/* fish.jic.io — 深海驾驶舱 design system (JIC family C + ocean) */
:root{
  --bg:#04101d; --bg2:#051726; --panel:#0a1c2e; --panel2:#0d2236;
  --line:#16324c; --line-soft:rgba(66,216,255,.12);
  --ink:#d7e6f5; --dim:#7b93ab; --faint:#4a6178;
  --green:#35e08a; --cyan:#42d8ff; --gold:#ffce4a; --coral:#ff6b8a;
  --grad:linear-gradient(90deg,var(--green),var(--cyan));
  --sans:'DM Sans','Noto Sans SC',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --serif:'Playfair Display','Noto Serif SC',Georgia,serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.7;min-height:100vh;
  background-image:
    radial-gradient(1200px 500px at 70% -100px,rgba(66,216,255,.07),transparent 60%),
    radial-gradient(900px 420px at 10% 30%,rgba(53,224,138,.05),transparent 60%),
    radial-gradient(1000px 600px at 90% 100%,rgba(20,60,110,.25),transparent 70%);
  background-attachment:fixed;
}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:var(--mono)}
img{max-width:100%}
button{font-family:var(--sans)}

/* bilingual: default zh, body.lang-en flips */
.en{display:none}
body.lang-en .en{display:inline}
body.lang-en .zh{display:none}

/* ---------------- header */
.top{
  position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:22px;
  padding:12px 22px;background:rgba(4,16,29,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.brand{display:flex;align-items:baseline;gap:8px;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-mark{font-size:22px}
.brand-name{font-family:var(--serif);font-weight:600;font-size:21px;letter-spacing:.04em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-domain{font-family:var(--mono);font-size:11px;color:var(--faint)}
.nav{display:flex;gap:4px;margin-left:6px}
.nav a{color:var(--dim);padding:6px 12px;border-radius:999px;font-size:13.5px;font-weight:500}
.nav a:hover{color:var(--ink);text-decoration:none;background:rgba(66,216,255,.07)}
.nav a.on{color:var(--bg);background:var(--grad);font-weight:700}
.top-actions{margin-left:auto;display:flex;gap:9px;align-items:center}
.lang-btn{background:none;border:1px solid var(--line);color:var(--dim);border-radius:8px;
  padding:5px 9px;font-size:11.5px;font-family:var(--mono);cursor:pointer}
.lang-btn:hover{color:var(--cyan);border-color:var(--cyan)}
.cta-btn{background:var(--grad);color:#05140c;border:0;border-radius:999px;
  padding:9px 18px;font-size:13.5px;font-weight:800;cursor:pointer;
  box-shadow:0 4px 18px rgba(53,224,138,.22);transition:.15s}
.cta-btn:hover{transform:translateY(-1px);box-shadow:0 6px 22px rgba(66,216,255,.3)}
.cta-btn:active{transform:scale(.97)}
.cta-btn.wide{width:100%;padding:13px;font-size:15px;margin-top:14px}
.cta-btn:disabled{opacity:.5;cursor:wait;transform:none}
.ghost-btn{background:rgba(12,30,50,.7);color:var(--ink);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px;font-size:13px;font-weight:600;cursor:pointer;transition:.15s}
.ghost-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.ghost-btn.sm{padding:6px 12px;font-size:12.5px;white-space:nowrap}

/* user menu */
.user-menu{position:relative}
.user-chip{display:flex;align-items:center;gap:7px;padding:7px 13px}
.user-chip #userAva{font-size:16px}
.user-chip #userName{font-size:12px;color:var(--cyan);max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-chip .caret{font-size:9px;color:var(--faint)}
.menu-pop{position:absolute;right:0;top:calc(100% + 8px);z-index:60;min-width:210px;
  background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:8px;
  box-shadow:0 14px 44px rgba(0,8,18,.65)}
.menu-addr{font-size:10px;color:var(--faint);padding:6px 10px 8px;border-bottom:1px solid var(--line-soft);
  margin-bottom:6px;word-break:break-all}
.menu-pop button,.menu-pop a{display:flex;align-items:center;gap:8px;width:100%;text-align:left;
  background:none;border:0;color:var(--ink);font-size:13.5px;padding:9px 10px;border-radius:9px;cursor:pointer}
.menu-pop a{text-decoration:none}
.menu-pop button:hover,.menu-pop a:hover{background:rgba(66,216,255,.08);text-decoration:none}
.menu-pop .danger{color:var(--coral)}
.menu-pop .danger:hover{background:rgba(255,107,138,.08)}

/* ---------------- layout */
main{max-width:1080px;margin:0 auto;padding:0 22px 80px}
section{margin-top:64px}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.22em;color:var(--green);
  text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.eyebrow::before{content:'';width:26px;height:1px;background:var(--green)}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(34px,5.2vw,56px);line-height:1.18;letter-spacing:.01em}
h1 em,.h-em{font-style:italic;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
h2{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3vw,32px);margin-bottom:8px}
.sub{color:var(--dim);font-size:16px;max-width:640px;margin-top:16px}

/* ---------------- hero */
.hero{padding-top:80px;position:relative}
.hero-cta{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap}
.hero-wave{position:absolute;right:-40px;top:30px;font-size:120px;opacity:.1;user-select:none;pointer-events:none}
.statbar{display:flex;gap:0;margin-top:52px;border:1px solid var(--line);border-radius:var(--r);
  background:rgba(8,25,42,.55);overflow:hidden;flex-wrap:wrap}
.stat{flex:1;min-width:130px;padding:18px 20px;border-right:1px solid var(--line-soft)}
.stat:last-child{border-right:0}
.stat b{display:block;font-size:26px;font-weight:700;font-family:var(--mono);
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:12px;color:var(--dim)}

/* ---------------- catch cards */
.feed-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap}
.species-filter{display:flex;gap:6px;flex-wrap:wrap;margin-top:14px}
.species-filter button{background:none;border:1px solid var(--line);color:var(--dim);border-radius:999px;
  padding:4px 12px;font-size:12.5px;cursor:pointer}
.species-filter button.on{border-color:var(--green);color:var(--green)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-top:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  cursor:pointer;transition:.18s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);border-color:rgba(66,216,255,.4);box-shadow:0 10px 30px rgba(0,10,20,.5)}
.card-photo{aspect-ratio:4/3;background:var(--bg2);display:flex;align-items:center;justify-content:center;overflow:hidden}
.card-photo img{width:100%;height:100%;object-fit:cover}
.card-photo .ph{font-size:52px;opacity:.35}
.card-body{padding:13px 15px;display:flex;flex-direction:column;gap:5px;flex:1}
.card-species{font-weight:700;font-size:15.5px;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.badge{font-size:10.5px;font-family:var(--mono);border-radius:6px;padding:1px 7px;font-weight:500}
.badge.rel{background:rgba(53,224,138,.12);color:var(--green)}
.badge.chain{background:rgba(66,216,255,.1);color:var(--cyan)}
.card-meta{font-size:12.5px;color:var(--dim);display:flex;gap:10px;flex-wrap:wrap}
.card-foot{margin-top:auto;padding-top:8px;border-top:1px dashed var(--line-soft);
  display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--faint)}
.card-foot .who{color:var(--cyan);font-weight:600}
.more-btn{margin:26px auto 0;display:block}

/* ---------------- how it works */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:26px}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.step .n{font-family:var(--mono);color:var(--green);font-size:12px;letter-spacing:.15em}
.step h3{margin:10px 0 8px;font-size:17px}
.step p{color:var(--dim);font-size:13.5px}

/* ---------------- forecast / agent */
.agent-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
@media(max-width:860px){.agent-grid{grid-template-columns:1fr}}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.panel h3{font-size:17px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.fc-row{display:flex;gap:9px;margin-bottom:14px}
.fc-row input{flex:1}
input,select,textarea{
  background:var(--bg2);border:1px solid var(--line);border-radius:10px;color:var(--ink);
  padding:9px 12px;font-size:14px;font-family:var(--sans);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan)}
.moon-line{display:flex;gap:16px;align-items:center;font-size:13px;color:var(--dim);margin-bottom:12px;flex-wrap:wrap}
.moon-line b{color:var(--gold);font-weight:600}
.fc-bars{display:flex;gap:2.5px;align-items:flex-end;height:110px;margin-top:6px}
.fc-bar{flex:1;background:linear-gradient(180deg,var(--cyan),var(--green));border-radius:3px 3px 0 0;
  min-height:4px;position:relative;opacity:.85;transition:.3s}
.fc-bar.low{background:var(--faint);opacity:.4}
.fc-bar.best{background:linear-gradient(180deg,var(--gold),var(--green));opacity:1;
  box-shadow:0 0 12px rgba(255,206,74,.4)}
.fc-bar:hover::after{content:attr(data-tip);position:absolute;bottom:calc(100% + 6px);left:50%;
  transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  padding:4px 8px;font-size:11px;white-space:nowrap;font-family:var(--mono);z-index:5;color:var(--ink)}
.fc-axis{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;color:var(--faint);margin-top:5px}
.fc-best{margin-top:12px;font-size:13px;color:var(--green)}
.chat-log{height:280px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;
  padding:4px 2px;margin-bottom:12px}
.msg{max-width:88%;padding:9px 13px;border-radius:12px;font-size:13.5px;white-space:pre-wrap;word-break:break-word}
.msg.user{align-self:flex-end;background:rgba(66,216,255,.12);border:1px solid rgba(66,216,255,.25)}
.msg.bot{align-self:flex-start;background:var(--panel2);border:1px solid var(--line)}
.msg.bot.think{color:var(--faint);font-style:italic}
.chat-row{display:flex;gap:9px}
.chat-row input{flex:1}

/* ---------------- FISH points */
.points-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:22px}
.pt{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:15px;text-align:center}
.pt b{display:block;font-family:var(--mono);font-size:21px;color:var(--gold)}
.pt span{font-size:12px;color:var(--dim)}
.love-note{margin-top:18px;padding:15px 18px;border-left:3px solid var(--green);
  background:rgba(53,224,138,.05);border-radius:0 10px 10px 0;font-size:13.5px;color:var(--dim)}

/* ---------------- angler page */
.angler-head{display:flex;gap:22px;align-items:center;margin-top:48px;flex-wrap:wrap}
.avatar{width:88px;height:88px;border-radius:50%;border:2px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:40px;flex-shrink:0;
  background:radial-gradient(circle at 35% 30%,var(--panel2),var(--bg2))}
.angler-id h2{margin-bottom:2px}
.addr-line{font-family:var(--mono);font-size:12px;color:var(--faint);word-break:break-all}
.addr-line a{color:var(--faint)}
.bio{color:var(--dim);margin-top:6px;max-width:560px}
.chips{display:flex;gap:9px;margin-top:26px;flex-wrap:wrap}
.chip{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:10px 16px;font-size:13px}
.chip b{font-family:var(--mono);color:var(--cyan);margin-right:5px;font-size:16px}
.chip.gold b{color:var(--gold)}
.species-wall{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.sp-tag{border:1px solid var(--line);border-radius:999px;padding:5px 13px;font-size:12.5px;color:var(--dim)}
.sp-tag b{color:var(--ink)}
.perm-note{margin-top:14px;font-size:12.5px;color:var(--faint)}
.edit-row{margin-top:14px;display:flex;gap:9px;flex-wrap:wrap}

/* ---------------- catch detail */
.detail{margin-top:48px;display:grid;grid-template-columns:1.2fr 1fr;gap:26px}
@media(max-width:860px){.detail{grid-template-columns:1fr}}
.detail-photo{border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:var(--bg2);
  display:flex;align-items:center;justify-content:center;min-height:280px}
.detail-photo img{width:100%;height:auto}
.detail-photo .ph{font-size:90px;opacity:.3}
.kv{display:grid;grid-template-columns:auto 1fr;gap:7px 16px;font-size:14px;margin-top:14px}
.kv dt{color:var(--faint)}
.kv dd{color:var(--ink)}
.story-block{margin-top:16px;padding:14px 16px;background:var(--panel);border-radius:12px;
  border:1px solid var(--line);font-size:14px;white-space:pre-wrap}
.proof{margin-top:20px;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:16px}
.proof h4{font-size:13px;color:var(--green);margin-bottom:9px;display:flex;gap:7px;align-items:center}
.proof .row{font-family:var(--mono);font-size:10.5px;color:var(--dim);word-break:break-all;margin-bottom:5px}
.proof .row b{color:var(--faint);font-weight:500;margin-right:5px}
.proof .ok{color:var(--green);font-size:12px;margin-top:7px;font-family:var(--mono)}

/* ---------------- leaderboard */
.lb-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
@media(max-width:860px){.lb-grid{grid-template-columns:1fr}}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--faint);
  text-transform:uppercase;padding:7px 9px;border-bottom:1px solid var(--line)}
td{padding:9px;border-bottom:1px solid var(--line-soft)}
tr:hover td{background:rgba(66,216,255,.03)}
td .who{color:var(--cyan);font-weight:600;cursor:pointer}
.rank{font-family:var(--mono);color:var(--faint)}
.rank.r1{color:var(--gold)}.rank.r2{color:#c8d6e5}.rank.r3{color:#cd9a62}

/* ---------------- modal */
.modal{position:fixed;inset:0;z-index:100;background:rgba(2,8,16,.78);backdrop-filter:blur(6px);
  display:flex;align-items:flex-start;justify-content:center;overflow-y:auto;padding:40px 16px}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;
  max-width:640px;width:100%;padding:26px;margin-bottom:40px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}
.modal-head h3{font-size:19px}
.x{background:none;border:0;color:var(--dim);font-size:17px;cursor:pointer;padding:4px 8px}
.x:hover{color:var(--coral)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.grid2 label{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--dim)}
.grid2 .span2{grid-column:1/-1}
@media(max-width:560px){.grid2{grid-template-columns:1fr}}
.spot-row{display:flex;gap:8px}
.geo-note{font-size:11px;color:var(--green);min-height:14px}
.seg{display:flex;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{flex:1;background:none;border:0;color:var(--dim);padding:8px 4px;font-size:12.5px;cursor:pointer;
  border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button.on{background:rgba(53,224,138,.13);color:var(--green);font-weight:700}
.check{flex-direction:row!important;align-items:center;gap:9px!important;font-size:14px!important;color:var(--ink)!important}
.check input{width:auto}
.photo-preview{border-radius:10px;max-height:220px;object-fit:cover;margin-top:6px}
.chain-note{margin-top:14px;font-size:12px;color:var(--faint);border-left:2px solid var(--line);padding-left:10px}
.form-err{color:var(--coral);font-size:13px;margin-top:10px}

/* ---------------- misc */
.toast{position:fixed;bottom:84px;left:50%;transform:translateX(-50%);z-index:200;
  background:var(--panel2);border:1px solid var(--green);color:var(--ink);border-radius:12px;
  padding:12px 20px;font-size:14px;box-shadow:0 10px 40px rgba(0,0,0,.5);max-width:90vw}
.empty{color:var(--faint);padding:40px 0;text-align:center;font-size:14px}
.spin{display:inline-block;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.back-link{display:inline-block;margin-top:40px;color:var(--dim);font-size:13px}

/* footer */
.foot{border-top:1px solid var(--line-soft);margin-top:40px;background:rgba(4,13,24,.6)}
.foot-inner{max-width:1080px;margin:0 auto;padding:40px 22px 10px;display:grid;
  grid-template-columns:2fr 1fr 1fr;gap:26px}
@media(max-width:700px){.foot-inner{grid-template-columns:1fr}}
.foot-brand{font-family:var(--serif);font-size:18px}
.foot-brand span{color:var(--faint);font-size:12px;font-family:var(--mono)}
.foot-line{font-size:12.5px;color:var(--dim)}
.foot-hash{font-size:10px;color:var(--faint);margin-top:9px;word-break:break-all}
.foot-h{font-size:12px;color:var(--faint);letter-spacing:.12em;text-transform:uppercase;
  font-family:var(--mono);margin-bottom:8px}
.foot-col a{display:block;font-size:13px;color:var(--dim);margin-bottom:5px}
.foot-col a:hover{color:var(--cyan)}
.foot-note{max-width:1080px;margin:0 auto;padding:14px 22px 26px;font-size:11.5px;color:var(--faint)}

@media(max-width:760px){
  .nav{display:none}
  .brand-domain{display:none}
  .top{gap:10px;padding:10px 14px}
  .hero{padding-top:48px}
}