);
    background: var(--kmv-bg-deep);
    color: var(--kmv-text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--kmv-blue); text-decoration: none; transition: color var(--kmv-transition); }
a:hover { color: #60A5FA; }

img { max-width: 100%; height: auto; display: block; }

/* ── Layout: Admin Shell ── */
.admin-shell {
    display: flex;
    min-height: 100vh;
    background: var(--kmv-bg-deep);
}

.admin-sidebar {
    width: var(--kmv-sidebar-width);
    flex-shrink: 0;
    background: var(--kmv-bg-base);
    border-right: 1px solid var(--kmv-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

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

.admin-topbar {
    background: var(--kmv-bg-base);
    border-bottom: 1px solid var(--kmv-border);
    padding: 0 1.75rem;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.admin-content {
    flex: 1;
    padding: 1.75rem;
    max-width: 1400px;
    width: 100%;
}

/* ── Sidebar Brand & Nav ── */
.sidebar-brand {
    padding: 1.5rem 1.25rem 1rem;
    border-bottom: 1px solid var(--kmv-border);
}

.sidebar-brand__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--kmv-text);
}

.sidebar-brand__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--kmv-radius);
    background: linear-gradient(135deg, var(--kmv-purple), var(--kmv-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-brand__title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.sidebar-brand__subtitle {
    font-size: 0.7rem;
    color: var(--kmv-text-muted);
    margin-top: 2px;
}

.sidebar-nav {
    padding: 1rem 0.75rem;
    flex: 1;
}

.sidebar-nav__section {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--kmv-text-dim);
    padding: 0.75rem 0.75rem 0.35rem;
}

.sidebar-nav__link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 0.85rem;
    border-radius: var(--kmv-radius);
    color: var(--kmv-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--kmv-transition);
    margin-bottom: 2px;
    border: none;
    background: none;
    width: 100%;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
}

.sidebar-nav__link:hover {
    background: var(--kmv-bg-surface);
    color: var(--kmv-text);
}

.sidebar-nav__link.active {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.18), rgba(59, 130, 246, 0.12));
    color: var(--kmv-text);
    box-shadow: inset 3px 0 0 var(--kmv-purple);
}

.sidebar-nav__icon {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    opacity: 0.85;
}

.sidebar-footer {
    padding: 1rem 0.75rem;
    border-top: 1px solid var(--kmv-border);
}

.sidebar-footer__text {
    font-size: 0.7rem;
    color: var(--kmv-text-dim);
    text-align: center;
    padding: 0.5rem;
}

/* ── Page Header ── */
.page-header {
    margin-bottom: 1.75rem;
}

.page-header__row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--kmv-text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.page-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ── Cards ── */
.card {
    background: var(--kmv-bg-base);
    border: 1px solid var(--kmv-border);
    border-radius: var(--kmv-radius-lg);
    box-shadow: var(--kmv-shadow-sm);
    overflow: hidden;
}

.card__header {
    padding: 1.15rem 1.35rem;
    border-bottom: 1px solid var(--kmv-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.card__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.card__body { padding: 1.35rem; }
.card__body--flush { padding: 0; }
.card__footer {
    padding: 1rem 1.35rem;
    border-top: 1px solid var(--kmv-border);
    background: rgba(0, 0, 0, 0.15);
}

/* ── Stats Grid ── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.stat-card {
    background: var(--kmv-bg-base);
    border: 1px solid var(--kmv-border);
    border-radius: var(--kmv-radius-lg);
    padding: 1.25rem 1.35rem;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--kmv-purple), var(--kmv-blue));
    opacity: 0.7;
}

.stat-card__label {
    font-size: 0.8rem;
    color: var(--kmv-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
}

.stat-card__value {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.stat-card__meta {
    font-size: 0.8rem;
    color: var(--kmv-text-dim);
    margin-top: 0.35rem;
}

/* ── Tables ── */
.table-wrap { overflow-x: auto; }

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: 0.85rem 1.15rem;
    text-align: left;
    border-bottom: 1px solid var(--kmv-border);
    vertical-align: middle;
}

.table th {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--kmv-text-muted);
    background: rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

.table tbody tr { transition: background var(--kmv-transition); }
.table tbody tr:hover { background: rgba(124, 58, 237, 0.04); }
.table tbody tr:last-child td { border-bottom: none; }

.table__thumb {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    object-fit: cover;
    background: var(--kmv-bg-surface);
    border: 1px solid var(--kmv-border);
}

.table__actions {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.table-empty {
    text-align: center;
    padding: 2.5rem 1rem;
    color: var(--kmv-text-muted);
}

/* ── Forms ── */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.15rem;
}

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

.form-group { margin-bottom: 1.15rem; }
.form-group:last-child { margin-bottom: 0; }

.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--kmv-text-muted);
    margin-bottom: 0.4rem;
}

.form-label .required { color: var(--kmv-danger); }

.form-control {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--kmv-bg-surface);
    border: 1px solid var(--kmv-border-strong);
    border-radius: var(--kmv-radius);
    color: var(--kmv-text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color var(--kmv-transition), box-shadow var(--kmv-transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--kmv-purple);
    box-shadow: 0 0 0 3px var(--kmv-purple-glow);
}

.form-control::placeholder { color: var(--kmv-text-dim); }

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

.form-hint {
    font-size: 0.78rem;
    color: var(--kmv-text-dim);
    margin-top: 0.35rem;
}

.form-error {
    font-size: 0.78rem;
    color: var(--kmv-danger);
    margin-top: 0.35rem;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--kmv-purple);
    cursor: pointer;
}

.form-check__label {
    font-size: 0.9rem;
    color: var(--kmv-text-muted);
}

.form-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--kmv-border);
}

.form-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.form-section__title {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.35rem;
    color: var(--kmv-text);
}

.form-section__desc {
    font-size: 0.82rem;
    color: var(--kmv-text-muted);
    margin: 0 0 1.15rem;
}

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-row .form-group { flex: 1; min-width: 200px; }

.input-group {
    display: flex;
    gap: 0.5rem;
}

.input-group .form-control { flex: 1; }

.copy-field {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.copy-field__label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--kmv-text-muted);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.copy-field__input {
    font-family: var(--kmv-mono);
    font-size: 0.78rem;
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.6rem 1.15rem;
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--kmv-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--kmv-transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--kmv-purple), #6366F1);
    color: #fff;
    box-shadow: 0 2px 12px var(--kmv-purple-glow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--kmv-purple-hover), #4F46E5);
    color: #fff;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--kmv-bg-surface);
    color: var(--kmv-text);
    border-color: var(--kmv-border-strong);
}

.btn-secondary:hover {
    background: var(--kmv-bg-elevated);
    color: var(--kmv-text);
}

.btn-blue {
    background: var(--kmv-blue);
    color: #fff;
}

.btn-blue:hover {
    background: var(--kmv-blue-hover);
    color: #fff;
}

.btn-danger {
    background: var(--kmv-danger-bg);
    color: var(--kmv-danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: var(--kmv-danger);
    color: #fff;
}

.btn-ghost {
    background: transparent;
    color: var(--kmv-text-muted);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--kmv-bg-surface);
    color: var(--kmv-text);
}

.btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 0.95rem; }
.btn-block { width: 100%; }

/* ── Badges ── */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.55rem;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge-purple { background: rgba(124, 58, 237, 0.18); color: #A78BFA; }
.badge-blue { background: rgba(59, 130, 246, 0.18); color: #93C5FD; }
.badge-green { background: var(--kmv-success-bg); color: #6EE7B7; }
.badge-yellow { background: var(--kmv-warning-bg); color: #FCD34D; }
.badge-red { background: var(--kmv-danger-bg); color: #FCA5A5; }
.badge-gray { background: rgba(148, 163, 184, 0.15); color: var(--kmv-text-muted); }

/* ── Alerts ── */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.85rem 1.1rem;
    border-radius: var(--kmv-radius);
    font-size: 0.875rem;
    margin-bottom: 1.15rem;
    border: 1px solid transparent;
}

.alert__icon { flex-shrink: 0; font-size: 1.1rem; line-height: 1.4; }
.alert__content { flex: 1; }
.alert__title { font-weight: 600; margin-bottom: 0.15rem; }
.alert__message { margin: 0; }

.alert-success {
    background: var(--kmv-success-bg);
    border-color: rgba(16, 185, 129, 0.25);
    color: #6EE7B7;
}

.alert-error {
    background: var(--kmv-danger-bg);
    border-color: rgba(239, 68, 68, 0.25);
    color: #FCA5A5;
}

.alert-warning {
    background: var(--kmv-warning-bg);
    border-color: rgba(245, 158, 11, 0.25);
    color: #FCD34D;
}

.alert-info {
    background: var(--kmv-info-bg);
    border-color: rgba(56, 189, 248, 0.25);
    color: #7DD3FC;
}

/* ── Pagination ── */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 1rem;
    flex-wrap: wrap;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 0.5rem;
    border-radius: var(--kmv-radius);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--kmv-transition);
}

.pagination a {
    background: var(--kmv-bg-surface);
    color: var(--kmv-text-muted);
    border: 1px solid var(--kmv-border);
}

.pagination a:hover {
    background: var(--kmv-bg-elevated);
    color: var(--kmv-text);
    border-color: var(--kmv-border-strong);
}

.pagination .active span {
    background: linear-gradient(135deg, var(--kmv-purple), var(--kmv-blue));
    color: #fff;
    border: none;
}

.pagination .disabled span {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Filters Bar ── */
.filters-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: flex-end;
    padding: 1.15rem 1.35rem;
    border-bottom: 1px solid var(--kmv-border);
    background: rgba(0, 0, 0, 0.12);
}

.filters-bar .form-group { margin-bottom: 0; flex: 1; min-width: 160px; }

/* ── Upload Dropzone ── */
.upload-zone {
    border: 2px dashed var(--kmv-border-strong);
    border-radius: var(--kmv-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    background: rgba(124, 58, 237, 0.03);
    transition: all var(--kmv-transition);
    cursor: pointer;
    position: relative;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--kmv-purple);
    background: rgba(124, 58, 237, 0.08);
    box-shadow: 0 0 0 4px var(--kmv-purple-glow);
}

.upload-zone__icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.7;
}

.upload-zone__title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
}

.upload-zone__hint {
    font-size: 0.85rem;
    color: var(--kmv-text-muted);
}

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

.upload-preview {
    margin-top: 1.25rem;
    display: none;
}

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

.upload-preview__img {
    max-height: 200px;
    margin: 0 auto;
    border-radius: var(--kmv-radius);
    border: 1px solid var(--kmv-border);
}

.upload-preview__name {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--kmv-text-muted);
}

/* ── Image Detail ── */
.image-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.image-preview {
    background: var(--kmv-bg-surface);
    border-radius: var(--kmv-radius-lg);
    border: 1px solid var(--kmv-border);
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 280px;
}

.image-preview img {
    max-height: 400px;
    border-radius: var(--kmv-radius);
}

.meta-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.meta-list li {
    display: flex;
    justify-content: space-between;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--kmv-border);
    font-size: 0.875rem;
}

.meta-list li:last-child { border-bottom: none; }

.meta-list__label { color: var(--kmv-text-muted); }
.meta-list__value { font-weight: 500; text-align: right; word-break: break-all; max-width: 60%; }

/* ── Storage ── */
.progress-bar {
    height: 10px;
    background: var(--kmv-bg-surface);
    border-radius: 999px;
    overflow: hidden;
    margin: 0.5rem 0;
}

.progress-bar__fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--kmv-purple), var(--kmv-blue));
    transition: width 0.4s ease;
}

.storage-breakdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.breakdown-item {
    text-align: center;
    padding: 1rem;
    background: var(--kmv-bg-surface);
    border-radius: var(--kmv-radius);
    border: 1px solid var(--kmv-border);
}

.breakdown-item__percent {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--kmv-purple);
}

.breakdown-item__label {
    font-size: 0.78rem;
    color: var(--kmv-text-muted);
    margin-top: 0.25rem;
}

.breakdown-item__size {
    font-size: 0.75rem;
    color: var(--kmv-text-dim);
}

/* ── Auth Layout ── */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background: var(--kmv-bg-deep);
    position: relative;
    overflow: hidden;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, var(--kmv-purple-glow) 0%, transparent 70%);
    pointer-events: none;
}

.auth-page::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, var(--kmv-blue-glow) 0%, transparent 70%);
    pointer-events: none;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: var(--kmv-bg-base);
    border: 1px solid var(--kmv-border);
    border-radius: var(--kmv-radius-lg);
    box-shadow: var(--kmv-shadow);
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.auth-brand {
    text-align: center;
    margin-bottom: 1.75rem;
}

.auth-brand__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--kmv-radius-lg);
    background: linear-gradient(135deg, var(--kmv-purple), var(--kmv-blue));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 0.75rem;
}

.auth-brand__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
}

.auth-brand__subtitle {
    font-size: 0.82rem;
    color: var(--kmv-text-muted);
    margin: 0;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.75rem;
    color: var(--kmv-text-dim);
}

/* ── Utility ── */
.text-muted { color: var(--kmv-text-muted); }
.text-dim { color: var(--kmv-text-dim); }
.text-success { color: var(--kmv-success); }
.text-danger { color: var(--kmv-danger); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 1rem; }
.gap-2 { gap: 1rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* Mobile sidebar toggle */
.sidebar-toggle {
    display: none;
    background: var(--kmv-bg-surface);
    border: 1px solid var(--kmv-border);
    color: var(--kmv-text);
    border-radius: var(--kmv-radius);
    padding: 0.45rem 0.65rem;
    cursor: pointer;
    font-size: 1.1rem;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 99;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .image-detail { grid-template-columns: 1fr; }
    .form-grid--2 { grid-template-columns: 1fr; }
    .storage-breakdown { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform var(--kmv-transition);
    }

    .admin-sidebar.open { transform: translateX(0); }

    .admin-main { margin-left: 0; }

    .sidebar-toggle { display: inline-flex; }

    .sidebar-overlay.open { display: block; }

    .admin-content { padding: 1.15rem; }

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

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

    .page-header__row { flex-direction: column; }
}