/**
 * SisOS v1.0 — Auth Pages CSS
 *
 * Layout standalone para login, esqueci senha, 2FA, etc.
 * Mobile-first, compatível com dark mode.
 *
 * Referência: P004.SP12
 */

/* ================================================================
   AUTH PAGE — Layout
   ================================================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sisos-bg-body);
    font-family: var(--sisos-font-family);
    padding: var(--sisos-spacing-md);
}

.auth-container {
    width: 100%;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sisos-spacing-lg);
}

.auth-card {
    width: 100%;
    background: var(--sisos-bg-surface);
    border-radius: var(--sisos-radius-lg);
    padding: var(--sisos-spacing-xl);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--sisos-border-light);
}

/* ================================================================
   Logo / Header
   ================================================================ */
.auth-logo {
    text-align: center;
    margin-bottom: var(--sisos-spacing-xl);
}

.auth-logo-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(var(--bs-primary-rgb), 0.1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--sisos-spacing-md);
    font-size: 28px;
    color: var(--bs-primary);
}

.auth-logo-img {
    display: block;
    margin: 0 auto var(--sisos-spacing-md);
    width: 72px;
    height: 72px;
    object-fit: contain;
}

.auth-logo-success {
    background: rgba(var(--bs-success-rgb), 0.1);
    color: var(--bs-success);
}

.auth-logo-error {
    background: rgba(var(--bs-danger-rgb), 0.1);
    color: var(--bs-danger);
}

.auth-logo-warning {
    background: rgba(var(--bs-warning-rgb), 0.15);
    color: #b45309;
}

.auth-title {
    font-size: var(--sisos-font-size-xl);
    font-weight: 700;
    color: var(--sisos-text-primary);
    margin-bottom: 4px;
}

.auth-subtitle {
    font-size: var(--sisos-font-size-md);
    color: var(--sisos-text-secondary);
    margin-bottom: 0;
}

/* ================================================================
   Formulários
   ================================================================ */
.auth-card .form-label {
    font-weight: 500;
    font-size: var(--sisos-font-size-md);
    color: var(--sisos-text-primary);
}

.auth-card .input-group-text {
    background: var(--sisos-bg-surface-alt);
    border-color: var(--sisos-border-color);
    color: var(--sisos-text-secondary);
}

.auth-card .form-control {
    border-color: var(--sisos-border-color);
}

.auth-card .form-control:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.15);
}

/* ================================================================
   Botão principal
   ================================================================ */
.auth-btn {
    padding: 12px;
    font-weight: 600;
    font-size: var(--sisos-font-size-base);
    border-radius: var(--sisos-radius-md);
    margin-top: var(--sisos-spacing-sm);
}

/* ================================================================
   Links
   ================================================================ */
.auth-links {
    text-align: center;
    margin-top: var(--sisos-spacing-lg);
}

.auth-links a {
    color: var(--bs-primary);
    text-decoration: none;
    font-size: var(--sisos-font-size-md);
    font-weight: 500;
}

.auth-links a:hover {
    text-decoration: underline;
}

/* ================================================================
   Footer
   ================================================================ */
.auth-footer {
    text-align: center;
}

.auth-footer p {
    font-size: var(--sisos-font-size-xs);
    color: var(--sisos-text-muted);
    margin: 0;
}

/* ================================================================
   Password Strength Indicator
   ================================================================ */
.password-strength {
    display: none;
}

.password-strength.active {
    display: block;
}

.password-strength-bar {
    height: 4px;
    background: var(--sisos-bg-hover);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 4px;
}

.password-strength-fill {
    height: 100%;
    width: 0;
    border-radius: 2px;
    transition: width 0.3s, background-color 0.3s;
}

.password-strength-fill[data-level="0"] { width: 0; }
.password-strength-fill[data-level="1"] { width: 20%; background: var(--bs-danger); }
.password-strength-fill[data-level="2"] { width: 40%; background: #f97316; }
.password-strength-fill[data-level="3"] { width: 60%; background: var(--bs-warning); }
.password-strength-fill[data-level="4"] { width: 80%; background: #84cc16; }
.password-strength-fill[data-level="5"] { width: 100%; background: var(--bs-success); }

.password-strength-text {
    font-size: var(--sisos-font-size-xs);
    color: var(--sisos-text-muted);
}

/* ================================================================
   Password Requirements
   ================================================================ */
.password-requirements {
    display: none;
}

.password-requirements.active {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 12px;
}

.password-requirements .req {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--sisos-font-size-xs);
    color: var(--sisos-text-muted);
    transition: color 0.2s;
}

.password-requirements .req.met {
    color: var(--bs-success);
}

.password-requirements .req.met i::before {
    content: "\F26A"; /* bi-check-circle-fill */
}

/* ================================================================
   2FA Input Digits
   ================================================================ */
.twofa-inputs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.twofa-digit {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: 700;
    border: 2px solid var(--sisos-border-color);
    border-radius: var(--sisos-radius-md);
    background: var(--sisos-bg-surface);
    color: var(--sisos-text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.twofa-digit:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.15);
}

.twofa-digit.filled {
    border-color: var(--bs-primary);
    background: rgba(var(--bs-primary-rgb), 0.04);
}

.twofa-separator {
    font-size: 20px;
    color: var(--sisos-text-muted);
    margin: 0 2px;
}

/* ================================================================
   Responsivo
   ================================================================ */
@media (max-width: 480px) {
    .auth-card {
        padding: var(--sisos-spacing-lg);
    }

    .twofa-digit {
        width: 40px;
        height: 48px;
        font-size: 20px;
    }

    .twofa-inputs {
        gap: 6px;
    }
}

/* ================================================================
   Dark Mode
   ================================================================ */
.dark .auth-card {
    border-color: var(--sisos-border-color);
}

.dark .auth-logo-warning {
    color: var(--bs-warning);
}