/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 登录页面专用样式 */
.login-page body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* 后台管理页面body样式重置 */
.admin-page body {
    background: #f5f7fa;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* 登录容器 */
.login-container {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
}

.login-card {
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, #FF6B00, #FF8C00);
}

/* Logo区域 */
.logo-section {
    text-align: center;
    margin-bottom: 40px;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FF6B00, #FF8C00);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(255, 107, 0, 0.3);
    animation: float 3s ease-in-out infinite;
}

.logo-icon i {
    font-size: 36px;
    color: #fff;
}

.logo-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #FF6B00, #FF8C00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 16px;
    color: #666;
    font-weight: 500;
}

/* 表单样式 */
.login-form {
    margin-bottom: 30px;
}

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

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 15px;
    color: #999;
    font-size: 16px;
    z-index: 2;
}

.input-wrapper input {
    width: 100%;
    height: 50px;
    padding: 0 50px 0 45px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 16px;
    color: #333;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #FF6B00;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.input-wrapper input::placeholder {
    color: #999;
}

/* 密码显示切换 */
.toggle-password {
    position: absolute;
    right: 15px;
    color: #999;
    cursor: pointer;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: #FF6B00;
}

/* 复选框样式 */
.form-options {
    margin-bottom: 25px;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: #666;
}

.checkbox-wrapper input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #e5e7eb;
    border-radius: 4px;
    margin-right: 10px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark {
    background: #FF6B00;
    border-color: #FF6B00;
}

.checkbox-wrapper input[type="checkbox"]:checked + .checkmark::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    font-size: 12px;
}

/* 登录按钮 */
.login-btn {
    width: 100%;
    height: 50px;
    background: linear-gradient(135deg, #FF6B00, #FF8C00);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.3);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

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

.login-btn i {
    font-size: 16px;
}

/* 底部信息 */
.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

.login-footer p {
    color: #999;
    font-size: 14px;
}

/* 动画效果 */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 响应式设计 */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .logo-title {
        font-size: 24px;
    }
    
    .logo-icon {
        width: 60px;
        height: 60px;
    }
    
    .logo-icon i {
        font-size: 28px;
    }
}

/* 加载状态 */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

.loading .login-btn {
    position: relative;
}

.loading .login-btn::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 错误提示 */
.error-message {
    background: #fee;
    color: #e53e3e;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #fed7d7;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

/* 成功提示 */
.success-message {
    background: #f0fff4;
    color: #38a169;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #c6f6d5;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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