/* ==========================================================================
   Autenticación - Estilos específicos para login/register
   ========================================================================== */

/* Layout de Autenticación */
.auth-body {
    min-height: 100vh;
    height: 100vh;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Container principal */
.auth-container {
    position: relative;
    z-index: 10;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    overflow-y: auto;
    overflow-x: hidden;
}

@media (max-height: 700px) {
    .auth-container {
        align-items: flex-start;
        padding: var(--spacing-md) var(--spacing-md);
    }
}

/* Efectos de fondo para auth */
.auth-body::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

/* Partículas animadas */
.auth-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.auth-particles::before,
.auth-particles::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: particles 15s linear infinite;
}

.auth-particles::before {
    width: 60px;
    height: 60px;
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.auth-particles::after {
    width: 40px;
    height: 40px;
    top: 60%;
    left: 80%;
    animation-delay: 7s;
}

@keyframes particles {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) rotate(360deg); opacity: 0; }
}

/* Card de Autenticación */
.auth-card {
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    position: relative;
    z-index: 10;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-card-header {
    background: var(--gradient-primary);
    color: white;
    padding: var(--spacing-2xl);
    text-align: center;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.auth-card-header.register {
    background: var(--gradient-accent);
}

.auth-logo-container {
    background: white;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.auth-logo {
    height: 50px;
    width: 50px;
    object-fit: contain;
}

.auth-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    opacity: 0.9;
    font-size: var(--font-size-base);
}

/* Formularios de Autenticación */
.auth-form {
    padding: var(--spacing-2xl);
}

.auth-input-group {
    margin-bottom: var(--spacing-lg);
}

.auth-input-group label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.auth-input-group .input-group-text {
    background: var(--light-color);
    border: none;
    color: var(--primary-color);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    padding: 12px 16px;
}

.auth-input-group .form-control {
    background: var(--light-color);
    border: none;
    padding: 12px 16px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    transition: all 0.3s ease;
}

.auth-input-group .form-control:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: white;
}

.auth-submit-btn {
    width: 100%;
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius);
    padding: 16px;
    color: white;
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    margin: var(--spacing-lg) 0;
}

.auth-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

.auth-submit-btn.register {
    background: var(--gradient-accent);
}

/* Enlaces de Autenticación */
.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

/* Footer de Autenticación */
.auth-footer {
    position: relative;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    z-index: 10;
    flex-shrink: 0;
}

.auth-footer-text {
    font-size: var(--font-size-sm);
    margin: 0;
}

/* Responsive para Autenticación */
@media (max-width: 768px) {
    .auth-card {
        margin: var(--spacing-md);
        border-radius: var(--border-radius);
        max-width: 100%;
    }
    
    .auth-card-header,
    .auth-form {
        padding: var(--spacing-lg);
    }
    
    .auth-title {
        font-size: var(--font-size-xl);
    }
    
    .auth-logo-container {
        width: 60px;
        height: 60px;
    }
    
    .auth-logo {
        height: 35px;
        width: 35px;
    }
}

@media (max-height: 600px) {
    .auth-card-header {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .auth-form {
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .auth-logo-container {
        width: 50px;
        height: 50px;
        margin-bottom: var(--spacing-md);
    }
    
    .auth-title {
        font-size: var(--font-size-lg);
        margin-bottom: 0.25rem;
    }
    
    .auth-subtitle {
        font-size: var(--font-size-sm);
    }
    
    .auth-input-group {
        margin-bottom: var(--spacing-md);
    }
}

/* Estados de validación */
.auth-input-group .is-invalid {
    border-color: var(--danger-color) !important;
    box-shadow: 0 0 0 3px rgba(245, 87, 108, 0.1) !important;
}

.auth-input-group .is-valid {
    border-color: var(--success-color) !important;
    box-shadow: 0 0 0 3px rgba(136, 216, 192, 0.1) !important;
}

.auth-error-message {
    color: var(--danger-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.auth-success-message {
    color: var(--success-color);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}