* {
    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;
    overflow-x: hidden;
}

.login-container {
    display: flex;
    width: 90%;
    max-width: 1200px;
    min-height: 600px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

/* Lado izquierdo - Información */
.left-section {
    flex: 1;
    padding: 60px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: white;
    position: relative;
}

.logo-section {
    margin-bottom: 60px;
}

.logo-circle {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: all 0.4s ease;
    cursor: pointer;
}

.logo-circle:hover {
    transform: scale(1.05);
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.house-icon {
    font-size: 48px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
    transition: transform 0.3s ease;
}

.house-icon:hover {
    animation-play-state: paused;
    transform: scale(1.1) rotate(5deg);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-8px) rotate(2deg);
    }
    66% {
        transform: translateY(-4px) rotate(-1deg);
    }
}

.brand-title {
    font-size: 48px;
    font-weight: 300;
    margin-bottom: 15px;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    letter-spacing: -1px;
}

.brand-subtitle {
    font-size: 18px;
    opacity: 0.9;
    font-weight: 300;
    line-height: 1.4;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.quick-access {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    max-width: 280px;
}

.quick-btn {
    padding: 18px 24px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.pesos-btn {
    background: rgba(46, 204, 113, 0.2);
    color: white;
}

.uvr-btn {
    background: rgba(52, 152, 219, 0.2);
    color: white;
}

.clients-btn {
    background: rgba(155, 89, 182, 0.2);
    color: white;
}

.quick-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.2);
}

/* Lado derecho - Formulario */
.right-section {
    flex: 0 0 450px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.login-card {
    width: 100%;
    max-width: 350px;
}

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

.login-header h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

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

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 15px;
    font-size: 18px;
    color: #666;
    z-index: 2;
}

.input-group input {
    width: 100%;
    padding: 16px 16px 16px 50px;
    border: 2px solid #e1e8ed;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

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

.form-options {
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #666;
}

.checkbox-container input {
    margin-right: 8px;
}

.login-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.help-section {
    text-align: center;
    margin-top: 25px;
}

.help-section p {
    font-size: 14px;
    color: #666;
}

.help-section a {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
}

.help-section a:hover {
    text-decoration: underline;
}

/* Alertas */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}

.alert-error {
    background: #fee;
    color: #c53030;
    border: 1px solid #feb2b2;
}

.alert-success {
    background: #f0fff4;
    color: #2f855a;
    border: 1px solid #9ae6b4;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
    padding: 24px 30px 16px;
    border-bottom: 1px solid #e1e8ed;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: #333;
    font-size: 24px;
    font-weight: 600;
}

.close {
    font-size: 28px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.close:hover {
    color: #333;
}

.modal-body {
    padding: 30px;
}

.demo-users-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25px;
}

.demo-category h4 {
    color: #333;
    margin-bottom: 15px;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.demo-item {
    background: #f8f9fa;
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid #e1e8ed;
    font-size: 14px;
    margin-bottom: 8px;
    transition: all 0.3s ease;
}

.demo-item:hover {
    background: #e9ecef;
    border-color: #667eea;
}

.demo-item strong {
    color: #667eea;
    font-weight: 600;
}

/* Responsive */
@media (max-width: 968px) {
    .login-container {
        flex-direction: column;
        width: 95%;
        min-height: auto;
    }
    
    .left-section {
        padding: 40px 30px;
    }
    
    .right-section {
        flex: none;
        padding: 30px;
    }
    
    .brand-title {
        font-size: 36px;
    }
    
    .quick-access {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .quick-btn {
        flex: 1;
        min-width: 120px;
        font-size: 14px;
        padding: 12px 16px;
    }
}

@media (max-width: 480px) {
    .login-container {
        width: 98%;
        margin: 10px;
    }
    
    .left-section,
    .right-section {
        padding: 20px;
    }
    
    .demo-users-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-access {
        flex-direction: column;
    }
}