:root {
    color-scheme: light dark;
    --bg: #0f1419;
    --surface: #1a2332;
    --text: #e7ecf3;
    --muted: #8b9cb3;
    --accent: #3b82f6;
    --error: #f87171;
    --border: #2d3a4d;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, sans-serif;
    background: linear-gradient(160deg, #0a0e14, #152238);
    color: var(--text);
    min-height: 100vh;
}

.setup {
    max-width: 42rem;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
}

.setup__header h1 {
    margin: 0 0 0.25rem;
    font-size: 1.5rem;
}

.setup__step-label {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.setup__nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.5rem 0;
}

.setup__nav-item {
    font-size: 0.75rem;
    padding: 0.35rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--muted);
}

.setup__nav-item.is-active {
    border-color: var(--accent);
    color: var(--text);
    background: rgba(59, 130, 246, 0.15);
}

.setup__nav-item.is-done {
    color: var(--text);
}

.setup__nav-num {
    font-weight: 700;
    margin-right: 0.25rem;
}

.setup__main {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.setup__main h2 {
    margin-top: 0;
    font-size: 1.25rem;
}

.setup-install-progress__intro {
    color: var(--muted);
    margin-top: 0;
}

.setup-install-progress__status {
    font-weight: 600;
    margin: 1rem 0 0.75rem;
}

.setup-progress {
    height: 0.65rem;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.65);
    border: 1px solid var(--border);
    overflow: hidden;
}

.setup-progress__bar {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2563eb, #38bdf8);
    transition: width 0.35s ease;
}

.setup-install-progress__meta {
    margin: 0.65rem 0 0;
    font-size: 0.88rem;
    color: var(--muted);
}

.setup-install-progress__wait {
    margin: 1rem 0 0;
    font-size: 0.85rem;
    color: var(--muted);
}

.setup__form label {
    display: block;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.setup__form input[type="text"],
.setup__form input[type="password"],
.setup__form input[type="email"],
.setup__form input[type="number"] {
    display: block;
    width: 100%;
    margin-top: 0.35rem;
    padding: 0.55rem 0.65rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: #0f1419;
    color: var(--text);
}

.setup__lang-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.setup__lang-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
}

.setup__lang-card:has(input:checked) {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.12);
}

.setup__lang-card input {
    margin-right: 0.5rem;
}

.setup__license {
    max-height: 14rem;
    overflow: auto;
    padding: 1rem;
    background: #0f1419;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.8rem;
    line-height: 1.45;
    white-space: pre-wrap;
}

.setup__checkbox {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.setup__summary {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.35rem 1rem;
    font-size: 0.95rem;
}

.setup__summary dt {
    color: var(--muted);
}

.setup__actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.25rem;
}

.btn {
    border: 1px solid var(--ui-btn-border, var(--border));
    background: transparent;
    color: var(--text);
    padding: 0.55rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    text-decoration: none;
    display: inline-block;
}

.btn--primary {
    background: var(--ui-btn-bg, var(--accent));
    border-color: var(--ui-btn-border, var(--accent));
    color: #fff;
}

.setup__errors {
    list-style: none;
    margin: 0 0 1rem;
    padding: 0.75rem 1rem;
    background: rgba(248, 113, 113, 0.12);
    border: 1px solid var(--error);
    border-radius: 8px;
    color: #fecaca;
    font-size: 0.9rem;
}

.setup__success h2 {
    color: #86efac;
}