/* 用户登录和注册页面样式 */
:root {
    --primary-color: #67b299;
    --dark-bg: #21293c;
    --darker-bg: #1a2030;
    --light-text: #9fa7ba;
    --lighter-text: #fff;
    --input-bg: #36425a;
    --input-border: #4a5a7a;
    --button-hover: #4d9c84;
    --error-color: #ff6b81;
    --success-color: #67b299;
}

body {
    background-color: var(--dark-bg);
    color: var(--light-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
    /*line-height: 1.5;*/
    /*margin: 0;*/
    /*padding: 0;*/
    /*min-height: 100vh;*/
    /*display: flex;*/
    /*align-items: center;*/
    /*justify-content: center;*/
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    box-sizing: border-box;
    margin-top: 20%;
}

.login-box {
    background-color: var(--darker-bg);
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-color), #ffd139);
}

.login-box h2 {
    color: var(--lighter-text);
    text-align: center;
    margin-bottom: 30px;
    font-size: 28px;
    font-weight: 600;
    position: relative;
}

.login-box h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: var(--primary-color);
}

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

.login-form input {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--input-border);
    border-radius: 5px;
    background-color: var(--input-bg);
    color: var(--lighter-text);
    font-size: 16px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.login-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(103, 178, 153, 0.2);
    outline: none;
}

.login-form input::placeholder {
    color: var(--light-text);
    opacity: 0.7;
}

.login-form .btn-login {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 5px;
    background-color: var(--primary-color);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.login-form .btn-login:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(103, 178, 153, 0.3);
}

.login-form .btn-login:active {
    transform: translateY(0);
    box-shadow: none;
}

.form-links {
    text-align: center;
    margin-top: 20px;
}

.form-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-links a:hover {
    color: var(--lighter-text);
    text-decoration: underline;
}

/* 错误和成功消息样式 */
.message {
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.error-message {
    background-color: rgba(255, 107, 129, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

.success-message {
    background-color: rgba(103, 178, 153, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

/* 响应式设计 */
@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .login-box h2 {
        font-size: 24px;
    }
    
    .login-form input,
    .login-form .btn-login {
        padding: 12px;
        font-size: 15px;
    }
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-box {
    animation: fadeIn 0.5s ease forwards;
}

/* 注册页面特定样式 */
.register-form .form-group {
    margin-bottom: 15px;
}

/* 输入框图标 */
.input-icon {
    position: relative;
}

.input-icon input {
    padding-left: 45px;
}

.input-icon::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.7;
}

.username-icon::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%239fa7ba"><path d="M12 12c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm0 2c-2.67 0-8 1.34-8 4v2h16v-2c0-2.66-5.33-4-8-4z"/></svg>');
}

.password-icon::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%239fa7ba"><path d="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zm3.1-9H8.9V6c0-1.71 1.39-3.1 3.1-3.1 1.71 0 3.1 1.39 3.1 3.1v2z"/></svg>');
}

.email-icon::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%239fa7ba"><path d="M20 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 4l-8 5-8-5V6l8 5 8-5v2z"/></svg>');
}

.nickname-icon::before {
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%239fa7ba"><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 3c1.66 0 3 1.34 3 3s-1.34 3-3 3-3-1.34-3-3 1.34-3 3-3zm0 14.2c-2.5 0-4.71-1.28-6-3.22.03-1.99 4-3.08 6-3.08 1.99 0 5.97 1.09 6 3.08-1.29 1.94-3.5 3.22-6 3.22z"/></svg>');
}