:root {
    --bg: #0f172a;
    --card: #111827;
    --card-muted: #1f2937;
    --text: #e5e7eb;
    --muted: #94a3b8;
    --primary: #38bdf8;
    --danger: #fb7185;
    --ok: #34d399;
    --border: #334155;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1e293b 0%, #0f172a 55%);
    color: var(--text);
    min-height: 100vh;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

.card {
    background: linear-gradient(180deg, #111827, #0b1220);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    margin-bottom: 18px;
}

h1, h2, h3 {
    margin-top: 0;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.pill {
    display: inline-block;
    border-radius: 999px;
    border: 1px solid var(--border);
    padding: 6px 10px;
    font-size: 12px;
    color: var(--muted);
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr;
    }
}

input, select, button {
    width: 100%;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #0b1220;
    color: var(--text);
    padding: 10px 12px;
    margin-top: 8px;
}

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

button {
    background: linear-gradient(90deg, #0ea5e9, #22d3ee);
    color: #04131f;
    font-weight: 600;
    cursor: pointer;
    border: 0;
}

button.secondary {
    background: #1f2937;
    color: var(--text);
    border: 1px solid var(--border);
}

button.danger {
    background: #3f1d2e;
    color: #fecdd3;
    border: 1px solid #881337;
}

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

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

th {
    color: var(--muted);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.notice {
    padding: 10px 12px;
    border-radius: 10px;
    margin-bottom: 12px;
}

.notice.ok {
    background: rgba(52, 211, 153, 0.15);
    border: 1px solid rgba(52, 211, 153, 0.5);
}

.notice.err {
    background: rgba(251, 113, 133, 0.15);
    border: 1px solid rgba(251, 113, 133, 0.5);
}

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

.actions-inline {
    display: flex;
    gap: 8px;
}

.actions-inline button {
    margin-top: 0;
}

.landing-hero {
    padding: 28px;
    background:
        radial-gradient(1200px 340px at -10% -40%, rgba(34, 211, 238, 0.17), transparent 60%),
        radial-gradient(900px 280px at 110% -20%, rgba(56, 189, 248, 0.18), transparent 60%),
        linear-gradient(180deg, #111827, #0b1220);
}

.landing-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #0f172a;
    background: linear-gradient(90deg, #22d3ee, #67e8f9);
    margin-bottom: 12px;
}

.landing-lead {
    max-width: 760px;
    color: #cbd5e1;
    margin-bottom: 16px;
}

.landing-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 18px;
}

.landing-panel {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    background: rgba(15, 23, 42, 0.55);
}

.landing-panel h3 {
    margin: 0 0 8px;
    font-size: 16px;
}

.landing-list {
    margin: 0;
    padding-left: 18px;
    color: #cbd5e1;
}

.landing-list li {
    margin: 7px 0;
}

.signin-box {
    margin-top: 18px;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    background: rgba(2, 6, 23, 0.7);
    max-width: 420px;
}

@media (max-width: 900px) {
    .landing-grid {
        grid-template-columns: 1fr;
    }
}