/* 全局样式 - iOS 26 风格 */
:root {
    --background-primary: #f5f5f7;
    --background-secondary: #ffffff;
    --background-tertiary: #f9f9fb;
    --separator: rgba(0, 0, 0, 0.08);
    --label-primary: #1c1c1e;
    --label-secondary: #6c6c70;
    --label-tertiary: #8e8e93;
    --blue: #007aff;
    --green: #34c759;
    --red: #ff3b30;
    --orange: #ff9500;
    --gray: #8e8e93;
    --border-radius: 12px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Text", "SF Pro Display", "Helvetica Neue", Helvetica, Arial, sans-serif;
    background-color: var(--background-primary);
    color: var(--label-primary);
    line-height: 1.5;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--background-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    backdrop-filter: blur(0px);
}

/* 头部 */
.header {
    padding: 20px 24px;
    border-bottom: 0.5px solid var(--separator);
    background-color: var(--background-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-area img {
    height: 36px;
    width: auto;
}

.logo-area h1 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--blue), #5e5ce0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin: 0;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.user-info a {
    text-decoration: none;
    color: var(--blue);
    font-weight: 500;
    transition: opacity 0.2s;
}

.user-info a:hover {
    opacity: 0.7;
}

/* 卡片样式 */
.card {
    background-color: var(--background-secondary);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    border: 0.5px solid var(--separator);
}

.card-header {
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--label-primary);
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    background-color: var(--background-tertiary);
    color: var(--label-primary);
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background-color: var(--blue);
    color: white;
}

.btn-primary:hover {
    background-color: #0066d4;
}

.btn-danger {
    background-color: var(--red);
    color: white;
}

.btn-danger:hover {
    background-color: #e6332a;
}

.btn-outline {
    background-color: transparent;
    border: 0.5px solid var(--separator);
    box-shadow: none;
}

/* 输入框 */
.input-field {
    width: 100%;
    padding: 10px 12px;
    border-radius: 12px;
    border: 0.5px solid var(--separator);
    background-color: var(--background-tertiary);
    font-size: 1rem;
    transition: all 0.2s;
}

.input-field:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.2);
}

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table th {
    text-align: left;
    padding: 12px 8px;
    border-bottom: 0.5px solid var(--separator);
    font-weight: 600;
    color: var(--label-secondary);
}

.table td {
    padding: 12px 8px;
    border-bottom: 0.5px solid var(--separator);
}

/* 消息框 */
.message {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
    background-color: var(--background-tertiary);
    border-left: 4px solid var(--blue);
}

.message.warning {
    border-left-color: var(--red);
    background-color: #fff3f0;
}

/* 进度条 */
.progress-bar {
    background-color: #e9ecef;
    border-radius: 12px;
    overflow: hidden;
    height: 8px;
    margin: 8px 0;
}

.progress {
    background-color: var(--green);
    height: 100%;
    width: 0%;
    transition: width 0.3s;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--background-secondary);
    margin: auto;
    padding: 24px;
    border-radius: 24px;
    max-width: 90%;
    width: 500px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--label-tertiary);
}

/* 响应式 */
@media (max-width: 768px) {
    body {
        padding: 12px;
    }
    .header {
        flex-direction: column;
        align-items: flex-start;
    }
    .user-info {
        justify-content: flex-start;
    }
}

/* 页脚 */
.footer {
    text-align: center;
    padding: 15px 0;
    margin-top: 30px;
    border-top: 1px solid #e0e0e0;
    font-size: 12px;
    color: #6c757d;
}