/* RunningHub AI 样式 */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background: #0f0f1a; color: #e0e0e0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
    padding: 20px; line-height: 1.6;
}
a { color: #e94560; text-decoration: none; }
a:hover { color: #ff6b81; }

/* 顶部栏 */
.header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 24px; background: #1a1a2e; border-radius: 12px;
    margin-bottom: 24px; flex-wrap: wrap; gap: 12px;
}
.header h1 { font-size: 20px; color: #fff; }
.header .user-info { color: #aaa; font-size: 14px; }
.header .user-info b { color: #e94560; }

/* 卡片 */
.card {
    background: #1a1a2e; border-radius: 12px; padding: 24px;
    margin-bottom: 20px; border: 1px solid #2a2a4a;
}
.card h2 { color: #fff; margin-bottom: 16px; font-size: 18px; }

/* 表单 */
label { display: block; margin-bottom: 6px; color: #aaa; font-size: 14px; }
input, select, textarea {
    width: 100%; padding: 11px 12px; margin-bottom: 14px;
    border: 1px solid #333; border-radius: 8px;
    background: #16213e; color: #fff; font-size: 14px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: #e94560; }

/* 按钮 */
button {
    padding: 11px 22px; background: #e94560; color: #fff;
    border: none; border-radius: 8px; cursor: pointer; font-size: 14px;
    transition: background .2s;
}
button:hover:not(:disabled) { background: #ff6b81; }
button:disabled { opacity: .5; cursor: not-allowed; }
.btn-outline { background: transparent; border: 1px solid #555; color: #ccc; }

/* 上传区 */
.upload-area { display: flex; gap: 20px; flex-wrap: wrap; margin-bottom: 16px; }
.upload-box { flex: 1; min-width: 240px; }
.preview {
    width: 100%; min-height: 120px; background: #0f0f1a; border: 1px dashed #444;
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    margin-top: 8px; color: #666; overflow: hidden;
}
.preview img, .preview video { max-width: 100%; max-height: 200px; border-radius: 6px; }

/* 两列布局 */
.row { display: flex; gap: 20px; flex-wrap: wrap; }
.col { flex: 1; min-width: 280px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px; border-bottom: 1px solid #2a2a4a; text-align: left; }
th { color: #888; font-weight: normal; }

/* 提示条 */
.tip { text-align: center; margin-top: 16px; color: #888; font-size: 14px; }