:root {
    --admin-bg: #f4f6f9;
    --admin-surface: #ffffff;
    --admin-surface-soft: #f8fafc;
    --admin-text: #182230;
    --admin-muted: #667085;
    --admin-border: #e4e7ec;
    --admin-primary: #03224c;
    --admin-primary-hover: #0b346f;
    --admin-accent: #f59e0b;
    --admin-danger: #b42318;
    --admin-danger-soft: #fff1f0;
    --admin-success: #067647;
    --admin-shadow: 0 12px 30px rgba(16, 24, 40, .07);
    --admin-radius: 16px;
}

.admin-body {
    min-height: 100vh;
    background: var(--admin-bg);
    color: var(--admin-text);
}

.admin-body .App { min-height: 100vh; }
.admin-body h1, .admin-body h2, .admin-body p { margin-top: 0; }
.admin-body button, .admin-body input, .admin-body textarea, .admin-body select { font: inherit; }

.admin-page {
    width: min(1480px, calc(100% - 48px));
    margin: 0 auto;
    padding: 42px 0 72px;
}

.admin-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.admin-page-header h1 {
    margin-bottom: 8px;
    font-size: clamp(2rem, 3vw, 2.75rem);
    line-height: 1.1;
    letter-spacing: -.04em;
}

.admin-page-header p:not(.admin-eyebrow) { margin-bottom: 0; color: var(--admin-muted); font-size: 1rem; }
.admin-eyebrow { margin-bottom: 7px; color: var(--admin-accent); font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }

.admin-card,
.admin-empty-state {
    background: var(--admin-surface);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow);
}

.admin-card { overflow: hidden; }
.admin-card-header { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 24px 26px; border-bottom: 1px solid var(--admin-border); }
.admin-card-header h2 { margin-bottom: 0; font-size: 1.25rem; }
.admin-form-card { padding: 30px; }

.admin-button {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 17px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-weight: 750;
    line-height: 1.15;
    text-decoration: none;
    cursor: pointer;
    transition: transform .15s ease, background-color .15s ease, border-color .15s ease, box-shadow .15s ease;
}

.admin-button:hover { transform: translateY(-1px); }
.admin-button-primary { background: var(--admin-primary); color: #fff; box-shadow: 0 5px 14px rgba(3, 34, 76, .18); }
.admin-button-primary:hover { background: var(--admin-primary-hover); }
.admin-button-secondary { background: #fff; color: var(--admin-primary); border-color: #cdd5df; }
.admin-button-secondary:hover { border-color: var(--admin-primary); background: #f8fafc; }
.admin-button-ghost { color: var(--admin-muted); background: transparent; }
.admin-button-ghost:hover { color: var(--admin-text); background: #eef2f6; }
.admin-button-danger { color: var(--admin-danger); background: var(--admin-danger-soft); border-color: #fecdca; }
.admin-button-danger:hover { background: #fee4e2; border-color: #fda29b; }
.admin-button-small { min-height: 36px; padding: 8px 12px; font-size: .875rem; }
.admin-button-block { width: 100%; }

.admin-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; margin-bottom: 28px; }
.admin-stat-card { display: flex; align-items: center; gap: 17px; min-height: 126px; padding: 22px; background: var(--admin-surface); border: 1px solid var(--admin-border); border-radius: var(--admin-radius); box-shadow: var(--admin-shadow); }
.admin-stat-card strong { display: block; font-size: 2rem; line-height: 1; }
.admin-stat-card span:last-child { display: block; margin-top: 7px; color: var(--admin-muted); }
.admin-stat-icon, .admin-action-icon, .admin-empty-icon { position: relative; display: inline-grid; flex: 0 0 auto; width: 52px; height: 52px; place-items: center; border-radius: 14px; background: #fff7e6; color: var(--admin-accent); }
.admin-stat-icon::before, .admin-action-icon::before, .admin-empty-icon::before { font-size: 1.45rem; }
.admin-stat-icon-photos::before { content: "▣"; }
.admin-stat-icon-diapos::before { content: "▤"; }
.admin-stat-icon-users::before { content: "●●"; font-size: .86rem; letter-spacing: -2px; }

.admin-action-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding: 24px; }
.admin-action-card { display: flex; align-items: center; gap: 15px; min-height: 110px; padding: 18px; color: var(--admin-text); border: 1px solid var(--admin-border); border-radius: 14px; text-decoration: none; transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease; }
.admin-action-card:hover { transform: translateY(-2px); border-color: #b8c3d1; box-shadow: 0 10px 24px rgba(16, 24, 40, .08); }
.admin-action-card strong, .admin-action-card small { display: block; }
.admin-action-card small { margin-top: 6px; color: var(--admin-muted); line-height: 1.4; }
.admin-action-arrow { margin-left: auto; color: var(--admin-accent); font-size: 1.35rem; }

.admin-gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(285px, 1fr)); gap: 22px; }
.admin-photo-card { overflow: hidden; background: #fff; border: 1px solid var(--admin-border); border-radius: var(--admin-radius); box-shadow: var(--admin-shadow); }
.admin-photo-media { position: relative; overflow: hidden; height: 235px; background: #e9edf3; }
.admin-photo-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .25s ease; }
.admin-photo-card:hover .admin-photo-media img { transform: scale(1.025); }
.admin-photo-content { padding: 18px; }
.admin-photo-meta { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.admin-photo-meta strong { overflow: hidden; max-width: 72%; text-overflow: ellipsis; white-space: nowrap; }
.admin-photo-meta span { flex: 0 0 auto; color: var(--admin-muted); font-size: .82rem; }
.admin-card-description { color: var(--admin-muted); }
.admin-inline-upload { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; margin: 14px 0 10px; }
.admin-compact-file { display: flex; align-items: center; min-width: 0; padding: 9px 11px; border: 1px dashed #b8c3d1; border-radius: 10px; background: var(--admin-surface-soft); cursor: pointer; }
.admin-compact-file span { overflow: hidden; color: var(--admin-muted); font-size: .82rem; text-overflow: ellipsis; white-space: nowrap; }
.admin-compact-file input { position: absolute; width: 1px; height: 1px; opacity: 0; }

.admin-form { display: flex; flex-direction: column; gap: 20px; }
.admin-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.admin-form label:not(.admin-dropzone), .admin-form-group { display: flex; flex-direction: column; gap: 8px; }
.admin-form label > span { font-size: .9rem; font-weight: 750; }
.admin-form label > small { color: var(--admin-muted); font-size: .8rem; }
.admin-form input:not(.admin-file-input), .admin-form textarea, .admin-form select,
.admin-upload-form input:not(.admin-file-input) { width: 100%; min-height: 46px; padding: 10px 13px; color: var(--admin-text); background: #fff; border: 1px solid #cdd5df; border-radius: 10px; outline: 0; transition: border-color .15s ease, box-shadow .15s ease; }
.admin-form input:focus, .admin-form textarea:focus, .admin-form select:focus { border-color: #4779ba; box-shadow: 0 0 0 4px rgba(71, 121, 186, .12); }
.admin-form textarea { min-height: 220px; resize: vertical; }
.admin-field-full, .admin-form-actions-full { grid-column: 1 / -1; }
.admin-form-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; padding-top: 5px; }
.admin-current-image { display: flex; flex-direction: column; gap: 10px; }
.admin-current-image > span { font-size: .9rem; font-weight: 750; }
.admin-current-image img { width: min(100%, 620px); max-height: 340px; object-fit: cover; border: 1px solid var(--admin-border); border-radius: 13px; }

.admin-upload-form { display: flex; flex-direction: column; gap: 22px; }
.admin-dropzone { position: relative; display: flex; min-height: 250px; align-items: center; justify-content: center; flex-direction: column; gap: 9px; padding: 28px; text-align: center; border: 2px dashed #b8c3d1; border-radius: 16px; background: var(--admin-surface-soft); cursor: pointer; transition: border-color .15s ease, background .15s ease; }
.admin-dropzone:hover, .admin-dropzone.is-dragging { border-color: var(--admin-accent); background: #fffaf0; }
.admin-dropzone-compact { min-height: 175px; }
.admin-file-input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.admin-dropzone-icon { display: grid; width: 52px; height: 52px; place-items: center; border-radius: 50%; background: #fff; color: var(--admin-primary); box-shadow: 0 5px 16px rgba(16, 24, 40, .09); font-size: 1.7rem; }
.admin-dropzone strong { font-size: 1.05rem; }
.admin-dropzone span:not(.admin-dropzone-icon), .admin-dropzone small { color: var(--admin-muted); }
.admin-upload-summary { padding: 11px 14px; color: var(--admin-primary); background: #eef4ff; border-radius: 10px; font-weight: 700; }
.admin-preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 14px; }
.admin-preview-item { overflow: hidden; border: 1px solid var(--admin-border); border-radius: 12px; background: #fff; }
.admin-preview-item img { display: block; width: 100%; height: 125px; object-fit: cover; }
.admin-preview-item span { display: block; overflow: hidden; padding: 9px 10px; color: var(--admin-muted); font-size: .78rem; text-overflow: ellipsis; white-space: nowrap; }

.admin-empty-state { display: flex; min-height: 390px; align-items: center; justify-content: center; flex-direction: column; padding: 45px; text-align: center; }
.admin-empty-state .admin-empty-icon { width: 66px; height: 66px; margin-bottom: 18px; }
.admin-empty-state h2 { margin-bottom: 8px; }
.admin-empty-state p { margin-bottom: 22px; color: var(--admin-muted); }

.admin-table-wrap { width: 100%; overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 16px 20px; border-bottom: 1px solid var(--admin-border); text-align: left; vertical-align: middle; }
.admin-table th { color: var(--admin-muted); background: var(--admin-surface-soft); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; }
.admin-table tbody tr:last-child td { border-bottom: 0; }
.admin-table tbody tr:hover { background: #fbfcfe; }
.admin-table-actions-title { text-align: right !important; }
.admin-user-cell { display: flex; align-items: center; gap: 12px; min-width: 190px; }
.admin-user-cell strong, .admin-user-cell small { display: block; }
.admin-user-cell small { margin-top: 4px; color: var(--admin-muted); font-size: .78rem; }
.admin-user-avatar { display: grid; flex: 0 0 auto; width: 40px; height: 40px; place-items: center; color: #fff; background: var(--admin-primary); border-radius: 50%; font-size: .78rem; font-weight: 800; }
.admin-badge { display: inline-flex; padding: 5px 9px; color: #344054; background: #f2f4f7; border-radius: 999px; font-size: .78rem; font-weight: 750; }
.admin-badge-admin { color: #92400e; background: #fffaeb; }
.admin-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.admin-actions form { margin: 0; }
.admin-actions-stretch > *, .admin-actions-stretch form, .admin-actions-stretch form button { flex: 1; }

.flash-container { top: 88px; right: 24px; }
.flash { border: 1px solid var(--admin-border); border-left-width: 5px; border-radius: 10px; box-shadow: var(--admin-shadow); }
.flash-success { border-left-color: var(--admin-success); }
.flash-error { border-left-color: var(--admin-danger); }

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

@media (max-width: 980px) {
    .admin-page { width: min(100% - 28px, 1480px); padding-top: 28px; }
    .admin-page-header { align-items: stretch; flex-direction: column; }
    .admin-page-header > .admin-button { align-self: flex-start; }
    .admin-stats, .admin-action-grid { grid-template-columns: 1fr; }
    .admin-form-grid { grid-template-columns: 1fr; }
    .admin-field-full, .admin-form-actions-full { grid-column: auto; }
}

@media (max-width: 640px) {
    .admin-page { width: min(100% - 20px, 1480px); padding: 22px 0 44px; }
    .admin-page-header h1 { font-size: 2rem; }
    .admin-form-card { padding: 18px; }
    .admin-gallery { grid-template-columns: 1fr; }
    .admin-inline-upload { grid-template-columns: 1fr; }
    .admin-form-actions { align-items: stretch; flex-direction: column-reverse; }
    .admin-form-actions .admin-button { width: 100%; }
    .admin-actions { align-items: stretch; flex-direction: column; }
    .admin-actions .admin-button, .admin-actions form, .admin-actions form .admin-button { width: 100%; }
    .admin-table th, .admin-table td { padding: 13px 15px; }
    .flash-container { top: 74px; right: 10px; left: 10px; max-width: none; }
}
.admin-upload-summary.is-error { color: var(--admin-danger); background: var(--admin-danger-soft); }
.admin-button:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }