/* ============================================================
   DRONE CMS · ADMIN (NAS edition)
   Технологичный белый интерфейс с триколор-акцентами
   ============================================================ */

body.admin {
    background: var(--bg-soft);
    color: var(--text);
    font-size: var(--fs-sm);
}

/* ---------- LAYOUT ---------- */
.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* ---------- SIDEBAR ---------- */
.admin-sidebar {
    background: var(--nas-white);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
    position: sticky; top: 0; height: 100vh;
    overflow-y: auto;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 12px;
    padding: 22px 20px 18px;
    border-bottom: 1px solid var(--border);
    text-decoration: none; color: var(--text);
}
.sidebar-brand__logo {
    height: 38px;
    width: auto;
    display: block;
    flex-shrink: 0;
}
.sidebar-brand__text { line-height: 1.1; }
.sidebar-brand__name { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-md); }
.sidebar-brand__sub  { font-size: var(--fs-xxs); color: var(--text-muted); font-family: var(--font-mono); letter-spacing: .04em; }

.sidebar-nav { padding: 14px 12px 0; flex: 1; }
.sidebar-section-title {
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .14em;
    color: var(--text-muted);
    padding: 18px 10px 8px;
}
.sidebar-link {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px;
    border-radius: var(--r-sm);
    color: var(--text-soft);
    font-size: var(--fs-sm);
    font-weight: 500;
    transition: background var(--t-fast), color var(--t-fast);
    text-decoration: none;
    position: relative;
}
.sidebar-link:hover { background: var(--bg-soft); color: var(--text); }
.sidebar-link.active { background: var(--nas-blue-50); color: var(--nas-blue); font-weight: 600; }
.sidebar-link.active::before {
    content: '';
    position: absolute; left: -12px; top: 6px; bottom: 6px; width: 3px;
    background: var(--nas-blue); border-radius: 0 2px 2px 0;
}
.sidebar-link svg { width: 18px; height: 18px; stroke: currentColor; opacity: .85; flex-shrink: 0; }
.sidebar-link .badge {
    margin-left: auto;
    background: var(--nas-red);
    color: var(--nas-white);
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 2px 7px;
    border-radius: var(--r-pill);
    font-weight: 700;
}

.sidebar-footer {
    border-top: 1px solid var(--border);
    padding: 14px 18px;
    background: var(--bg-soft);
}
.sidebar-user {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px;
    border-radius: var(--r-sm);
    text-decoration: none;
    color: var(--text);
}
.sidebar-user:hover { background: var(--nas-white); }
.sidebar-user-avatar {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--nas-blue), var(--nas-red));
    color: var(--nas-white);
    border-radius: 50%;
    display: grid; place-items: center;
    font-weight: 700;
    font-size: var(--fs-xs);
}
.sidebar-user-name { font-weight: 600; font-size: var(--fs-sm); }
.sidebar-user-role { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); }
.sidebar-logout { color: var(--text-muted); font-size: 16px; }
.sidebar-logout:hover { color: var(--nas-red); }

.sidebar-credit {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 10px;
    color: var(--text-muted);
    text-align: center;
    font-family: var(--font-mono);
    line-height: 1.4;
}
.sidebar-credit__title { font-weight: 600; color: var(--text-soft); }

/* ---------- MAIN ---------- */
.admin-main {
    padding: 28px 36px 56px;
    min-width: 0;
}
.admin-header {
    display: flex; align-items: flex-start; justify-content: space-between;
    flex-wrap: wrap; gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border);
}
.admin-header h1 { font-size: var(--fs-2xl); margin-bottom: 6px; }
.admin-header p  { color: var(--text-muted); font-size: var(--fs-sm); margin: 0; }
.admin-header-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

/* ---------- BUTTONS (admin) ---------- */
.btn-drone {
    background: var(--nas-blue);
    color: var(--nas-white);
    border: 1px solid var(--nas-blue);
    padding: 9px 16px;
    border-radius: var(--r-sm);
    font-weight: 600;
    font-size: var(--fs-sm);
    display: inline-flex; align-items: center; gap: 8px;
    transition: background var(--t-fast), box-shadow var(--t-fast);
    text-decoration: none;
}
.btn-drone:hover { background: var(--nas-blue-600); box-shadow: var(--shadow-blue); }
.btn-secondary {
    background: var(--nas-white);
    border: 1px solid var(--border-strong);
    color: var(--text);
    padding: 9px 16px;
    border-radius: var(--r-sm);
    font-weight: 600;
    font-size: var(--fs-sm);
    display: inline-flex; align-items: center; gap: 8px;
    transition: border-color var(--t-fast), color var(--t-fast);
    text-decoration: none;
}
.btn-secondary:hover { border-color: var(--nas-blue); color: var(--nas-blue); }
.btn-danger {
    background: var(--nas-white);
    border: 1px solid var(--nas-red-100);
    color: var(--nas-red);
    padding: 7px 12px;
    border-radius: var(--r-sm);
    font-size: var(--fs-xs);
    font-weight: 600;
    display: inline-flex; align-items: center;
    transition: background var(--t-fast), color var(--t-fast);
}
.btn-danger:hover { background: var(--nas-red); color: var(--nas-white); }
.btn-sm  { padding: 6px 10px; font-size: var(--fs-xs); }
.btn-small { padding: 5px 9px; font-size: var(--fs-xs); border-radius: var(--r-sm); }

/* ---------- STATS GRID ---------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
    margin-bottom: 28px;
}
.stat-card {
    background: var(--nas-white);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 18px 20px;
    position: relative;
    transition: transform var(--t-fast), box-shadow var(--t-fast);
    overflow: hidden;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--ink-300); }
.stat-card::before {
    content: '';
    position: absolute; top: 0; left: 0; width: 3px; height: 100%;
    background: var(--nas-blue);
    transform: scaleY(0); transform-origin: top;
    transition: transform var(--t-med) var(--easing);
}
.stat-card:hover::before { transform: scaleY(1); }
.stat-card--red::before { background: var(--nas-red); }
.stat-card--green::before { background: var(--success); }
.stat-card--ink::before { background: var(--ink-700); }
.stat-label { font-size: var(--fs-xs); color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.stat-value { font-family: var(--font-display); font-weight: 800; font-size: var(--fs-3xl); line-height: 1; color: var(--text); }
.stat-meta { margin-top: 10px; font-size: var(--fs-xs); color: var(--text-muted); display: flex; align-items: center; justify-content: space-between; }
.stat-meta a { color: var(--nas-blue); font-weight: 600; text-decoration: none; }

/* ---------- CARDS ---------- */
.admin-card {
    background: var(--nas-white);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    overflow: hidden;
}
.admin-card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
    background: var(--bg-soft);
}
.admin-card-header h3 { font-size: var(--fs-md); margin: 0; }
.admin-card-body { padding: 20px; }
.admin-card-body--flush { padding: 0; }

/* ---------- TABLES ---------- */
.admin-table-wrap { overflow-x: auto; }
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--fs-sm);
}
.admin-table thead th {
    background: var(--bg-soft);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: var(--fs-xxs);
    letter-spacing: .08em;
    padding: 12px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.admin-table tbody td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.admin-table tbody tr:hover { background: var(--bg-soft); }
.admin-table tbody tr:last-child td { border-bottom: none; }
.admin-table .row-title { font-weight: 600; color: var(--text); }
.admin-table .row-slug  { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-muted); margin-top: 2px; }
.admin-table .row-actions { display: inline-flex; gap: 6px; }
.row-icon-btn {
    width: 30px; height: 30px;
    border-radius: var(--r-sm);
    border: 1px solid var(--border);
    background: var(--nas-white);
    display: inline-grid; place-items: center;
    color: var(--text-muted);
    text-decoration: none;
    transition: border-color var(--t-fast), color var(--t-fast);
    font-size: 14px;
}
.row-icon-btn:hover { border-color: var(--nas-blue); color: var(--nas-blue); }
.row-icon-btn.danger:hover { border-color: var(--nas-red); color: var(--nas-red); }

/* ---------- STATUS PILLS ---------- */
.status-pill {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 3px 10px;
    border-radius: var(--r-pill);
    font-size: var(--fs-xxs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.status-pill::before { content:''; width:6px; height:6px; border-radius:50%; background: currentColor; }
.status--published { background: rgba(31,157,85,.10); color: var(--success); }
.status--draft     { background: rgba(106,118,145,.10); color: var(--text-muted); }
.status--review    { background: rgba(217,152,32,.10); color: var(--warning); }
.status--scheduled { background: rgba(0,51,160,.08); color: var(--nas-blue); }
.status--new       { background: rgba(214,41,57,.10); color: var(--nas-red); }
.status--active    { background: rgba(0,51,160,.08); color: var(--nas-blue); }

/* ---------- TABS ---------- */
.admin-tabs {
    display: flex; gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
    padding: 0 20px;
    overflow-x: auto;
}
.admin-tab {
    padding: 12px 18px;
    color: var(--text-muted);
    font-weight: 600;
    font-size: var(--fs-sm);
    border-bottom: 2px solid transparent;
    transition: color var(--t-fast), border-color var(--t-fast);
    text-decoration: none;
    white-space: nowrap;
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active { color: var(--nas-blue); border-bottom-color: var(--nas-blue); }
.admin-tab .count { color: var(--text-muted); margin-left: 4px; font-family: var(--font-mono); font-size: var(--fs-xs); }

/* ---------- FORMS (admin) ---------- */
.admin-form { display: grid; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group > label { font-weight: 600; font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select {
    padding: 11px 14px;
    background: var(--nas-white);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-sm);
    font-size: var(--fs-sm);
    font-family: inherit;
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    outline: none;
    border-color: var(--nas-blue);
    box-shadow: 0 0 0 3px rgba(0,51,160,.10);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-help { font-size: var(--fs-xs); color: var(--text-muted); margin-top: 4px; }

/* ---------- ALERTS ---------- */
.alert {
    padding: 12px 16px;
    border-radius: var(--r-sm);
    font-size: var(--fs-sm);
    margin-bottom: 18px;
    border-left: 3px solid;
}
.alert-success { background: rgba(31,157,85,.08);  color: #14633a;  border-left-color: var(--success); }
.alert-error   { background: rgba(214,41,57,.08);  color: #8e1421;  border-left-color: var(--nas-red); }
.alert-warning { background: rgba(217,152,32,.10); color: #7a5c0a;  border-left-color: var(--warning); }
.alert-info    { background: var(--nas-blue-50);   color: var(--nas-blue); border-left-color: var(--nas-blue); }

/* ---------- EMPTY STATE ---------- */
.empty {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-muted);
    font-size: var(--fs-sm);
}

/* ---------- LOGIN ---------- */
.login-wrap {
    min-height: 100vh;
    display: grid; place-items: center;
    padding: 24px;
    background:
        radial-gradient(700px 400px at 80% 10%, rgba(214,41,57,.06), transparent 60%),
        radial-gradient(700px 400px at 20% 90%, rgba(0,51,160,.10), transparent 60%),
        var(--nas-white);
    position: relative;
    overflow: hidden;
}
.login-wrap::before {
    content: '';
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(0,51,160,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,51,160,.04) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 65%);
}
.login-card {
    position: relative;
    background: var(--nas-white);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}
.login-card::before {
    content: '';
    position: absolute; top:0; left: 20px; right: 20px; height: 3px;
    background: linear-gradient(90deg,
        var(--nas-white) 0% 33.33%,
        var(--nas-blue) 33.33% 66.66%,
        var(--nas-red) 66.66% 100%);
    border-radius: 0 0 4px 4px;
    box-shadow: 0 0 18px rgba(0,51,160,.15);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo h1 {
    font-family: var(--font-display); font-weight: 800;
    font-size: var(--fs-2xl); margin-top: 8px;
    background: linear-gradient(135deg, var(--nas-blue), var(--nas-red));
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.login-logo p { color: var(--text-muted); font-family: var(--font-mono); font-size: var(--fs-xs); margin-top: 4px; }

/* ---------- SCROLLBAR ---------- */
.admin-sidebar::-webkit-scrollbar { width: 6px; }
.admin-sidebar::-webkit-scrollbar-thumb { background: var(--ink-200); border-radius: 3px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1100px) {
    .admin-layout { grid-template-columns: 76px 1fr; }
    .sidebar-brand__text, .sidebar-section-title, .sidebar-link span,
    .sidebar-user-info, .sidebar-credit { display: none; }
    .sidebar-brand { justify-content: center; }
    .sidebar-link { justify-content: center; padding: 11px 0; }
    .sidebar-user { justify-content: center; }
}
@media (max-width: 720px) {
    .admin-main { padding: 18px; }
    .form-row { grid-template-columns: 1fr; }
}