.installer-body {
    min-height: 100vh;
    background: var(--bg);
}

.installer-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.installer-topbar {
    min-height: 72px;
    padding: 0 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    background: var(--surface);
}

.installer-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-weight: 700;
}

.installer-topbar__actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.installer-language {
    display: inline-flex;
    padding: 2px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.installer-language a {
    padding: 6px 9px;
    border-radius: var(--radius-sm);
    color: var(--text-soft);
    font-size: .72rem;
    font-weight: 700;
}

.installer-language a.is-active {
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-sm);
}

.installer-main {
    width: min(calc(100% - 32px), 1080px);
    margin: 0 auto;
    padding: 44px 0 56px;
    flex: 1;
}

.installer-footer {
    padding: 18px 24px 24px;
    color: var(--text-faint);
    text-align: center;
    font-size: .74rem;
}

.installer-card {
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface);
    box-shadow: var(--shadow-sm);
}

.installer-card--wide {
    padding: 30px;
}

.installer-card h1 {
    margin: 0;
    color: var(--text);
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1.1;
    letter-spacing: -.04em;
}

.installer-lead {
    max-width: 760px;
    margin: 14px 0 0;
    color: var(--text-soft);
    line-height: 1.65;
}

.installer-feature-grid {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.installer-feature-grid > div,
.installer-summary > div {
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.installer-feature-grid strong,
.installer-feature-grid span,
.installer-summary span,
.installer-summary strong {
    display: block;
}

.installer-feature-grid span,
.installer-summary span {
    margin-top: 6px;
    color: var(--text-soft);
    font-size: .84rem;
    line-height: 1.5;
}

.installer-actions {
    margin-top: 28px;
    display: flex;
    justify-content: flex-end;
}

.installer-button {
    min-height: 42px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.secondary-button {
    min-height: 42px;
    padding: 0 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    font-weight: 650;
}

.installer-checks {
    margin-top: 26px;
    display: grid;
    gap: 10px;
}

.installer-check {
    min-height: 62px;
    padding: 12px 14px;
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.installer-check__icon {
    width: 28px;
    height: 28px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    font-weight: 800;
}

.installer-check.is-pass .installer-check__icon {
    color: var(--success);
    background: var(--success-soft);
}

.installer-check.is-fail .installer-check__icon {
    color: #ef4444;
    background: rgba(239, 68, 68, .1);
}

.installer-check strong,
.installer-check span {
    display: block;
}

.installer-check > div span {
    margin-top: 3px;
    color: var(--text-soft);
    font-size: .78rem;
}

.installer-check__state {
    color: var(--text-soft);
    font-size: .75rem;
    font-weight: 700;
}

.installer-form {
    margin-top: 28px;
    display: grid;
    gap: 18px;
}

.installer-section {
    margin: 0;
    padding: 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--surface-soft);
}

.installer-section legend {
    padding: 0 8px;
    color: var(--text);
    font-size: 1rem;
    font-weight: 700;
}

.installer-hint {
    margin: 0 0 16px;
    color: var(--text-soft);
    font-size: .82rem;
}

.installer-grid {
    display: grid;
    gap: 14px;
}

.installer-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.installer-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.installer-span-2 { grid-column: span 2; }
.installer-span-3 { grid-column: span 3; }

.installer-form .form-field input,
.installer-form .form-field select {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    color: var(--text);
    outline: none;
}

.installer-form .form-field input:focus,
.installer-form .form-field select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 18%, transparent);
}

.installer-form .form-field label {
    display: block;
    margin-bottom: 6px;
    color: var(--text);
    font-size: .78rem;
    font-weight: 650;
}

.installer-toggle-list {
    display: grid;
    gap: 10px;
}

.installer-toggle-list label,
.installer-master-toggle {
    padding: 14px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface);
    cursor: pointer;
}

.installer-toggle-list strong,
.installer-toggle-list small,
.installer-master-toggle strong,
.installer-master-toggle small {
    display: block;
}

.installer-toggle-list small,
.installer-master-toggle small {
    margin-top: 3px;
    color: var(--text-soft);
    line-height: 1.45;
}

.installer-mail-fields {
    margin-top: 14px;
}

.installer-checkbox-inline {
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-soft);
    font-size: .8rem;
}

.installer-warning {
    padding: 15px 17px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--surface-soft);
}

.installer-warning span {
    color: var(--text-soft);
    font-size: .82rem;
}

.installer-error {
    margin-top: 20px;
}

.installer-complete {
    text-align: center;
}

.installer-success-mark {
    width: 58px;
    height: 58px;
    margin: 0 auto 18px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: var(--success-soft);
    color: var(--success);
    font-size: 1.6rem;
    font-weight: 900;
}

.installer-complete .installer-lead {
    margin-left: auto;
    margin-right: auto;
}

.installer-summary {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    text-align: left;
}

.installer-summary strong {
    margin-top: 4px;
}

@media (max-width: 760px) {
    .installer-topbar {
        padding: 12px 16px;
        align-items: flex-start;
    }

    .installer-topbar__actions {
        flex-direction: column;
        align-items: flex-end;
    }

    .installer-main {
        padding-top: 24px;
    }

    .installer-card,
    .installer-card--wide {
        padding: 22px;
    }

    .installer-feature-grid,
    .installer-grid--2,
    .installer-grid--3,
    .installer-summary {
        grid-template-columns: 1fr;
    }

    .installer-span-2,
    .installer-span-3 {
        grid-column: span 1;
    }
}

@media (max-width: 520px) {
    .installer-topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .installer-topbar__actions {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .installer-actions {
        justify-content: stretch;
    }

    .installer-button {
        width: 100%;
    }

    .installer-check {
        grid-template-columns: 28px minmax(0, 1fr);
    }

    .installer-check__state {
        grid-column: 2;
    }
}