:root {
    --primary-color: #ff6b81;
    --secondary-color: #8e44ad;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #2ecc71;
    --error-color: #e74c3c;
}

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

body {
    font-family: 'Arial', sans-serif;
    background: url('https://api.yimian.xyz/img?type=moe') no-repeat center center fixed;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.login-container {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 450px;
    z-index: 10;
    animation: fadeIn 0.8s ease-in-out;
}

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

.login-header h1 {
    color: var(--secondary-color);
    font-size: 28px;
    margin-bottom: 10px;
}

.login-header p {
    color: var(--dark-color);
    opacity: 0.7;
    font-size: 16px;
}

.login-error {
    background-color: #fff1f1;
    border-left: 4px solid var(--error-color);
    padding: 12px 16px;
    margin-bottom: 20px;
    color: var(--error-color);
    font-size: 14px;
    animation: shake 0.5s ease-in-out;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--dark-color);
    font-size: 14px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e1e1;
    border-radius: 8px;
    font-size: 15px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group button {
    width: 100%;
    padding: 14px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.form-group button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.anime-character {
    position: absolute;
    right: 0;
    bottom: -80px;
    width: 500px;
    height: 600px;
    background-image: url('../images/anime-character.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: bottom right;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@media (max-width: 992px) {
    .anime-character {
        width: 400px;
        opacity: 0.3;
    }
}

@media (max-width: 768px) {
    .login-box {
        width: 90%;
        padding: 30px;
    }
    
    .anime-character {
        display: none;
    }
}