/*Estilos login modernos*/
:root {
    --primary-blueold: #2563eb;
    --primary-blue: #5785eb;
    --secondary-blue: #3b82f6;
    --light-blue: #60a5fa;
    --primary-green: #10b981;
    --secondary-green: #34d399;
    --light-green: #6ee7b7;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --white: #ffffff;
}

body#login, body#registro {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Efecto de partículas de fondo */
body#login::before, body#registro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(16, 185, 129, 0.2) 0%, transparent 50%);
    z-index: 1;
}

.login-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 450px;
    margin: 2rem;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 3rem 2.5rem;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.2);
    text-align: center;
    position: relative;
    transform: translateY(0);
    transition: all 0.3s ease;
}

.login-box:hover {
    transform: translateY(-5px);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(255, 255, 255, 0.3);
}

.login-header {
    margin-bottom: 2.5rem;
}

.login-logo {
    width: 120px;
    height: auto;
    margin: 0 auto 1.5rem;
    display: block;
    filter: drop-shadow(0 10px 30px rgba(37, 99, 235, 0.3));
    animation: pulse 2s ease-in-out infinite alternate;
    transition: all 0.3s ease;
}

.login-logo:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 15px 35px rgba(37, 99, 235, 0.4));
}

@keyframes pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.login-box h2 {
    margin: 0 0 0.5rem 0;
    color: #333;
    font-weight: 700;
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-subtitle {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 0;
    font-weight: 400;
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #555;
    font-weight: 500;
    font-size: 0.9rem;
}

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 1.1rem;
    z-index: 3;
}

.login-box input[type="text"],
.login-box input[type="password"] {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid #e1e5e9;
    border-radius: 12px;
    font-size: 1rem;
    background: #f8f9fa;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.login-box input[type="text"]:focus,
.login-box input[type="password"]:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.login-box input[type="text"]:focus + i,
.login-box input[type="password"]:focus + i {
    color: var(--primary-blue);
}

.btn-login {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border: none;
    border-radius: 12px;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 1rem;
    position: relative;
    overflow: hidden;
}

.btn-login::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;
}

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

.btn-login:hover {
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--light-blue) 100%);
    transform: translateY(-2px);
    box-shadow: 0 15px 35px rgba(37, 99, 235, 0.4);
}

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

.btn-login:disabled {
    opacity: 0.8;
    cursor: not-allowed;
    transform: none;
}

.btn-login:disabled:hover {
    transform: none;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
}

.login-links {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e1e5e9;
}

.login-links p {
    margin: 0.5rem 0;
    color: #666;
    font-size: 0.9rem;
}

.login-links a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-links a:hover {
    color: var(--primary-green);
    text-decoration: underline;
}

#alertaLogin {
    margin-top: 1rem;
    border-radius: 8px;
    padding: 0.75rem;
    font-weight: 500;
}

/* Animaciones de entrada */
.login-box {
    animation: slideInUp 0.8s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-group {
    animation: fadeInUp 0.6s ease-out forwards;
    opacity: 0;
}

.form-group:nth-child(1) {
    animation-delay: 0.2s;
}

.form-group:nth-child(2) {
    animation-delay: 0.4s;
}

.btn-login {
    animation: fadeInUp 0.6s ease-out 0.6s forwards;
    opacity: 0;
}

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

/* Efecto de enfoque mejorado */
.input-wrapper {
    position: relative;
    overflow: hidden;
}

.input-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-green) 100%);
    transition: width 0.3s ease;
}

.input-wrapper:focus-within::after {
    width: 100%;
}

/* Mejora en alertas */
#alertaLogin .alert {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

/* Responsive */
@media (max-width: 768px) {
    .login-container {
        margin: 1rem;
    }
    
    .login-box {
        padding: 2rem 1.5rem;
        border-radius: 16px;
    }
    
    .login-logo {
        width: 70px;
        height: 70px;
    }
    
    .login-logo i {
        font-size: 1.7rem;
    }
    
    .login-box h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .login-box {
        padding: 1.5rem 1rem;
    }
    
    .login-box input[type="text"],
    .login-box input[type="password"] {
        padding: 0.9rem 0.9rem 0.9rem 2.8rem;
    }
    
    .input-wrapper i {
        left: 0.9rem;
        font-size: 1rem;
    }
}

/* Estilos registro */