/* ============================================================
   Vector MCP 插件商店 - 扁平化设计系统 (flat.css)
   所有商店/上传/管理页面共用。禁止玻璃拟态(backdrop-filter/inset 高光/渐变光斑)。
   主题：<body class="dark"> 切换暗色，cookie 键 vector_theme。
   ============================================================ */

:root {
  --bg:        #f5f6f8;
  --surface:   #ffffff;
  --surface-2: #f0f2f5;
  --surface-3: #e8ebef;
  --border:    #e3e6ea;
  --border-2:  #d3d8de;

  --text:      #111827;
  --text-2:    #5b6472;
  --text-3:    #8b94a3;

  --primary:      #2f80ed;
  --primary-h:    #1f6fdc;
  --primary-weak: #e8f1fe;
  --primary-text: #1b64c4;

  --official:      #f59e0b;
  --official-weak: #fef3e2;
  --dev:           #6366f1;
  --dev-weak:      #eef0fe;
  --price:         #f43f5e;
  --price-weak:    #feecef;
  --success:       #10b981;
  --success-weak:  #e7f8f2;
  --danger:        #ef4444;
  --danger-weak:   #fdeaea;

  --radius:    10px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --radius-pill: 999px;
  --shadow:    0 1px 2px rgba(16, 24, 40, .05);
  --maxw:      1240px;
  --nav-h:     60px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei",
          "PingFang SC", "Hiragino Sans GB", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

body.dark {
  --bg:        #0f1115;
  --surface:   #171a21;
  --surface-2: #1e222b;
  --surface-3: #262b35;
  --border:    #2a2f3a;
  --border-2:  #3a4150;

  --text:      #e8eaed;
  --text-2:    #9aa3b2;
  --text-3:    #6d7686;

  --primary:      #4a90f0;
  --primary-h:    #5c9cf2;
  --primary-weak: #16273d;
  --primary-text: #7fb2f5;

  --official:      #f0ad3c;
  --official-weak: #33280f;
  --dev:           #7d80f5;
  --dev-weak:      #212243;
  --price:         #f2607a;
  --price-weak:    #38181f;
  --success:       #34c896;
  --success-weak:  #10291f;
  --danger:        #f06a6a;
  --danger-weak:   #331a1a;

  --shadow: 0 1px 2px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-h); }

img { max-width: 100%; display: block; }

::selection { background: var(--primary-weak); }

/* ---------------- 布局 ---------------- */

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

.page { padding: 26px 0 60px; }

.row { display: flex; align-items: center; gap: 10px; }
.row.wrap { flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.col { display: flex; flex-direction: column; gap: 10px; }
.spacer { flex: 1; }
.muted { color: var(--text-2); }
.dim { color: var(--text-3); }
.tiny { font-size: 12.5px; }
.small { font-size: 13.5px; }
.mono { font-family: var(--mono); }
.center { text-align: center; }
.hidden { display: none !important; }

h1, h2, h3, h4 { margin: 0; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 26px; }
h2 { font-size: 19px; }
h3 { font-size: 16px; }

/* ---------------- 顶栏 ---------------- */

.flat-nav {
  position: sticky; top: 0; z-index: 50;
  height: var(--nav-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.flat-nav .container { height: 100%; display: flex; align-items: center; gap: 14px; }
.flat-nav .brand { display: flex; align-items: center; gap: 9px; color: var(--text); font-weight: 650; font-size: 16px; }
.flat-nav .brand img { width: 26px; height: 26px; }
.flat-nav .brand span { color: var(--text-3); font-weight: 500; }
.flat-nav .nav-links { display: flex; align-items: center; gap: 4px; margin-left: 8px; }
.flat-nav .nav-link {
  padding: 7px 12px; border-radius: var(--radius-sm); color: var(--text-2);
  font-size: 14px; font-weight: 550;
}
.flat-nav .nav-link:hover { background: var(--surface-2); color: var(--text); }
.flat-nav .nav-link.active { background: var(--primary-weak); color: var(--primary-text); }
.flat-nav .nav-user { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.flat-nav .nav-user-name { font-size: 14px; font-weight: 550; color: var(--text); }
.flat-nav .nav-avatar { width: 30px; height: 30px; border-radius: var(--radius-pill); border: 1px solid var(--border); object-fit: cover; background: var(--surface-2); }

.icon-btn {
  width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-2);
  border-radius: var(--radius-sm); cursor: pointer; font-size: 15px; padding: 0;
}
.icon-btn:hover { border-color: var(--border-2); color: var(--text); }

/* ---------------- 按钮 ---------------- */

.flat-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 38px; padding: 0 16px;
  border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text);
  font-family: inherit; font-size: 14px; font-weight: 550;
  cursor: pointer; white-space: nowrap;
  transition: background .13s ease, border-color .13s ease, color .13s ease;
}
.flat-btn:hover { background: var(--surface-2); border-color: var(--border-2); }
.flat-btn:disabled { opacity: .5; cursor: not-allowed; }

.flat-btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.flat-btn.primary:hover { background: var(--primary-h); border-color: var(--primary-h); }

.flat-btn.soft { background: var(--primary-weak); border-color: transparent; color: var(--primary-text); }
.flat-btn.soft:hover { background: var(--primary-weak); border-color: var(--primary); }

.flat-btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.flat-btn.ghost:hover { background: var(--surface-2); color: var(--text); }

.flat-btn.danger { background: var(--surface); border-color: var(--danger); color: var(--danger); }
.flat-btn.danger:hover { background: var(--danger-weak); }

.flat-btn.sm { height: 30px; padding: 0 11px; font-size: 13px; border-radius: var(--radius-xs); }
.flat-btn.lg { height: 44px; padding: 0 22px; font-size: 15px; }
.flat-btn.block { width: 100%; }

.flat-link { color: var(--primary); font-size: 13.5px; font-weight: 550; cursor: pointer; background: none; border: 0; padding: 0; }
.flat-link:hover { color: var(--primary-h); }

/* ---------------- 卡片 ---------------- */

.flat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.flat-card.pad-lg { padding: 24px; }
.flat-card.flat-plain { border-color: var(--border); box-shadow: none; }

.flat-section-head {
  display: flex; align-items: center; gap: 12px;
  margin: 26px 0 14px;
}
.flat-section-head h2 { font-size: 18px; }
.flat-section-head .count-pill {
  background: var(--surface-2); color: var(--text-2);
  border-radius: var(--radius-pill); padding: 2px 9px; font-size: 12.5px; font-weight: 600;
}

/* ---------------- 表单 ---------------- */

.flat-label {
  display: block; font-size: 13.5px; font-weight: 600; color: var(--text);
  margin-bottom: 6px;
}
.flat-label .req { color: var(--danger); margin-left: 2px; }
.flat-label .hint { font-weight: 400; color: var(--text-3); font-size: 12.5px; margin-left: 4px; }

.flat-input, .flat-textarea, .flat-select {
  width: 100%; padding: 9px 12px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-2); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 14px; line-height: 1.5;
  outline: none; transition: border-color .13s ease, box-shadow .13s ease;
}
.flat-input::placeholder, .flat-textarea::placeholder { color: var(--text-3); }
.flat-input:focus, .flat-textarea:focus, .flat-select:focus {
  border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-weak);
}
.flat-input:disabled, .flat-input[readonly] { background: var(--surface-2); color: var(--text-2); }
.flat-textarea { resize: vertical; min-height: 84px; }
.flat-select { appearance: none; background-image: none; cursor: pointer; }

.flat-field { margin-bottom: 16px; }
.flat-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.flat-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

.flat-hint { font-size: 12.5px; color: var(--text-3); margin-top: 5px; }

/* ---------------- 徽标 / 标签 ---------------- */

.flat-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px; border-radius: var(--radius-xs);
  font-size: 12px; font-weight: 600; line-height: 1.7;
  background: var(--surface-2); color: var(--text-2);
}
.flat-badge.official { background: var(--official-weak); color: var(--official); }
.flat-badge.dev      { background: var(--dev-weak);      color: var(--dev); }
.flat-badge.free     { background: var(--success-weak);  color: var(--success); }
.flat-badge.price    { background: var(--price-weak);    color: var(--price); }
.flat-badge.primary  { background: var(--primary-weak);  color: var(--primary-text); }
.flat-badge.danger   { background: var(--danger-weak);   color: var(--danger); }

.flat-tag {
  display: inline-block; padding: 1px 7px; margin: 0 5px 5px 0;
  background: var(--surface-2); color: var(--text-2);
  border-radius: var(--radius-xs); font-size: 12px;
}

/* ---------------- 标签页 ---------------- */

.flat-tabs {
  display: inline-flex; gap: 2px; padding: 3px;
  background: var(--surface-2); border-radius: var(--radius-sm);
}
.flat-tab {
  border: 0; background: transparent; color: var(--text-2);
  font-family: inherit; font-size: 13.5px; font-weight: 600;
  padding: 6px 13px; border-radius: var(--radius-xs); cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
}
.flat-tab:hover { color: var(--text); }
.flat-tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.flat-tab .count { font-size: 12px; color: var(--text-3); }

/* ---------------- 插件网格 ---------------- */

.flat-grid {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fill, minmax(268px, 1fr));
}

.plugin-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
  display: flex; flex-direction: column; gap: 12px;
  transition: border-color .13s ease;
}
.plugin-card:hover { border-color: var(--border-2); }
.plugin-card .pc-head { display: flex; align-items: flex-start; gap: 11px; }
.plugin-card .pc-icon {
  width: 42px; height: 42px; flex: none;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface-2); border-radius: var(--radius-sm);
  font-size: 18px; color: var(--primary);
}
.plugin-card .pc-title { font-size: 15.5px; font-weight: 650; margin: 0 0 2px; }
.plugin-card .pc-author { font-size: 12.5px; color: var(--text-3); }
.plugin-card .pc-badges { display: flex; flex-wrap: wrap; gap: 5px; }
.plugin-card .pc-desc {
  font-size: 13.5px; color: var(--text-2); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 40px;
}
.plugin-card .pc-foot {
  display: flex; align-items: center; gap: 8px;
  padding-top: 12px; border-top: 1px solid var(--border); margin-top: auto;
}
.plugin-card .pc-stats { display: flex; gap: 12px; font-size: 12.5px; color: var(--text-3); }
.plugin-card .pc-stats i { margin-right: 4px; }

/* ---------------- 空态 / 载入 ---------------- */

.flat-empty {
  padding: 64px 20px; text-align: center; color: var(--text-3);
  background: var(--surface); border: 1px dashed var(--border-2); border-radius: var(--radius);
}
.flat-empty i { font-size: 26px; margin-bottom: 10px; display: block; color: var(--text-3); }
.flat-empty h3 { color: var(--text-2); margin-bottom: 6px; }

.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 37%, var(--surface-2) 63%);
  background-size: 400% 100%; animation: sk 1.2s ease infinite; border-radius: var(--radius-xs);
}
@keyframes sk { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

.spinner {
  width: 15px; height: 15px; border: 2px solid var(--border-2); border-top-color: var(--primary);
  border-radius: 50%; display: inline-block; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- 进度条 ---------------- */

.flat-progress { height: 8px; background: var(--surface-3); border-radius: var(--radius-pill); overflow: hidden; }
.flat-progress > i { display: block; height: 100%; width: 0; background: var(--primary); border-radius: var(--radius-pill); transition: width .2s ease; }

/* ---------------- 拖拽上传 ---------------- */

.flat-drop {
  border: 2px dashed var(--border-2); border-radius: var(--radius);
  background: var(--surface); padding: 34px 20px; text-align: center;
  cursor: pointer; transition: border-color .13s ease, background .13s ease;
}
.flat-drop:hover, .flat-drop.over { border-color: var(--primary); background: var(--primary-weak); }
.flat-drop .drop-icon { font-size: 30px; color: var(--primary); }
.flat-drop .drop-title { font-size: 16px; font-weight: 650; margin: 10px 0 4px; }
.flat-drop .drop-hint { font-size: 13px; color: var(--text-3); }
.flat-drop.has-file { border-style: solid; border-color: var(--success); background: var(--success-weak); }

/* ---------------- 列表 ---------------- */

.flat-list { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.flat-list .li {
  display: flex; align-items: center; gap: 14px; padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}
.flat-list .li:last-child { border-bottom: 0; }
.flat-list .li:hover { background: var(--surface-2); }
.flat-list .li .li-icon {
  width: 38px; height: 38px; flex: none; display: flex; align-items: center; justify-content: center;
  background: var(--surface-2); border-radius: var(--radius-sm); color: var(--primary); font-size: 16px;
}
.flat-list .li .li-main { min-width: 0; flex: 1; }
.flat-list .li .li-title { font-size: 14.5px; font-weight: 600; }
.flat-list .li .li-sub { font-size: 12.5px; color: var(--text-3); }

/* ---------------- 统计 ---------------- */

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat-card .val { font-size: 24px; font-weight: 700; letter-spacing: -.02em; }
.stat-card .lbl { font-size: 12.5px; color: var(--text-3); margin-top: 2px; }

/* ---------------- 提示 ---------------- */

.flat-toast {
  position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 14px);
  background: var(--text); color: var(--bg);
  padding: 10px 18px; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 550;
  opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; z-index: 300;
}
.flat-toast.show { opacity: 1; transform: translate(-50%, 0); }
.flat-toast.err { background: var(--danger); color: #fff; }

.flat-alert {
  border: 1px solid var(--border-2); border-left: 3px solid var(--primary);
  background: var(--surface-2); border-radius: var(--radius-sm);
  padding: 11px 14px; font-size: 13.5px; color: var(--text-2);
}
.flat-alert.warn { border-left-color: var(--official); background: var(--official-weak); color: var(--text-2); }
.flat-alert.err  { border-left-color: var(--danger);   background: var(--danger-weak);   color: var(--text-2); }
.flat-alert.ok   { border-left-color: var(--success);  background: var(--success-weak);  color: var(--text-2); }

/* ---------------- 弹层（仅用于小型确认/支付，绝不用于上传） ---------------- */

.flat-overlay {
  position: fixed; inset: 0; background: rgba(15, 17, 21, .5);
  display: none; align-items: center; justify-content: center; z-index: 200; padding: 20px;
}
.flat-overlay.show { display: flex; }
.flat-modal {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); width: 100%; max-width: 440px;
  max-height: 88vh; overflow: auto; padding: 22px;
}
.flat-modal h3 { margin-bottom: 14px; }
.flat-modal .modal-close {
  float: right; border: 0; background: none; color: var(--text-3);
  font-size: 20px; line-height: 1; cursor: pointer; padding: 0 2px;
}
.flat-modal .modal-close:hover { color: var(--text); }

/* ---------------- 页脚 ---------------- */

.flat-footer {
  border-top: 1px solid var(--border); margin-top: 46px; padding: 22px 0;
  color: var(--text-3); font-size: 13px; text-align: center;
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 860px) {
  .flat-grid-2, .flat-grid-3 { grid-template-columns: 1fr; }
  .flat-nav .nav-links { display: none; }
  h1 { font-size: 22px; }
  .container { padding: 0 15px; }
}