:root {
    --color-primary: #1a73e8;
    --color-primary-dark: #1557b0;
    --color-primary-light: #e8f0fe;
    --color-success: #0d9f6e;
    --color-danger: #dc3545;
    --color-warning: #f59e0b;
    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-border: #e5e7eb;
    --color-bg: #f3f4f6;
    --color-white: #ffffff;
    --sidebar-width: 260px;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,.08);
    --font: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body.admin-body {
    margin: 0;
    font-family: var(--font);
    font-size: 14px;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.5;
}

.admin-layout { display: flex; min-height: 100vh; }

.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--color-white);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 700;
    font-size: 16px;
    border-bottom: 1px solid var(--color-border);
}

.admin-brand__icon { font-size: 22px; }

.admin-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }

.admin-nav__section {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-text-muted);
    padding: 16px 12px 6px;
}

.admin-nav__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 2px;
    transition: background .15s;
}

.admin-nav__item:hover { background: var(--color-bg); }
.admin-nav__item.is-active { background: var(--color-primary-light); color: var(--color-primary); }
.admin-nav__item--disabled { opacity: .45; pointer-events: none; }

.admin-sidebar__footer {
    padding: 16px;
    border-top: 1px solid var(--color-border);
}

.admin-user { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.admin-user__avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600;
}

.admin-user__info strong { display: block; font-size: 13px; }
.admin-user__info small { color: var(--color-text-muted); font-size: 11px; }

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

.admin-topbar {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 28px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.admin-page-title { margin: 0; font-size: 22px; font-weight: 700; }
.admin-page-subtitle { margin: 4px 0 0; color: var(--color-text-muted); font-size: 13px; }

.admin-content { padding: 24px 28px; }

.card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card__header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .03em;
    color: var(--color-text-muted);
}

.card__body { padding: 20px; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    transition: all .15s;
    line-height: 1.4;
}

.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-outline { background: #fff; border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { background: var(--color-bg); }
.btn-danger { background: var(--color-danger); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }

.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 6px; }
.form-label .required { color: var(--color-danger); }
.form-hint { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    color: var(--color-text);
    background: #fff;
    transition: border-color .15s;
}

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

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

.form-row { display: grid; gap: 16px; }
.form-row--2 { grid-template-columns: 1fr 1fr; }
.form-row--3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
    .form-row--2, .form-row--3, .form-row--4 { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .admin-main { margin-left: 0; }
}

.form-tabs {
    display: flex;
    gap: 4px;
    padding: 4px;
    background: var(--color-bg);
    border-radius: 10px;
    margin-bottom: 20px;
    overflow-x: auto;
}

.form-tab {
    flex: 1;
    min-width: max-content;
    padding: 10px 14px;
    border: none;
    background: transparent;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    color: var(--color-text-muted);
    cursor: pointer;
    white-space: nowrap;
    transition: all .15s;
}

.form-tab:hover { color: var(--color-text); }
.form-tab.is-active { background: #fff; color: var(--color-primary); box-shadow: var(--shadow); }

.tab-panel { display: none; }
.tab-panel.is-active { display: block; }

.feature-section { margin-bottom: 28px; }
.feature-section__title {
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-primary-light);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 8px;
}

.feature-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: all .15s;
}

.feature-check:hover { border-color: var(--color-primary); }
.feature-check input { accent-color: var(--color-primary); }
.feature-check:has(input:checked) { background: var(--color-primary-light); border-color: var(--color-primary); }

.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all .15s;
    background: #fafafa;
}

.upload-zone:hover, .upload-zone.is-dragover {
    border-color: var(--color-primary);
    background: var(--color-primary-light);
}

.upload-zone__icon { font-size: 28px; margin-bottom: 8px; }
.upload-zone__text { font-size: 13px; color: var(--color-text-muted); }

.upload-preview { position: relative; display: inline-block; margin-top: 10px; }
.upload-preview img {
    max-width: 160px;
    max-height: 120px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--color-border);
}

.upload-preview__remove {
    position: absolute;
    top: -6px; right: -6px;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: var(--color-danger);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 12px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.gallery-item img { width: 100%; height: 90px; object-fit: cover; display: block; }

.gallery-item__actions {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    opacity: 0;
    transition: opacity .15s;
}

.gallery-item:hover .gallery-item__actions { opacity: 1; }

.map-container {
    height: 400px;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
    margin-top: 12px;
}

.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.data-table th { font-size: 12px; text-transform: uppercase; color: var(--color-text-muted); font-weight: 600; }
.data-table tr:hover td { background: #fafafa; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}
.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-muted { background: #f3f4f6; color: #6b7280; }

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

.form-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid var(--color-border);
    margin-top: 8px;
}

.char-counter { font-size: 11px; color: var(--color-text-muted); text-align: right; margin-top: 4px; }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
}

.login-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,.2);
}

.login-card h1 { margin: 0 0 8px; font-size: 24px; }
.login-card p { color: var(--color-text-muted); margin: 0 0 24px; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

.stat-card__value { font-size: 28px; font-weight: 700; color: var(--color-primary); }
.stat-card__label { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }

.hidden-input { display: none; }