/* ============================================================
   微信文章下载工作台 — 设计系统
   深绿品牌（微信生态）+ 浅色工作台 · 三步骤结构
   ============================================================ */
:root{
  --bg:#F3F7F4;
  --surface:#FFFFFF;
  --ink:#17251D;
  --ink-2:#5B6E62;
  --ink-3:#8A9A90;
  --line:#E4EBE6;
  --line-strong:#CFDBD3;
  --brand:#0E9F5C;
  --brand-deep:#0B7F48;
  --brand-soft:#E7F6EE;
  --brand-ink:#0E2C1F;
  --amber:#A16207; --amber-bg:#FBF0DC;
  --red:#C2412C;  --red-bg:#FBE8E4;
  --link:#4A6FA5;
  --code-bg:#EFF4F0;
  --radius:14px;
  --shadow:0 1px 2px rgba(23,37,29,.05);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:14px;line-height:1.6}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ================= 顶栏 ================= */
.topbar{background:var(--brand-ink);color:#fff;position:sticky;top:0;z-index:50;
  box-shadow:0 1px 6px rgba(14,44,31,.18)}
.topbar-inner{max-width:1080px;margin:0 auto;padding:13px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{display:inline-flex;filter:drop-shadow(0 1px 2px rgba(0,0,0,.25))}
.brand-text h1{margin:0;font-size:17px;font-weight:650;letter-spacing:.2px}
.brand-text p{margin:2px 0 0;font-size:12px;color:rgba(255,255,255,.66)}
.topbar-status{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);padding:5px 12px;border-radius:999px;font-size:12.5px;color:rgba(255,255,255,.92)}
.dot{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.35);flex:none}
.dot.on{background:#34D399;box-shadow:0 0 0 3px rgba(52,211,153,.22)}
.dot.mid{background:#FBBF24}

/* ================= 布局 ================= */
.container{max-width:1080px;margin:24px auto 0;padding:0 24px 24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;margin-bottom:20px;box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.card-icon{width:34px;height:34px;border-radius:10px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex:none}
.card-head h2{margin:0;font-size:16.5px;font-weight:650}
.card-tag{margin-left:auto;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}
.hint{color:var(--ink-2);font-size:13px;line-height:1.7;margin:4px 0 14px}
.hint code,.steps code,.lbl code{background:var(--code-bg);border:1px solid var(--line);
  border-radius:5px;padding:1px 5px;font-size:12px;color:var(--ink)}

/* ================= 行 / 输入 ================= */
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:10px 0}
.row.between{justify-content:space-between}
.row .grow{flex:1;min-width:220px}
.note{color:var(--ink-3);font-size:13px}
input[type=text],input[type=number],input[type=date],input[type=password]{
  border:1px solid var(--line-strong);border-radius:8px;padding:8px 12px;font-size:14px;
  background:var(--surface);color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}
input[type=text]:focus,input[type=number]:focus,input[type=date]:focus,input[type=password]:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,159,92,.14)}
.lbl{color:var(--ink-2);font-size:13px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.lbl input{font-size:13.5px}
.ml{margin-left:6px}
.url-field{display:flex;align-items:center;background:#FBFDFC;border:1px solid var(--line-strong);
  border-radius:10px;transition:border-color .15s,box-shadow .15s}
.url-field .url-prefix{display:inline-flex;color:var(--ink-3);padding-left:12px;flex:none}
.url-field input{flex:1;border:none;background:transparent;padding:10px 12px;font-size:14px;outline:none;min-width:0}
.url-field:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,159,92,.14)}

/* ================= 按钮 ================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 16px;
  border-radius:10px;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);
  font-size:14px;font-weight:550;cursor:pointer;white-space:nowrap;
  transition:background .15s,border-color .15s,transform .1s}
.btn svg{flex:none}
.btn:hover{background:#F2F7F3;border-color:#B9C9BE}
.btn:active{transform:translateY(.5px)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 1px 2px rgba(14,159,92,.25)}
.btn.primary:hover{background:var(--brand-deep);border-color:var(--brand-deep)}
.btn.danger{color:var(--red);border-color:#E8C4BD;background:transparent}
.btn.danger:hover{background:var(--red-bg)}
.btn.small{height:30px;padding:0 12px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn:disabled:hover{background:var(--surface);border-color:var(--line-strong)}
.btn.primary:disabled:hover{background:var(--brand)}

/* ================= 选项 ================= */
.opts{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.opt-label{font-size:13px;color:var(--ink-2);font-weight:600}
.pill{position:relative}
.pill input{position:absolute;opacity:0;pointer-events:none}
.pill span{display:inline-block;padding:6px 14px;border:1px solid var(--line-strong);border-radius:999px;
  font-size:13px;color:var(--ink-2);background:var(--surface);cursor:pointer;user-select:none;transition:all .15s}
.pill:hover span{background:#F2F7F3}
.pill input:checked+span{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);font-weight:600}
.pill input:focus-visible+span{outline:2px solid var(--brand);outline-offset:2px}
.switch{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--ink-2);cursor:pointer;user-select:none}
.switch input{accent-color:var(--brand);width:15px;height:15px;margin:0}

/* ================= 步骤条 ================= */
.stepper{display:flex;align-items:center;list-style:none;padding:0;margin:14px 0 20px}
.stepper li{display:flex;align-items:center;gap:8px;flex:none}
.stepper li:not(:last-child){flex:1}
.stepper li::after{content:"";height:2px;flex:1;margin-left:12px;background:var(--line);border-radius:2px}
.stepper li.done::after{background:var(--brand)}
.step-no{width:26px;height:26px;border-radius:50%;border:2px solid var(--line-strong);color:var(--ink-3);
  font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface);flex:none;transition:all .2s}
.stepper li.active .step-no{background:var(--brand);border-color:var(--brand);color:#fff}
.stepper li.done .step-no{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep)}
.step-label{font-size:13px;color:var(--ink-2);white-space:nowrap;transition:color .15s}
.stepper li.active .step-label{color:var(--brand-deep);font-weight:600}

/* ================= 子卡片 / 步骤说明 ================= */
.sub-card{background:#FBFDFC;border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:14px}
.sub-card h3{margin:0 0 4px;font-size:14.5px;font-weight:650}
.steps{list-style:none;counter-reset:wxstep;padding:6px 0 4px;margin:10px 0 0;font-size:13.5px;line-height:1.7;color:var(--ink)}
.steps li{position:relative;padding-left:30px;margin:8px 0;counter-increment:wxstep}
.steps li::before{content:counter(wxstep);position:absolute;left:0;top:2px;width:19px;height:19px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);font-size:11.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center}

/* ================= 状态胶囊 ================= */
.status-pill,.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  font-size:12.5px;font-weight:600;padding:4px 12px}
.status-pill.gray,.badge.gray{background:#EFF3F0;color:var(--ink-2)}
.status-pill.green,.badge.green{background:var(--brand-soft);color:var(--brand-deep)}
.status-pill.orange,.badge.orange{background:var(--amber-bg);color:var(--amber)}
.status-pill.red,.badge.red{background:var(--red-bg);color:var(--red)}
.badge{padding:2px 9px;font-size:11.5px}

/* ================= 参数信息卡 ================= */
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:6px 16px;margin-top:12px;
  font-size:13px;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.kv .k{color:var(--ink-2)}
.kv code{background:var(--code-bg);border:1px solid var(--line);border-radius:5px;padding:1px 6px;font-size:12px;
  word-break:break-all}

/* ================= 结果 / 列表 ================= */
.result{margin-top:14px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;
  background:#FBFDFC;font-size:13.5px;line-height:1.7}
.result .ok{color:var(--brand-deep);font-weight:600;display:flex;align-items:center;gap:7px}
.result .err{color:var(--red)}
.result ul{margin:8px 0 0;padding-left:20px}
.result a{color:var(--link);text-decoration:none}
.result a:hover{text-decoration:underline}
.list-meta{color:var(--ink-2);font-size:13px;margin:10px 0 6px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:12px;max-height:480px;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:13px;table-layout:fixed}
thead th{position:sticky;top:0;background:#EFF5F1;color:var(--ink-2);text-align:left;padding:9px 10px;
  border-bottom:1px solid var(--line);z-index:1;font-weight:600;font-size:12.5px;white-space:nowrap}
thead th input{accent-color:var(--brand)}
tbody td{padding:8px 10px;border-bottom:1px solid #F0F4F1;vertical-align:middle;color:var(--ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
tbody td.title-col{white-space:normal;line-height:1.5}
tbody tr:hover{background:#F6FAF7}
tbody tr.checked-row{background:var(--brand-soft)}
tbody td a{color:var(--link);text-decoration:none}
tbody td a:hover{text-decoration:underline}
.cover-thumb{width:46px;height:46px;border-radius:8px;object-fit:cover;display:block;background:var(--code-bg)}

/* ================= 空状态 / 日志 / 任务 ================= */
.empty{text-align:center;color:var(--ink-2);padding:36px 12px;font-size:13.5px;
  border:1px dashed var(--line-strong);border-radius:12px;background:#FBFDFC;margin-top:10px}
.empty-mark{color:var(--ink-3);display:inline-flex}
.empty p{margin:8px 0 0}
.empty.small{border:none;background:none;color:var(--ink-3);padding:18px 0;margin-top:0}
.log{margin-top:12px;background:#0F2119;color:#B9E4CB;border-radius:10px;padding:12px 14px;font-size:12.5px;
  font-family:ui-monospace,SFMono-Regular,Consolas,Menlo,monospace;max-height:260px;overflow-y:auto;white-space:pre-wrap}
.log .err{color:#FCA5A5}
.log .ok{color:#7CE8B0}
.task-item{border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:10px;
  font-size:13px;background:var(--surface)}
.task-item .head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.task-item .head b{color:var(--brand-deep)}
.task-item .bar{height:6px;background:#E8EFEA;border-radius:4px;margin-top:10px;overflow:hidden}
.task-item .bar>i{display:block;height:100%;background:var(--brand);border-radius:4px;transition:width .3s}
.task-item .files{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;color:var(--ink-2)}
.task-item .files a{color:var(--link);text-decoration:none}
.task-item .files a:hover{text-decoration:underline}
.task-item .err{color:var(--red)}
.foot{color:var(--ink-3);font-size:12px;text-align:center;margin:28px 0 44px}

/* ================= 访问口令 ================= */
#auth-overlay{position:fixed;inset:0;background:rgba(14,44,31,.48);backdrop-filter:blur(4px);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:20px}
.auth-box{background:var(--surface);border-radius:16px;padding:30px 32px;width:360px;max-width:100%;
  box-shadow:0 18px 50px rgba(14,44,31,.28);text-align:center}
.auth-mark{margin-bottom:14px}
.auth-box h2{margin:0 0 6px;font-size:18px}
.auth-box p{color:var(--ink-2);font-size:13px;margin:0 0 16px}
.auth-box input{width:100%;margin-bottom:10px}
.auth-error{color:var(--red);font-size:13px;min-height:20px;margin-bottom:6px}

/* ================= Toast ================= */
.toast{position:fixed;top:18px;left:50%;transform:translateX(-50%);background:#10241A;color:#fff;
  padding:9px 18px;border-radius:10px;font-size:13px;z-index:99;box-shadow:0 4px 14px rgba(14,44,31,.3);
  border:1px solid rgba(255,255,255,.08);max-width:86vw}

/* ================= 响应式 ================= */
@media (max-width:720px){
  .topbar-inner{padding:12px 16px;flex-direction:column;align-items:flex-start;gap:10px}
  .container{padding:16px 12px 20px}
  .card{padding:18px 16px}
  .row .grow{min-width:100%}
  .url-field{min-width:100%}
  .stepper li::after{margin-left:8px}
  .step-label{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}