/* ============================================================
   Hai 平台 · 高保真原型 — 海擎 Hai Engine VI 重制
   品牌族: navy / teal / cyan / amber / gold (Cete Ventures)
   ============================================================ */
:root {
  /* surfaces */
  --navy:    #0B1620;
  --navy-2:  #11202C;
  --navy-3:  #1A2C3A;
  --line-d:  #2A3D4D;
  /* brand family */
  --teal:    #1F6F8B;
  --teal-d:  #185A71;
  --cyan:    #2DA0B8;
  --amber:   #C77A3A;
  --gold:    #E0A24A;
  --gold-d:  #B9812F;
  --rose:    #B9485B;
  /* ink */
  --ink:     #0B1620;
  --ink-2:   #3D4D5C;
  --grey:    #5B6B78;
  --grey-2:  #8C97A1;
  --line:    #DDE2E6;
  --line-2:  #E8EDEF;
  /* semantic */
  --red:     #D6232E;
  --green:   #2E7D5B;
  --orange:  #C77A3A;
  --ai:      #5B3FB0;
  --bg:      #F4F7F8;
  --cream:   #FBF6EE;
  --radius:  14px;
  --r-sm:    8px;
  --shadow:  0 1px 2px rgba(11,22,32,.05), 0 8px 24px rgba(11,22,32,.05);
  --shadow-lg: 0 14px 44px rgba(11,22,32,.16);
  --grad:    radial-gradient(120% 130% at 12% 100%, var(--cyan) 0%, var(--teal) 32%, #0E1A22 72%, #0A1218 100%),
             radial-gradient(90% 120% at 100% 0%, var(--amber) 0%, var(--rose) 30%, transparent 70%);
  --disp:    'Manrope','Inter Tight',-apple-system,system-ui,sans-serif;
  --font:    'Inter Tight','Manrope',-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --cjk:     'Noto Sans SC',var(--disp);
  --mono:    'JetBrains Mono',ui-monospace,monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  font-size: 14px;
  line-height: 1.55;
}

/* ---------- App frame ---------- */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 268px; flex: 0 0 268px;
  background: var(--navy);
  background-image: var(--grad);
  color: #c6cdd3;
  position: sticky; top: 0; height: 100vh;
  overflow-y: auto;
  padding: 0 0 24px;
  border-right: 1px solid var(--navy-3);
}
.brand { padding: 22px 20px 18px; border-bottom: 1px solid rgba(255,255,255,.10); }
.brand-lock { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: inline-flex; line-height: 0; }
.brand-mark svg { display: block; border-radius: 11px; }
.brand-txt h1 { font-family: var(--cjk); font-weight: 900; font-size: 18px; color: #fff; margin: 0; line-height: 1.05; letter-spacing: .3px; }
.brand-txt .tag { font-family: var(--mono); font-size: 10px; color: var(--gold); letter-spacing: 2px; margin-top: 4px; }
.brand .sub { font-size: 11px; color: #8c99a4; margin-top: 12px; line-height: 1.55; }

.nav-group { padding: 16px 12px 4px; }
.nav-group .gl { font-family: var(--mono); font-size: 10.5px; color: #7e8b98; letter-spacing: 1.5px; padding: 0 10px 8px; text-transform: uppercase; }
.align-note { padding: 2px 12px; font-size: 11px; color: #9aa6b0; line-height: 1.95; }
.chip-mini { font-size: 10px; padding: 1px 6px; border-radius: 5px; font-weight: 700; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 2px 0; border-radius: 10px;
  font-size: 13.5px; color: #c2ccd4; cursor: pointer; user-select: none;
  transition: background .15s, color .15s;
}
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: #fff; color: var(--navy); font-weight: 700; }
.nav-item .ix { width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center;
  font-size: 11px; font-weight: 700; background: rgba(255,255,255,.12); color: #dbe2e8; flex: 0 0 22px; }
.nav-item.active .ix { background: var(--teal); color: #fff; }

/* ---------- Main ---------- */
.main { flex: 1; min-width: 0; }
.topbar {
  height: 60px; background: #fff; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px; position: sticky; top: 0; z-index: 20;
}
.topbar .crumb { font-family: var(--mono); font-size: 12.5px; color: var(--grey); letter-spacing: .02em; }
.topbar .crumb b { color: var(--ink); font-family: var(--font); font-weight: 700; }
.topbar .right { display: flex; align-items: center; gap: 14px; }
.state-toggle { display: flex; gap: 4px; background: var(--bg); padding: 4px; border-radius: 10px; }
.state-toggle button {
  border: 0; background: transparent; font: inherit; font-size: 12px; color: var(--grey);
  padding: 5px 11px; border-radius: 7px; cursor: pointer;
}
.state-toggle button.on { background: #fff; color: var(--ink); box-shadow: var(--shadow); font-weight: 600; }
.who { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--grey); }
.who .av { width: 30px; height: 30px; border-radius: 50%; background: var(--teal); color: #fff;
  display: grid; place-items: center; font-size: 12px; font-weight: 700; }

.canvas { padding: 28px; max-width: 1180px; margin: 0 auto; }

/* ---------- Generic UI ---------- */
.page-head { margin-bottom: 22px; }
.page-head h2 { font-family: var(--disp); font-weight: 800; font-size: 25px; margin: 0 0 6px; color: var(--navy); letter-spacing: -.01em; }
.page-head p { margin: 0; color: var(--grey); font-size: 13.5px; }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card.pad { padding: 22px; }
.card-h { padding: 16px 20px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; }
.card-h h3 { font-family: var(--disp); margin: 0; font-size: 15.5px; font-weight: 700; color: var(--navy); }
.card-h .hint { font-family: var(--mono); font-size: 11.5px; color: var(--grey-2); }

.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: 1fr 1fr; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){ .g2,.g3,.g4 { grid-template-columns: 1fr; } }

.row { display: flex; align-items: center; gap: 12px; }
.spread { display: flex; align-items: center; justify-content: space-between; }
.muted { color: var(--grey); }
.mini { font-size: 12px; }
.big-num { font-family: var(--disp); font-size: 32px; font-weight: 800; color: var(--navy); letter-spacing: -.01em; }

.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 700;
  padding: 3px 9px; border-radius: 999px; letter-spacing: .2px; }
.b-green  { background: #E4F2EB; color: var(--green); }
.b-red    { background: #FBE7E8; color: var(--red); }
.b-gold   { background: #F7EDD7; color: var(--gold-d); }
.b-teal   { background: #E0EEF2; color: var(--teal); }
.b-orange { background: #F6E9DC; color: var(--amber); }
.b-grey   { background: #ECF0F2; color: var(--grey); }

.tag-ai  { background: #ECE7FA; color: var(--ai); }
.tag-人, .tag-human { background: #E0EEF2; color: var(--teal); }

.btn { display: inline-flex; align-items: center; gap: 7px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); font: inherit; font-size: 13px; font-weight: 600;
  padding: 9px 16px; border-radius: var(--r-sm); cursor: pointer; transition: .15s; }
.btn:hover { border-color: var(--grey-2); }
.btn:active { transform: scale(.985); }
.btn-primary { background: var(--navy); color: #fff; border-color: var(--navy); }
.btn-primary:hover { background: var(--navy-2); }
.btn-gold { background: var(--amber); color: #fff; border-color: var(--amber); }
.btn-gold:hover { background: var(--gold-d); }
.btn-teal { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn-teal:hover { background: var(--teal-d); }
.btn-danger { background: var(--red); color:#fff; border-color: var(--red); }
.btn-ghost { background: transparent; }
.btn[disabled] { opacity: .42; cursor: not-allowed; }
.btn-lg { padding: 12px 22px; font-size: 14px; }

.stat { padding: 18px 20px; }
.stat .l { font-size: 12.5px; color: var(--grey); margin-bottom: 8px; }
.stat .v { font-family: var(--disp); font-size: 27px; font-weight: 800; color: var(--navy); letter-spacing: -.01em; }
.stat .d { font-size: 12px; margin-top: 6px; }

table.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-family: var(--mono); font-size: 11px; color: var(--grey-2); font-weight: 600;
  letter-spacing: .4px; padding: 11px 16px; border-bottom: 1px solid var(--line); text-transform: uppercase; }
.tbl td { padding: 13px 16px; border-bottom: 1px solid var(--line); font-size: 13.5px; vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover { background: #F8FAFB; }

.progress { height: 8px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress > span { display: block; height: 100%; background: linear-gradient(90deg,var(--teal),var(--cyan)); }

.kbar { display: flex; height: 30px; border-radius: 8px; overflow: hidden; border: 1px solid var(--line); }
.kbar > div { display: grid; place-items: center; color: #fff; font-size: 11px; font-weight: 700; }

.notice { border-left: 4px solid var(--amber); background: var(--cream); padding: 14px 16px; border-radius: 0 10px 10px 0; font-size: 13px; }
.notice.warn { border-color: var(--amber); background: #FBF3EC; }
.notice.danger { border-color: var(--red); background: #FBEEEF; }
.notice.ok { border-color: var(--green); background: #ECF5F0; }

.countdown { font-family: var(--mono); font-variant-numeric: tabular-nums; font-weight: 700; letter-spacing: 1px; }

/* steps */
.steps { display: flex; gap: 0; }
.step { flex: 1; text-align: center; position: relative; padding-top: 30px; }
.step::before { content: ""; position: absolute; top: 12px; left: 0; right: 0; height: 3px; background: var(--line); }
.step:first-child::before { left: 50%; }
.step:last-child::before { right: 50%; }
.step .dot { position: absolute; top: 4px; left: 50%; transform: translateX(-50%);
  width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 3px solid var(--line); }
.step.done .dot { background: var(--green); border-color: var(--green); }
.step.now .dot  { background: var(--amber); border-color: var(--amber); box-shadow: 0 0 0 4px rgba(199,122,58,.2); }
.step .lab { font-size: 12px; color: var(--grey); }
.step.done .lab, .step.now .lab { color: var(--ink); font-weight: 600; }

/* empty/error/loading states */
.state-box { text-align: center; padding: 64px 24px; color: var(--grey); }
.state-box .ic { font-size: 40px; margin-bottom: 12px; }
.skel { background: linear-gradient(90deg,#eef1f4 25%,#e2e8ec 37%,#eef1f4 63%); background-size: 400% 100%;
  animation: sh 1.3s infinite; border-radius: 8px; }
@keyframes sh { 0%{background-position:100% 0} 100%{background-position:-100% 0} }

.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
hr.sep { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }
.dot-i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }