/**
 * Automas - Estilos de Login
 */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 50%, #DC143C 100%);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: #FFFFFF;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    padding: 40px;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
    max-width: 420px;
    border: 1px solid rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
}

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

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

.login-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
}

.login-logo-text h1 {
    color: #DC143C;
    font-size: 32px;
    font-weight: bold;
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.login-form {
    margin-top: 30px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group label i {
    margin-right: 8px;
    color: #DC143C;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #E0E0E0;
    border-radius: 5px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #DC143C;
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.15);
    transform: translateY(-1px);
    transition: all 0.3s ease;
}

.btn {
    width: 100%;
    padding: 12px;
    background: #DC143C;
    color: #FFFFFF;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn:hover {
    background: #B71C1C;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 20, 60, 0.4);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(220, 20, 60, 0.3);
}

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

.alert {
    padding: 12px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.alert-error {
    background: #FFEBEE;
    color: #C62828;
    border-left: 4px solid #F44336;
}

.alert-error i {
    color: #F44336;
}

/* Loading State */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
}

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

@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
        border-radius: 12px;
    }
    
    .login-logo-text h1 {
        font-size: 24px;
    }
    
    .form-group input {
        font-size: 16px; /* Evita zoom en iOS */
    }
}