:root{
  --bg:#f4f6fb; --card:#fff; --ink:#1c2430; --sub:#6b7688; --line:#e6eaf2;
  --brand:#3b6ef6; --brand-d:#2b56d0; --green:#18b374; --yellow:#f2a63b; --red:#ee5a52;
  --shadow:0 2px 12px rgba(30,50,90,.07); --radius:14px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--ink);font-size:15px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;outline:none}
input,select,textarea{font-family:inherit;font-size:15px;outline:none}
.hidden{display:none!important}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:linear-gradient(135deg,#3b6ef6 0%,#6a4df6 100%)}
.login-card{background:#fff;border-radius:20px;padding:34px 26px;width:100%;max-width:380px;box-shadow:0 18px 50px rgba(20,30,70,.28)}
.login-card h1{margin:0 0 4px;font-size:23px}
.login-card .logo{width:54px;height:54px;border-radius:14px;background:linear-gradient(135deg,#3b6ef6,#6a4df6);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:26px;margin-bottom:16px}
.login-card p.sub{color:var(--sub);margin:0 0 22px;font-size:13px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--sub);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);background:#fff}
.btn{background:var(--brand);color:#fff;padding:11px 16px;border-radius:10px;font-size:15px;font-weight:600;width:100%;transition:.15s}
.btn:hover{background:var(--brand-d)}
.btn:disabled{opacity:.55;cursor:not-allowed}
.btn.sm{width:auto;padding:8px 14px;font-size:14px}
.btn.ghost{background:#eef2fb;color:var(--brand)}
.btn.ghost:hover{background:#e2e9fa}
.btn.danger{background:#fdecea;color:var(--red)}
.err{color:var(--red);font-size:13px;margin-top:8px;min-height:18px}

/* ---------- 布局 ---------- */
#app{max-width:900px;margin:0 auto;padding:0 0 76px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);padding:12px 16px;display:flex;align-items:center;gap:10px}
.topbar h2{margin:0;font-size:17px;flex:1}
.topbar .icon-btn{width:36px;height:36px;border-radius:10px;background:#f0f3fa;display:flex;align-items:center;justify-content:center;font-size:18px;position:relative}
.badge{position:absolute;top:-3px;right:-3px;background:var(--red);color:#fff;font-size:10px;min-width:16px;height:16px;
  border-radius:8px;display:flex;align-items:center;justify-content:center;padding:0 4px}
.view{padding:14px 16px;animation:fade .2s}
@keyframes fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* 底部导航 */
.tabbar{position:fixed;bottom:0;left:0;right:0;z-index:30;background:#fff;border-top:1px solid var(--line);
  display:flex;max-width:900px;margin:0 auto;padding:6px 0 max(6px,env(safe-area-inset-bottom))}
.tabbar button{flex:1;background:none;color:var(--sub);font-size:11px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:4px 0}
.tabbar button .ic{font-size:20px}
.tabbar button.active{color:var(--brand)}
.tabbar .report-btn{color:#fff}
.tabbar .report-btn .ic{background:linear-gradient(135deg,#3b6ef6,#6a4df6);color:#fff;width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin-top:-18px;box-shadow:0 6px 16px rgba(59,110,246,.4);font-size:24px}
.tabbar .report-btn span:last-child{color:var(--brand)}

/* ---------- 卡片 / 通用 ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;margin-bottom:12px}
.row{display:flex;align-items:center;gap:10px}
.spread{display:flex;align-items:center;justify-content:space-between;gap:10px}
.muted{color:var(--sub);font-size:13px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{font-size:11px;padding:3px 8px;border-radius:20px;background:#eef2fb;color:var(--sub)}
.chip.red{background:#fdecea;color:var(--red)} .chip.yellow{background:#fef3e2;color:#c9821f} .chip.green{background:#e6f7f0;color:var(--green)}
.avatar{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0}
.progress{height:8px;background:#eef1f7;border-radius:6px;overflow:hidden;margin-top:8px}
.progress > i{display:block;height:100%;border-radius:6px;background:var(--green);transition:width .3s}
.section-title{font-size:14px;font-weight:600;margin:18px 2px 8px;color:var(--sub)}
.empty{text-align:center;color:var(--sub);padding:40px 12px;font-size:14px}
.select-inline{padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;font-weight:600}

/* 看板 */
.board{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;-webkit-overflow-scrolling:touch}
.column{min-width:78%;max-width:78%;flex-shrink:0}
@media(min-width:700px){.column{min-width:280px;max-width:300px}}
.column h3{font-size:14px;margin:0 0 8px;display:flex;justify-content:space-between;color:var(--sub)}
.column .col-count{background:#eef2fb;border-radius:10px;padding:0 8px;font-size:12px}
.task-card{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:12px;margin-bottom:10px;border-left:4px solid transparent;cursor:pointer}
.task-card.red{border-left-color:var(--red)} .task-card.yellow{border-left-color:var(--yellow)} .task-card.green{border-left-color:var(--green)}
.task-card .name{font-weight:600;font-size:15px;margin-bottom:6px}
.task-card .meta{display:flex;align-items:center;gap:8px;color:var(--sub);font-size:12px;margin-top:8px;flex-wrap:wrap}
.flag-dot{width:9px;height:9px;border-radius:50%;display:inline-block}
.flag-dot.red{background:var(--red)} .flag-dot.yellow{background:var(--yellow)} .flag-dot.green{background:var(--green)}

/* 概览 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.stat{background:#fff;border-radius:12px;box-shadow:var(--shadow);padding:14px 10px;text-align:center}
.stat b{font-size:22px;display:block} .stat span{font-size:11px;color:var(--sub)}
.stat.red b{color:var(--red)} .stat.yellow b{color:var(--yellow)}

/* ---------- 弹层 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(20,28,45,.5);z-index:50;display:flex;align-items:flex-end;justify-content:center;animation:fade .15s}
@media(min-width:700px){.modal-mask{align-items:center}}
.modal{background:#fff;width:100%;max-width:560px;border-radius:18px 18px 0 0;max-height:92vh;overflow-y:auto;padding:18px;animation:slideup .22s}
@media(min-width:700px){.modal{border-radius:18px}}
@keyframes slideup{from{transform:translateY(30px);opacity:.6}to{transform:none;opacity:1}}
.modal h3{margin:0 0 14px;font-size:18px}
.modal .close{float:right;font-size:22px;color:var(--sub);background:none;line-height:1}
.report-md{background:#f7f9fd;border-radius:12px;padding:14px;font-size:14px;white-space:pre-wrap;line-height:1.7;border:1px solid var(--line)}
.thumbs{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0}
.thumb{width:72px;height:72px;border-radius:10px;object-fit:cover;border:1px solid var(--line)}
.uploader{border:2px dashed var(--line);border-radius:12px;padding:22px;text-align:center;color:var(--sub);background:#fbfcfe}
.uploader b{color:var(--brand)}
.spin{width:34px;height:34px;border:3px solid #e6eaf2;border-top-color:var(--brand);border-radius:50%;animation:sp .8s linear infinite;margin:20px auto}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:#1c2430;color:#fff;padding:10px 18px;border-radius:22px;z-index:99;font-size:14px;box-shadow:0 6px 20px rgba(0,0,0,.25);animation:fade .2s}
.list-item{display:flex;align-items:center;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}
.list-item:last-child{border-bottom:none}
.tag-role{font-size:11px;padding:2px 7px;border-radius:6px;background:#eef2fb;color:var(--brand)}
.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv:last-child{border:none}
.attention-item{border-left:3px solid var(--red);padding:10px 12px;background:#fff;border-radius:0 10px 10px 0;box-shadow:var(--shadow);margin-bottom:10px}