* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    padding: 20px;
}

.login-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    display: flex;
    overflow: hidden;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Lado izquierdo - Formulario */
.login-left {
    flex: 1;
    padding: 50px;
    background: white;
}

.login-header {
    margin-bottom: 40px;
}

.login-header h1 {
    font-size: 2.2rem;
    color: #333;
    font-weight: 600;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 0.95rem;
}

/* Grupos de input */
.input-group {
    position: relative;
    margin-bottom: 25px;
}

.input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    transition: color 0.3s;
}

.input-group input {
    width: 100%;
    padding: 15px 45px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
}

.input-group input:focus {
    border-color: #667eea;
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-group input:focus + .input-icon {
    color: #667eea;
}

.password-toggle {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #999;
}

.password-toggle:hover {
    color: #667eea;
}

/* Recordar y olvidar contraseña */
.remember-forgot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 0.9rem;
}

.remember {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #666;
    cursor: pointer;
}

.remember input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: #667eea;
}

.forgot-link {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s;
}

.forgot-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Botón de login */
.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
    margin-bottom: 25px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

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

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

/* Login social */
.social-login {
    text-align: center;
    margin-bottom: 20px;
}

.social-login p {
    color: #999;
    font-size: 0.9rem;
    margin-bottom: 15px;
    position: relative;
}

.social-login p::before,
.social-login p::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 30%;
    height: 1px;
    background: #e1e1e1;
}

.social-login p::before {
    left: 0;
}

.social-login p::after {
    right: 0;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.social-icon {
    width: 45px;
    height: 45px;
    border: 2px solid #e1e1e1;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    text-decoration: none;
    transition: all 0.3s;
}

.social-icon:hover {
    background: #667eea;
    border-color: #667eea;
    color: white;
    transform: translateY(-2px);
}

/* Enlace de registro */
.register-link {
    text-align: center;
    color: #666;
    font-size: 0.95rem;
}

.register-link a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.register-link a:hover {
    color: #764ba2;
    text-decoration: underline;
}

/* Lado derecho - Overlay */
.login-right {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay-content {
    text-align: center;
    color: white;
    padding: 40px;
}

.overlay-content h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.overlay-content p {
    font-size: 1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.register-btn {
    padding: 12px 35px;
    background: transparent;
    border: 2px solid white;
    border-radius: 25px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.register-btn:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

/* Mensajes de notificación */
.message-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

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

.message {
    padding: 15px 25px;
    border-radius: 10px;
    color: white;
    font-weight: 500;
    margin-bottom: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
}

.message.success {
    background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
}

.message.error {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.message i {
    font-size: 1.2rem;
}

/* Dashboard */
.navbar {
    background: white;
    padding: 15px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 20px;
}

.user-name {
    font-weight: 500;
    color: #333;
}

.logout-btn {
    padding: 8px 16px;
    background: #ff4757;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

.logout-btn:hover {
    background: #ff3838;
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(255, 71, 87, 0.3);
}

.dashboard-container {
    margin-top: 80px;
    padding: 30px;
}

.welcome-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    animation: slideUp 0.5s ease;
}

.welcome-card h1 {
    color: #333;
    margin-bottom: 10px;
}

.welcome-card p {
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
    }
    
    .login-left {
        padding: 30px;
    }
    
    .login-header h1 {
        font-size: 1.8rem;
    }
    
    .overlay-content h2 {
        font-size: 1.8rem;
    }
    
    .login-right {
        min-height: 200px;
    }
}

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