:root {
    --bg: #0b0f14;
    --card: #111827;
    --fg: #e5e7eb;
    --muted: #9ca3af;
    --accent: #3b82f6;
    --ok: #10b981;
    --err: #ef4444;
    --hi: #1f2937;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu
}

.container {
    max-width: 920px;
    margin: 32px auto;
    padding: 0 16px
}

h1 {
    font-size: 28px;
    margin: 0 0 12px
}

h2 {
    font-size: 18px;
    margin: 0 0 12px;
    color: var(--muted)
}

.notice {
    background: #0f172a;
    border: 1px solid #1f2937;
    padding: 12px 14px;
    border-radius: 10px
}

.card {
    background: var(--card);
    border: 1px solid #1f2937;
    padding: 16px;
    border-radius: 14px;
    margin: 18px 0
}

.card.highlight {
    border: 2px solid var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, .2)
}

.emph {
    font-size: 1rem;
    margin: .25rem 0 0.75rem
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 12px 0
}

label {
    font-weight: 600
}

select {
    background: #0f172a;
    color: var(--fg);
    padding: 10px;
    border: 1px solid #374151;
    border-radius: 10px
}

.radio-row,
.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 16px
}

.checkbox-grid label,
.radio-row label {
    font-weight: 500
}

.actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 18px
}

button {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer
}

button[disabled] {
    opacity: .5;
    cursor: not-allowed
}

.status {
    min-height: 24px
}

.hidden {
    display: none
}

.stack {
    display: flex;
    flex-direction: column
}

.success {
    color: var(--ok)
}

.error {
    color: var(--err)
}


.card.error{border:2px solid var(--err); box-shadow:0 0 0 3px rgba(239,68,68,.2)}
.card .section-msg{margin-top:8px; font-weight:600; color:var(--err)}