.install-body {
    margin: 0;
    min-height: 100vh;
    background: radial-gradient(circle at top, #1d4ed8 0%, #0b1220 45%, #050a16 100%);
    color: #e2e8f0;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

.install-body * {
    box-sizing: border-box;
}

.install-shell {
    min-height: 100vh;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 32px 20px;
}

.install-card {
    width: min(1080px, 100%);
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(148, 163, 184, 0.25);
    border-radius: 18px;
    box-shadow: 0 24px 45px rgba(5, 10, 22, 0.45);
    padding: 32px;
}

.install-header h1 {
    margin: 8px 0 10px;
    font-size: clamp(1.5rem, 2vw, 2.25rem);
}

.install-kicker {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #93c5fd;
    font-weight: 700;
    font-size: 0.8rem;
}

.stepper {
    margin: 24px 0 20px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.step {
    background: rgba(30, 41, 59, 0.75);
    border-radius: 12px;
    padding: 14px 12px;
    border: 1px solid rgba(148, 163, 184, 0.2);
}

.step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 999px;
    background: #334155;
    margin-bottom: 6px;
}

.step.active span,
.step.done span {
    background: #2563eb;
}

.step.done {
    border-color: rgba(37, 99, 235, 0.6);
}

.step-content {
    margin-top: 10px;
}

.step-content h2 {
    margin: 0 0 6px;
}

.step-description {
    margin: 0 0 18px;
    color: #cbd5e1;
    line-height: 1.55;
}

.step small {
    display: block;
    color: #cbd5e1;
}

.checks-grid,
.form-grid {
    display: grid;
    gap: 12px;
}

.checks-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-bottom: 20px;
}

.check-card {
    border-radius: 10px;
    padding: 14px;
    border: 1px solid transparent;
    background: rgba(15, 23, 42, 0.75);
}

.check-card.ok {
    border-color: rgba(22, 163, 74, 0.8);
}

.check-card.warning {
    border-color: rgba(234, 179, 8, 0.8);
}

.check-card.error {
    border-color: rgba(220, 38, 38, 0.8);
}

.check-card h3 {
    margin: 0 0 8px;
    font-size: 0.95rem;
}

.check-card p {
    margin: 0;
    color: #cbd5e1;
    line-height: 1.45;
}

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

.install-form {
    margin-top: 10px;
}

.form-grid label {
    display: grid;
    gap: 8px;
    color: #e2e8f0;
    font-size: 0.92rem;
    font-weight: 600;
}

.install-body .form-grid input,
.install-body .form-grid select {
    width: 100%;
    min-height: 44px;
    border: 1px solid var(--sf-input-border);
    border-radius: 8px;
    background: var(--sf-input-bg);
    color: var(--sf-input-fg);
    padding: 10px 12px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.install-body .form-grid input::placeholder,
.install-body .form-grid select::placeholder {
    color: var(--sf-input-placeholder);
}

.install-body .form-grid input:focus,
.install-body .form-grid select:focus {
    outline: none;
    border-color: var(--sf-input-focus);
    box-shadow: 0 0 0 3px var(--sf-focus-ring);
}

.action-form {
    margin-top: 8px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: 8px;
}

.full-width {
    grid-column: 1 / -1;
}

.btn-primary {
    border: 0;
    border-radius: 10px;
    padding: 11px 16px;
    background: linear-gradient(90deg, #2563eb, #3b82f6);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
    min-height: 44px;
    width: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.alert.danger {
    background: rgba(220, 38, 38, 0.18);
    border: 1px solid rgba(239, 68, 68, 0.75);
}

.alert.success {
    background: rgba(22, 163, 74, 0.18);
    border: 1px solid rgba(34, 197, 94, 0.75);
}

.install-embed-warning {
    margin: 0 0 16px;
    padding: 12px 14px;
    border-radius: 10px;
    background: rgba(234, 179, 8, 0.2);
    border: 1px solid rgba(234, 179, 8, 0.85);
    color: #fde68a;
    line-height: 1.5;
    font-size: 0.92rem;
}

.install-embed-warning a {
    color: #fff;
    font-weight: 700;
    margin-left: 6px;
}

html[data-theme="light"] .install-embed-warning {
    background: #fffbeb;
    border-color: #f59e0b;
    color: #92400e;
}

html[data-theme="light"] .install-embed-warning a {
    color: #1d4ed8;
}

.install-errors-summary ul {
    margin: 8px 0 0;
    padding-left: 18px;
}

.install-errors-summary li {
    margin: 4px 0;
    line-height: 1.45;
}

.install-body .form-grid input.is-invalid,
.install-body .form-grid select.is-invalid,
.install-body .form-grid textarea.is-invalid,
.install-body .form-grid label.has-field-error input,
.install-body .form-grid label.has-field-error select {
    border-color: rgba(239, 68, 68, 0.95);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.field-error {
    color: #fca5a5;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.4;
}

html[data-theme="light"] .field-error {
    color: #b91c1c;
}

html[data-theme="light"] .install-body .form-grid input.is-invalid,
html[data-theme="light"] .install-body .form-grid select.is-invalid,
html[data-theme="light"] .install-body .form-grid textarea.is-invalid,
html[data-theme="light"] .install-body .form-grid label.has-field-error input,
html[data-theme="light"] .install-body .form-grid label.has-field-error select {
    border-color: #dc2626;
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

@media (max-width: 820px) {
    .install-shell {
        padding: 18px 12px;
    }

    .install-card {
        padding: 20px 16px;
    }

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

    .form-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .form-actions,
    .btn-primary {
        width: 100%;
    }
}

.install-header__row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px 16px;
}
.install-header__text {
    flex: 1 1 200px;
    min-width: 0;
}
.install-header__actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
.install-header__theme,
.install-header__theme.theme-switch {
    color: #e2e8f0;
    border-color: rgba(148, 163, 184, 0.4);
    background: rgba(255, 255, 255, 0.04);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    flex-shrink: 0;
}
.install-header__theme:hover,
.install-header__theme.theme-switch:hover {
    color: #f8fafc;
    border-color: #93c5fd;
    box-shadow: 0 4px 14px rgba(2, 6, 23, 0.35);
}

/* Thème clair : assistant d’installation */
html[data-theme="light"] .install-body {
    background: radial-gradient(circle at top, #dbeafe 0%, #f1f5f9 50%, #e2e8f0 100%);
    color: #0f172a;
}
html[data-theme="light"] .install-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    color: #0f172a;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
}
html[data-theme="light"] .install-kicker {
    color: #1d4ed8;
}
html[data-theme="light"] .install-header p,
html[data-theme="light"] .step small,
html[data-theme="light"] .step-description {
    color: #64748b;
}
html[data-theme="light"] .step {
    background: #f8fafc;
    border-color: #e2e8f0;
}
html[data-theme="light"] .step span {
    background: #e2e8f0;
    color: #0f172a;
}
html[data-theme="light"] .check-card {
    background: #f8fafc;
    color: #334155;
    border: 1px solid #e2e8f0;
}
html[data-theme="light"] .install-header__theme,
html[data-theme="light"] .install-header__theme.theme-switch {
    color: #0f172a;
    background: #f1f5f9;
    border: 1px solid #cbd5e1;
}
html[data-theme="light"] .install-header__theme:hover,
html[data-theme="light"] .install-header__theme.theme-switch:hover {
    border-color: #93c5fd;
    color: #0f172a;
}
html[data-theme="light"] .btn-primary,
html[data-theme="light"] .btn-ghost,
html[data-theme="light"] .form-grid input,
html[data-theme="light"] .form-grid label {
    color: inherit;
}
html[data-theme="light"] .form-grid input,
html[data-theme="light"] .form-grid select {
    background: #fff;
    border: 1px solid #cbd5e1;
    color: #0f172a;
}

.password-meter.password-meter--install {
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(15, 23, 42, 0.55);
    border-radius: 10px;
    padding: 10px 12px;
    margin-top: -6px;
}

.password-meter--install .password-meter__bar {
    width: 100%;
    height: 7px;
    background: rgba(148, 163, 184, 0.3);
    border-radius: 999px;
    overflow: hidden;
}

.password-meter--install .password-meter__fill {
    display: block;
    width: 6%;
    height: 100%;
    border-radius: inherit;
    transition: width 0.2s ease, background-color 0.2s ease;
    background: #ef4444;
}

.password-meter--install .password-meter__label {
    display: block;
    margin-top: 6px;
    color: #cbd5e1;
    font-size: 0.82rem;
    font-weight: 700;
}

.password-meter--install .password-meter__rules {
    margin: 6px 0 0;
    padding-left: 16px;
    color: #94a3b8;
    font-size: 0.8rem;
    display: grid;
    gap: 2px;
}

.password-meter--install .password-meter__rules li.is-ok {
    color: #86efac;
    font-weight: 600;
}

.password-meter--install.is-weak .password-meter__fill {
    background: #ef4444;
}

.password-meter--install.is-medium .password-meter__fill {
    background: #f59e0b;
}

.password-meter--install.is-strong .password-meter__fill {
    background: #22c55e;
}

html[data-theme="light"] .password-meter.password-meter--install {
    border-color: #cbd5e1;
    background: #f8fafc;
}

html[data-theme="light"] .password-meter--install .password-meter__bar {
    background: #e2e8f0;
}

html[data-theme="light"] .password-meter--install .password-meter__label {
    color: #334155;
}

html[data-theme="light"] .password-meter--install .password-meter__rules {
    color: #64748b;
}

html[data-theme="light"] .password-meter--install .password-meter__rules li.is-ok {
    color: #166534;
}