/**
 * Two-Factor Authentication Settings
 *
 * Security status, QR code setup, TOTP input, backup codes, steps indicator.
 * Mobile-first with fluid spacing via clamp().
 *
 * @package PC Kompas User API
 */

/* ===================================================================
   Security Status Card
   =================================================================== */

.security-status {
    display: flex;
    align-items: center;
    gap: clamp(12px, 2vw, 16px);
    padding: clamp(14px, 2.5vw, 18px);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: clamp(1rem, 2.5vw, 1.25rem);
}

.security-status__icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.security-status__icon--off {
    background: var(--warning-bg);
    border: 1px solid rgba(var(--warning-rgb), 0.2);
}

.security-status__icon--off svg {
    color: var(--warning);
}

.security-status__icon--on {
    background: var(--success-bg);
    border: 1px solid rgba(var(--success-rgb), 0.2);
}

.security-status__icon--on svg {
    color: var(--success);
}

.security-status__text {
    flex: 1;
    min-width: 0;
}

.security-status__label {
    font-weight: 600;
    font-size: clamp(0.875rem, 1.5vw + 0.25rem, 0.9375rem);
    color: var(--text-primary);
}

.security-status__hint {
    font-size: clamp(0.75rem, 1vw + 0.25rem, 0.8125rem);
    color: var(--text-secondary);
    margin-top: 2px;
}

/* ===================================================================
   QR Code Container
   =================================================================== */

.qr-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(1rem, 2.5vw, 1.25rem);
    padding: clamp(1.25rem, 3vw, 1.75rem);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: clamp(1rem, 2.5vw, 1.25rem);
}

.qr-code {
    width: 200px;
    height: 200px;
    background: #ffffff;
    border-radius: 12px;
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.qr-code img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-code__loading {
    width: 176px;
    height: 176px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-manual {
    text-align: center;
    width: 100%;
}

.qr-manual__label {
    font-size: clamp(0.6875rem, 1vw + 0.125rem, 0.75rem);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.qr-manual__key {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px 10px 18px;
}

.qr-manual__key code {
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: clamp(0.9375rem, 1.5vw + 0.25rem, 1rem);
    letter-spacing: 2.5px;
    color: var(--text-primary);
    word-break: break-all;
}

.qr-manual__copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.qr-manual__copy:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
}

.qr-manual__copy:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.qr-manual__copy svg {
    width: 16px;
    height: 16px;
    display: block;
}

/* ===================================================================
   Steps Indicator
   =================================================================== */

.steps {
    display: flex;
    align-items: center;
    gap: 0;
    margin-bottom: clamp(1.25rem, 3vw, 1.5rem);
    padding: 0 4px;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.step__number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

.step--active .step__number {
    background: var(--accent);
    color: #fff;
}

.step--done .step__number {
    background: var(--success);
    color: #fff;
}

.step--pending .step__number {
    background: var(--bg-tertiary);
    border: 1.5px solid var(--border);
    color: var(--text-muted);
}

.step__label {
    font-size: clamp(0.75rem, 1vw + 0.25rem, 0.8125rem);
    font-weight: 500;
}

.step--active .step__label {
    color: var(--text-primary);
}

.step--done .step__label {
    color: var(--success);
}

.step--pending .step__label {
    color: var(--text-muted);
}

.step__line {
    flex: 1;
    height: 2px;
    min-width: 20px;
    margin: 0 8px;
    border-radius: 1px;
}

.step__line--done {
    background: var(--success);
}

.step__line--pending {
    background: var(--border);
}

/* ===================================================================
   TOTP Code Input
   =================================================================== */

.totp-input-wrapper {
    text-align: center;
}

.totp-input-group {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: clamp(0.75rem, 2vw, 1rem);
}

.totp-input-group__with-separator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.totp-input {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: clamp(1.25rem, 2vw + 0.5rem, 1.375rem);
    font-weight: 700;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    background: var(--bg-tertiary);
    border: 2px solid var(--border);
    border-radius: 10px;
    color: var(--text-primary);
    transition: all 0.15s ease;
    caret-color: var(--accent);
    -webkit-appearance: none;
    appearance: none;
}

.totp-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
    background: var(--bg-secondary);
}

.totp-input--filled {
    border-color: var(--accent);
    background: var(--accent-light);
}

.totp-input--success {
    border-color: var(--success);
    background: var(--success-bg);
}

.totp-separator {
    display: flex;
    align-items: center;
    color: var(--text-muted);
    font-size: 1.25rem;
    font-weight: 300;
    padding: 0 2px;
}

.totp-hint {
    text-align: center;
}

/* ===================================================================
   Backup Codes
   =================================================================== */

.backup-codes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: clamp(1rem, 2.5vw, 1.25rem);
}

.backup-code {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    font-size: clamp(0.875rem, 1.5vw + 0.25rem, 0.9375rem);
    letter-spacing: 1.5px;
    color: var(--text-primary);
}

.backup-code--used {
    text-decoration: line-through;
    color: var(--text-muted);
    opacity: 0.5;
}

.backup-actions {
    display: flex;
    gap: 8px;
    margin-bottom: clamp(1rem, 2.5vw, 1.25rem);
}

.backup-actions__btn {
    flex: 1;
}

/* ===================================================================
   Security Info Grid (when 2FA is active)
   =================================================================== */

.security-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin-bottom: clamp(1rem, 2.5vw, 1.25rem);
}

.security-info-card {
    padding: clamp(12px, 2vw, 14px) clamp(14px, 2.5vw, 16px);
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.security-info-card__label {
    font-size: clamp(0.6875rem, 1vw + 0.125rem, 0.75rem);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.security-info-card__value {
    font-size: clamp(0.875rem, 1.5vw + 0.25rem, 0.9375rem);
    font-weight: 600;
    color: var(--text-primary);
}

.security-info-card__value--warning {
    color: var(--warning);
}

/* ===================================================================
   Security Actions (button row)
   =================================================================== */

.security-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

/* Button inner helper (icon + text alignment) */
.btn__inner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

/* ===================================================================
   Alert warning variant (supplement existing alert styles)
   =================================================================== */

.alert--warning {
    background: var(--warning-bg);
    border: 1px solid rgba(var(--warning-rgb), 0.3);
    color: var(--warning);
}

.alert--warning svg {
    flex-shrink: 0;
    margin-top: 1px;
}

/* ===================================================================
   Responsive
   =================================================================== */

@media (max-width: 480px) {
    .totp-input {
        width: 42px;
        height: 50px;
    }

    .backup-codes {
        grid-template-columns: 1fr;
    }

    .backup-actions {
        flex-direction: column;
    }

    .backup-actions__btn {
        width: 100%;
        justify-content: center;
    }

    .steps {
        overflow-x: auto;
    }

    .step__label {
        display: none;
    }

    .security-actions {
        flex-direction: column;
    }

    .security-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ===================================================================
   Force 2FA Modal (admin enforcement)
   =================================================================== */

.force-2fa-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(6px);
    padding: 20px;
    animation: force2fa-fade-in 0.3s ease;
}

@keyframes force2fa-fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.force-2fa-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: clamp(28px, 5vw, 40px) clamp(24px, 4vw, 36px);
    max-width: 440px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4),
                0 0 0 1px rgba(255, 255, 255, 0.05);
    animation: force2fa-slide-up 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes force2fa-slide-up {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.force-2fa-modal__icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto clamp(16px, 3vw, 24px);
    color: var(--warning);
    display: flex;
    align-items: center;
    justify-content: center;
}

.force-2fa-modal__glow {
    position: absolute;
    inset: -16px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(var(--warning-rgb, 245, 158, 11), 0.2) 0%,
        rgba(var(--warning-rgb, 245, 158, 11), 0.05) 50%,
        transparent 70%
    );
    animation: force2fa-glow 2.5s ease-in-out infinite;
}

@keyframes force2fa-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.15); }
}

.force-2fa-modal__title {
    font-size: clamp(1.125rem, 2vw + 0.5rem, 1.375rem);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.force-2fa-modal__desc {
    font-size: clamp(0.8125rem, 1vw + 0.25rem, 0.9375rem);
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 clamp(20px, 3vw, 28px);
    max-width: 360px;
    margin-left: auto;
    margin-right: auto;
}

.force-2fa-modal__features {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: clamp(20px, 3vw, 28px);
    text-align: left;
}

.force-2fa-modal__feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(0.8125rem, 1vw + 0.25rem, 0.875rem);
    color: var(--text-secondary);
    padding: 10px 14px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.force-2fa-modal__feature svg {
    flex-shrink: 0;
    color: var(--success);
}

.force-2fa-modal__btn {
    font-size: clamp(0.9375rem, 1.5vw + 0.25rem, 1.0625rem);
    padding-block: clamp(12px, 2vw, 16px);
}

@media (prefers-reduced-motion: reduce) {
    .force-2fa-overlay,
    .force-2fa-modal,
    .force-2fa-modal__glow {
        animation: none;
    }
}