:root {
    --bg: #0e1318;
    --panel: #151b22;
    --panel-2: #1c242e;
    --line: #2a3542;
    --text: #e7edf4;
    --muted: #93a1b1;
    --accent: #3d8bfd;
    --ok: #22c55e;
    --warn: #f59e0b;
    --err: #ef4444;
}

* { box-sizing: border-box; }

html, body {
    height: 100%;
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, sans-serif;
}

body {
    display: flex;
    min-height: 100vh;
}

.app-sidebar {
    width: 260px;
    background: var(--panel);
    border-right: 1px solid var(--line);
    padding: 22px 18px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 28px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, #3d8bfd, #1d4ed8);
    display: grid;
    place-items: center;
    font-weight: 700;
}

.brand small {
    display: block;
    color: var(--muted);
    font-size: 12px;
}

.app-sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.app-sidebar nav a {
    color: var(--text);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 10px;
}

.app-sidebar nav a:hover,
.app-sidebar nav a.active {
    background: var(--panel-2);
    color: #fff;
}

.sidebar-foot {
    margin-top: auto;
}

.btn-run,
.btn-primary-app,
.btn-ghost {
    width: 100%;
    border: 0;
    border-radius: 10px;
    padding: 11px 14px;
    font-weight: 600;
    cursor: pointer;
}

.btn-run,
.btn-primary-app {
    background: #166534;
    color: #fff;
}

.btn-ghost {
    background: var(--panel-2);
    color: var(--text);
    border: 1px solid var(--line);
}

.app-main {
    flex: 1;
    padding: 28px 32px;
    min-width: 0;
}

.page-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.page-head h1 {
    margin: 0 0 6px;
    font-size: 28px;
}

.page-head p {
    margin: 0;
    color: var(--muted);
}

.grid-4, .grid-2 {
    display: grid;
    gap: 16px;
    margin-bottom: 20px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: 1.4fr 1fr; }

.card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 18px;
}

.card h2, .card h3 {
    margin: 0 0 14px;
    font-size: 16px;
}

.stat-label {
    color: var(--muted);
    font-size: 13px;
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    margin-top: 6px;
}

.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.badge-ok { background: #14532d; color: #86efac; }
.badge-err { background: #7f1d1d; color: #fecaca; }
.badge-warn { background: #713f12; color: #fde68a; }
.badge-run { background: #1e3a8a; color: #bfdbfe; }
.badge-off { background: #1f2937; color: #d1d5db; }

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 10px 8px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

th { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }

.form-control, .form-select, textarea.form-control {
    background: var(--panel-2);
    border: 1px solid var(--line);
    color: var(--text);
    border-radius: 10px;
}

.form-control:focus, .form-select:focus {
    background: var(--panel-2);
    color: var(--text);
    border-color: var(--accent);
    box-shadow: none;
}

label { color: var(--muted); margin-bottom: 6px; }

.flash {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.flash-ok { background: #14532d; }
.flash-err { background: #7f1d1d; }

.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions form { margin: 0; }

.live-step {
    font-size: 15px;
    color: #bfdbfe;
}

.countdown {
    font-variant-numeric: tabular-nums;
    font-size: 22px;
    font-weight: 700;
}

@media (max-width: 1100px) {
    .grid-4, .grid-2 { grid-template-columns: 1fr 1fr; }
    body { flex-direction: column; }
    .app-sidebar { width: 100%; height: auto; position: relative; }
}

@media (max-width: 700px) {
    .grid-4, .grid-2 { grid-template-columns: 1fr; }
    .app-main { padding: 18px; }
}