:root{
  --bg:#0b0d10;
  --bg-2:#11141a;
  --panel:#161a22;
  --panel-2:#1d2230;
  --ink:#e8e3d3;
  --ink-dim:#a59f8e;
  --muted:#6b6557;
  --paper:#e6dcc0;
  --paper-ink:#1c1a14;
  --accent:#c1392b;
  --accent-2:#8a1e15;
  --gold:#c8a24b;
  --good:#5fa663;
  --warn:#d4a64a;
  --bad:#c0392b;
  --line:#2a2f3a;
  --string:#b03020;
  --font-ar:"Cairo","Tajawal",system-ui,sans-serif;
  --font-en:"Inter",system-ui,sans-serif;
  --font-display:"Playfair Display",Georgia,serif;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-ar);}
button{font-family:inherit}
.hidden{display:none!important}

/* ===== Boot ===== */
.boot{
  position:fixed;inset:0;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(1200px 600px at 50% 20%, rgba(193,57,43,.15), transparent 70%),
    radial-gradient(800px 600px at 80% 100%, rgba(200,162,75,.08), transparent 60%),
    linear-gradient(180deg,#06070a, #0b0d10);
  z-index:50;
}
.boot-inner{text-align:center;max-width:680px;padding:40px;animation:fade .8s ease}
.title{font-family:var(--font-display);font-size:42px;letter-spacing:.5px;margin:0 0 8px;color:var(--ink)}
.subtitle{color:var(--ink-dim);margin:0 0 24px}
.author{color:var(--gold);font-size:13px;letter-spacing:2px;text-transform:uppercase;margin-bottom:32px}
.boot-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:24px}
.hint{color:var(--muted);font-size:13px;font-style:italic}

/* ===== Buttons ===== */
.btn{
  background:var(--panel);color:var(--ink);border:1px solid var(--line);
  padding:10px 18px;border-radius:6px;cursor:pointer;font-size:14px;
  transition:.15s ease;
}
.btn:hover{border-color:var(--gold);color:var(--gold)}
.btn.primary{background:linear-gradient(180deg,var(--accent),var(--accent-2));border-color:transparent;color:#fff}
.btn.primary:hover{filter:brightness(1.1);color:#fff}
.btn.ghost{background:transparent}
.btn.small{padding:6px 10px;font-size:12px}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ===== App layout ===== */
.app{display:flex;flex-direction:column;height:100vh;background:var(--bg)}
.topbar{
  display:flex;align-items:center;gap:16px;padding:10px 18px;
  background:linear-gradient(180deg,#0e1117,#0a0c10);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:8px;font-family:var(--font-display);font-size:16px;color:var(--gold);min-width:0;flex-shrink:0}
.logo{font-size:22px}
.tabs{display:flex;gap:4px;flex:1;justify-content:center;flex-wrap:wrap}
.tab{
  background:transparent;color:var(--ink-dim);border:1px solid transparent;
  padding:8px 14px;border-radius:4px;cursor:pointer;font-size:13px;
}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--gold);border-color:var(--line);background:var(--panel)}
.top-actions{display:flex;gap:6px}
.view{flex:1;overflow:auto;padding:20px}
.statusbar{
  display:flex;gap:24px;padding:8px 18px;background:#08090c;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-dim);
}

/* ===== Toast ===== */
.toast{
  position:fixed;bottom:60px;left:50%;transform:translateX(-50%);
  background:var(--panel-2);border:1px solid var(--gold);color:var(--ink);
  padding:12px 20px;border-radius:6px;z-index:100;
  box-shadow:0 8px 30px rgba(0,0,0,.6);
  animation:slideUp .3s ease;
}

/* ===== Cases grid ===== */
.cases-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;max-width:1200px;margin:0 auto}
.case-card{
  background:var(--paper);color:var(--paper-ink);
  border-radius:4px;padding:18px;cursor:pointer;
  position:relative;overflow:hidden;
  box-shadow:0 6px 20px rgba(0,0,0,.5), inset 0 0 60px rgba(0,0,0,.08);
  transform:rotate(-.5deg);transition:.2s ease;
  font-family:var(--font-ar);
  border:1px solid #c9bd9a;
}
.case-card:nth-child(even){transform:rotate(.6deg)}
.case-card:hover{transform:rotate(0) translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.7)}
.case-card .stamp{
  position:absolute;top:14px;left:14px;
  border:2px solid var(--accent);color:var(--accent);
  font-weight:bold;padding:3px 10px;border-radius:4px;
  transform:rotate(-12deg);font-size:11px;letter-spacing:2px;opacity:.85;
}
.case-card .stamp.solved{border-color:var(--good);color:var(--good)}
.case-card .stamp.locked{border-color:#555;color:#555}
.case-card .case-id{font-size:11px;letter-spacing:3px;color:#7a6f55;margin-bottom:6px}
.case-card h3{margin:0 0 8px;font-family:var(--font-display);font-size:20px}
.case-card .meta{font-size:12px;color:#5d5440;margin-bottom:10px}
.case-card .desc{font-size:13px;line-height:1.5;color:#3a3528}
.case-card.active{outline:2px solid var(--gold)}

/* ===== Scene view ===== */
.scene{max-width:1100px;margin:0 auto}
.scene-head{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:18px}
.scene-head h2{margin:0;font-family:var(--font-display);color:var(--gold)}
.scene-head .meta{color:var(--ink-dim);font-size:13px}
.districts{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.district-btn{padding:8px 14px;background:var(--panel);border:1px solid var(--line);border-radius:4px;cursor:pointer;color:var(--ink-dim);font-size:13px}
.district-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.district-btn:hover{color:var(--ink)}

.scene-frame{
  background:#0a0c10;
  border:1px solid var(--line);border-radius:6px;
  padding:22px;min-height:280px;
  position:relative;overflow:hidden;
}
.scene-frame::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at var(--mx,50%) var(--my,50%), rgba(255,235,180,.12), transparent 220px);
  pointer-events:none;transition:.1s;
}
.scene-narration{font-style:italic;color:var(--ink-dim);line-height:1.7;margin-bottom:18px;white-space:pre-wrap}
.scene-actions{display:flex;flex-wrap:wrap;gap:8px}
.scene-action{
  padding:10px 14px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:4px;cursor:pointer;color:var(--ink);font-size:13px;text-align:start;
}
.scene-action:hover{border-color:var(--gold);color:var(--gold)}
.scene-action.found{opacity:.5;text-decoration:line-through}

/* ===== Suspects ===== */
.suspects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;max-width:1200px;margin:0 auto}
.suspect-card{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:16px;cursor:pointer;transition:.15s}
.suspect-card:hover{border-color:var(--gold)}
.suspect-card .avatar{
  width:60px;height:60px;border-radius:50%;background:var(--panel-2);
  display:flex;align-items:center;justify-content:center;font-size:30px;
  margin-bottom:10px;border:2px solid var(--line);
}
.suspect-card h4{margin:0 0 4px;color:var(--gold)}
.suspect-card .role{font-size:12px;color:var(--ink-dim);margin-bottom:8px}
.mood{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;margin-top:6px}
.mood.calm{background:rgba(95,166,99,.15);color:var(--good)}
.mood.nervous{background:rgba(212,166,74,.18);color:var(--warn)}
.mood.lying{background:rgba(192,57,43,.18);color:var(--bad)}
.mood.hostile{background:rgba(192,57,43,.25);color:var(--bad)}
.mood.unknown{background:#2a2f3a;color:var(--ink-dim)}

/* ===== Dialogue ===== */
.dialogue-overlay{position:fixed;inset:0;background:rgba(0,0,0,.85);z-index:60;display:flex;align-items:center;justify-content:center;padding:20px}
.dialogue-box{
  max-width:720px;width:100%;background:var(--panel);
  border:1px solid var(--gold);border-radius:8px;
  box-shadow:0 20px 60px rgba(0,0,0,.8);
  display:flex;flex-direction:column;max-height:80vh;
}
.dialogue-head{display:flex;align-items:center;gap:12px;padding:16px;border-bottom:1px solid var(--line)}
.dialogue-head .avatar{width:50px;height:50px;border-radius:50%;background:var(--panel-2);display:flex;align-items:center;justify-content:center;font-size:24px;border:2px solid var(--gold)}
.dialogue-head h4{margin:0;color:var(--gold)}
.dialogue-head .role{font-size:12px;color:var(--ink-dim)}
.dialogue-body{padding:18px;overflow-y:auto;flex:1}
.dialogue-line{margin-bottom:12px;line-height:1.7}
.dialogue-line.npc{color:var(--ink)}
.dialogue-line.me{color:var(--ink-dim);font-style:italic}
.dialogue-line .who{color:var(--gold);margin-inline-end:6px;font-weight:600}
.dialogue-options{padding:14px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.dlg-opt{
  padding:10px 14px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:4px;cursor:pointer;color:var(--ink);font-size:13px;text-align:start;
}
.dlg-opt:hover{border-color:var(--gold);color:var(--gold)}
.dlg-opt.evidence{border-color:var(--accent)}
.dlg-close{background:transparent;border:none;color:var(--ink-dim);cursor:pointer;font-size:20px;margin-inline-start:auto;padding:8px}

/* ===== Evidence ===== */
.evidence-layout{display:grid;grid-template-columns:300px 1fr;gap:18px;max-width:1200px;margin:0 auto}
.evidence-list{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:12px;max-height:75vh;overflow-y:auto}
.ev-item{padding:10px;border-radius:4px;cursor:pointer;border:1px solid transparent;margin-bottom:4px;font-size:13px}
.ev-item:hover{background:var(--panel-2)}
.ev-item.active{background:var(--panel-2);border-color:var(--gold);color:var(--gold)}
.ev-item .ev-type{font-size:10px;color:var(--ink-dim);text-transform:uppercase;letter-spacing:1px;display:block}
.ev-item.fake::after{content:" ⚠";color:var(--warn)}
.evidence-detail{background:var(--paper);color:var(--paper-ink);border-radius:6px;padding:24px;min-height:300px;font-family:var(--font-ar);box-shadow:inset 0 0 80px rgba(0,0,0,.08)}
.evidence-detail h3{margin:0 0 6px;font-family:var(--font-display)}
.evidence-detail .ev-source{color:#6b5d40;font-size:12px;margin-bottom:14px;border-bottom:1px dashed #b9ad88;padding-bottom:8px}
.evidence-detail .ev-content{line-height:1.7;white-space:pre-wrap}
.evidence-detail .ev-tag{display:inline-block;padding:2px 10px;border-radius:12px;background:#d4c89a;font-size:11px;margin-inline-end:6px;margin-bottom:8px}
.contradicts{color:var(--accent);font-weight:600;margin-top:14px}
.supports{color:var(--good);font-weight:600;margin-top:14px}

/* ===== Detective Board ===== */
.board-wrap{position:relative;width:100%;height:75vh;background:
  repeating-linear-gradient(45deg,#1a1410,#1a1410 20px,#1d1812 20px,#1d1812 40px);
  border:8px solid #3a2820;border-radius:8px;overflow:hidden;box-shadow:inset 0 0 80px rgba(0,0,0,.8)}
.board-svg{position:absolute;inset:0;pointer-events:none}
.board-node{
  position:absolute;background:var(--paper);color:var(--paper-ink);
  padding:8px 12px;border-radius:3px;font-size:12px;cursor:grab;
  box-shadow:0 4px 12px rgba(0,0,0,.6);
  font-family:var(--font-ar);min-width:120px;text-align:center;
  border:1px solid #b8ac88;user-select:none;
}
.board-node::before{
  content:"📍";position:absolute;top:-10px;left:50%;transform:translateX(-50%);
  font-size:14px;
}
.board-node.suspect{background:#f0d8c0}
.board-node.evidence{background:#e6dcc0}
.board-node.case{background:#c0d4e6}
.board-node.location{background:#d0e0c0}
.board-node:hover{outline:2px solid var(--gold)}
.board-toolbar{padding:10px;background:var(--panel);border-bottom:1px solid var(--line);display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.board-help{color:var(--ink-dim);font-size:12px;margin-inline-start:auto}

/* ===== Accuse ===== */
.accuse{max-width:760px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:24px}
.accuse h2{font-family:var(--font-display);color:var(--accent);margin-top:0}
.accuse-warning{background:rgba(192,57,43,.1);border:1px solid var(--accent);padding:12px;border-radius:4px;color:#e8b8b0;margin-bottom:18px;font-size:13px}
.accuse-row{margin-bottom:14px}
.accuse-row label{display:block;font-size:13px;color:var(--ink-dim);margin-bottom:6px}
.accuse-row select{
  width:100%;padding:10px;background:var(--panel-2);border:1px solid var(--line);
  color:var(--ink);border-radius:4px;font-family:inherit;
}
.verdict{margin-top:20px;padding:20px;border-radius:6px;font-size:15px;line-height:1.7}
.verdict.solved{background:rgba(95,166,99,.15);border:1px solid var(--good);color:#cfe8d0}
.verdict.failed{background:rgba(192,57,43,.15);border:1px solid var(--accent);color:#f0c8c0}
.verdict h3{margin-top:0;font-family:var(--font-display)}

/* ===== Animations ===== */
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes slideUp{from{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%,0)}}
.fade-in{animation:fade .25s ease}

/* English direction */
html[lang="en"]{direction:ltr;font-family:var(--font-en)}
html[lang="en"] .case-card{font-family:var(--font-en)}

/* Responsive */
@media (max-width:780px){
  .tabs{display:none}
  .evidence-layout{grid-template-columns:1fr}
  .topbar{flex-wrap:wrap}
  .scene-head{flex-direction:column;align-items:flex-start;gap:6px}
}

/* ===== Challenge mode UI ===== */
#btn-challenge.active{background:rgba(232,107,69,.18);border-color:var(--accent);color:#ffd2c2}
.accuse-gates{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 14px}
.accuse-gates .gate{font-size:12px;padding:6px 10px;border-radius:6px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.accuse-gates .gate.ok{color:#cfe8d0;border-color:var(--good);background:rgba(95,166,99,.12)}
.accuse-gates .gate.bad{color:#f0c8c0;border-color:var(--accent);background:rgba(192,57,43,.12)}
.ev-checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:6px;max-height:260px;overflow:auto;padding:8px;border:1px dashed var(--line);border-radius:8px;background:rgba(0,0,0,.15)}
.ev-check{display:flex;gap:8px;align-items:flex-start;font-size:13px;padding:6px 8px;border-radius:6px;cursor:pointer;background:rgba(255,255,255,.02);border:1px solid transparent}
.ev-check:hover{background:rgba(255,255,255,.05);border-color:var(--line)}
.ev-check.fake{color:#e8b04a}
.ev-check input{margin-top:2px;accent-color:var(--gold)}
.muted{color:var(--ink-dim);font-size:13px;padding:8px}
.btn.primary:disabled{opacity:.45;cursor:not-allowed}