:root {
    --bg: #0f1420;
    --panel: #171d2c;
    --panel-2: #1e2536;
    --border: #2a3145;
    --text: #e6e9f0;
    --text-dim: #9aa3b8;
    --accent: #4f8cff;
    --accent-2: #2fd08a;
    --danger: #ff5c66;
    --warn: #ffb545;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

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

.sidebar {
    width: 220px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 20px 0;
    flex-shrink: 0;
}

.brand {
    font-size: 20px;
    font-weight: 700;
    padding: 0 20px 20px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 10px;
}
.brand span { color: var(--accent); }

.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }

.sidebar nav a {
    color: var(--text-dim);
    text-decoration: none;
    padding: 10px 20px;
    border-left: 3px solid transparent;
}
.sidebar nav a:hover { background: var(--panel-2); color: var(--text); }
.sidebar nav a.active {
    background: var(--panel-2);
    color: var(--text);
    border-left-color: var(--accent);
    font-weight: 600;
}

.sidebar-footer {
    padding: 16px 20px 0;
    border-top: 1px solid var(--border);
    margin-top: 10px;
}
.user-chip { color: var(--text-dim); margin-bottom: 6px; font-size: 13px; }
.logout-link { color: var(--danger); text-decoration: none; font-size: 13px; }

.content { flex: 1; padding: 28px 32px; max-width: 1200px; }

h1 { font-size: 22px; margin: 0 0 20px; }
h2 { font-size: 17px; margin: 0 0 12px; }

.flash { padding: 10px 14px; border-radius: var(--radius); margin-bottom: 18px; font-size: 13px; }
.flash-success { background: rgba(47,208,138,.15); border: 1px solid var(--accent-2); color: var(--accent-2); }
.flash-error { background: rgba(255,92,102,.15); border: 1px solid var(--danger); color: var(--danger); }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; gap: 10px; flex-wrap: wrap; }

.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 9px 16px;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 13px;
    cursor: pointer;
    font-weight: 600;
}
.btn:hover { opacity: .9; }
.btn-secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.btn-danger { background: var(--danger); }
.btn-sm { padding: 5px 10px; font-size: 12px; }

table { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: var(--radius); overflow: hidden; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
th { color: var(--text-dim); font-weight: 600; background: var(--panel-2); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,.02); }

.badge { padding: 3px 9px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-ok { background: rgba(47,208,138,.15); color: var(--accent-2); }
.badge-warn { background: rgba(255,181,69,.15); color: var(--warn); }
.badge-danger { background: rgba(255,92,102,.15); color: var(--danger); }
.badge-muted { background: rgba(154,163,184,.15); color: var(--text-dim); }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 20px; }
.cards-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-label { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

form.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
form.form-grid .full { grid-column: 1 / -1; }
label { display: block; margin-bottom: 5px; color: var(--text-dim); font-size: 12px; }
input, select, textarea {
    width: 100%;
    padding: 9px 10px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
}
textarea { resize: vertical; min-height: 60px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }

.form-actions { grid-column: 1 / -1; display: flex; gap: 10px; margin-top: 4px; }

.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; width: 100%; }
.login-box { background: var(--panel); border: 1px solid var(--border); padding: 32px; border-radius: var(--radius); width: 320px; }
.login-box h1 { text-align: center; }
.login-box .btn { width: 100%; margin-top: 8px; }

a.link { color: var(--accent); text-decoration: none; }
a.link:hover { text-decoration: underline; }

.text-dim { color: var(--text-dim); }
.mt-0 { margin-top: 0; }

/* Работен екран (2x2 панели) */
.workbench-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.panel { display: flex; flex-direction: column; min-height: 320px; }
.panel-table { flex: 1; overflow-y: auto; max-height: 260px; }
.panel-table table { font-size: 12px; }
.panel-table th, .panel-table td { padding: 6px 8px; }
.row-selected td { background: rgba(79,140,255,.12) !important; }
.panel-actions { display: flex; gap: 8px; margin-top: 10px; justify-content: flex-end; }
@media (max-width: 900px) {
    .workbench-grid { grid-template-columns: 1fr; }
}