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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Unificar estilo para enlaces en todo el sistema (sin diferencia visitado/no-visitado) */
a, a:link, a:visited { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

/* Contenedor principal del login */
.login-container {
    width: 100%;
    max-width: 400px;
    perspective: 1000px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    transition: all 0.3s ease;
    animation: slideIn 0.6s ease-out;
}

.login-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* Animación de entrada */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Header del login */
.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    font-size: 3rem;
    color: #ffffff;
    margin-bottom: 10px;
    animation: pulse 2s infinite;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    padding: 10px;
    border: 3px solid #1e3a8a;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 0 20px rgba(30, 58, 138, 0.3);
    }
    50% { 
        transform: scale(1.05); 
        box-shadow: 0 0 30px rgba(30, 58, 138, 0.6);
    }
}

.login-header h1 {
    color: #333;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-header p {
    color: #666;
    font-size: 0.9rem;
}

/* Estilos para el slogan de POLARIS */
.slogan-container {
    margin: 15px 0 20px 0;
    padding: 15px;
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.05) 0%, rgba(30, 64, 175, 0.05) 100%);
    border-radius: 12px;
    border: 1px solid rgba(30, 58, 138, 0.1);
}

.main-slogan {
    color: #1e3a8a;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    line-height: 1.4;
    margin-bottom: 8px;
}

.main-slogan strong {
    color: #1e40af;
    font-weight: 700;
    font-size: 1.05em;
}

.login-subtitle {
    color: #4b5563;
    font-size: 0.8rem;
    font-style: italic;
    margin: 0;
    opacity: 0.8;
}

.login-instruction {
    color: #666;
    font-size: 0.9rem;
    margin-top: 15px;
}

/* Formulario */
.login-form {
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.input-container {
    position: relative;
    width: 100%;
}

.input-container input {
    width: 100%;
    padding: 15px 20px 15px 50px;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8f9fa;
    color: #333 !important;
}

.input-container input:focus {
    outline: none;
    border-color: #1e3a8a;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.input-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #adb5bd;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.input-container input:focus + .input-icon {
    color: #1e3a8a;
}

.toggle-password {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #adb5bd;
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: #1e3a8a;
}

/* Mensajes de error */
.error-message {
    color: #dc3545;
    font-size: 0.8rem;
    margin-top: 5px;
    display: block;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.error-message.show {
    opacity: 1;
    transform: translateY(0);
}

/* Opciones del formulario */
.form-options {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 25px;
}

.remember-me {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.9rem;
    color: #666;
}

.remember-me input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    transition: all 0.3s ease;
}

.remember-me input[type="checkbox"]:checked + .checkmark {
    background: #1e3a8a;
    border-color: #1e3a8a;
}

.remember-me input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 6px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.remember-info {
    display: block;
    margin-top: 8px;
    color: var(--admin-text-secondary, #6b7280);
    font-size: 0.8rem;
    text-align: center;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.remember-info i {
    margin-right: 4px;
    color: var(--admin-primary, #1e3a8a);
}

.remember-me:hover + .remember-info {
    opacity: 1;
}


/* Botón de login */
.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #3b82f6 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(30, 58, 138, 0.3);
}

.login-btn::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;
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(30, 58, 138, 0.4);
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
}

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

.login-btn.loading {
    pointer-events: none;
}

.btn-loader {
    display: none;
}

.login-btn.loading .btn-text {
    opacity: 0;
}

.login-btn.loading .btn-loader {
    display: inline-block;
}

/* Mensajes del login */
.login-message {
    margin-top: 15px;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.login-message.show {
    opacity: 1;
    transform: translateY(0);
}

.login-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.login-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}



/* Responsivo */
@media (max-width: 480px) {
    .login-container {
        padding: 10px;
    }
    
    .login-box {
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 1.8rem;
    }
    
    .logo {
        font-size: 2.5rem;
    }
    
    .form-options {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    /* Estilos responsivos para el slogan */
    .slogan-container {
        padding: 12px;
        margin: 12px 0 15px 0;
    }
    
    .main-slogan {
        font-size: 0.75rem;
        letter-spacing: 0.3px;
    }
    
    .login-subtitle {
        font-size: 0.75rem;
    }
}