/* ============================================================
   Torrly — Design System
   双主题（dark 默认 / light）+ Design Token + 微交互 + 无障碍
   ============================================================ */

:root{
  /* 品牌色 */
  --brand:#38bdf8; --brand-2:#0ea5e9; --brand-strong:#7dd3fc;
  --accent:#818cf8;
  /* 语义色 */
  --ok:#34d399; --ok-d:#10b981; --ok-text:#052e16;
  --danger:#f87171; --warning:#fbbf24; --star:#fbbf24;
  /* 中性色（深色） */
  --bg:#0a0f1e; --bg-2:#0d1424; --panel:#121b31; --panel-2:#0f1729;
  --line:#1f2b47; --line-strong:#2b3a5c; --chip:#182440;
  --text:#eef3fc; --muted:#9aa7bf; --muted-2:#6b7894;
  /* 形状与阴影 */
  --radius:16px; --radius-sm:11px; --radius-lg:22px;
  --shadow:0 10px 30px rgba(0,0,0,.40);
  --shadow-lg:0 24px 60px rgba(0,0,0,.55);
  --glow:0 0 0 3px rgba(56,189,248,.18);
  /* 动效 */
  --dur:.2s; --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;
     -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:var(--brand);text-decoration:none;transition:color var(--dur) var(--ease)}
button{font-family:inherit}
button,a,input,select{touch-action:manipulation}

/* 焦点可见性（双主题统一） */
:focus{outline:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* 滚动条（深色） */
::-webkit-scrollbar{width:12px;height:12px}
::-webkit-scrollbar-thumb{background:var(--line-strong);border:3px solid var(--bg);border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:var(--muted-2)}
::-webkit-scrollbar-track{background:transparent}

/* 动画令牌 + reduced-motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

.wrap{max-width:960px;margin:0 auto;padding:0 20px}

/* ============ 顶部导航 ============ */
header.nav{position:sticky;top:0;z-index:20;background:rgba(10,15,30,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
          border-bottom:1px solid var(--line)}
.nav-inner{max-width:960px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.logo{font-size:20px;font-weight:800;letter-spacing:.4px;color:var(--text);display:flex;align-items:center;gap:9px}
.logo .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2));
           box-shadow:0 0 0 3px rgba(56,189,248,.18),0 0 14px var(--brand)}
.nav-spacer{flex:1}
.nav a.link{color:var(--muted);font-size:14px;font-weight:500}
.nav a.link:hover{color:var(--text)}

/* 语言切换 */
.lang-switch select{background:var(--chip);border:1px solid var(--line);color:var(--muted);font-size:13px;
    padding:7px 10px;border-radius:9px;cursor:pointer;outline:none;transition:border-color var(--dur) var(--ease)}
.lang-switch select:hover{border-color:var(--line-strong);color:var(--text)}

/* 主题切换 */
.theme-toggle{background:var(--panel);border:1px solid var(--line);color:var(--text);
  width:44px;height:44px;border-radius:var(--radius-sm);cursor:pointer;line-height:1;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.theme-toggle:hover{border-color:var(--brand)}
.theme-toggle:active{transform:scale(.94)}
.theme-toggle svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.theme-toggle .i-moon{display:none}
html[data-theme="light"] .theme-toggle .i-sun{display:none}
html[data-theme="light"] .theme-toggle .i-moon{display:block}

/* 登录态导航 */
.user-box{display:flex;align-items:center;gap:8px}
.user-box .mail{color:var(--muted);font-size:13px;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ Hero ============ */
.hero{position:relative;padding:76px 0 30px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:-1;
  background:
    radial-gradient(52% 60% at 50% -8%, rgba(56,189,248,.16), transparent 70%),
    radial-gradient(40% 50% at 72% 4%, rgba(129,140,248,.10), transparent 70%),
    radial-gradient(40% 50% at 28% 4%, rgba(56,189,248,.08), transparent 70%)}
.hero h1{font-size:44px;margin:0 0 12px;font-weight:800;letter-spacing:-.5px;line-height:1.1;
         background:linear-gradient(92deg,#7dd3fc 0%,#38bdf8 48%,#818cf8 100%);
         -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{color:var(--muted);margin:0 auto 30px;font-size:16px;max-width:560px}

/* 搜索栏 */
.searchbar{display:flex;gap:10px;max-width:680px;margin:0 auto}
.searchbar input{flex:1;min-width:0;height:56px;border-radius:var(--radius);border:1px solid var(--line-strong);
     background:var(--panel);color:var(--text);padding:0 20px;font-size:16px;outline:none;
     -webkit-appearance:none;appearance:none;
     transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.searchbar input::placeholder{color:var(--muted-2)}
.searchbar input:focus{border-color:var(--brand);box-shadow:var(--glow)}
.btn{height:56px;padding:0 30px;border:0;border-radius:var(--radius);font-size:16px;font-weight:700;
     cursor:pointer;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06223a;
     transition:transform .08s,filter .18s,box-shadow .18s;white-space:nowrap}
.btn:hover{filter:brightness(1.07);box-shadow:0 8px 24px rgba(14,165,233,.35)}
.btn:active{transform:scale(.97)}
.btn.sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--radius-sm)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn.ghost:hover{filter:none;border-color:var(--brand);box-shadow:none}

/* 搜索范围切换 */
.scope{display:inline-flex;background:var(--panel);border:1px solid var(--line);border-radius:999px;
       padding:3px;margin:16px auto 0;gap:2px}
.scope-btn{border:0;background:transparent;color:var(--muted);font-size:13px;font-weight:500;
       padding:6px 16px;border-radius:999px;cursor:pointer;white-space:nowrap;
       transition:color var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.scope-btn:hover{color:var(--text)}
.scope-btn.active{background:var(--chip);color:var(--text);box-shadow:0 1px 6px rgba(0,0,0,.35)}

/* 热门词 */
.hot{margin:18px 0 0;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.hot span.lbl{color:var(--muted);font-size:13px;line-height:30px}
.chip{background:var(--chip);border:1px solid var(--line);color:var(--muted);font-size:13px;
      padding:5px 14px;border-radius:999px;cursor:pointer;transition:all .18s}
.chip:hover{color:var(--text);border-color:var(--brand);transform:translateY(-1px)}

/* ============ 浅色主题 ============ */
html[data-theme="light"]{
  --bg:#f5f7fb; --bg-2:#eef1f7; --panel:#ffffff; --panel-2:#f0f3f9;
  --line:#e0e7f1; --line-strong:#ccd7e8; --chip:#eaf0f9;
  --text:#182238; --muted:#5a6780; --muted-2:#8b97ad;
  --brand:#0284c7; --brand-2:#0369a1; --brand-strong:#0369a1; --accent:#4f46e5;
  --ok:#059669; --ok-d:#047857; --ok-text:#ffffff; --danger:#dc2626; --star:#d97706;
  --shadow:0 10px 30px rgba(15,23,42,.10);
  --shadow-lg:0 24px 60px rgba(15,23,42,.16);
  --glow:0 0 0 3px rgba(2,132,199,.15);
}
html[data-theme="light"] header.nav{background:rgba(245,247,251,.86)}
html[data-theme="light"] .hero::before{background:
    radial-gradient(52% 60% at 50% -8%, rgba(2,132,199,.10), transparent 70%),
    radial-gradient(40% 50% at 72% 4%, rgba(79,70,229,.08), transparent 70%)}
html[data-theme="light"] .btn{color:#ffffff}
html[data-theme="light"] .magnet{color:#ffffff}
html[data-theme="light"] .pager .cur{color:#ffffff}
html[data-theme="light"] ::-webkit-scrollbar-thumb{background:#c6d2e4;border-color:var(--bg)}
html[data-theme="light"] ::-webkit-scrollbar-thumb:hover{background:#aab7cc}

/* ============ 结果区 ============ */
.meta{display:flex;justify-content:space-between;align-items:center;margin:30px 0 14px;color:var(--muted);font-size:14px;gap:12px;flex-wrap:wrap}
.meta b{color:var(--text)}

.r{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
   padding:18px 20px;margin-bottom:12px;
   transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
   animation:r-in .32s var(--ease) backwards}
.r:hover{border-color:var(--line-strong);box-shadow:var(--shadow);transform:translateY(-2px)}
.r:nth-child(1){animation-delay:.02s}.r:nth-child(2){animation-delay:.06s}
.r:nth-child(3){animation-delay:.10s}.r:nth-child(4){animation-delay:.14s}
.r:nth-child(5){animation-delay:.18s}.r:nth-child(6){animation-delay:.22s}
@keyframes r-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.r .row{display:flex;align-items:flex-start;gap:12px}
.r .name{font-size:16px;font-weight:600;color:var(--text);word-break:break-word;overflow-wrap:anywhere;margin-bottom:12px;line-height:1.5}
.r .name a{color:var(--text)}
.r .name a:hover{color:var(--brand)}
.r .foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.tag{font-size:12px;font-weight:500;color:var(--muted);background:var(--chip);border:1px solid var(--line);
     padding:4px 11px;border-radius:999px;white-space:nowrap}
.tag.size{color:var(--brand-strong);border-color:rgba(56,189,248,.28);background:rgba(56,189,248,.08)}
html[data-theme="light"] .tag.size{color:var(--brand);border-color:rgba(2,132,199,.25);background:rgba(2,132,199,.06)}
.spacer{flex:1}

.magnet{display:inline-flex;align-items:center;gap:6px;background:var(--ok);color:var(--ok-text);
        font-weight:700;font-size:13px;padding:10px 16px;min-height:44px;border-radius:var(--radius-sm);border:0;cursor:pointer;
        transition:background var(--dur) var(--ease),transform .08s;white-space:nowrap}
.magnet:hover{background:var(--ok-d)}
.magnet:active{transform:scale(.97)}
.copy{display:inline-flex;align-items:center;gap:6px;background:transparent;color:var(--muted);
      border:1px solid var(--line);font-size:13px;padding:10px 14px;min-height:44px;border-radius:var(--radius-sm);
      cursor:pointer;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform .08s;white-space:nowrap}
.copy:hover{color:var(--text);border-color:var(--brand)}
.copy:active{transform:scale(.97)}
.copy.done{color:var(--ok);border-color:var(--ok)}

/* 收藏星标（SVG 双态） */
.star{background:transparent;border:1px solid var(--line);color:var(--muted);line-height:1;
      width:44px;height:44px;border-radius:var(--radius-sm);cursor:pointer;flex:none;
      display:inline-flex;align-items:center;justify-content:center;
      transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform .08s}
.star svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;
          stroke-linecap:round;stroke-linejoin:round;transition:fill var(--dur) var(--ease)}
.star:hover{border-color:var(--star);color:var(--star)}
.star:active{transform:scale(.9)}
.star.on{color:var(--star);border-color:var(--star)}
.star.on svg{fill:currentColor}

/* 状态与骨架 */
.state{text-align:center;color:var(--muted);padding:64px 20px;font-size:15px;line-height:1.7}
.state::before{content:"🔍";display:block;font-size:44px;margin-bottom:18px;opacity:.7}
.skel{height:88px;border-radius:var(--radius);background:linear-gradient(90deg,var(--panel) 25%,var(--panel-2) 50%,var(--panel) 75%);
      background-size:200% 100%;animation:shine 1.3s infinite;margin-bottom:12px}
@keyframes shine{from{background-position:200% 0}to{background-position:-200% 0}}

/* 分页 */
.pager{display:flex;gap:8px;justify-content:center;margin:30px 0 54px;flex-wrap:wrap}
.pager a,.pager span{min-width:42px;height:42px;line-height:42px;text-align:center;padding:0 13px;
      border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:14px;
      transition:border-color var(--dur) var(--ease),transform .08s}
.pager a:hover{border-color:var(--brand)}
.pager a:active{transform:scale(.95)}
.pager .cur{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06223a;border-color:transparent;font-weight:700}
.pager .off{opacity:.4;cursor:default}

/* ============ 详情页 ============ */
.page-head{padding:34px 0 8px}
.page-title{font-size:24px;font-weight:800;word-break:break-word;overflow-wrap:anywhere;line-height:1.4}
.facts{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0 4px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.section-title{margin:30px 0 14px;font-size:16px;font-weight:700;color:var(--text)}

/* 文件树 */
.tree{font-size:14px}
.tree ul{list-style:none;margin:0;padding:0}
.tree li{margin:2px 0}
.tree details > summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:6px 8px;
    border-radius:9px;user-select:none;transition:background .14s}
.tree details > summary::-webkit-details-marker{display:none}
.tree details > summary:hover{background:var(--chip)}
.tree .row{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:9px;width:100%}
.tree .ficon{width:20px;text-align:center;flex:none}
.tree .fname{flex:1;min-width:0;word-break:break-all;overflow-wrap:anywhere}
.tree .fsize{color:var(--muted);font-size:12px;flex:none;white-space:nowrap}
.tree .fcount{color:var(--muted);font-size:12px;flex:none;white-space:nowrap}
.tree details > ul{margin-left:18px;border-left:1px solid var(--line);padding-left:8px}
.tree .caret{transition:transform .18s;color:var(--muted);flex:none;font-size:11px}
.tree details[open] > summary .caret{transform:rotate(90deg)}

/* ============ 模态框 ============ */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:50;display:none;align-items:flex-start;justify-content:center;padding:48px 20px;overflow:auto}
.modal-backdrop.open{display:flex}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
    max-width:400px;width:100%;padding:28px;animation:pop .2s var(--ease)}
@keyframes pop{from{transform:translateY(-12px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal-card h2{margin:0 0 6px;font-size:20px;font-weight:800}
.modal-card .sub{color:var(--muted);font-size:13px;margin:0 0 22px}
.modal-card .form-row{margin-bottom:14px}
.modal-card label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px}
.modal-card input{width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--panel-2);
    color:var(--text);padding:0 15px;font-size:15px;outline:none;transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}
.modal-card input:focus{border-color:var(--brand);box-shadow:var(--glow)}
.modal-card .err{color:var(--danger);font-size:13px;margin:10px 0 0;min-height:18px}
.modal-card .switch{color:var(--muted);font-size:13px;margin-top:16px;text-align:center}
.modal-card .switch a{color:var(--brand);cursor:pointer;font-weight:600}
.modal-card{position:relative}
.modal-x{position:absolute;top:8px;right:12px;background:none;border:0;color:var(--muted);font-size:24px;line-height:1;cursor:pointer;padding:4px;border-radius:8px}
.modal-x:hover{color:var(--text)}
#qr-box svg{max-width:100%;height:auto}

/* 密码可见切换 */
.pw-wrap{position:relative}
.pw-wrap input{padding-right:50px}
.pw-eye{position:absolute;top:50%;right:4px;transform:translateY(-50%);width:40px;height:40px;
  background:none;border:0;color:var(--muted);cursor:pointer;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center}
.pw-eye:hover{color:var(--text)}
.pw-eye svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.pw-eye .eye-off{display:none}
.pw-eye.show .eye-off{display:block}
.pw-eye.show .eye-on{display:none}

/* ============ toast ============ */
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--panel);
    border:1px solid var(--line);color:var(--text);padding:11px 20px;border-radius:999px;font-size:14px;
    z-index:60;opacity:0;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);
    transform:translate(-50%,6px);box-shadow:var(--shadow-lg)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============ footer ============ */
footer{border-top:1px solid var(--line);padding:44px 0 48px;color:var(--muted);font-size:13px}
footer .inner{max-width:960px;margin:0 auto;padding:0 20px;display:flex;flex-direction:column;align-items:center;gap:20px;text-align:center}

/* 统计卡片（信任条） */
.stats-line{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.stat{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:150px;padding:16px 22px;
      background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
      transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.stat:hover{border-color:var(--line-strong)}
.stat .num{font-size:24px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;line-height:1.2}
.stat .lbl{font-size:12px;color:var(--muted)}

/* ============ 详情页两列布局（右侧常驻二维码） ============ */
.detail-layout{display:flex;flex-direction:row;flex-wrap:nowrap;gap:20px;align-items:flex-start}
.detail-main{flex:1 1 auto;min-width:0}
.detail-side{flex:0 0 220px;width:220px;position:sticky;top:84px}
.qr-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.qr-inline{background:#fff;border-radius:10px;padding:10px;line-height:0}
.qr-inline svg{display:block;width:100%;height:auto;border-radius:4px}
.qr-caption{margin-top:10px;font-size:12px;color:var(--muted);text-align:center;line-height:1.45}

/* ============ RTL ============ */
[dir="rtl"] .tree details > ul{margin-left:0;margin-right:18px;border-left:0;border-right:1px solid var(--line);padding-left:0;padding-right:8px}
[dir="rtl"] .tree .caret{transform:rotate(180deg)}
[dir="rtl"] .tree details[open] > summary .caret{transform:rotate(90deg)}

/* ============ 响应式 ============ */
@media (max-width:640px){
  .hero{padding:52px 0 18px}
  .hero h1{font-size:32px}
  .detail-layout{flex-direction:column}
  .detail-side{flex:none;width:200px;margin:4px auto 0;position:static}
  .searchbar{flex-direction:column}
  .searchbar input{flex:none;width:100%;height:52px}
  .searchbar .btn{width:100%;flex:none}
  .btn{height:52px}
  .r{padding:15px 16px}
  .r .row{flex-direction:column}
  .stat{min-width:96px;flex:1;padding:14px 10px}
  .stat .num{font-size:20px}
  .scope-btn{padding:6px 13px}
  .pager a,.pager span{min-width:38px;height:38px;line-height:38px;padding:0 10px}
}