/**
 * Estilos Layout AUTH - Autenticación
 * Proyecto: SGAMB Manager
 * Versión: 2.0 - Glassmorphism Institucional
 * Layout: auth (login, 2fa, recuperar contraseña)
 */

/* Reset y base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    color: #343a40;
}

/* ============================================
   VARIABLES INSTITUCIONALES
   ============================================ */
:root {
    /* Primarios */
    --bogota-red: #C41E3A;
    --bogota-red-dark: #9A1830;
    --bogota-red-light: rgba(196, 30, 58, 0.1);
    
    /* Acento */
    --bogota-yellow: #FFC107;
    
    /* Neutros */
    --bogota-white: #FFFFFF;
    --bogota-gray-50: #F8F9FA;
    --bogota-gray-100: #F1F3F5;
    --bogota-gray-200: #E9ECEF;
    --bogota-gray-600: #6C757D;
    --bogota-gray-800: #343A40;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(196, 30, 58, 0.12);
    --glass-shadow: 0 25px 50px -12px rgba(196, 30, 58, 0.15);
    
    /* Spacing */
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    
    /* Border radius */
    --border-radius-lg: 12px;
    --border-radius-xl: 20px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
}

/* ============================================
   LAYOUT AUTH - GLASSMORPHISM INSTITUCIONAL
   ============================================ */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    
    /* Degradado institucional sutil */
    background: linear-gradient(135deg, 
        var(--bogota-gray-50) 0%, 
        var(--bogota-gray-100) 50%,
        rgba(196, 30, 58, 0.03) 100%
    );
    
    /* Pattern geométrico hexágonos institucionales */
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l25.98 15v30L30 60 4.02 45V15z' fill='%23C41E3A' fill-opacity='0.02'/%3E%3C/svg%3E");
    
    padding: var(--spacing-4);
    position: relative;
    overflow: hidden;
}

/* Franja distrital en top de página */
.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--bogota-red) 0%, 
        var(--bogota-red) 70%, 
        var(--bogota-yellow) 70%, 
        var(--bogota-yellow) 100%
    );
    z-index: 1;
}

/* Efecto de luz sutil */
.auth-page::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(196, 30, 58, 0.04) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* ============================================
   TARJETA AUTH - GLASSMORPHISM
   ============================================ */
.auth-card {
    /* Glassmorphism core */
    background: var(--glass-bg);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    
    /* Borde sutil con tinte institucional */
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    
    /* Sombras elevadas */
    box-shadow: 
        var(--glass-shadow),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    
    /* Dimensiones */
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2rem;
    
    /* Franja distrital superior */
    position: relative;
    overflow: hidden;
    
    /* Animación de entrada */
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Franja tricolor Bogotá en tarjeta */
.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, 
        var(--bogota-red) 0%, 
        var(--bogota-red) 70%, 
        var(--bogota-yellow) 70%, 
        var(--bogota-yellow) 100%
    );
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

/* Glow sutil rojo en hover */
.auth-card:hover {
    box-shadow: 
        0 25px 50px -12px rgba(196, 30, 58, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.5) inset;
    transform: translateY(-2px);
    transition: all var(--transition-base);
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* Logo y título */
.auth-logo {
    text-align: center;
    margin-bottom: var(--spacing-6);
}

.auth-logo img {
    width: 150px;
    height: auto;
    margin-bottom: var(--spacing-4);
}

.auth-logo h1 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.auth-logo p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin: 0;
}

/* Subtítulo para 2FA */
.auth-subtitle {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-6);
}

/* Formularios */
.auth-form {
    margin-top: var(--spacing-6);
}

.auth-form .form-label {
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-2);
    transition: color var(--transition-fast);
}

.auth-form .form-control {
    padding: var(--spacing-3) var(--spacing-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
    background-color: var(--color-white);
}

.auth-form .form-control:hover {
    border-color: var(--color-gray-400);
}

.auth-form .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(196, 30, 58, 0.15);
    background-color: var(--color-white);
}

/* Input group mejorado */
.auth-form .input-group {
    transition: all var(--transition-fast);
}

.auth-form .input-group:focus-within {
    transform: translateY(-1px);
}

.auth-form .input-group:focus-within .input-group-text {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(196, 30, 58, 0.05);
}

.auth-form .input-group:focus-within .form-control {
    border-color: var(--color-primary);
}

.auth-form .input-group-text {
    background-color: var(--color-gray-100);
    border: 2px solid var(--color-gray-300);
    border-right: none;
    color: var(--color-gray-600);
    padding: var(--spacing-3) var(--spacing-4);
    transition: all var(--transition-fast);
}

.auth-form .form-control:not(:first-child) {
    border-left: none;
}

/* Botón toggle password */
.btn-toggle-password {
    border: 2px solid var(--color-gray-300);
    border-left: none;
    background-color: var(--color-white);
    color: var(--color-gray-600);
    padding: var(--spacing-3) var(--spacing-4);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-toggle-password:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-800);
}

.auth-form .input-group:focus-within .btn-toggle-password {
    border-color: var(--color-primary);
}

/* Botón primario mejorado */
.auth-form .btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: none;
    padding: var(--spacing-3) var(--spacing-6);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-lg);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
    position: relative;
    overflow: hidden;
}

.auth-form .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.auth-form .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(196, 30, 58, 0.4);
}

.auth-form .btn-primary:hover::before {
    left: 100%;
}

.auth-form .btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(196, 30, 58, 0.3);
}

.auth-form .btn-primary:disabled {
    background: var(--color-gray-400);
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

/* Spinner en botón */
.btn-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Mensajes de error */
.auth-error {
    background-color: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--color-danger);
    border-radius: var(--border-radius);
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-danger);
    font-size: var(--font-size-sm);
}

.auth-error i {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

/* Mensajes de éxito */
.auth-success {
    background-color: rgba(25, 135, 84, 0.1);
    border: 1px solid var(--color-success);
    border-radius: var(--border-radius);
    padding: var(--spacing-3) var(--spacing-4);
    margin-bottom: var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-success);
    font-size: var(--font-size-sm);
}

.auth-success i {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

/* Footer de auth */
.auth-footer {
    text-align: center;
    margin-top: var(--spacing-6);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-gray-200);
}

.auth-footer a {
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.auth-footer a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Inputs de código 2FA */
.code-inputs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.code-input {
    width: 3.5rem;
    height: 3.5rem;
    text-align: center;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-fast);
}

.code-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.2rem rgba(196, 30, 58, 0.25);
    outline: none;
}

/* Timer */
.auth-timer {
    text-align: center;
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-4);
}

.auth-timer .timer {
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-page {
        padding: var(--spacing-4);
        align-items: flex-start;
        padding-top: var(--spacing-8);
    }
    
    .auth-card {
        padding: var(--spacing-6) var(--spacing-4);
        margin: var(--spacing-2);
    }
    
    .auth-logo img {
        width: 120px;
    }
    
    .auth-logo h1 {
        font-size: var(--font-size-xl);
    }
    
    .code-input {
        width: 3rem;
        height: 3rem;
        font-size: var(--font-size-xl);
    }
}