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

html, body {
    height: 100%;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
}

body {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

/* Contenedor principal del login */
.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

/* Tarjeta del login */
.login-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 40px 30px;
    border: 1px solid #e0e0e0;
}

/* Header del login */
.login-header {
    text-align: center;
    margin-bottom: 30px;
    color: #d5b44f;
}

.login-header h1 {
    font-size: 2.5em;
    font-weight: bold;
    margin: 0;
    line-height: 1;
    color: #d5b44f;
}

.login-header p {
    font-size: 1.1em;
    font-weight: normal;
    margin: 0;
    margin-top: 5px;
    color: #666;
}

/* Formulario */
.login-form {
    width: 100%;
}

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

.form-label {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
    font-size: 14px;
}

.form-label i {
    margin-right: 8px;
    color: #d5b44f;
    font-size: 16px;
}

.form-control {
    width: 100%;
    height: 45px;
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    color: #333;
    background-color: white;
    outline: none;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #d5b44f;
    box-shadow: 0 0 0 3px rgba(213, 180, 79, 0.1);
}

.form-control::placeholder {
    color: #999;
}

/* Botón de login */
.btn-login {
    width: 100%;
    height: 45px;
    background-color: #d5b44f;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.btn-login:hover {
    background-color: #c4a43f;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(213, 180, 79, 0.3);
}

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

.btn-login i {
    font-size: 18px;
}

/* Mensaje de error */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    border: 1px solid #f5c6cb;
}

.error-message i {
    font-size: 16px;
}

/* Animaciones */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.error-shake {
    animation: shake 0.5s ease-in-out;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 15px;
    }
    
    .login-card {
        padding: 30px 20px;
    }
    
    .login-header h1 {
        font-size: 2.2em;
    }
    
    .login-header p {
        font-size: 1em;
    }
}