body.installer-body {
    background: radial-gradient(circle at top, rgba(37,99,235,.18), transparent 30%), #020617;
    min-height: 100vh;
}

.installer-shell {
    width: min(1240px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0 64px;
}

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

.installer-title {
    margin: 8px 0 10px;
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.05;
}

.installer-subtitle {
    margin: 0;
    max-width: 760px;
    color: #cbd5e1;
    line-height: 1.7;
}

.installer-badge {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(37,99,235,.14);
    border: 1px solid rgba(59,130,246,.22);
    color: #dbeafe;
    font-size: 13px;
    font-weight: 700;
}

.installer-progress-card,
.installer-alert,
.installer-panel,
.installer-side {
    background: linear-gradient(180deg, rgba(15,23,42,.95), rgba(2,6,23,.98));
    border: 1px solid rgba(148,163,184,.16);
    border-radius: 24px;
    box-shadow: 0 18px 40px rgba(2,6,23,.35);
}

.installer-progress-card {
    padding: 18px;
    margin-bottom: 18px;
}

.installer-progress-track {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 10px;
}

.installer-progress-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border-radius: 18px;
    border: 1px solid rgba(148,163,184,.08);
    background: rgba(15,23,42,.35);
}

.installer-progress-item.is-current {
    border-color: rgba(59,130,246,.35);
    background: rgba(37,99,235,.12);
}

.installer-progress-item.is-complete {
    border-color: rgba(34,197,94,.25);
    background: rgba(22,163,74,.10);
}

.installer-progress-dot {
    width: 38px;
    height: 38px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(148,163,184,.14);
    font-weight: 800;
    color: #fff;
}

.installer-progress-label {
    font-size: 13px;
    font-weight: 700;
}

.installer-progress-key {
    font-size: 12px;
    color: #94a3b8;
}

.installer-alert {
    margin-bottom: 18px;
}

.installer-content {
    display: grid;
    gap: 18px;
}

.installer-grid {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 18px;
}

.installer-panel,
.installer-side {
    padding: 24px;
}

.installer-side h3,
.installer-panel h2 {
    margin-top: 0;
}

.installer-list {
    display: grid;
    gap: 10px;
    padding-left: 20px;
    line-height: 1.7;
    color: #dbeafe;
}

.installer-list.ordered {
    padding-left: 24px;
}

.installer-note {
    padding: 14px 16px;
    margin: 0 0 18px;
    border-radius: 18px;
    border: 1px solid rgba(148,163,184,.16);
    background: rgba(15,23,42,.45);
    color: #dbeafe;
}

.installer-note.warning {
    border-color: rgba(245,158,11,.28);
    background: rgba(245,158,11,.12);
    color: #fde68a;
}

.installer-note.success {
    border-color: rgba(34,197,94,.24);
    background: rgba(22,163,74,.12);
    color: #dcfce7;
}

.installer-form {
    display: grid;
    gap: 18px;
}

.installer-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.installer-form-grid.single {
    grid-template-columns: 1fr;
}

.installer-form label,
.installer-module-card {
    display: grid;
    gap: 8px;
}

.installer-form input,
.installer-form select,
.installer-form textarea {
    width: 100%;
    border-radius: 14px;
    border: 1px solid rgba(148,163,184,.16);
    background: rgba(15,23,42,.65);
    color: #fff;
    padding: 12px 14px;
    min-height: 48px;
}

.installer-form textarea {
    min-height: 110px;
    resize: vertical;
}

.installer-form small {
    color: #94a3b8;
}

.installer-actions {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
}

.installer-check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.installer-check-card,
.installer-module-card {
    padding: 16px;
    border-radius: 18px;
    border: 1px solid rgba(148,163,184,.14);
    background: rgba(15,23,42,.4);
}

.installer-check-card.is-ok {
    border-color: rgba(34,197,94,.25);
}

.installer-check-card.is-warning {
    border-color: rgba(245,158,11,.25);
}

.installer-check-card.is-error {
    border-color: rgba(239,68,68,.22);
}

.installer-check-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
}

.installer-check-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: #cbd5e1;
    font-size: 14px;
    line-height: 1.5;
}

.installer-pill {
    min-height: 28px;
    border-radius: 999px;
    padding: 4px 10px;
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    font-weight: 800;
}

.installer-pill.ok {
    background: rgba(22,163,74,.14);
    color: #dcfce7;
}

.installer-pill.warning {
    background: rgba(245,158,11,.16);
    color: #fde68a;
}

.installer-pill.error {
    background: rgba(220,38,38,.14);
    color: #fecaca;
}

.installer-checkbox {
    display: flex !important;
    gap: 12px !important;
    align-items: flex-start;
}

.installer-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    min-height: 18px;
    margin-top: 3px;
}

.installer-module-card {
    grid-template-columns: 20px 1fr;
    align-items: start;
}

.installer-option-grid {
    display: grid;
    gap: 12px;
}

.installer-meta {
    display: grid;
    gap: 12px;
}

.installer-meta div {
    display: grid;
    gap: 6px;
    padding: 14px;
    border-radius: 18px;
    background: rgba(15,23,42,.35);
    border: 1px solid rgba(148,163,184,.12);
}

.installer-meta dt {
    color: #94a3b8;
    font-size: 13px;
}

.installer-meta dd {
    margin: 0;
    font-weight: 700;
}

.installer-summary {
    display: grid;
    gap: 18px;
}

.installer-summary h4 {
    margin: 0 0 10px;
}

.installer-summary ul {
    margin: 0;
    padding-left: 18px;
    color: #dbeafe;
    line-height: 1.7;
}

@media (max-width: 1080px) {
    .installer-progress-track {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .installer-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .installer-shell {
        width: min(100%, calc(100% - 20px));
        padding-top: 20px;
    }

    .installer-topbar,
    .installer-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .installer-form-grid,
    .installer-check-grid,
    .installer-progress-track {
        grid-template-columns: 1fr;
    }
}