/**
 * 登录页面样式
 * @author 晋正东
 * @date 2025-10-07
 */

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

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    padding: 45px 40px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header h1 {
    color: #333;
    font-size: 26px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

.login-form {
    margin-top: 20px;
}

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

.form-item label {
    display: block;
    color: #555;
    font-size: 14px;
    margin-bottom: 8px;
    font-weight: 500;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
    font-size: 18px;
}

.form-item input {
    width: 100%;
    height: 45px;
    padding: 0 15px 0 45px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-item input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    font-size: 13px;
}

.remember-me {
    display: flex;
    align-items: center;
    color: #666;
}

.remember-me input[type="checkbox"] {
    margin-right: 6px;
    width: 16px;
    height: 16px;
}

.forgot-password {
    color: #667eea;
    text-decoration: none;
    transition: color 0.3s;
}

.forgot-password:hover {
    color: #764ba2;
}

.login-btn {
    width: 100%;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.login-footer {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #999;
    font-size: 13px;
}

.login-footer p {
    margin: 5px 0;
    line-height: 1.6;
}

.login-footer a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}

.login-footer a:hover {
    color: #667eea;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .login-container {
        padding: 15px;
    }

    .login-box {
        padding: 35px 25px;
    }

    .login-header h1 {
        font-size: 22px;
    }
}

/* 加载动画 */
.loading {
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin-left: -10px;
    margin-top: -10px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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