/* ============================================================
   NEXUS//ZERO v2.0 — Cyberpunk Hacker RPG
   style.css — theme tokens, layout, panels, FX, responsive,
   themes, tooltips, tutorial coach-marks, NET LINK, settings
   ============================================================ */

:root{
  --bg:#05060a;
  --bg-2:#0a0e16;
  --panel:rgba(14,20,32,.62);
  --panel-solid:#0c1220;
  --glass-border:rgba(0,240,255,.22);
  --cyan:#00f0ff;
  --cyan-dim:#0a8a96;
  --magenta:#ff2ec4;
  --violet:#9b5cff;
  --lime:#9dff3c;
  --amber:#ffb020;
  --red:#ff3b5c;
  --ink:#cfe9f0;
  --ink-dim:#6f8a96;
  --grid:rgba(0,240,255,.06);
  --glow-cyan:0 0 12px rgba(0,240,255,.55);
  --glow-mag:0 0 12px rgba(255,46,196,.5);
  --radius:14px;
  --mono:"SF Mono",ui-monospace,"Cascadia Code","JetBrains Mono",Consolas,monospace;
  --sans:"Segoe UI",system-ui,sans-serif;
  --t:.25s cubic-bezier(.22,1,.36,1);
}

/* ---------- UI themes (re-tint via variable overrides) ---------- */
body[data-theme="crimson"]{
  --cyan:#ff4757; --cyan-dim:#8a2630; --magenta:#ffa502; --violet:#ff6b81;
  --glass-border:rgba(255,71,87,.25);
  --glow-cyan:0 0 12px rgba(255,71,87,.55); --glow-mag:0 0 12px rgba(255,165,2,.5);
  --ink:#f0d8da;
}
body[data-theme="emerald"]{
  --cyan:#00ff9d; --cyan-dim:#0a8a5c; --magenta:#c8ff3c; --violet:#2eccaa;
  --glass-border:rgba(0,255,157,.22);
  --glow-cyan:0 0 12px rgba(0,255,157,.55); --glow-mag:0 0 12px rgba(200,255,60,.5);
  --ink:#d2f0e2;
}
body[data-theme="gold"]{
  --cyan:#ffd54a; --cyan-dim:#96800a; --magenta:#ff7a2e; --violet:#ffb020;
  --glass-border:rgba(255,213,74,.25);
  --glow-cyan:0 0 12px rgba(255,213,74,.55); --glow-mag:0 0 12px rgba(255,122,46,.5);
  --ink:#f0e8d0;
}
body[data-theme="ghost"]{
  --cyan:#f2f6f8; --cyan-dim:#8a9499; --magenta:#c9d6dd; --violet:#aebfc9;
  --glass-border:rgba(242,246,248,.3);
  --glow-cyan:0 0 10px rgba(242,246,248,.45); --glow-mag:0 0 10px rgba(201,214,221,.4);
  --ink:#eef4f7; --ink-dim:#9fb0b8;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--mono);
  background:
    radial-gradient(1200px 700px at 70% -10%, rgba(155,92,255,.12), transparent 60%),
    radial-gradient(900px 600px at 10% 110%, rgba(255,46,196,.10), transparent 60%),
    var(--bg);
  color:var(--ink);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  user-select:none;
}
.hidden{display:none !important}
button{font-family:inherit;cursor:pointer;color:inherit;border:none;background:none}
::selection{background:var(--cyan);color:#001}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(0,240,255,.25);border-radius:8px}
::-webkit-scrollbar-track{background:transparent}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}

/* ---------- background FX layers ---------- */
#bg-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}
#scanlines{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.18) 0 1px,transparent 1px 3px);
  mix-blend-mode:multiply;opacity:.5;
}
#vignette{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(120% 120% at 50% 50%,transparent 55%,rgba(0,0,0,.65) 100%);
}
body:not(.crt) #scanlines{display:none}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001s !important;transition-duration:.05s !important}
}

/* ---------- boot ---------- */
.boot{position:fixed;inset:0;z-index:50;background:#020306;display:flex;align-items:center;justify-content:center}
.boot-inner{width:min(820px,92vw);height:min(70vh,560px);overflow:hidden;padding:24px}
.boot-log{font-size:13.5px;line-height:1.55;color:#7dffd0;text-shadow:0 0 6px rgba(125,255,208,.4);white-space:pre-wrap;word-break:break-word}
.boot-log .ok{color:var(--lime)} .boot-log .warn{color:var(--amber)} .boot-log .err{color:var(--red)}
.boot-log .cyan{color:var(--cyan)} .boot-log .dim{color:var(--ink-dim)}
.boot-skip{position:fixed;bottom:22px;right:24px;z-index:51;font-size:12px;letter-spacing:.18em;color:var(--ink-dim);padding:8px 14px;border:1px solid var(--glass-border);border-radius:8px}
.boot-skip:hover{color:var(--cyan);border-color:var(--cyan)}
.boot.flash{animation:bootflash .4s steps(2)}
@keyframes bootflash{50%{background:#0ff;filter:invert(1)}}

/* ---------- main menu ---------- */
.menu{position:fixed;inset:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:38px;text-align:center;animation:fade .6s var(--t)}
.menu-logo h1{font-size:clamp(40px,9vw,96px);letter-spacing:.06em;color:#eafcff;text-shadow:var(--glow-cyan),0 0 40px rgba(0,240,255,.3)}
.menu-sub{margin-top:8px;letter-spacing:.5em;color:var(--magenta);font-size:clamp(10px,2vw,14px);text-shadow:var(--glow-mag)}
.menu-actions{display:flex;flex-direction:column;gap:14px;width:min(320px,80vw)}
.menu-foot{position:fixed;bottom:22px;color:var(--ink-dim);font-size:11px;letter-spacing:.2em}

/* glitch text */
.glitch{position:relative}
.glitch::before,.glitch::after{content:attr(data-text);position:absolute;inset:0;clip-path:inset(0)}
.glitch::before{color:var(--magenta);animation:gl1 2.6s infinite linear alternate}
.glitch::after{color:var(--cyan);animation:gl2 2.1s infinite linear alternate}
@keyframes gl1{0%,92%{transform:none;opacity:0}93%{opacity:.8;transform:translate(-3px,1px)}97%{transform:translate(2px,-1px)}100%{opacity:0}}
@keyframes gl2{0%,90%{transform:none;opacity:0}91%{opacity:.8;transform:translate(3px,-1px)}96%{transform:translate(-2px,1px)}100%{opacity:0}}

/* ---------- buttons ---------- */
.btn{
  position:relative;padding:14px 20px;font-size:14px;letter-spacing:.12em;color:var(--ink);
  background:linear-gradient(180deg,rgba(0,240,255,.08),rgba(0,240,255,.02));
  border:1px solid var(--glass-border);border-radius:10px;transition:var(--t);overflow:hidden;
}
.btn:hover:not(:disabled){border-color:var(--cyan);color:#eafcff;box-shadow:var(--glow-cyan);transform:translateY(-1px)}
.btn:active:not(:disabled){transform:translateY(0) scale(.99)}
.btn:disabled{opacity:.35;cursor:not-allowed}
.btn-primary{background:linear-gradient(180deg,rgba(0,240,255,.22),rgba(0,240,255,.06));border-color:var(--cyan);color:#eafcff}
.btn-ghost{background:transparent;border-color:rgba(255,59,92,.35);color:#ff8aa0}
.btn-ghost:hover{border-color:var(--red);box-shadow:0 0 12px rgba(255,59,92,.4);color:#ffd4dc}
.btn-sm{padding:9px 14px;font-size:12px}
.btn-mag{border-color:var(--magenta);color:#ffd4f3}
.btn-mag:hover{box-shadow:var(--glow-mag);border-color:var(--magenta)}

/* ---------- app shell ---------- */
.app{position:fixed;inset:0;z-index:20;display:grid;
  grid-template-columns:210px 1fr;grid-template-rows:64px 1fr;
  grid-template-areas:"hud hud" "nav screen";gap:0;animation:fade .5s var(--t)}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

.hud{grid-area:hud;display:flex;align-items:center;gap:20px;padding:0 18px;
  background:linear-gradient(180deg,rgba(8,12,20,.9),rgba(8,12,20,.55));
  border-bottom:1px solid var(--glass-border);backdrop-filter:blur(10px)}
.hud-id{display:flex;align-items:center;gap:11px;min-width:160px}
.hud-logo{font-size:26px;color:var(--cyan);text-shadow:var(--glow-cyan)}
.hud-name{font-size:14px;letter-spacing:.12em;color:#eafcff}
.hud-rank{font-size:11px;color:var(--magenta);letter-spacing:.14em}
.hud-stats{display:flex;align-items:center;gap:18px;margin-left:auto;flex-wrap:wrap}
.stat{display:flex;align-items:center;gap:8px}
.stat-label{font-size:10px;color:var(--ink-dim);letter-spacing:.1em}
.stat-val{font-size:13px;color:var(--ink);font-variant-numeric:tabular-nums}
.stat-num .stat-val{font-size:15px;color:#eafcff}
.bar{width:84px;height:7px;border-radius:6px;background:rgba(255,255,255,.07);overflow:hidden;border:1px solid rgba(255,255,255,.06)}
.bar i{display:block;height:100%;width:0;transition:width .4s var(--t)}
.bar-xp i{background:linear-gradient(90deg,var(--violet),var(--cyan));box-shadow:var(--glow-cyan)}
.bar-energy i{background:linear-gradient(90deg,var(--lime),var(--amber));box-shadow:0 0 10px rgba(157,255,60,.5)}
.hud-btn{font-size:20px;color:var(--cyan);padding:6px 10px;border-radius:8px;border:1px solid transparent}
.hud-btn:hover{border-color:var(--glass-border)}
.hud-btn.off{color:var(--ink-dim);text-decoration:line-through}

.nav{grid-area:nav;display:flex;flex-direction:column;gap:4px;padding:14px 10px;
  background:linear-gradient(180deg,rgba(8,12,20,.6),rgba(8,12,20,.2));
  border-right:1px solid var(--glass-border);backdrop-filter:blur(8px)}
.nav-btn{display:flex;align-items:center;gap:11px;padding:11px 14px;font-size:13px;letter-spacing:.06em;
  color:var(--ink-dim);border-radius:10px;border:1px solid transparent;transition:var(--t);text-align:left}
.nav-btn span{display:inline-flex;width:20px;justify-content:center;color:var(--cyan)}
.nav-btn:hover{color:var(--ink);background:rgba(0,240,255,.06)}
.nav-btn.active{color:#eafcff;background:linear-gradient(90deg,rgba(0,240,255,.14),transparent);border-color:var(--glass-border);box-shadow:inset 2px 0 0 var(--cyan)}
.nav-exit{margin-top:auto;color:#ff8aa0}.nav-exit span{color:var(--red)}

.screen{grid-area:screen;overflow-y:auto;padding:22px clamp(16px,3vw,34px);position:relative}
.screen-anim{animation:screenIn .3s var(--t)}
@keyframes screenIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* ---------- generic panel ---------- */
.panel{background:var(--panel);border:1px solid var(--glass-border);border-radius:var(--radius);
  padding:18px;backdrop-filter:blur(12px);box-shadow:0 8px 40px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.03);position:relative}
.panel::before{content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  background:linear-gradient(135deg,rgba(0,240,255,.05),transparent 40%)}
.panel-title{font-size:12px;letter-spacing:.22em;color:var(--cyan);margin-bottom:14px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.panel-title::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,var(--glass-border),transparent)}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.screen-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.screen-head h2{font-size:22px;letter-spacing:.1em;color:#eafcff}
.screen-head .sub{color:var(--ink-dim);font-size:12px;letter-spacing:.1em}
.muted{color:var(--ink-dim)}.cyan{color:var(--cyan)}.mag{color:var(--magenta)}.lime{color:var(--lime)}.amber{color:var(--amber)}.red{color:var(--red)}

/* ---------- dashboard ---------- */
.dash-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.kpi{padding:16px 18px}
.kpi .v{font-size:30px;color:#eafcff;text-shadow:var(--glow-cyan);font-variant-numeric:tabular-nums}
.kpi .l{font-size:11px;letter-spacing:.18em;color:var(--ink-dim);margin-top:4px}
.kpi .d{font-size:11px;color:var(--lime);margin-top:6px;min-height:14px}
.ledger{list-style:none;display:flex;flex-direction:column;gap:8px;max-height:220px;overflow:auto}
.ledger li{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;padding:7px 10px;border-radius:8px;background:rgba(255,255,255,.02);border-left:2px solid var(--cyan-dim)}
.ledger li .t{color:var(--ink-dim)}
.streak-badge{font-size:10px;letter-spacing:.08em;color:var(--amber);border:1px solid rgba(255,176,32,.4);padding:3px 8px;border-radius:12px}

/* ---------- missions ---------- */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{padding:7px 13px;font-size:11.5px;letter-spacing:.08em;border-radius:20px;border:1px solid var(--glass-border);color:var(--ink-dim);transition:var(--t)}
.chip:hover{color:var(--ink)}
.chip.active{color:#001;background:var(--cyan);border-color:var(--cyan);box-shadow:var(--glow-cyan)}
.chip-sm{padding:5px 10px;font-size:10.5px}
.mlist{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}
.mcard{padding:15px 16px;display:flex;flex-direction:column;gap:9px;cursor:pointer;transition:var(--t)}
.mcard:hover{transform:translateY(-3px);border-color:var(--cyan);box-shadow:0 10px 30px rgba(0,0,0,.4),var(--glow-cyan)}
.mcard.locked{opacity:.5;cursor:not-allowed}.mcard.locked:hover{transform:none;border-color:var(--glass-border);box-shadow:none}
.mcard.done{border-color:rgba(157,255,60,.4)}
.mcard.secretm{border-color:rgba(255,46,196,.45);box-shadow:0 0 18px rgba(255,46,196,.12)}
.mc-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.mc-cat{font-size:10px;letter-spacing:.16em;padding:3px 8px;border-radius:6px;border:1px solid currentColor}
.mc-title{font-size:15px;color:#eafcff;letter-spacing:.04em;line-height:1.3}
.mc-host{font-size:11px;color:var(--ink-dim)}
.mc-desc{font-size:12px;color:var(--ink-dim);line-height:1.5;flex:1}
.mc-foot{display:flex;justify-content:space-between;align-items:center;font-size:11.5px;margin-top:2px}
.mc-rew{display:flex;gap:11px;color:var(--lime)}
.diff{display:inline-flex;gap:3px}
.diff i{width:7px;height:7px;border-radius:2px;background:rgba(255,255,255,.12)}
.diff i.on{background:var(--amber);box-shadow:0 0 6px var(--amber)}
.badge-done{font-size:10px;color:var(--lime);border:1px solid var(--lime);padding:2px 7px;border-radius:6px;letter-spacing:.1em}
.blackout-row{display:flex;align-items:center;gap:10px;margin-top:14px;padding:10px 12px;font-size:12.5px;color:#ffd4dc;
  border:1px dashed rgba(255,59,92,.5);border-radius:10px;cursor:pointer}
.blackout-row input{accent-color:var(--red);width:16px;height:16px;cursor:pointer}

/* ---------- upgrades ---------- */
.upgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.upcard{padding:18px;display:flex;flex-direction:column;gap:12px}
.up-icon{font-size:30px;text-shadow:var(--glow-cyan)}
.up-name{font-size:15px;letter-spacing:.1em;color:#eafcff}
.up-desc{font-size:12px;color:var(--ink-dim);line-height:1.5;min-height:34px}
.up-pips{display:flex;gap:5px}
.up-pips i{flex:1;height:8px;border-radius:3px;background:rgba(255,255,255,.08)}
.up-pips i.on{background:linear-gradient(90deg,var(--violet),var(--cyan));box-shadow:var(--glow-cyan)}
.up-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.up-cost{font-size:12px;color:var(--amber)}
.pulse{animation:pulse .5s var(--t)}
@keyframes pulse{0%{box-shadow:0 0 0 rgba(0,240,255,.6)}50%{box-shadow:0 0 26px rgba(0,240,255,.7)}100%{box-shadow:none}}

/* ---------- achievements ---------- */
.achgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:12px}
.ach{padding:15px;text-align:center;display:flex;flex-direction:column;gap:7px;align-items:center;opacity:.45;filter:grayscale(.8)}
.ach.un{opacity:1;filter:none;border-color:rgba(157,255,60,.4)}
.ach .ico{font-size:30px}
.ach .nm{font-size:12.5px;letter-spacing:.05em;color:#eafcff}
.ach .ds{font-size:10.5px;color:var(--ink-dim);line-height:1.4}

/* ---------- settings ---------- */
.set-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.05);flex-wrap:wrap}
.set-row .lbl{font-size:13px}.set-row .hint{font-size:11px;color:var(--ink-dim);margin-top:3px}
.switch{width:48px;height:26px;border-radius:14px;background:rgba(255,255,255,.1);border:1px solid var(--glass-border);position:relative;transition:var(--t);flex:none}
.switch i{position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:var(--ink-dim);transition:var(--t)}
.switch.on{background:rgba(0,240,255,.25);border-color:var(--cyan)}
.switch.on i{left:24px;background:var(--cyan);box-shadow:var(--glow-cyan)}
.qual-chips{display:flex;gap:6px;flex-wrap:wrap}
.kbd{min-width:46px;padding:7px 12px;font-size:12px;letter-spacing:.06em;text-align:center;color:#eafcff;
  background:rgba(2,4,8,.6);border:1px solid var(--glass-border);border-radius:8px;border-bottom-width:3px}
.kbd:hover{border-color:var(--cyan)}
.kbd.listening{border-color:var(--magenta);color:var(--magenta);animation:blink 1s steps(1) infinite}
.savebox{width:100%;min-height:120px;resize:vertical;padding:12px;font-family:var(--mono);font-size:11px;line-height:1.5;
  color:var(--ink);background:rgba(2,4,8,.6);border:1px solid var(--glass-border);border-radius:10px;word-break:break-all;user-select:text}

/* ---------- terminal ---------- */
.term{display:flex;flex-direction:column;height:calc(100vh - 64px - 44px);min-height:360px}
.term-out{flex:1;overflow-y:auto;padding:16px;font-size:13.5px;line-height:1.6;background:rgba(2,4,8,.5);border:1px solid var(--glass-border);border-radius:12px 12px 0 0}
.term-out .line{white-space:pre-wrap;word-break:break-word}
.term-out .u{color:var(--cyan)}.term-out .sys{color:var(--ink-dim)}.term-out .ok{color:var(--lime)}
.term-out .err{color:var(--red)}.term-out .warn{color:var(--amber)}.term-out .hi{color:var(--magenta)}
.term-in{display:flex;align-items:center;gap:10px;padding:12px 16px;background:rgba(2,4,8,.7);border:1px solid var(--glass-border);border-top:none;border-radius:0 0 12px 12px}
.term-prompt{color:var(--lime);white-space:nowrap}
.term-field{flex:1;background:none;border:none;outline:none;color:var(--ink);font-family:var(--mono);font-size:14px;caret-color:var(--cyan)}
.cursor-blink{animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.term-ac{font-size:11px;color:var(--ink-dim);padding:2px 16px 8px}

/* ---------- modal / puzzles ---------- */
.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;
  background:rgba(2,3,8,.78);backdrop-filter:blur(6px);animation:fade .25s var(--t);padding:18px}
.dialog{width:min(680px,96vw);max-height:92vh;overflow:auto;background:linear-gradient(180deg,rgba(12,18,30,.96),rgba(8,12,20,.96));
  border:1px solid var(--cyan);border-radius:16px;box-shadow:0 20px 80px rgba(0,0,0,.6),var(--glow-cyan);padding:22px}
.dialog.wide{width:min(820px,96vw)}
.dlg-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.dlg-title{font-size:18px;letter-spacing:.08em;color:#eafcff}
.dlg-sub{font-size:11px;color:var(--magenta);letter-spacing:.14em;margin-top:3px}
.dlg-x{font-size:22px;color:var(--ink-dim);line-height:1}
.dlg-x:hover{color:var(--red)}
.dlg-body{font-size:13.5px;line-height:1.6}
.dlg-foot{display:flex;gap:10px;justify-content:flex-end;margin-top:18px;flex-wrap:wrap}

/* puzzle shared */
.pz-timer{height:8px;border-radius:5px;background:rgba(255,255,255,.08);overflow:hidden;margin:6px 0 16px}
.pz-timer i{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--lime),var(--amber),var(--red))}
.pz-msg{text-align:center;font-size:13px;color:var(--ink-dim);min-height:20px;letter-spacing:.05em;margin-top:6px}
.pz-stat{display:flex;gap:18px;justify-content:center;font-size:12px;color:var(--ink-dim);margin-bottom:10px;flex-wrap:wrap}
.pz-stat b{color:var(--cyan)}
.pzcanvas{width:100%;display:block;border:1px solid var(--glass-border);border-radius:12px;background:rgba(2,4,8,.6)}
.pz-guide{font-size:12px;line-height:1.55;color:#dffaff;background:rgba(0,240,255,.07);border:1px dashed var(--glass-border);
  border-radius:10px;padding:10px 14px;margin-bottom:14px}
.pz-guide::before{content:"💡 ";filter:saturate(1.4)}

/* decoder */
.dec-cipher{text-align:center;font-size:26px;letter-spacing:.3em;color:var(--magenta);text-shadow:var(--glow-mag);margin:8px 0 4px}
.dec-key{text-align:center;font-size:12px;color:var(--ink-dim);margin-bottom:14px}
.dec-opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px}
.dec-opt{padding:14px;font-size:18px;letter-spacing:.2em;text-align:center;border:1px solid var(--glass-border);border-radius:10px;color:#eafcff;transition:var(--t)}
.dec-opt:hover{border-color:var(--cyan);box-shadow:var(--glow-cyan)}
.dec-opt.good{border-color:var(--lime);background:rgba(157,255,60,.15)}
.dec-opt.bad{border-color:var(--red);background:rgba(255,59,92,.15);animation:shake .3s}
@keyframes shake{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}

/* scanner / memory grids */
.grid-cells{display:grid;gap:7px;justify-content:center;margin:10px auto}
.cell{width:52px;height:52px;border-radius:9px;border:1px solid var(--glass-border);background:rgba(255,255,255,.03);
  display:flex;align-items:center;justify-content:center;font-size:18px;transition:var(--t);color:var(--ink-dim)}
.cell:hover{border-color:var(--cyan)}
.cell.lit{background:var(--cyan);color:#001;box-shadow:var(--glow-cyan);border-color:var(--cyan)}
.cell.mag{background:var(--magenta);color:#001;box-shadow:var(--glow-mag);border-color:var(--magenta)}
.cell.hot{background:rgba(255,59,92,.3);border-color:var(--red);color:#fff}
.cell.warm{background:rgba(255,176,32,.25);border-color:var(--amber)}
.cell.cold{background:rgba(0,240,255,.12);border-color:var(--cyan-dim)}
.cell.found{background:rgba(157,255,60,.25);border-color:var(--lime);color:var(--lime)}
.cell.miss{opacity:.3}

/* battle */
.bt-arena{display:flex;justify-content:space-between;gap:18px;margin:6px 0 14px}
.bt-side{flex:1;text-align:center}
.bt-av{font-size:46px;margin-bottom:6px}
.bt-hp{height:12px;border-radius:7px;background:rgba(255,255,255,.08);overflow:hidden;border:1px solid var(--glass-border)}
.bt-hp i{display:block;height:100%;transition:width .35s var(--t)}
.bt-hp.you i{background:linear-gradient(90deg,var(--lime),var(--cyan))}
.bt-hp.foe i{background:linear-gradient(90deg,var(--red),var(--magenta))}
.bt-vs{align-self:center;color:var(--magenta);font-size:20px}
.bt-acts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.bt-log{font-size:12px;color:var(--ink-dim);background:rgba(2,4,8,.5);border-radius:10px;padding:10px 12px;height:96px;overflow:auto;margin-top:12px;line-height:1.5}

/* ---------- NET LINK ---------- */
.nl-me{display:flex;justify-content:space-between;align-items:center;gap:12px}
.nl-rating{font-size:30px;color:#eafcff;text-shadow:var(--glow-cyan);font-variant-numeric:tabular-nums}
.nl-url{padding:10px 12px;border:1px solid var(--glass-border);border-radius:8px;background:rgba(2,4,8,.6);font-size:12px;min-width:0;flex:1}
.nl-list{display:flex;flex-direction:column;gap:8px}
.nl-row{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.05);flex-wrap:wrap}
.nl-h{color:#eafcff;letter-spacing:.06em;font-size:13px}
.nl-dot{width:9px;height:9px;border-radius:50%;flex:none}
.nl-dot.on{background:var(--lime);box-shadow:0 0 8px var(--lime)}
.nl-dot.busy{background:var(--amber);box-shadow:0 0 8px var(--amber)}
.nl-bot{font-size:9px;letter-spacing:.12em;color:var(--amber);border:1px solid rgba(255,176,32,.5);padding:1px 5px;border-radius:5px;vertical-align:middle}
.duel-bars{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:14px}
.duel-lbl{font-size:10px;letter-spacing:.16em;color:var(--ink-dim);margin-bottom:6px}
.duel-pips{display:flex;gap:6px}
.duel-pips i{flex:1;height:10px;border-radius:4px;background:rgba(255,255,255,.08)}
.duel-pips i.on{background:linear-gradient(90deg,var(--violet),var(--cyan));box-shadow:var(--glow-cyan)}
table.board{width:100%;border-collapse:collapse;font-size:12px}
table.board th{font-size:10px;letter-spacing:.14em;color:var(--ink-dim);text-align:left;padding:6px 8px;border-bottom:1px solid var(--glass-border)}
table.board td{padding:7px 8px;border-bottom:1px solid rgba(255,255,255,.04);user-select:text}
table.board tr.you td{color:var(--cyan);background:rgba(0,240,255,.05)}

/* ---------- tooltips ---------- */
.tipfloat{position:fixed;z-index:90;display:none;max-width:280px;padding:8px 12px;font-size:11.5px;line-height:1.5;
  color:#eafcff;background:rgba(8,13,22,.97);border:1px solid var(--glass-border);border-radius:9px;
  box-shadow:0 8px 30px rgba(0,0,0,.55),var(--glow-cyan);pointer-events:none;letter-spacing:.02em}

/* ---------- tutorial coach marks ---------- */
.coach-backdrop{position:fixed;inset:0;z-index:70;background:rgba(2,3,8,.78)}
.coach-ring{position:fixed;z-index:71;display:none;border:2px solid var(--cyan);border-radius:12px;pointer-events:none;
  box-shadow:0 0 0 9999px rgba(2,3,8,.78),var(--glow-cyan);transition:all .3s var(--t)}
.coach-card{position:fixed;z-index:72;width:min(420px,calc(100vw - 24px));padding:18px 20px;
  background:linear-gradient(180deg,rgba(12,18,30,.98),rgba(8,12,20,.98));
  border:1px solid var(--cyan);border-radius:14px;box-shadow:0 18px 60px rgba(0,0,0,.6),var(--glow-cyan);
  transition:left .3s var(--t),top .3s var(--t)}
.coach-title{font-size:16px;letter-spacing:.1em;color:#eafcff;margin-bottom:10px}
.coach-text{font-size:12.5px;line-height:1.65;color:var(--ink)}
.coach-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px}
.coach-dots{display:flex;gap:5px}
.coach-dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.15)}
.coach-dots i.on{background:var(--cyan);box-shadow:var(--glow-cyan)}

/* ---------- level-up flash ---------- */
.lvlflash{position:fixed;inset:0;z-index:65;pointer-events:none;
  background:radial-gradient(60% 60% at 50% 50%,rgba(155,92,255,.28),transparent 70%);
  animation:lvlf .9s var(--t) forwards}
@keyframes lvlf{0%{opacity:0}18%{opacity:1}100%{opacity:0}}

/* ---------- toasts ---------- */
.toast-wrap{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:80;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{padding:11px 18px;font-size:13px;letter-spacing:.05em;border-radius:10px;border:1px solid var(--glass-border);
  background:rgba(10,16,26,.95);box-shadow:0 10px 30px rgba(0,0,0,.5);animation:tin .3s var(--t);max-width:90vw}
.toast.ok{border-color:var(--lime);color:#dfffce;box-shadow:0 0 18px rgba(157,255,60,.3)}
.toast.err{border-color:var(--red);color:#ffd4dc;box-shadow:0 0 18px rgba(255,59,92,.3)}
.toast.info{border-color:var(--cyan);color:#dffaff}
.toast.lvl{border-color:var(--violet);color:#e9dcff;box-shadow:0 0 22px rgba(155,92,255,.5)}
@keyframes tin{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.toast.out{animation:tout .3s var(--t) forwards}
@keyframes tout{to{opacity:0;transform:translateY(-8px)}}

/* ---------- responsive ---------- */
@media (max-width:860px){
  .app{grid-template-columns:1fr;grid-template-rows:58px 1fr auto;grid-template-areas:"hud" "screen" "nav"}
  .nav{flex-direction:row;overflow-x:auto;border-right:none;border-top:1px solid var(--glass-border);padding:8px}
  .nav-btn{flex-direction:column;gap:4px;font-size:10px;padding:8px 10px;min-width:62px;text-align:center;white-space:nowrap}
  .nav-btn.active{box-shadow:inset 0 2px 0 var(--cyan)}
  .nav-exit{margin-top:0}
  .hud-stats{gap:10px}.bar{width:54px}
  .hud-name{font-size:12px}.stat-label{display:none}
  .term{height:calc(100vh - 58px - 78px)}
  .cell{width:42px;height:42px}
  .coach-card{left:12px !important;right:12px;bottom:90px;top:auto !important;transform:none !important;width:auto}
  .duel-bars{grid-template-columns:1fr;gap:10px}
}
@media (max-width:420px){
  .hud-stats .stat:nth-child(2){display:none}
  .cell{width:36px;height:36px;font-size:14px}
}