/* admin-styles.css - Estilos exclusivos para el panel de administración */

/* Variables CSS personalizadas para admin */
:root {
    /* Colores principales admin */
    --admin-primary: #2c3e50;
    --admin-secondary: #3498db;
    --admin-accent: #e74c3c;
    --admin-success: #27ae60;
    --admin-warning: #f39c12;
    --admin-danger: #c0392b;
    
    /* Colores de fondo */
    --admin-bg-dark: #1a252f;
    --admin-bg-light: #ecf0f1;
    --admin-bg-card: #ffffff;
    --admin-bg-sidebar: #2c3e50;
    
    /* Colores de texto */
    --admin-text-dark: #2c3e50;
    --admin-text-light: #ffffff;
    --admin-text-muted: #7f8c8d;
    
    /* Sombras */
    --admin-shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --admin-shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --admin-shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --admin-shadow-xl: 0 20px 25px rgba(0,0,0,0.1);
    
    /* Bordes */
    --admin-border-radius: 8px;
    --admin-border-color: #bdc3c7;
    
    /* Espaciado */
    --admin-spacing-xs: 0.5rem;
    --admin-spacing-sm: 1rem;
    --admin-spacing-md: 1.5rem;
    --admin-spacing-lg: 2rem;
    --admin-spacing-xl: 3rem;
}

/* Reset y estilos base */
.admin-login-body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--admin-bg-dark) 0%, #34495e 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-text-dark);
}

/* Contenedor principal del login admin */
.admin-login-container {
    display: flex;
    max-width: 1200px;
    width: 90%;
    min-height: 700px;
    background: var(--admin-bg-card);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--admin-shadow-xl);
    animation: adminFadeIn 0.8s ease-out;
}

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

/* Panel izquierdo - Branding */
.admin-login-left {
    flex: 1;
    background: linear-gradient(135deg, var(--admin-primary) 0%, #1a252f 100%);
    color: var(--admin-text-light);
    padding: var(--admin-spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.admin-login-left::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    opacity: 0.1;
}

.admin-branding {
    position: relative;
    z-index: 1;
}

.admin-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--admin-secondary), #2980b9);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--admin-spacing-lg);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.admin-logo i {
    font-size: 2.5rem;
    color: white;
}

.admin-branding h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 var(--admin-spacing-xs) 0;
    background: linear-gradient(135deg, white, #ecf0f1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.saas-label {
    display: inline-block;
    background: var(--admin-accent);
    color: white;
    font-size: 0.8rem;
    padding: 0.2rem 0.8rem;
    border-radius: 20px;
    vertical-align: middle;
    margin-left: 10px;
    font-weight: 600;
}

.admin-branding h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0 0 var(--admin-spacing-md) 0;
    color: var(--admin-secondary);
}

.admin-tagline {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: var(--admin-spacing-xl);
}

/* Features list */
.admin-features {
    margin-top: var(--admin-spacing-xl);
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: var(--admin-spacing-md);
    padding: var(--admin-spacing-sm);
    background: rgba(255,255,255,0.05);
    border-radius: var(--admin-border-radius);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(255,255,255,0.1);
    transform: translateX(5px);
}

.feature-item i {
    font-size: 1.2rem;
    color: var(--admin-secondary);
    margin-right: var(--admin-spacing-sm);
    width: 24px;
}

.feature-item span {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.9);
}

/* Maintenance alert */
.maintenance-alert {
    background: rgba(231, 76, 60, 0.15);
    border-left: 4px solid var(--admin-accent);
    padding: var(--admin-spacing-sm);
    border-radius: var(--admin-border-radius);
    display: flex;
    align-items: flex-start;
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.maintenance-alert i {
    color: var(--admin-accent);
    font-size: 1.2rem;
    margin-right: var(--admin-spacing-sm);
    margin-top: 2px;
}

.maintenance-alert strong {
    display: block;
    color: var(--admin-accent);
    font-size: 0.9rem;
    margin-bottom: 2px;
}

.maintenance-alert p {
    margin: 0;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.8);
}

/* Panel derecho - Formulario */
.admin-login-right {
    flex: 1;
    padding: var(--admin-spacing-xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-form-wrapper {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: var(--admin-spacing-xl);
}

.form-header h3 {
    font-size: 1.8rem;
    color: var(--admin-primary);
    margin: 0 0 var(--admin-spacing-xs) 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.form-header h3 i {
    color: var(--admin-secondary);
}

.form-header p {
    color: var(--admin-text-muted);
    margin: 0;
}

/* Alertas */
.admin-alert {
    background: rgba(192, 57, 43, 0.1);
    border: 1px solid rgba(192, 57, 43, 0.2);
    border-radius: var(--admin-border-radius);
    padding: var(--admin-spacing-sm);
    margin-bottom: var(--admin-spacing-lg);
    display: flex;
    align-items: center;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-alert i {
    color: var(--admin-danger);
    margin-right: var(--admin-spacing-sm);
    font-size: 1.2rem;
}

.admin-alert span {
    color: var(--admin-danger);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Formulario */
.admin-login-form {
    background: var(--admin-bg-card);
    padding: 0;
}

.form-group {
    margin-bottom: var(--admin-spacing-lg);
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--admin-primary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-label i {
    color: var(--admin-secondary);
    font-size: 0.9rem;
}

.input-group {
    position: relative;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--admin-border-color);
    border-radius: var(--admin-border-radius);
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
    box-sizing: border-box;
}

.form-control:focus {
    outline: none;
    border-color: var(--admin-secondary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-control::placeholder {
    color: #95a5a6;
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--admin-text-muted);
    cursor: pointer;
    padding: 5px;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.password-toggle:hover {
    color: var(--admin-secondary);
}

/* Botón de login */
.btn-admin-login {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-bg-dark));
    color: white;
    border: none;
    border-radius: var(--admin-border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    margin-top: var(--admin-spacing-lg);
}

.btn-admin-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-lg);
    background: linear-gradient(135deg, var(--admin-bg-dark), var(--admin-primary));
}

.btn-admin-login:active {
    transform: translateY(0);
}

.btn-admin-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Form options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--admin-spacing-md) 0;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--admin-success);
    font-size: 0.85rem;
    font-weight: 500;
}

.security-badge i {
    font-size: 1rem;
}

/* Form footer */
.form-footer {
    margin-top: var(--admin-spacing-xl);
    padding-top: var(--admin-spacing-md);
    border-top: 1px solid var(--admin-border-color);
}

.login-info {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--admin-text-muted);
    font-size: 0.85rem;
    margin-bottom: var(--admin-spacing-md);
}

.login-info i {
    color: var(--admin-warning);
}

.back-to-login {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--admin-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-to-login:hover {
    color: var(--admin-primary);
    gap: 12px;
}

/* Security notice */
.security-notice {
    margin-top: var(--admin-spacing-xl);
    padding: var(--admin-spacing-sm);
    background: rgba(243, 156, 18, 0.05);
    border: 1px solid rgba(243, 156, 18, 0.1);
    border-radius: var(--admin-border-radius);
    font-size: 0.85rem;
}

.security-notice i {
    color: var(--admin-warning);
    float: left;
    margin-right: 10px;
    font-size: 1rem;
    margin-top: 2px;
}

.security-notice p {
    margin: 0;
    color: var(--admin-text-muted);
    line-height: 1.5;
}

.security-notice strong {
    color: var(--admin-warning);
}

/* Version info */
.version-info {
    margin-top: auto;
    text-align: center;
    color: var(--admin-text-muted);
    font-size: 0.85rem;
    padding-top: var(--admin-spacing-lg);
    border-top: 1px solid var(--admin-border-color);
}

.version-info span {
    margin: 0 5px;
}

/* Responsive */
@media (max-width: 992px) {
    .admin-login-container {
        flex-direction: column;
        min-height: auto;
        width: 95%;
        margin: 20px auto;
    }
    
    .admin-login-left,
    .admin-login-right {
        padding: var(--admin-spacing-lg);
    }
    
    .admin-branding h1 {
        font-size: 2rem;
    }
    
    .admin-branding h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .admin-login-container {
        border-radius: 10px;
    }
    
    .admin-login-left,
    .admin-login-right {
        padding: var(--admin-spacing-md);
    }
    
    .admin-logo {
        width: 60px;
        height: 60px;
        margin-bottom: var(--admin-spacing-md);
    }
    
    .admin-logo i {
        font-size: 1.8rem;
    }
    
    .form-header h3 {
        font-size: 1.5rem;
    }
    
    .btn-admin-login {
        padding: 14px;
    }
}

/* Animaciones adicionales */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.btn-admin-login:focus {
    animation: pulse 0.5s ease-in-out;
}

/* Estilos para modo oscuro del sistema */
@media (prefers-color-scheme: dark) {
    :root {
        --admin-bg-card: #2c3e50;
        --admin-text-dark: #ecf0f1;
        --admin-border-color: #4a6572;
        --admin-text-muted: #b0bec5;
    }
    
    .form-control {
        background: #34495e;
        color: white;
        border-color: #4a6572;
    }
    
    .form-control:focus {
        background: #3d566e;
    }
}