:root {
    --primary-color: #2563eb;
    --secondary-color: #1d4ed8;
    --background-color: #f3f4f6;
    --text-color: #374151;
    --error-color: #ef4444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', sans-serif;
}

body {
    background: var(--background-color);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: var(--text-color);
    font-size: 2em;
    margin-bottom: 10px;
}

.login-header p {
    color: #6b7280;
}

.form-group {
    position: relative;
    margin-bottom: 25px;
}

.form-group input {
    width: 100%;
    padding: 12px 40px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group label {
    position: absolute;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    transition: 0.3s ease all;
    color: #9ca3af;
}

.form-group input:focus,
.form-group input:valid {
    border-color: var(--primary-color);
}

.form-group input:focus + label,
.form-group input:valid + label {
    top: -10px;
    left: 15px;
    font-size: 12px;
    background: white;
    padding: 0 5px;
    color: var(--primary-color);
}

.form-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
}

.toggle-password {
    left: auto !important;
    right: 15px;
    cursor: pointer;
}

.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 14px;
}

.remember-forgot label {
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.forgot-password {
    color: var(--primary-color);
    text-decoration: none;
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    transition: background 0.3s ease;
}

.login-btn:hover {
    background: var(--secondary-color);
}

.login-btn i {
    transition: transform 0.3s ease;
}

.login-btn:hover i {
    transform: translateX(5px);
}

@media (max-width: 480px) {
    .login-box {
        padding: 20px;
    }
    
    .remember-forgot {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
}

/* Estilos para mensajes de notificación */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.notification.error {
    background-color: #fee2e2;
    border-left: 4px solid #ef4444;
    color: #991b1b;
}

.notification.success {
    background-color: #dcfce7;
    border-left: 4px solid #22c55e;
    color: #166534;
}

.notification i {
    font-size: 20px;
}

.notification-message {
    font-size: 14px;
    font-weight: 500;
}

.notification-close {
    margin-left: 12px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.notification-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Estilos para el loader */
.loader {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Deshabilitar botón durante la carga */
.login-btn:disabled {
    background-color: #93c5fd;
    cursor: not-allowed;
}