/* ============================================
   INSTALLATION WIZARD
   ============================================ */
.installer-page {
    min-height: 100vh;
    background: linear-gradient(160deg, #FFFBF8 0%, #FFF3E0 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-2xl) var(--space-xl);
}

.installer-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.installer-header h1 {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
}

.installer-header p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

/* -- Stepper -- */
.stepper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: var(--space-2xl);
    width: 100%;
    max-width: 700px;
}

.stepper-step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    position: relative;
}

.stepper-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 700;
    border: 2px solid var(--color-border);
    color: var(--color-text-muted);
    background: var(--color-card);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.stepper-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    white-space: nowrap;
    transition: color var(--transition-base);
}

.stepper-line {
    width: 40px;
    height: 2px;
    background: var(--color-border);
    margin: 0 var(--space-sm);
    transition: background var(--transition-base);
    flex-shrink: 0;
}

/* Step states */
.stepper-step.active .stepper-circle {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 0 0 4px rgba(var(--color-primary-rgb), 0.15);
}

.stepper-step.active .stepper-label {
    color: var(--color-primary);
    font-weight: 600;
}

.stepper-step.completed .stepper-circle {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: #fff;
}

.stepper-step.completed .stepper-label {
    color: var(--color-accent);
}

.stepper-line.completed {
    background: var(--color-accent);
}

/* -- Installer Card -- */
.installer-card {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-light);
    width: 100%;
    max-width: 640px;
    overflow: hidden;
}

.installer-card-header {
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-border-light);
}

.installer-card-header h2 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-dark);
    margin: 0 0 var(--space-xs);
}

.installer-card-header p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.installer-card-body {
    padding: var(--space-xl);
}

.installer-card-footer {
    padding: var(--space-base) var(--space-xl) var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* -- Requirements Checklist -- */
.req-list {
    list-style: none;
    padding: 0;
}

.req-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-border-light);
    font-size: var(--font-size-sm);
}

.req-item:last-child {
    border-bottom: none;
}

.req-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xs);
    flex-shrink: 0;
}

.req-icon.pass {
    background: var(--color-accent-light);
    color: var(--color-accent);
}

.req-icon.fail {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.req-name {
    flex: 1;
    color: var(--color-text);
}

.req-value {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: 500;
}

/* -- Input Icon Wrapper -- */
.input-icon-wrapper {
    position: relative;
    width: 100%;
}

.input-icon-wrapper i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 1.1rem;
    pointer-events: none;
    z-index: 10;
}

/* -- DB Test Connection -- */
.db-test-result {
    padding: var(--space-md) var(--space-base);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-top: var(--space-base);
    display: none;
}

.db-test-result.success {
    display: flex;
    background: var(--color-accent-light);
    color: var(--color-accent);
    align-items: center;
    gap: var(--space-sm);
}

.db-test-result.error {
    display: flex;
    background: var(--color-danger-light);
    color: var(--color-danger);
    align-items: center;
    gap: var(--space-sm);
}

/* -- License Status -- */
.license-status {
    text-align: center;
    padding: var(--space-lg);
}

.license-status .status-icon {
    font-size: 3rem;
    margin-bottom: var(--space-base);
}

.license-status.valid .status-icon {
    color: var(--color-accent);
}

.license-status.invalid .status-icon {
    color: var(--color-danger);
}

/* -- Summary -- */
.summary-table {
    width: 100%;
    border-collapse: collapse;
}

.summary-table td {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.summary-table td:first-child {
    font-weight: 600;
    color: var(--color-text);
    width: 40%;
}

.summary-table td:last-child {
    color: var(--color-text-secondary);
}

/* -- Password Strength -- */
.password-strength {
    display: flex;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    border-radius: var(--radius-full);
    background: var(--color-border);
    transition: background var(--transition-fast);
}

.password-strength.weak .password-strength-bar:nth-child(1) {
    background: var(--color-danger);
}

.password-strength.medium .password-strength-bar:nth-child(1),
.password-strength.medium .password-strength-bar:nth-child(2) {
    background: var(--color-warning);
}

.password-strength.strong .password-strength-bar:nth-child(1),
.password-strength.strong .password-strength-bar:nth-child(2),
.password-strength.strong .password-strength-bar:nth-child(3) {
    background: var(--color-accent);
}

.password-strength.very-strong .password-strength-bar {
    background: var(--color-accent);
}

/* -- Responsive -- */
@media (max-width: 768px) {
    .stepper {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }

    .stepper-label {
        display: none;
    }

    .stepper-line {
        width: 24px;
    }

    .installer-card {
        border-radius: var(--radius-lg);
    }
}

/* -- Toast Notifications -- */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transform: translateX(120%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid #999;
    min-width: 300px;
    pointer-events: auto;
}

.toast.show {
    transform: translateX(0);
}

.toast-success {
    border-left-color: #22c55e;
}

.toast-error {
    border-left-color: #ef4444;
}

.toast-info {
    border-left-color: #f97316;
}

.toast i {
    font-size: 1.25rem;
}

.toast-success i {
    color: #22c55e;
}

.toast-error i {
    color: #ef4444;
}

.toast-info i {
    color: #f97316;
}

.toast span {
    font-size: 0.9rem;
    font-weight: 500;
    color: #334155;
}