/* 统一备赛系统 · 公共样式（comp.zhangrh.cn）
   设计语言与两个赛事区一致：navy/blue/cyan 令牌同源。 */
:root{
  --navy-900:#050b1e;--navy-800:#0a1633;--navy-700:#10265c;
  --blue-600:#1e5eff;--blue-500:#2f7bff;--cyan-400:#38d6ff;
  --ink:#16233b;--ink-soft:#4c5a72;--ink-mute:#6b7a93;
  --paper:#f3f6fc;--card:#ffffff;--line:#e3e9f4;--line-soft:#eef2fa;
  --green:#0d9f6e;--green-bg:#e8f8f1;--amber:#b45309;--amber-bg:#fff7e6;
  --red:#e11d48;--red-bg:#fdeef1;
  --radius:16px;--radius-sm:10px;
  --shadow:0 10px 30px rgba(16,38,92,.10),0 2px 8px rgba(16,38,92,.06);
  --shadow-lg:0 24px 60px rgba(5,11,30,.28);
  --font-body:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","HarmonyOS Sans SC",system-ui,sans-serif;
  --font-display:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC",sans-serif;
  --nav-h:56px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-beh:smooth;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);color:var(--ink);background:var(--paper);line-height:1.75;font-size:15.5px;min-height:100vh;display:flex;flex-direction:column;
  background-image:radial-gradient(1200px 600px at 85% -10%,rgba(47,123,255,.10),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(56,214,255,.08),transparent 55%)}
::selection{background:rgba(47,123,255,.22)}
a{color:var(--blue-600);text-decoration:none}
a:hover{text-decoration:underline}
button{font-family:inherit}

/* ---------- 顶栏 ---------- */
.topnav{position:sticky;top:0;z-index:50;background:rgba(5,11,30,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(120,170,255,.18)}
.topnav .inner{max-width:1180px;margin:0 auto;min-height:var(--nav-h);padding:0 20px;display:flex;align-items:center;gap:20px;overflow-x:auto;scrollbar-width:none}
.topnav .inner::-webkit-scrollbar{display:none}
.topnav .brand{color:#fff;font-weight:800;font-size:15px;letter-spacing:.04em;white-space:nowrap;display:flex;align-items:center;gap:8px;text-decoration:none;flex:none}
.topnav .brand:hover{text-decoration:none}
.topnav .brand .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan-400);box-shadow:0 0 10px var(--cyan-400);flex:none}
.topnav .brand .sub{color:var(--cyan-400);font-weight:700;font-size:12.5px;letter-spacing:.12em}
.topnav a.lnk{color:rgba(214,230,255,.78);font-size:13.5px;white-space:nowrap;padding:17px 2px;border-bottom:2px solid transparent;flex:none}
.topnav a.lnk:hover{color:#fff;text-decoration:none}
.topnav a.lnk[aria-current="page"]{color:#fff;border-bottom-color:var(--cyan-400)}
.topnav .spacer{flex:1;min-width:8px}
.topnav .mechip{font-size:12.5px;color:var(--cyan-400);border:1px solid rgba(56,214,255,.4);border-radius:999px;padding:2px 12px;white-space:nowrap;flex:none;background:rgba(56,214,255,.08)}
.topnav .mechip.guest{color:rgba(214,230,255,.7);border-color:rgba(120,170,255,.3);background:transparent}
.topnav .mechip a{color:inherit}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;padding:56px 24px 72px;
  background:radial-gradient(900px 480px at 78% -20%,rgba(56,214,255,.30),transparent 60%),radial-gradient(700px 420px at 8% 110%,rgba(30,94,255,.38),transparent 60%),linear-gradient(138deg,var(--navy-900) 0%,var(--navy-800) 34%,#0d2c6e 68%,#134a9e 100%)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(120,170,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.07) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 90% 80% at 50% 20%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 20%,#000 30%,transparent 80%)}
.hero-inner{position:relative;max-width:1180px;margin:0 auto;z-index:1}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13px;letter-spacing:.32em;text-transform:uppercase;color:var(--cyan-400);padding:7px 16px;border:1px solid rgba(56,214,255,.35);border-radius:999px;background:rgba(56,214,255,.08)}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan-400);box-shadow:0 0 12px var(--cyan-400)}
.hero h1{font-family:var(--font-display);font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:.03em;line-height:1.3;margin:18px 0 0;
  background:linear-gradient(120deg,#ffffff 25%,#bfe3ff 60%,var(--cyan-400) 92%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{margin:14px 0 0;max-width:760px;color:rgba(222,232,255,.85);font-size:15.5px}
.hero .badges{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.hero .badges span{font-size:12.5px;color:#bfe3ff;border:1px solid rgba(120,170,255,.35);border-radius:999px;padding:4px 14px;background:rgba(120,170,255,.10)}

/* ---------- 布局 ---------- */
.main{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:30px 24px 76px}
.main.pull{margin-top:-40px;position:relative;z-index:2}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px}
a.zone-card{display:block;color:inherit;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow);padding:24px 26px;transition:transform .2s,box-shadow .2s,border-color .2s}
a.zone-card:hover{transform:translateY(-2px);text-decoration:none;border-color:rgba(47,123,255,.45);box-shadow:var(--shadow-lg)}
.zone-card .num{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-600);font-weight:800}
.zone-card h2{font-family:var(--font-display);font-size:19px;margin:8px 0 6px;color:var(--navy-800)}
.zone-card p{font-size:13.5px;color:var(--ink-soft)}
.zone-card .more{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;color:var(--blue-600)}
section.block{margin-top:34px}
section.block>h2{font-family:var(--font-display);font-size:20px;color:var(--navy-800);margin-bottom:14px;display:flex;align-items:center;gap:10px}
section.block>h2 .n{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:linear-gradient(135deg,var(--blue-600),var(--cyan-400));color:#fff;font-size:13px;font-weight:800;flex:none}

/* ---------- 页签 / 控件 ---------- */
.panel-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:space-between}
.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{font:inherit;font-size:13.5px;font-weight:700;padding:7px 18px;border-radius:999px;cursor:pointer;border:1px solid var(--line);background:#f7faff;color:var(--ink-soft);transition:background .2s,color .2s,border-color .2s}
.tab:hover{border-color:rgba(47,123,255,.45);color:var(--blue-600)}
.tab.on{color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--blue-600),var(--cyan-400));box-shadow:0 6px 16px rgba(30,94,255,.28)}
.msg{margin-top:12px;font-size:13.5px;color:var(--amber)}
.msg:empty{display:none}
.btn{font:inherit;font-size:14px;font-weight:800;color:#fff;cursor:pointer;padding:9px 26px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--blue-600),var(--cyan-400));box-shadow:0 8px 20px rgba(30,94,255,.26);transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:default;transform:none;box-shadow:none}
.btn.ghost{background:#f7faff;color:var(--ink-soft);box-shadow:none;border:1px solid var(--line);font-weight:700}
.btn.sm{padding:5px 16px;font-size:12.5px;border-radius:999px;font-weight:700}
select,input[type=text],input[type=url],textarea{font:inherit;font-size:14px;color:var(--ink);padding:9px 13px;border:1px solid var(--line);border-radius:12px;background:#fbfcff;outline:none}
select:focus,input:focus,textarea:focus{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(47,123,255,.13)}
textarea{width:100%;min-height:78px;resize:vertical}
label.fl{font-size:12.5px;font-weight:700;color:var(--ink-soft);letter-spacing:.05em}
.login-tip{margin-top:14px;border:1px dashed rgba(225,29,72,.35);border-radius:14px;background:var(--red-bg);padding:16px 18px;font-size:14px;color:var(--ink)}

/* ---------- 便签 / 时间轴 ---------- */
.timeline{position:relative;margin-top:20px;padding-left:30px;display:flex;flex-direction:column;gap:16px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,rgba(30,94,255,.55),rgba(56,214,255,.30))}
.note{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px 18px}
.timeline>.note::before{content:"";position:absolute;left:-27px;top:22px;width:10px;height:10px;border-radius:50%;background:#fff;border:2px solid var(--blue-500)}
.tl-node{position:relative;background:linear-gradient(135deg,rgba(30,94,255,.10),rgba(56,214,255,.16));border:1px solid rgba(47,123,255,.30);border-radius:14px;padding:14px 20px;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;box-shadow:0 8px 22px rgba(30,94,255,.10)}
.timeline>.tl-node::before{content:"";position:absolute;left:-30px;top:17px;width:14px;height:14px;border-radius:4px;transform:rotate(45deg);background:linear-gradient(135deg,var(--blue-600),var(--cyan-400));box-shadow:0 0 0 3px rgba(56,214,255,.18)}
.tl-date{font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--blue-600);letter-spacing:.04em}
.tl-title{font-weight:700;color:var(--navy-800)}
.tl-due{font-size:12px;font-weight:800;color:var(--amber);background:var(--amber-bg);border-radius:999px;padding:1px 10px}
.tl-due.past{color:var(--ink-mute);background:var(--line-soft)}
.comp-chip{font-size:11.5px;font-weight:800;letter-spacing:.04em;border-radius:999px;padding:1px 10px;border:1px solid;white-space:nowrap}
.comp-robo{color:var(--blue-600);border-color:rgba(30,94,255,.25);background:rgba(30,94,255,.08)}
.comp-wargame{color:var(--green);border-color:rgba(13,159,110,.25);background:var(--green-bg)}
.comp-other{color:var(--amber);border-color:rgba(180,83,9,.25);background:var(--amber-bg)}
.note-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.who{font-family:var(--font-display);font-weight:800;color:var(--navy-800)}
.when{font-size:12.5px;color:var(--ink-soft)}
.st{font-size:12px;font-weight:700;letter-spacing:.04em;padding:2px 11px;border-radius:999px;border:1px solid}
.st-doing{background:rgba(30,94,255,.09);color:var(--blue-600);border-color:rgba(30,94,255,.22)}
.st-done{background:var(--green-bg);color:var(--green);border-color:rgba(13,159,110,.25)}
.st-blocked{background:var(--red-bg);color:var(--red);border-color:rgba(225,29,72,.25)}
.note-body{margin-top:10px;white-space:pre-wrap;word-break:break-word}
.acts{margin-left:auto;display:flex;gap:8px}
.acts button{font:inherit;font-size:12.5px;color:var(--ink-soft);cursor:pointer;padding:3px 13px;border-radius:999px;border:1px solid var(--line);background:#f7faff;transition:color .2s,border-color .2s}
.acts button:hover{color:var(--blue-600);border-color:rgba(47,123,255,.45)}
.edit-body{width:100%;min-height:76px;resize:vertical;margin-top:10px;font:inherit;color:var(--ink);padding:10px 12px;border:1px solid var(--blue-500);border-radius:12px;background:#fbfcff;outline:none}
.edit-bar{margin-top:10px;display:flex;align-items:center;gap:10px;justify-content:flex-end}
.edit-bar .btn{padding:6px 20px;font-size:13.5px}
.composer{margin-top:16px}
.composer-foot{margin-top:10px;display:flex;align-items:center;gap:12px;justify-content:flex-end;flex-wrap:wrap}
.byuser{margin-top:20px;display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px;align-items:start}
.col{background:rgba(255,255,255,.72);border:1px solid var(--line);border-radius:16px;padding:16px 16px 6px;box-shadow:var(--shadow)}
.col-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;padding-bottom:10px;border-bottom:1px dashed var(--line);margin-bottom:14px}
.col-meta{font-size:12.5px;color:var(--ink-soft)}
.col .note{box-shadow:none;margin-bottom:14px}
.empty{border:1px dashed var(--line);border-radius:14px;padding:22px 20px;color:var(--ink-soft);font-size:14px;background:rgba(255,255,255,.6)}

/* ---------- 工作区 ---------- */
.ws-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:20px}
.task-row{display:flex;align-items:flex-start;gap:12px;padding:13px 4px;border-bottom:1px dashed var(--line)}
.task-row:last-child{border-bottom:0}
.task-row input[type=checkbox]{width:18px;height:18px;margin-top:5px;accent-color:var(--blue-600);cursor:pointer;flex:none}
.task-row .t-body{flex:1;min-width:0;white-space:pre-wrap;word-break:break-word}
.task-row.done .t-body{color:var(--ink-mute);text-decoration:line-through}
.task-row .t-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:3px}
.task-row .assignee{font-size:12px;font-weight:800;color:var(--navy-700);background:var(--line-soft);border-radius:999px;padding:0 10px}
.link-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:18px}
a.link-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:16px 18px;color:inherit;transition:transform .2s,border-color .2s}
a.link-card:hover{transform:translateY(-2px);text-decoration:none;border-color:rgba(47,123,255,.45)}
.link-card .lt{font-weight:800;color:var(--navy-800);display:flex;align-items:center;gap:8px}
.link-card .u{font-size:12.5px;color:var(--blue-600);word-break:break-all;margin-top:4px}
.link-card .n{font-size:13px;color:var(--ink-soft);margin-top:6px}
.link-card .meta{margin-top:8px;font-size:12px;color:var(--ink-mute)}
.draft-wrap{display:grid;grid-template-columns:280px 1fr;gap:16px;margin-top:18px}
@media(max-width:840px){.draft-wrap{grid-template-columns:1fr}}
.draft-list{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.7);padding:8px;max-height:420px;overflow:auto}
.draft-item{padding:10px 12px;border-radius:10px;cursor:pointer}
.draft-item:hover{background:var(--line-soft)}
.draft-item.on{background:rgba(47,123,255,.10)}
.draft-item .dt{font-weight:700;color:var(--navy-800);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.draft-item .dm{font-size:12px;color:var(--ink-mute)}
.draft-edit{display:flex;flex-direction:column;gap:10px}
.draft-edit input[type=text]{font-weight:800}
table.files{width:100%;border-collapse:collapse;margin-top:16px;font-size:14px}
table.files th{text-align:left;font-size:12.5px;letter-spacing:.06em;color:var(--ink-mute);border-bottom:1px solid var(--line);padding:8px 10px}
table.files td{border-bottom:1px dashed var(--line);padding:10px;vertical-align:top}
table.files .fn{font-weight:700;color:var(--navy-800);word-break:break-all}
.file-ops{display:flex;gap:8px}
.file-ops a,.file-ops button{font-size:12.5px;padding:3px 13px;border-radius:999px;border:1px solid var(--line);background:#f7faff;color:var(--ink-soft);cursor:pointer}
.file-ops a:hover,.file-ops button:hover{color:var(--blue-600);border-color:rgba(47,123,255,.45);text-decoration:none}
.uploader{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;padding:14px 16px;border:1px dashed var(--line);border-radius:14px;background:rgba(255,255,255,.6)}

/* ---------- 首页速览 ---------- */
.glance{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.glance .g-card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:18px 20px}
.glance .g-lab{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);font-weight:800}
.glance .g-val{font-family:var(--font-display);font-size:22px;font-weight:800;color:var(--navy-800);margin-top:6px;line-height:1.4}
.glance .g-sub{font-size:13px;color:var(--ink-soft)}
.next-list{list-style:none;margin-top:8px}
.next-list li{display:flex;gap:10px;align-items:baseline;padding:7px 0;border-bottom:1px dashed var(--line)}
.next-list li:last-child{border-bottom:0}
.next-list .d{font-weight:800;color:var(--blue-600);white-space:nowrap}
.next-list .t{color:var(--navy-800);font-weight:700}
.next-list .c{margin-left:auto}

/* ---------- 登录 ---------- */
.login-card{max-width:420px;margin:0 auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:30px 28px 28px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field input{width:100%}
.btn.wide{width:100%;font-size:15px;padding:11px 20px}
.msg-err{font-size:13.5px;color:var(--red);background:var(--red-bg);border:1px solid rgba(225,29,72,.22);border-radius:11px;padding:9px 13px;margin-bottom:14px}
.msg-err:empty{display:none}

/* ---------- 页脚 ---------- */
footer.site{border-top:1px solid var(--line);background:linear-gradient(180deg,#eef2fa,#e7edf8);padding:26px 24px;text-align:center;color:var(--ink-soft);font-size:13.5px;margin-top:auto}
footer.site strong{color:var(--navy-700)}
footer.site .dot{margin:0 10px;color:#b6c2d8}