/* ============================================================
   ملف مجهول — غرفة التحقيق الرقمي
   كحلي · سماوي · ثلجي
   ============================================================ */

:root{
  --ink:#0B1B33;
  --ink2:#0F2545;
  --boardbg:#14304F;
  --deep:#143055;
  --grid:#173A63;
  --ice:#F4F8FF;
  --ice2:#E4EEFB;
  --sky:#7FB6E8;
  --sky2:#DFF3FF;
  --mist:#9FB2C9;
  --snow:#E6EEF9;
  --fact:#DFF3FF;
  --likely:#7FB6E8;
  --unknown:#9FB2C9;
  --ok:#7FE3B8;
  --no:#F19A9A;
  --r:14px;
  --shadow:0 24px 44px -30px rgba(0,0,0,.95);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  min-height:100dvh;
  background-color:#0B1B33;
  background-image:
    radial-gradient(900px 620px at 88% -10%, rgba(127,182,232,.22), transparent 62%),
    radial-gradient(760px 560px at 4% 108%, rgba(23,58,99,.6), transparent 62%),
    linear-gradient(180deg,#0B1B33 0%, #0A1729 58%, #08121F 100%);
  background-attachment:fixed;
  color:var(--snow);
  font-family:'IBM Plex Sans Arabic',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:'';
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(to right, rgba(23,58,99,.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(23,58,99,.55) 1px, transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:radial-gradient(130% 100% at 50% 0,#000 38%,transparent 100%);
  mask-image:radial-gradient(130% 100% at 50% 0,#000 38%,transparent 100%);
  opacity:.55;
}
body::after{
  content:'';
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  opacity:.05;
  mix-blend-mode:soft-light;
}
#snow{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:3;opacity:.75}

h1,h2,h3,h4{font-family:'Noto Kufi Arabic','IBM Plex Sans Arabic',system-ui,sans-serif;margin:0;line-height:1.45;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{max-width:100%;display:block}
.hidden{display:none !important}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:isolate;display:inline-block}
:focus-visible{outline:2px solid var(--sky);outline-offset:3px}

/* ---------- layout ---------- */
.app{
  position:relative;z-index:2;
  max-width:1300px;
  margin:0 auto;
  padding:14px 14px 40px;
}

/* ---------- topbar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  flex-wrap:wrap;
  padding:10px 12px;
  border:1px solid rgba(127,182,232,.22);
  border-radius:18px;
  background:linear-gradient(180deg,rgba(20,48,85,.72),rgba(11,27,51,.72));
  backdrop-filter:blur(6px);
  box-shadow:var(--shadow);
  margin-bottom:16px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.stamp-big{
  width:52px;height:52px;flex:0 0 52px;border-radius:50%;
  border:2px solid var(--sky);
  display:grid;place-items:center;
  transform:rotate(-8deg);
  color:var(--sky);
  font-family:'Noto Kufi Arabic',sans-serif;
  font-size:10px;font-weight:800;line-height:1.15;text-align:center;
  box-shadow:0 0 0 3px rgba(127,182,232,.12) inset, 0 0 22px rgba(127,182,232,.22);
}
.brand-txt h1{font-size:20px;letter-spacing:0}
.brand-sub{font-size:12px;color:var(--mist);margin-top:1px}
.brand-sub .mono{color:var(--sky);font-size:11.5px}
.hud{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hud-chip{
  display:flex;align-items:center;gap:7px;
  padding:6px 10px;border-radius:11px;
  background:rgba(23,58,99,.6);
  border:1px solid rgba(127,182,232,.2);
  color:var(--sky2);
  font-size:12px;
}
.hud-k{color:var(--mist);font-size:11.5px}
.hud-v{font-size:13px;color:var(--sky2);font-weight:500}
.hud-score{background:linear-gradient(180deg,rgba(127,182,232,.22),rgba(23,58,99,.7))}
.hud-score .hud-v{color:#fff;font-size:15px}

/* ---------- desk ---------- */
.desk{display:flex;flex-direction:column;gap:16px}
.rail{order:1;display:flex;gap:8px;position:sticky;top:8px;z-index:20}
.casefile{order:2;display:flex;flex-direction:column;gap:12px}
.workspace{order:3;min-width:0}

/* ---------- rail ---------- */
.rail-btn{
  position:relative;
  flex:1;
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:8px 10px;
  border-radius:12px;
  border:1px solid rgba(127,182,232,.22);
  background:linear-gradient(180deg,rgba(20,48,85,.92),rgba(15,37,69,.92));
  color:var(--mist);
  font-size:13px;font-weight:600;
  transition:transform .14s ease, background .18s ease, color .18s ease, box-shadow .18s ease;
}
.rail-btn svg{width:19px;height:19px;flex:0 0 19px}
.rail-btn.is-active{
  color:#0B1B33;
  background:linear-gradient(180deg,#FFFFFF,#DFF3FF);
  border-color:#fff;
  box-shadow:0 10px 22px -14px #7FB6E8, 0 0 0 1px rgba(255,255,255,.4) inset;
}
.rail-btn:active{transform:translateY(1px)}
.rail-btn.is-locked{opacity:.66}
.lock-dot{display:none;width:7px;height:7px;border-radius:50%;background:var(--sky);flex:0 0 7px}
.rail-btn.is-locked .lock-dot{display:block}
.rail-btn.shake{animation:shake .32s ease}
@keyframes shake{
  0%,100%{transform:translateX(0)}
  25%{transform:translateX(-5px)}
  60%{transform:translateX(4px)}
}

/* ---------- paper / case file ---------- */
.paper{
  position:relative;
  background:#F4F8FF;
  color:#0B1B33;
  border-radius:var(--r);
  border:1px solid #cfe1f6;
  padding:14px;
  box-shadow:0 26px 46px -28px rgba(0,0,0,.9), 0 0 0 1px rgba(255,255,255,.6) inset;
  overflow:hidden;
}
.paper::before{
  content:'';
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(180deg, rgba(23,58,99,.055) 0 1px, transparent 1px 26px);
  pointer-events:none;
}
.paper-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px;position:relative}
.paper-tag{
  font-size:10.5px;font-weight:600;letter-spacing:0;
  color:#143055;background:#DFF3FF;
  border:1px solid #b9d9f4;border-radius:999px;padding:3px 9px;
}
.clock{font-size:12px;color:#2c4a70;background:#e8f1fd;border-radius:8px;padding:2px 8px;border:1px solid #cfe1f6}
.subject{display:flex;gap:12px;align-items:center;position:relative}
.avatar{width:74px;height:74px;flex:0 0 74px;border-radius:50%;overflow:hidden;position:relative}
.avatar svg,.avatar img{width:100%;height:100%;display:block}
.subject-txt h2{font-size:17px;color:#0B1B33}
.subject-job{font-size:12.5px;color:#3c5a80;margin-top:1px}
.subject-handle{font-size:11.5px;color:#6b86a8;margin-top:2px}
.subject-note{font-size:12px;color:#4a688c;margin-top:10px;line-height:1.75;position:relative}
.unknowns{margin-top:12px;display:flex;flex-direction:column;gap:7px;position:relative}
.unk{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:7px 10px;border-radius:10px;
  background:#eef5ff;border:1px dashed #b9d2ee;
  font-size:12.5px;
}
.unk.is-filled{background:#E7F4FF;border-style:solid;border-color:#9dc7ec}
.unk-k{color:#40618a;font-weight:600}
.unk-v{font-weight:600;color:#143055;font-size:13px}
.unk-v.muted{color:#93a9c2;font-weight:500;letter-spacing:0}
.unk-basis{
  font-size:10px;padding:1px 7px;border-radius:999px;border:1px solid #b9d9f4;background:#DFF3FF;color:#143055;font-weight:600;
}
.paper-hint{font-size:11px;color:#7b91ab;margin-top:10px;position:relative}
.stamp-mini{
  position:absolute;left:10px;bottom:8px;
  transform:rotate(-8deg);
  border:2px solid rgba(20,48,85,.28);
  color:rgba(20,48,85,.34);
  border-radius:8px;
  font-family:'Noto Kufi Arabic',sans-serif;font-size:9.5px;font-weight:800;
  padding:3px 7px;letter-spacing:.02em;
  pointer-events:none;
}

/* ---------- studio ---------- */
.studio{
  border:1px solid rgba(127,182,232,.2);
  border-radius:var(--r);
  background:linear-gradient(180deg,rgba(20,48,85,.65),rgba(11,27,51,.65));
  overflow:hidden;
}
.studio-toggle{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 12px;font-size:12.5px;font-weight:600;color:var(--sky2);
  min-height:46px;
}
.chev{width:9px;height:9px;border-right:2px solid var(--sky);border-bottom:2px solid var(--sky);transform:rotate(45deg);transition:transform .2s ease;margin-top:-3px}
.studio-toggle[aria-expanded="true"] .chev{transform:rotate(-135deg);margin-top:2px}
.studio-body{padding:0 12px 12px}
.studio-note{font-size:11.5px;color:var(--mist);line-height:1.7;margin-bottom:10px}
.srow{display:flex;align-items:center;gap:10px;padding:8px 0;border-top:1px dashed rgba(127,182,232,.18)}
.srow-thumb{width:44px;height:44px;flex:0 0 44px;border-radius:10px;overflow:hidden;background:#0F2545;border:1px solid rgba(127,182,232,.25);display:grid;place-items:center;color:var(--sky)}
.srow-thumb svg{width:26px;height:26px}
.srow-main{flex:1;min-width:0;display:flex;flex-direction:column}
.srow-main b{font-size:12.5px;color:var(--snow);font-weight:600}
.srow-main span{font-size:10.5px;color:var(--mist);line-height:1.5}
.srow-btn{
  flex:0 0 auto;min-height:38px;padding:6px 10px;border-radius:9px;font-size:11.5px;font-weight:600;
  border:1px solid rgba(127,182,232,.4);background:rgba(127,182,232,.14);color:var(--sky2);
  transition:background .15s ease,transform .12s ease;
}
.srow-btn:active{transform:translateY(1px)}
.srow-btn[disabled]{opacity:.45;cursor:not-allowed}
.srow-btn.is-go{background:linear-gradient(180deg,#9fd0f5,#7FB6E8);color:#08203c;border-color:#c9e6ff}
.studio-msg{font-size:11px;color:var(--mist);margin-top:8px;line-height:1.6;min-height:0}
.studio-msg.is-err{color:#F3B4B4}
.studio-msg a{color:var(--sky);text-decoration:underline}
.studio-msg button{color:var(--sky);text-decoration:underline;font-size:11px}

/* ---------- workspace / views ---------- */
.workspace{min-width:0}
.view-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}
.view-head h2{font-size:17px}
.view-head p{font-size:12.5px;color:var(--mist);margin-top:2px}
.view-badge{
  flex:0 0 auto;
  font-size:12px;padding:5px 11px;border-radius:999px;
  background:rgba(127,182,232,.14);border:1px solid rgba(127,182,232,.35);color:var(--sky2);
}

/* legend */
.legend{display:grid;grid-template-columns:1fr;gap:8px;margin-bottom:12px}
.lg{
  border-radius:11px;padding:9px 11px;
  border:1px solid rgba(127,182,232,.28);
  background:rgba(15,37,69,.72);
  font-size:11.5px;color:#c6d8ec;line-height:1.65;
}
.lg-h{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:2px}
.lg-h b{font-size:12.5px;font-weight:700}
.lg-h i{font-style:normal;font-size:11px;padding:0 7px;border-radius:999px;line-height:1.6}
.lg-fact .lg-h b{color:#DFF3FF}
.lg-fact .lg-h i{background:rgba(223,243,255,.16);color:#DFF3FF;border:1px solid rgba(223,243,255,.35)}
.lg-fact{border-color:rgba(223,243,255,.28)}
.lg-likely .lg-h b{color:#7FB6E8}
.lg-likely .lg-h i{background:rgba(127,182,232,.16);color:#9fd0f5;border:1px solid rgba(127,182,232,.38)}
.lg-unknown .lg-h b{color:#9FB2C9}
.lg-unknown .lg-h i{background:rgba(159,178,201,.14);color:#b9c8d9;border:1px solid rgba(159,178,201,.32)}

/* meter */
.meter{margin-bottom:14px}
.meter-bar{height:8px;border-radius:999px;background:rgba(23,58,99,.9);border:1px solid rgba(127,182,232,.22);overflow:hidden}
.meter-bar i{display:block;height:100%;width:0%;border-radius:999px;background:linear-gradient(90deg,#7FB6E8,#DFF3FF);transition:width .45s cubic-bezier(.22,.9,.24,1)}
.meter-meta{display:flex;justify-content:space-between;align-items:center;font-size:11.5px;color:var(--mist);margin-top:5px}

/* ---------- evidence board ---------- */
.board{
  display:grid;grid-template-columns:1fr;gap:12px;
  padding:12px;
  border-radius:16px;
  background:
    radial-gradient(120% 90% at 80% 0%, rgba(127,182,232,.12), transparent 60%),
    linear-gradient(180deg,#14304F,#102641);
  border:1px solid rgba(127,182,232,.22);
  box-shadow:0 30px 50px -34px #000, 0 0 0 1px rgba(127,182,232,.08) inset;
  position:relative;
}
.board::before{
  content:'';
  position:absolute;inset:0;border-radius:16px;pointer-events:none;
  background-image:radial-gradient(circle at 6px 6px, rgba(127,182,232,.4) 1.4px, transparent 1.6px);
  background-size:38px 38px;
  opacity:.35;
  -webkit-mask-image:radial-gradient(120% 120% at 50% 50%, #000 40%, transparent 100%);
  mask-image:radial-gradient(120% 120% at 50% 50%, #000 40%, transparent 100%);
}

.ecard{position:relative;height:382px;perspective:1500px;z-index:1}
.ecard-inner{
  position:relative;width:100%;height:100%;
  transform-style:preserve-3d;
  transition:transform .55s cubic-bezier(.22,.9,.24,1);
}
.ecard.flipped .ecard-inner{transform:rotateY(180deg)}
.ecard-face{
  position:absolute;inset:0;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:13px;
  background:#F4F8FF;color:#0B1B33;
  border:2px solid #7FB6E8;
  box-shadow:0 20px 34px -26px rgba(0,0,0,.95), 0 0 0 1px rgba(255,255,255,.55) inset;
  padding:13px;
  display:flex;flex-direction:column;gap:9px;
  overflow:auto;
  -webkit-overflow-scrolling:touch;
}
.ecard-back{transform:rotateY(180deg)}
.ecard-top{display:flex;align-items:center;justify-content:space-between;gap:8px}
.kind{
  font-size:10.5px;font-weight:700;color:#143055;
  background:#DFF3FF;border:1px solid #b6d7f3;border-radius:999px;padding:2px 9px;
}
.pin{
  width:11px;height:11px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%, #ffffff, #9FB2C9 55%, #6d7f95);
  box-shadow:0 2px 4px rgba(0,0,0,.35);
  flex:0 0 11px;
}
.ecard-art{display:grid;place-items:center;color:#2f5b8a;opacity:.9}
.ecard-art svg{width:100%;max-width:120px;height:auto}
.ecard-title{font-size:14.5px;line-height:1.5;color:#0B1B33}
.ecard-teaser{font-size:12.5px;color:#4a688c;line-height:1.7;flex:1}
.btn-flip{
  align-self:flex-start;
  min-height:40px;padding:7px 14px;border-radius:10px;
  background:linear-gradient(180deg,#143055,#0d2340);color:#DFF3FF;
  font-size:12.5px;font-weight:600;
  border:1px solid #143055;
  transition:transform .12s ease, filter .18s ease;
}
.btn-flip:active{transform:translateY(1px)}
.btn-flip:hover{filter:brightness(1.15)}
.btn-unflip{
  min-height:34px;padding:4px 11px;border-radius:9px;
  background:#e8f1fd;border:1px solid #c3dbf2;color:#143055;
  font-size:11.5px;font-weight:600;
}
.ecard-detail{font-size:12.5px;line-height:1.85;color:#22415f;flex:1}
.classify{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.classify button{
  min-height:44px;padding:5px 3px;border-radius:9px;
  font-size:11.5px;font-weight:600;line-height:1.25;
  border:1px solid #b9d2ee;background:#eef5ff;color:#1c3f66;
  transition:transform .12s ease,background .15s ease,border-color .15s ease;
}
.classify button:active{transform:translateY(1px)}
.classify button:hover:not([disabled]){background:#e0eefd;border-color:#8fbde6}
.classify button[data-c="fact"]:hover:not([disabled]){background:#DFF3FF}
.classify button[disabled]{cursor:default;opacity:.85}
.classify button.is-picked[data-c="fact"]{background:#DFF3FF;border-color:#7FB6E8;color:#0B1B33;box-shadow:0 0 0 2px rgba(127,182,232,.35)}
.classify button.is-picked[data-c="likely"]{background:#7FB6E8;border-color:#5d9dd6;color:#08203c;box-shadow:0 0 0 2px rgba(127,182,232,.35)}
.classify button.is-picked[data-c="unknown"]{background:#9FB2C9;border-color:#8296ad;color:#0B1B33;box-shadow:0 0 0 2px rgba(159,178,201,.35)}
.classify button.is-truth{outline:2px solid #37b98c;outline-offset:1px}
.ecard-verdict{font-size:11.5px;line-height:1.7;border-radius:9px;padding:7px 9px}
.ecard-verdict.ok{background:#e6f8f1;color:#1d6a52;border:1px solid #b3e6d1}
.ecard-verdict.no{background:#fdeeee;color:#8d3a3a;border:1px solid #f3cccc}
.ecard-stamp{
  position:absolute;left:10px;bottom:52px;
  transform:rotate(-8deg);
  font-family:'Noto Kufi Arabic',sans-serif;font-size:10.5px;font-weight:800;
  padding:3px 9px;border-radius:7px;border:2px solid currentColor;
  opacity:.85;pointer-events:none;
}
.ecard-stamp.t-fact{color:#2c7a63;background:rgba(223,243,255,.9)}
.ecard-stamp.t-likely{color:#1f5e94;background:rgba(223,243,255,.9)}
.ecard-stamp.t-unknown{color:#4b5f78;background:rgba(238,245,255,.9)}

.board-footer{margin-top:12px;display:flex;justify-content:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:10px 18px;border-radius:12px;
  font-size:14px;font-weight:600;
  border:1px solid rgba(127,182,232,.4);
  background:rgba(127,182,232,.12);color:var(--sky2);
  transition:transform .12s ease,filter .18s ease,background .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn:hover{filter:brightness(1.12)}
.btn-primary{
  background:linear-gradient(180deg,#9fd0f5,#7FB6E8);
  color:#07203a;border-color:#c9e6ff;
  box-shadow:0 14px 26px -16px rgba(127,182,232,.9);
}
.btn-ghost{background:rgba(127,182,232,.08)}
.btn[disabled]{opacity:.5;cursor:not-allowed;filter:none}

/* ---------- questions ---------- */
.qcard{
  border-radius:14px;
  border:1px solid rgba(127,182,232,.24);
  background:linear-gradient(180deg,rgba(20,48,85,.7),rgba(13,32,58,.7));
  padding:14px;
  margin-bottom:12px;
}
.qhead{display:flex;align-items:flex-start;gap:10px;margin-bottom:8px}
.qnum{
  flex:0 0 auto;font-size:11px;color:#08203c;background:var(--sky);
  border-radius:7px;padding:1px 7px;line-height:1.7;font-weight:500;
}
.qhead h3{font-size:14.5px;color:var(--snow);line-height:1.6}
.qsub{font-size:11.5px;color:var(--mist);margin-bottom:8px}
.options{display:flex;flex-direction:column;gap:7px}
.opt{
  display:flex;align-items:center;gap:10px;
  min-height:50px;padding:9px 12px;border-radius:11px;
  border:1px solid rgba(127,182,232,.24);
  background:rgba(11,27,51,.6);
  color:var(--snow);text-align:start;
  font-size:13.5px;line-height:1.6;
  transition:background .15s ease,border-color .15s ease,transform .12s ease;
}
.opt:hover:not([disabled]){background:rgba(127,182,232,.16);border-color:rgba(127,182,232,.5)}
.opt:active:not([disabled]){transform:translateY(1px)}
.opt[disabled]{cursor:default}
.opt-key{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  background:rgba(127,182,232,.16);color:var(--sky2);
  font-size:12px;font-weight:700;
}
.opt-txt{flex:1;min-width:0}
.opt-mark{flex:0 0 auto;width:18px;text-align:center;font-size:14px;font-weight:700}
.opt.is-correct{background:rgba(55,185,140,.16);border-color:rgba(55,185,140,.6)}
.opt.is-correct .opt-mark::after{content:'✓';color:#8FE3C0}
.opt.is-correct .opt-key{background:rgba(55,185,140,.3);color:#c9f7e5}
.opt.is-wrong{background:rgba(241,154,154,.14);border-color:rgba(241,154,154,.55)}
.opt.is-wrong .opt-mark::after{content:'✕';color:#F19A9A}
.opt.is-chosen{box-shadow:0 0 0 2px rgba(127,182,232,.3) inset}

.qfb{margin-top:11px;border-radius:11px;padding:10px 12px;font-size:12.5px;line-height:1.75}
.qfb.ok{background:rgba(55,185,140,.12);border:1px solid rgba(55,185,140,.38);color:#d6f6ea}
.qfb.no{background:rgba(241,154,154,.1);border:1px solid rgba(241,154,154,.34);color:#ffdede}
.qfb-title{font-weight:700;margin-bottom:3px}
.qfb-correct{margin-top:6px;color:#ffeaea}
.qfb b{color:#fff}

.qbasis{margin-top:9px;border-top:1px dashed rgba(127,182,232,.24);padding-top:9px}
.qbasis-q{font-size:12px;color:var(--mist);margin-bottom:7px}
.qbasis-opts{display:flex;gap:7px;flex-wrap:wrap}
.qbasis-opts button{
  min-height:44px;padding:8px 14px;border-radius:10px;
  border:1px solid rgba(127,182,232,.32);background:rgba(127,182,232,.1);color:var(--sky2);
  font-size:12.5px;font-weight:600;
}
.qbasis-opts button:hover:not([disabled]){background:rgba(127,182,232,.22)}
.qbasis-opts button.is-correct{background:rgba(55,185,140,.22);border-color:#37b98c;color:#d6f6ea}
.qbasis-opts button.is-wrong{background:rgba(241,154,154,.18);border-color:#b96a6a;color:#ffdede}
.qbasis-opts button[disabled]{cursor:default}
.qbasis-note{margin-top:8px;font-size:12px;line-height:1.75;border-radius:9px;padding:7px 10px}
.qbasis-note.ok{background:rgba(55,185,140,.12);color:#d6f6ea}
.qbasis-note.no{background:rgba(241,154,154,.1);color:#ffdede}

/* ---------- locked state ---------- */
.locked{
  text-align:center;padding:34px 18px;border-radius:16px;
  border:1px dashed rgba(127,182,232,.35);
  background:rgba(15,37,69,.55);
}
.locked svg{width:38px;height:38px;color:var(--sky);margin-bottom:10px}
.locked h3{font-size:16px;color:var(--snow);margin-bottom:6px}
.locked p{font-size:12.5px;color:var(--mist);max-width:420px;margin:0 auto 14px}

/* ---------- report ---------- */
.report{display:flex;flex-direction:column;gap:14px}
.score-hero{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px;border-radius:16px;
  background:linear-gradient(180deg,rgba(20,48,85,.85),rgba(11,27,51,.85));
  border:1px solid rgba(127,182,232,.28);
  box-shadow:var(--shadow);
}
.ring-wrap{position:relative;width:118px;height:118px;flex:0 0 118px}
.ring-wrap svg{width:118px;height:118px}
.ring-num{
  position:absolute;inset:0;display:grid;place-items:center;
  font-family:'IBM Plex Mono',monospace;font-size:28px;font-weight:500;color:#fff;
}
.hero-txt{flex:1;min-width:180px}
.kicker{font-size:11px;letter-spacing:.08em;color:var(--sky);text-transform:none}
.hero-txt h2{font-size:19px;margin-top:3px;color:#fff}
.hero-txt p{font-size:12.5px;color:var(--mist);margin-top:4px;line-height:1.75}

.breakdown{display:grid;grid-template-columns:1fr;gap:9px}
.brow{
  display:grid;grid-template-columns:1fr auto;gap:6px 10px;align-items:center;
  padding:11px 13px;border-radius:12px;
  background:rgba(15,37,69,.7);border:1px solid rgba(127,182,232,.2);
}
.brow b{font-size:12.5px;color:var(--snow);font-weight:600}
.brow span{font-size:12px;color:var(--sky2);font-family:'IBM Plex Mono',monospace}
.bbar{grid-column:1/-1;height:7px;border-radius:999px;background:rgba(23,58,99,.9);overflow:hidden}
.bbar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#7FB6E8,#DFF3FF);width:0;transition:width .7s cubic-bezier(.22,.9,.24,1)}

.vcols{display:grid;grid-template-columns:1fr;gap:10px}
.vcol{border-radius:13px;padding:12px 13px;border:1px solid}
.vcol h3{font-size:13.5px;margin-bottom:7px;display:flex;align-items:center;gap:7px}
.vcol-fact{background:rgba(223,243,255,.07);border-color:rgba(223,243,255,.32)}
.vcol-fact h3{color:#DFF3FF}
.vcol-likely{background:rgba(127,182,232,.09);border-color:rgba(127,182,232,.4)}
.vcol-likely h3{color:#9fd0f5}
.vcol-unknown{background:rgba(159,178,201,.08);border-color:rgba(159,178,201,.32)}
.vcol-unknown h3{color:#b9c8d9}
.vcol ul li{font-size:12px;color:#c6d8ec;line-height:1.75;padding:5px 0;border-bottom:1px dashed rgba(127,182,232,.18)}
.vcol ul li:last-child{border-bottom:0}
.vcol .empty{font-size:12px;color:var(--mist)}

.id-summary{
  border-radius:13px;padding:13px;
  background:#F4F8FF;color:#0B1B33;border:1px solid #cfe1f6;
}
.id-summary h3{font-size:13.5px;margin-bottom:8px;color:#143055}
.id-summary .row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.5px;padding:6px 0;border-bottom:1px dashed #cfe1f6}
.id-summary .row:last-child{border-bottom:0}
.id-summary .row b{font-weight:600;color:#143055}
.id-summary .row .mono{color:#2c4a70}
.id-summary .muted{color:#93a9c2}

.privacy{
  border-radius:13px;padding:13px;
  background:linear-gradient(180deg,rgba(127,182,232,.12),rgba(15,37,69,.7));
  border:1px solid rgba(127,182,232,.3);
}
.privacy h3{font-size:13.5px;color:#DFF3FF;margin-bottom:8px}
.privacy ol{counter-reset:p;display:flex;flex-direction:column;gap:8px}
.privacy ol li{
  counter-increment:p;position:relative;
  padding-inline-start:30px;font-size:12.5px;color:#cfe0f2;line-height:1.8;
}
.privacy ol li::before{
  content:counter(p);
  position:absolute;inset-inline-start:0;top:2px;
  width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(127,182,232,.2);border:1px solid rgba(127,182,232,.45);
  color:#DFF3FF;font-size:10.5px;font-family:'IBM Plex Mono',monospace;
}
.report-actions{display:flex;gap:9px;flex-wrap:wrap}
.report-actions .btn{flex:1 1 160px}
.best-line{font-size:12px;color:var(--mist);text-align:center}
.best-line .mono{color:var(--sky2)}

.lb{
  border-radius:13px;padding:13px;
  background:rgba(15,37,69,.7);border:1px solid rgba(127,182,232,.24);
}
.lb h3{font-size:13.5px;color:var(--snow);margin-bottom:6px}
.lb p{font-size:11.5px;color:var(--mist);line-height:1.7;margin-bottom:9px}
.lb-list{display:flex;flex-direction:column;gap:5px;margin-bottom:10px}
.lb-row{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:9px;background:rgba(11,27,51,.6);font-size:12.5px}
.lb-row.is-you{background:rgba(127,182,232,.18);border:1px solid rgba(127,182,232,.45)}
.lb-rank{font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--sky);flex:0 0 24px}
.lb-handle{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--snow)}
.lb-score{font-family:'IBM Plex Mono',monospace;font-size:12.5px;color:#DFF3FF}
.mini{font-size:10.5px;color:var(--mist)}

/* ---------- footer / toast ---------- */
.foot{
  margin-top:22px;text-align:center;font-size:11px;color:rgba(159,178,201,.7);
  line-height:1.8;padding:0 12px;
}
.toast{
  position:fixed;z-index:60;
  left:50%;bottom:22px;transform:translateX(-50%);
  max-width:min(92vw,440px);
  padding:11px 18px;border-radius:12px;
  background:rgba(20,48,85,.97);
  color:#EAF4FF;font-size:13px;line-height:1.6;text-align:center;
  border:1px solid rgba(127,182,232,.45);
  box-shadow:0 20px 40px -20px #000;
  animation:toastIn .22s ease-out;
}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(8px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}

/* ---------- tablet / desktop ---------- */
@media (min-width:640px){
  .app{padding:18px 20px 48px}
  .legend{grid-template-columns:repeat(3,1fr)}
  .board{grid-template-columns:repeat(2,minmax(0,1fr));padding:16px;gap:14px}
  .breakdown{grid-template-columns:repeat(3,1fr)}
  .vcols{grid-template-columns:1fr 1fr}
  .brand-txt h1{font-size:22px}
}

@media (min-width:1024px){
  .desk{
    display:grid;
    grid-template-columns:330px minmax(0,1fr) 92px;
    gap:18px;
    align-items:start;
  }
  .casefile{order:1;position:sticky;top:16px}
  .workspace{order:2}
  .rail{
    order:3;position:sticky;top:16px;
    flex-direction:column;gap:10px;
    z-index:20;
  }
  .rail-btn{
    flex:0 0 auto;flex-direction:column;gap:5px;
    padding:12px 6px;min-height:76px;font-size:11.5px;
    border-radius:13px;
  }
  .rail-btn svg{width:22px;height:22px;flex:0 0 22px}
  .lock-dot{position:absolute;top:8px;inset-inline-end:9px;width:6px;height:6px;flex:0 0 6px}
  .board{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ecard{height:392px}
}

@media (min-width:1200px){
  .board{grid-template-columns:repeat(3,minmax(0,1fr))}
  .ecard{height:400px}
}

@media (max-width:429px){
  .hud-chip{padding:5px 8px;font-size:11px}
  .hud-k{font-size:10.5px}
  .stamp-big{width:46px;height:46px;flex-basis:46px;font-size:9px}
  .brand-txt h1{font-size:18px}
  .brand-sub{font-size:11px}
  .ecard{height:372px}
  .hero-txt h2{font-size:17px}
  .score-hero{gap:12px}
  .ring-wrap{width:96px;height:96px;flex-basis:96px}
  .ring-wrap svg{width:96px;height:96px}
  .ring-num{font-size:23px}
}

/* ---------- أدلة السؤال ---------- */
.unk-val{display:flex;align-items:center;gap:6px}
.evlinks{
  margin-top:11px;border-radius:11px;padding:9px 11px;
  background:rgba(127,182,232,.07);
  border:1px dashed rgba(127,182,232,.32);
}
.evlinks-k{font-size:11.5px;color:var(--mist);margin-bottom:7px;line-height:1.6}
.evlinks-row{display:flex;flex-wrap:wrap;gap:6px}
.ev-chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:36px;padding:5px 10px;border-radius:999px;
  border:1px solid rgba(127,182,232,.34);
  background:rgba(11,27,51,.6);
  color:#cfe0f2;font-size:11.5px;font-weight:600;
  transition:background .15s ease,border-color .15s ease,transform .12s ease;
}
.ev-chip:hover{background:rgba(127,182,232,.18);border-color:rgba(127,182,232,.62)}
.ev-chip:active{transform:translateY(1px)}
.ev-chip-t{font-size:10px;padding:1px 7px;border-radius:999px;border:1px solid currentColor;line-height:1.6}
.ev-chip.t-fact{border-color:rgba(223,243,255,.45);color:#DFF3FF}
.ev-chip.t-fact .ev-chip-t{background:rgba(223,243,255,.16)}
.ev-chip.t-likely{border-color:rgba(127,182,232,.5);color:#9fd0f5}
.ev-chip.t-likely .ev-chip-t{background:rgba(127,182,232,.18)}
.ev-chip.t-unknown{border-color:rgba(159,178,201,.45);color:#b9c8d9}
.ev-chip.t-unknown .ev-chip-t{background:rgba(159,178,201,.16)}

.ecard.is-spot{
  box-shadow:0 0 0 3px rgba(127,182,232,.85), 0 24px 42px -26px #000;
  border-radius:13px;
  animation:spotPulse 1.6s ease;
}
@keyframes spotPulse{
  0%{transform:scale(1)}
  40%{transform:scale(1.025)}
  100%{transform:scale(1)}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}