:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --border: #e6e8ec;
  --text: #1f2329;
  --muted: #8a919e;
  --primary: #3b6cf6;
  --primary-d: #2f57cc;
  --danger: #e5484d;
  --success-bg: #e7f6ec;
  --success-fg: #1a7f37;
  --error-bg: #fdecec;
  --error-fg: #c62828;
  --radius: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- 登录/注册 ---------- */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card {
  width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 36px 32px; box-shadow: 0 8px 30px rgba(0,0,0,.06);
}
.auth-card.center { text-align: center; }
.brand { font-size: 24px; margin: 0 0 6px; }
.sub { color: var(--muted); margin: 0 0 22px; font-size: 14px; }
.form label { display: block; margin-bottom: 16px; font-size: 13px; color: #4a5060; }
.form input, .form select {
  width: 100%; margin-top: 6px; padding: 10px 12px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; outline: none;
}
.form input:focus { border-color: var(--primary); }
.form small { color: var(--muted); font-size: 12px; }
.switch { text-align: center; margin-top: 18px; font-size: 13px; color: var(--muted); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 9px 16px; border-radius: 8px; font-size: 14px; cursor: pointer; transition: .15s;
}
.btn:hover { background: #f0f2f5; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-d); }
.btn.danger { color: var(--danger); border-color: #f3c6c7; }
.btn.danger:hover { background: var(--error-bg); }
.btn.ghost { background: transparent; }
.btn.block { width: 100%; }
.btn.sm { padding: 6px 12px; font-size: 13px; }

/* ---------- 顶栏 ---------- */
.topbar { background: #fff; border-bottom: 1px solid var(--border); }
.topbar-inner { max-width: 960px; margin: 0 auto; padding: 14px 20px; display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 600; font-size: 17px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.who { color: var(--muted); font-size: 14px; }
.topbar-right form { margin: 0; }

/* ---------- 容器/卡片 ---------- */
.container { max-width: 960px; margin: 0 auto; padding: 24px 20px 60px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 22px; }
.card h2 { margin: 0 0 14px; font-size: 17px; }
.count { display: inline-block; background: #eef1f6; color: var(--muted); font-size: 13px; border-radius: 20px; padding: 1px 10px; margin-left: 4px; }
.hint { color: var(--muted); font-size: 13px; margin: -6px 0 16px; }

/* ---------- 上传表单 ---------- */
.upload-form .row { display: flex; gap: 16px; margin-bottom: 14px; flex-wrap: wrap; }
.upload-form label { font-size: 13px; color: #4a5060; }
.upload-form .grow { flex: 1; min-width: 220px; display: flex; flex-direction: column; }
.upload-form input[type=text], .upload-form input[name=name] { margin-top: 6px; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; }
.upload-form input[type=file] { margin-top: 6px; }
.access-row { align-items: flex-end; }
.access-picker { border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.access-picker legend { font-size: 12px; color: var(--muted); padding: 0 4px; }
.radio { font-size: 14px; display: inline-flex; align-items: center; gap: 5px; }
.pw-input { padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; }

/* ---------- 原型列表 ---------- */
.empty { color: var(--muted); text-align: center; padding: 30px; }
.proto-list { display: flex; flex-direction: column; gap: 14px; }
.proto-item { border: 1px solid var(--border); border-radius: 10px; padding: 16px; display: flex; justify-content: space-between; gap: 14px; }
.proto-item:hover { border-color: #d3d8e0; }
.proto-main { flex: 1; min-width: 0; }
.proto-title { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.badge { font-size: 12px; font-weight: 400; padding: 1px 8px; border-radius: 6px; }
.badge.lock { background: #fdf0e3; color: #b26a00; }
.badge.open { background: #e7f0ff; color: var(--primary); }
.proto-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--muted); font-size: 12px; margin: 8px 0 10px; }
.link-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.link-input { flex: 1; min-width: 200px; font-size: 13px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 6px; background: #fafbfc; color: #4a5060; }
.pw-tip { font-size: 12px; color: var(--muted); }
.pw-tip code { background: #f0f2f5; padding: 1px 6px; border-radius: 4px; color: var(--text); }

.proto-actions summary { list-style: none; }
.proto-actions summary::-webkit-details-marker { display: none; }
.action-panel { margin-top: 10px; display: flex; flex-direction: column; gap: 8px; background: #fafbfc; border: 1px solid var(--border); border-radius: 8px; padding: 12px; min-width: 230px; }
.mini-form { display: flex; gap: 6px; align-items: center; margin: 0; flex-wrap: wrap; }
.mini-form input, .mini-form select { padding: 6px 9px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.update-form input[type=file] { flex: 1; min-width: 140px; }

/* ---------- 提示条 ---------- */
.alert { padding: 10px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 18px; }
.alert.success { background: var(--success-bg); color: var(--success-fg); }
.alert.error { background: var(--error-bg); color: var(--error-fg); }

.site-foot { text-align: center; color: var(--muted); font-size: 12px; padding: 20px; }