/* ============================================================
   Surgeon Simulator — AAA UI  |  Happystoner5420 Games
   ============================================================ */
:root{
  --bg:#05080d;
  --panel:#0b121c;
  --panel-2:#0f1a28;
  --line:#1d2c40;
  --teal:#27e0c8;
  --teal-deep:#0bb6a3;
  --blue:#3aa0ff;
  --red:#ff3b52;
  --amber:#ffb020;
  --green:#36d97a;
  --text:#dfeaf5;
  --muted:#7d93ab;
  --glass:rgba(10,18,28,.62);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{
  font-family:'Rajdhani',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  overflow:hidden;
  user-select:none;
  -webkit-font-smoothing:antialiased;
}
b{font-weight:700}

/* ---------- screen system ---------- */
.screen{
  position:fixed;inset:0;
  display:none;
  opacity:0;
  transition:opacity .55s ease;
  z-index:1;
}
.screen.active{display:block;opacity:1;z-index:5}
.overlay{
  position:fixed;inset:0;
  display:none;align-items:center;justify-content:center;
  background:rgba(3,6,10,.78);
  backdrop-filter:blur(8px);
  z-index:40;opacity:0;transition:opacity .35s ease;
}
.overlay.active{display:flex;opacity:1}

/* ---------- branding ---------- */
.game-title{
  font-family:'Oswald',sans-serif;
  font-weight:700;letter-spacing:.06em;
  font-size:clamp(2.4rem,6vw,4.4rem);
  line-height:.92;color:#fff;
  text-shadow:0 0 24px rgba(39,224,200,.35);
}
.game-title .thin{display:block;font-weight:300;color:var(--teal);letter-spacing:.32em;font-size:.42em}
.subtitle{color:var(--muted);letter-spacing:.28em;text-transform:uppercase;font-size:.8rem;margin-top:.4rem}
.logo-mark{
  width:74px;height:74px;border-radius:18px;display:grid;place-items:center;
  background:linear-gradient(150deg,#0e2230,#06121b);
  border:1px solid var(--line);
  box-shadow:0 0 40px rgba(39,224,200,.25),inset 0 0 22px rgba(39,224,200,.12);
}
.logo-mark span{font-family:'Oswald';font-weight:700;font-size:2.6rem;color:var(--teal);text-shadow:0 0 18px var(--teal)}
.logo-mark.small{width:58px;height:58px}.logo-mark.small span{font-size:2rem}

/* ---------- loading ---------- */
#loading-screen{background:radial-gradient(circle at 50% 35%,#0a1622,#04070c 70%)}
.loading-inner{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.3rem;text-align:center}
.ecg{width:min(440px,70vw);height:48px;overflow:hidden;opacity:.85}
.ecg-line{
  width:200%;height:100%;
  background:
    repeating-linear-gradient(90deg,transparent 0 38px,var(--teal) 38px 39px,transparent 39px 44px) ,
    linear-gradient(transparent,transparent);
  -webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  animation:ecgmove 1.6s linear infinite;
}
@keyframes ecgmove{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.loadbar{width:min(440px,70vw);height:7px;border-radius:99px;background:#0e1a26;border:1px solid var(--line);overflow:hidden}
.loadbar-fill{height:100%;width:0;background:linear-gradient(90deg,var(--teal-deep),var(--teal));box-shadow:0 0 14px var(--teal);transition:width .25s}
.loading-text{color:var(--muted);letter-spacing:.12em;font-size:.95rem}
.studio-tag{position:absolute;bottom:26px;color:var(--muted);letter-spacing:.4em;font-size:.72rem;opacity:.7}

/* ---------- menu ---------- */
.menu-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.06);animation:slowpan 26s ease-in-out infinite alternate;filter:saturate(1.05)}
@keyframes slowpan{from{transform:scale(1.06) translateX(0)}to{transform:scale(1.14) translateX(-2.5%)}}
.menu-scrim{position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,6,11,.92) 0%,rgba(3,6,11,.72) 38%,rgba(3,6,11,.25) 100%)}
.vital-strip{position:absolute;top:0;left:0;right:0;height:3px;overflow:hidden;opacity:.6}
.vital-strip-line{height:100%;width:200%;background:repeating-linear-gradient(90deg,transparent 0 60px,var(--teal) 60px 62px,transparent 62px 80px);animation:ecgmove 2.2s linear infinite}
.menu-content{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:center;gap:2.2rem;padding:clamp(2rem,7vw,7rem)}
.brand{display:flex;align-items:center;gap:1.2rem}
.menu-nav{display:flex;flex-direction:column;gap:.85rem;max-width:430px}
.footer-note{color:var(--muted);font-size:.85rem;letter-spacing:.04em;max-width:430px}

/* ---------- buttons ---------- */
.menu-btn{
  position:relative;text-align:left;cursor:pointer;
  background:var(--glass);border:1px solid var(--line);
  border-left:3px solid var(--line);
  padding:.95rem 1.3rem;border-radius:12px;color:var(--text);
  backdrop-filter:blur(10px);overflow:hidden;
  transition:transform .18s ease,border-color .25s ease,background .25s ease,box-shadow .25s;
}
.menu-btn .mb-label{display:block;font-size:1.18rem;font-weight:700;letter-spacing:.04em}
.menu-btn .mb-sub{display:block;font-size:.78rem;color:var(--muted);letter-spacing:.06em}
.menu-btn:hover{transform:translateX(8px);border-left-color:var(--teal);box-shadow:-6px 0 22px rgba(39,224,200,.18)}
.menu-btn.primary{background:linear-gradient(100deg,rgba(11,182,163,.22),var(--glass));border-left-color:var(--teal)}
.menu-btn.primary:hover{box-shadow:-6px 0 28px rgba(39,224,200,.35)}
.menu-btn.danger:hover{border-left-color:var(--red);box-shadow:-6px 0 22px rgba(255,59,82,.25)}
.menu-btn.inline{flex:1;text-align:center}
.menu-btn.inline .mb-label{font-size:1.05rem}
.btn-back{cursor:pointer;background:transparent;border:1px solid var(--line);color:var(--muted);padding:.6rem 1.1rem;border-radius:99px;letter-spacing:.06em;transition:.2s}
.btn-back:hover{color:var(--teal);border-color:var(--teal)}
.icon-btn{cursor:pointer;width:42px;height:42px;border-radius:10px;background:var(--glass);border:1px solid var(--line);color:var(--text);font-size:.9rem;transition:.2s}
.icon-btn:hover{border-color:var(--teal);color:var(--teal)}

/* ---------- generic panels ---------- */
.panel-bg{position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,#0a1826,#04070c 70%)}
.panel{position:relative;z-index:2;max-width:1000px;margin:0 auto;height:100%;overflow:auto;
  padding:clamp(1.6rem,5vw,3.4rem);display:flex;flex-direction:column;gap:1.4rem}
.panel-title{font-family:'Oswald';font-size:2.2rem;letter-spacing:.04em;color:#fff;border-left:4px solid var(--teal);padding-left:1rem}
.howto-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1rem}
.howto-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.1rem 1.2rem;transition:.2s}
.howto-card:hover{border-color:var(--teal-deep);transform:translateY(-3px)}
.howto-card h3{color:var(--teal);font-size:1.05rem;margin-bottom:.4rem;letter-spacing:.03em}
.howto-card p{color:var(--text);font-size:.92rem;line-height:1.45}
.keymap{display:flex;flex-wrap:wrap;gap:.8rem}
.keymap span{background:var(--panel-2);border:1px solid var(--line);border-radius:8px;padding:.4rem .8rem;font-size:.85rem;color:var(--muted)}
.keymap b{color:var(--teal)}

/* ---------- credits ---------- */
.credits-panel{align-items:center;text-align:center;justify-content:center;gap:1rem}
.studio-name{font-family:'Oswald';font-size:2.6rem;color:#fff;text-shadow:0 0 26px rgba(39,224,200,.4)}
.credits-line{color:var(--teal);letter-spacing:.06em}
.credits-roles{display:flex;flex-direction:column;gap:.6rem;margin:1rem 0}
.credits-roles p{display:flex;flex-direction:column}
.credits-roles span{color:var(--muted);font-size:.78rem;letter-spacing:.2em;text-transform:uppercase}
.credits-roles b{color:#fff;font-size:1.15rem}
.thanks{color:var(--muted);font-style:italic}

/* ---------- setup ---------- */
.setup-panel{gap:1.1rem}
.case-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:1.2rem}
.case-head{display:flex;align-items:center;gap:1rem}
.case-avatar{width:54px;height:54px;border-radius:50%;background:var(--panel-2);display:grid;place-items:center;font-size:1.6rem;border:1px solid var(--line)}
.case-head h3{font-size:1.3rem;color:#fff}
.case-meta{color:var(--muted);font-size:.88rem;letter-spacing:.03em}
.reroll-btn{margin-left:auto;cursor:pointer;background:var(--panel-2);border:1px solid var(--line);color:var(--teal);padding:.5rem .9rem;border-radius:99px;font-size:.85rem;transition:.2s}
.reroll-btn:hover{border-color:var(--teal)}
.case-history{margin-top:.9rem;color:var(--text);font-size:.92rem;line-height:1.5;border-top:1px dashed var(--line);padding-top:.8rem}
.setup-label{color:var(--muted);letter-spacing:.22em;text-transform:uppercase;font-size:.78rem;margin-top:.4rem}
.proc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.8rem}
.proc-btn{cursor:pointer;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem;color:var(--text);transition:.2s}
.proc-btn .pb-icon{font-size:1.4rem}
.proc-btn .pb-name{display:block;font-weight:700;margin-top:.3rem}
.proc-btn .pb-sub{display:block;color:var(--muted);font-size:.78rem}
.proc-btn:hover{border-color:var(--teal-deep);transform:translateY(-2px)}
.proc-btn.active{border-color:var(--teal);background:linear-gradient(120deg,rgba(11,182,163,.18),var(--panel));box-shadow:0 0 18px rgba(39,224,200,.18)}
.diff-row{display:flex;gap:.8rem;flex-wrap:wrap}
.diff-btn{flex:1;min-width:140px;cursor:pointer;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:.8rem;color:var(--text);font-weight:700;transition:.2s;display:flex;flex-direction:column;gap:.2rem}
.diff-btn span{font-weight:400;color:var(--muted);font-size:.76rem}
.diff-btn:hover{border-color:var(--teal-deep)}
.diff-btn.active{border-color:var(--teal);background:linear-gradient(120deg,rgba(11,182,163,.18),var(--panel))}
.setup-actions{display:flex;gap:1rem;align-items:stretch;margin-top:.6rem}

/* ============================================================
   GAME SCREEN
   ============================================================ */
#game-screen{background:#04070c}
#scene{position:absolute;inset:0;width:100%;height:100%;display:block;cursor:none;z-index:1}

/* HUD */
.hud{position:absolute;top:0;left:0;right:0;z-index:10;display:flex;justify-content:space-between;align-items:flex-start;padding:14px 18px;
  background:linear-gradient(to bottom,rgba(4,8,13,.85),transparent);pointer-events:none}
.hud-left{display:flex;gap:14px;flex-wrap:wrap}
.hud-right{display:flex;gap:12px;align-items:center;pointer-events:auto}
.vital{background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:.5rem .8rem;min-width:120px;backdrop-filter:blur(8px)}
.v-label{display:block;color:var(--muted);font-size:.62rem;letter-spacing:.18em}
.v-val{display:block;font-family:'Oswald';font-size:1.25rem;color:#fff;line-height:1.1}
.v-val b{font-size:1.45rem;color:var(--teal)}
.mini-ecg{margin-top:2px}
#ecg-canvas{display:block;width:160px;height:34px}
.bar{width:120px;height:9px;border-radius:99px;background:#10202c;border:1px solid var(--line);overflow:hidden;margin-top:6px}
.bar-fill{height:100%;width:0;transition:width .25s}
.bar-fill.blood{background:linear-gradient(90deg,#8a0d18,var(--red));box-shadow:0 0 10px rgba(255,59,82,.5)}
.proc-timer{background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:.5rem .8rem;text-align:right;backdrop-filter:blur(8px)}
.score-chip{background:var(--glass);border:1px solid var(--line);border-radius:12px;padding:.6rem .9rem;font-size:.78rem;letter-spacing:.1em;color:var(--muted)}
.score-chip b{color:var(--teal);font-size:1.1rem;font-family:'Oswald';display:block}

/* objective */
.objective{position:absolute;top:120px;left:50%;transform:translateX(-50%);z-index:10;display:flex;align-items:center;gap:.8rem;
  background:var(--glass);border:1px solid var(--line);border-left:3px solid var(--teal);border-radius:12px;padding:.6rem 1.1rem;backdrop-filter:blur(10px);
  max-width:90vw;opacity:0;transition:opacity .4s,transform .4s;pointer-events:none}
.objective.show{opacity:1}
.obj-step{background:var(--teal);color:#04111a;font-weight:700;border-radius:7px;padding:.15rem .6rem;font-size:.8rem;letter-spacing:.04em}
.obj-text{font-size:1.02rem;color:#fff}
.obj-tool{color:var(--amber);font-size:.85rem;letter-spacing:.04em}

/* event alert */
.event-alert{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.9);z-index:20;display:none;flex-direction:column;gap:.6rem;align-items:center;
  background:rgba(40,4,8,.9);border:2px solid var(--red);border-radius:16px;padding:1.2rem 2rem;box-shadow:0 0 40px rgba(255,59,82,.5);text-align:center}
.event-alert.show{display:flex;animation:alertpulse .9s ease-in-out infinite}
.event-alert span{font-family:'Oswald';font-size:1.4rem;color:#fff;letter-spacing:.04em}
@keyframes alertpulse{0%,100%{box-shadow:0 0 30px rgba(255,59,82,.4)}50%{box-shadow:0 0 60px rgba(255,59,82,.9)}}
.event-timer{width:240px;height:8px;background:#3a0a10;border-radius:99px;overflow:hidden}
#event-timer-fill{height:100%;width:100%;background:var(--red);transition:width .1s linear}

/* toolbar */
.toolbar{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);z-index:10;display:flex;gap:10px;
  background:var(--glass);border:1px solid var(--line);border-radius:18px;padding:10px 12px;backdrop-filter:blur(12px);max-width:96vw;overflow-x:auto}
.tool{position:relative;width:74px;height:74px;border-radius:13px;cursor:pointer;background:radial-gradient(circle at 50% 35%,#15222f,#080f17);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:transform .15s,border-color .2s,box-shadow .2s;flex:0 0 auto}
.tool img{width:84%;height:84%;object-fit:contain;filter:drop-shadow(0 4px 6px rgba(0,0,0,.6))}
.tool .tool-key{position:absolute;top:4px;left:6px;font-size:.62rem;color:var(--muted)}
.tool:hover{transform:translateY(-6px);border-color:var(--teal-deep)}
.tool.active{border-color:var(--teal);box-shadow:0 0 18px rgba(39,224,200,.5);transform:translateY(-6px)}
.tool .tool-name{position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);font-size:.66rem;color:var(--muted);white-space:nowrap;opacity:0;transition:.2s}
.tool:hover .tool-name{opacity:1}
.tool.locked{opacity:.32;cursor:not-allowed}

.blood-toggle{position:absolute;bottom:22px;right:18px;z-index:10;cursor:pointer;background:var(--glass);border:1px solid var(--line);color:var(--text);
  border-radius:99px;padding:.55rem 1rem;font-size:.85rem;backdrop-filter:blur(8px);transition:.2s}
.blood-toggle:hover{border-color:var(--teal)}

/* overlays */
.overlay-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:2.2rem;min-width:340px;max-width:520px;
  display:flex;flex-direction:column;gap:.9rem;align-items:stretch;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.overlay-card h2{font-family:'Oswald';font-size:2rem;color:#fff}
.result-card .result-sub{color:var(--muted)}
.result-stats{display:flex;flex-direction:column;gap:.4rem;text-align:left;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:1rem}
.result-stats .rs-row{display:flex;justify-content:space-between;font-size:.92rem}
.result-stats .rs-row span{color:var(--muted)}
.result-stats .rs-row b{color:#fff}
.result-score{font-family:'Oswald';font-size:1.3rem;color:var(--muted);letter-spacing:.1em}
.result-score b{color:var(--teal);font-size:2rem;display:block}
.result-actions,.exit-card{display:flex;gap:.8rem}
.result-actions .menu-btn{flex:1;text-align:center}
.result-actions .menu-btn .mb-label{font-size:1rem}
.win h2{color:var(--green)}.lose h2{color:var(--red)}
.exit-card{flex-direction:column;align-items:center}
.exit-thanks{color:var(--teal)}
.overlay-card .logo-mark{margin:0 auto}

/* scrollbars */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#1c2c3e;border-radius:99px}
::-webkit-scrollbar-track{background:transparent}

/* small screens */
@media (max-width:760px){
  .vital{min-width:96px}
  .objective{top:150px}
  .tool{width:60px;height:60px}
}