:root{--blue-900:#1e3a8a;--blue-700:#1d4ed8;--blue-600:#2563eb;--blue-500:#3b82f6;--blue-300:#93c5fd;--bg:#f7fafc;--card:#ffffff;--text:#0f172a;--muted:#6b7280;--border:#e5e7eb;--shadow:0 8px 20px rgba(17,24,39,.08);--danger:#ef4444}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}
body{padding:0;margin:0}
.container{max-width:1280px;margin:0 auto;padding:28px}


/* 表单样式 */
.upload-form{display:flex;flex-direction:column;gap:16px}
.upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;height:320px;border:2px dashed var(--blue-500);border-radius:16px;background:linear-gradient(180deg,rgba(59,130,246,.08),rgba(59,130,246,.04));color:#374151;text-align:center}
.upload-zone:hover{border-color:var(--blue-700);background:linear-gradient(180deg,rgba(59,130,246,.12),rgba(59,130,246,.06))}
.upload-zone.drag{border-color:var(--blue-700)}
.upload-icon{font-size:28px;margin-bottom:6px}
.upload-cta{font-size:18px;font-weight:600}
.upload-sub{font-size:13px;color:var(--muted);margin-top:6px}
.selected-file{margin-top:6px;color:var(--muted)}
.actions{display:flex;gap:12px}
.actions .btn-upload{flex:1}
.btn-upload{width:100%;background:linear-gradient(90deg,var(--blue-600),var(--blue-700));color:#fff;border:none;padding:14px 18px;border-radius:14px;box-shadow:0 8px 16px rgba(37,99,235,.25);display:flex;align-items:center;justify-content:center;gap:8px;font-weight:600}
.btn-upload:hover{background:linear-gradient(90deg,var(--blue-700),var(--blue-700));transform:translateY(-1px)}

.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.form-label{font-weight:600;color:#1f2937}
.input,.textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;outline:none;background:#fff;color:#0f172a;box-shadow:inset 0 1px 2px rgba(17,24,39,.04)}
.input:focus,.textarea:focus{border-color:var(--blue-600);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.textarea{min-height:110px;resize:vertical}

/* 表格样式 */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px;border-bottom:1px solid rgba(96,165,250,.2)}
.table th{color:var(--muted);text-align:left}

/* 辅助样式 */
.inline{display:inline}
.code{background:#f8fafc;border:1px solid var(--border);border-radius:8px;padding:12px;overflow:auto;max-height:360px}
.error{background:#fff5f5;border:1px solid #fecaca;color:#991b1b;padding:10px;border-radius:8px}
.ai-output{background:#eff6ff;border:1px solid #c7d2fe;color:#0f172a;padding:12px;border-radius:8px;white-space:pre-wrap;max-height:360px;overflow:auto;line-height:1.5;word-break:break-word}

/* 本地文件区域样式 */
#local{display:flex;flex-direction:column;height:100%}
#local .card-body{display:flex;flex-direction:column;overflow:hidden;padding:0 24px}
#local .file-list{flex:1;min-height:0;overflow:auto;padding-right:0;padding-top:0;padding-bottom:0;margin-top:0;margin-bottom:0}
#local .file-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* 响应式设计 - 移动端适配 */
@media (max-width: 768px) {
  /* 调整本地文件区域高度，避免在移动端溢出 */
  #local {
    height: auto;
    min-height: 500px;
  }
  
  /* 本地文件列表在移动端改为单列布局 */
  #local .file-list {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  
  /* 调整上传区域高度，适配移动端 */
  .upload-zone {
    height: 250px;
    padding: 20px;
  }
  
  /* 调整上传图标大小 */
  .upload-icon {
    font-size: 24px;
  }
  
  /* 调整上传按钮区域为单列布局 */
  .actions {
    flex-direction: column;
  }
  
  /* 调整页面容器内边距 */
  .container {
    padding: 16px;
  }
  
  /* 调整代码块样式，适配移动端 */
  .code, .ai-output {
    max-height: 250px;
    padding: 10px;
    font-size: 14px;
  }
  
  /* 调整表单元素样式，适配移动端 */
  .input, .textarea {
    padding: 12px;
    font-size: 16px;
  }
}