:root{
  --night:#0A2723;
  --panel:#123B34;
  --card:#164B42;
  --gold:#D4AF37;
  --gold-soft:#E9CD7C;
  --cream:#F4ECDA;
  --muted:#8FAFA5;
  --muted2:#6E8D84;
  --green:#4FAE72;
  --yellow:#E0B94A;
  --red:#DB5B4F;
  --line: rgba(212,175,55,0.22);
}
*{box-sizing:border-box;}
*{ scrollbar-width:none; -ms-overflow-style:none; }
*::-webkit-scrollbar{ display:none; width:0; height:0; }
html,body{
  margin:0; padding:0; background:var(--night); color:var(--cream);
  font-family:'Montserrat',sans-serif; min-height:100vh;
}
#app{ min-height:100vh; display:flex; flex-direction:column; position:relative; }

.hidden{ display:none !important; }

/* ---------- top bar ---------- */
.topbar{ display:flex; align-items:center; justify-content:space-between; padding:16px 16px 4px; }
.icon-btn{
  width:36px; height:36px; border-radius:10px; background:var(--card);
  border:1px solid var(--line); display:flex; align-items:center; justify-content:center;
  color:var(--gold-soft); font-size:18px; flex-shrink:0;
}

/* ---------- points row ---------- */
.points-wrap{ position:relative; }
.points-row{ display:flex; flex-wrap:nowrap; overflow-x:auto; gap:5px; padding:10px 16px 6px; }
.points-wrap::after{
  content:''; position:absolute; top:0; right:0; bottom:6px; width:26px;
  background:linear-gradient(to right, transparent, var(--night) 85%); pointer-events:none;
}
.point-chip{
  display:flex; align-items:center; gap:4px; background:var(--card); border:1px solid var(--line);
  border-radius:16px; padding:4px 8px 4px 4px; font-size:11px; font-weight:600; color:var(--gold-soft);
  white-space:nowrap; flex-shrink:0;
}
.point-chip .dot{
  width:16px;height:16px;border-radius:50%; background:var(--gold);
  display:flex;align-items:center;justify-content:center; font-size:8.5px; font-weight:700; color:#2A2004;
}

/* ---------- brand ---------- */
.brand-block{ text-align:center; padding:14px 20px 4px; }
.brand-ar{ font-family:'Reem Kufi', sans-serif; font-size:44px; color:var(--gold-soft); line-height:1; margin:0 0 6px; }
.brand-ru{ font-family:'Marcellus', serif; font-size:18px; letter-spacing:.06em; color:var(--cream); text-transform:uppercase; margin:0; }
.brand-sub{ font-size:12px; color:var(--muted); margin-top:8px; }

.cat-label{ text-align:center; font-size:13px; color:var(--muted); margin:18px 0 12px; }
.cat-grid{ padding:0 16px 20px; display:grid; grid-template-columns:1fr 1fr; gap:12px; max-width:520px; margin:0 auto; width:100%; }
.cat-card{
  background:var(--card); border:1px solid var(--line); border-radius:16px; padding:20px 12px;
  text-align:center; display:flex; flex-direction:column; align-items:center; gap:10px; cursor:pointer;
}
.cat-card i{ font-size:26px; color:var(--gold-soft); }
.cat-card span{ font-size:13px; color:var(--cream); line-height:1.3; }

.footer-block{ text-align:center; padding:16px 16px 24px; margin-top:auto; }
.footer-nick{ font-family:'Marcellus',serif; font-size:13px; color:var(--gold-soft); letter-spacing:.08em; }
.footer-socials{ display:flex; gap:10px; justify-content:center; margin-top:10px; }

/* ---------- sidebar ---------- */
.sidebar-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.5); z-index:40; display:flex;
  opacity:0; pointer-events:none; transition:opacity .2s;
}
.sidebar-overlay.open{ opacity:1; pointer-events:all; }
.sidebar-panel{
  width:80%; max-width:300px; height:100%; background:var(--panel); border-right:1px solid var(--line);
  padding:24px 18px 18px; display:flex; flex-direction:column;
  transform:translateX(-100%); transition:transform .25s;
}
.sidebar-overlay.open .sidebar-panel{ transform:translateX(0); }
.sidebar-item{ display:flex; align-items:center; gap:10px; padding:12px 10px; border-radius:10px; font-size:14px; color:var(--cream); cursor:pointer; }
.sidebar-item i{ color:var(--gold-soft); font-size:18px; width:20px; }
.sidebar-item.active{ background:var(--card); }
.sidebar-divider{ height:1px; background:var(--line); margin:14px 0; }
.sidebar-profile{ display:flex; align-items:center; gap:10px; padding:10px; background:var(--card); border-radius:12px; border:1px solid var(--line); }
.sidebar-avatar{ width:38px;height:38px;border-radius:50%; background:var(--gold); display:flex;align-items:center;justify-content:center; font-size:14px; color:#2A2004; font-weight:700; }
.sidebar-name{ font-size:13px; color:var(--gold-soft); font-family:'Marcellus',serif; }
.sidebar-sub{ font-size:11px; color:var(--muted); }

/* ---------- levels ---------- */
.levels-header{ padding:20px 16px 6px; max-width:520px; margin:0 auto; width:100%; }
.back-row{ display:flex; align-items:center; gap:8px; margin-bottom:10px; cursor:pointer; }
.back-row i{ color:var(--gold-soft); font-size:16px; }
.back-row span{ font-size:12px; color:var(--muted); }
.levels-title{ font-size:19px; color:var(--gold-soft); font-family:'Marcellus',serif; }
.levels-list{ padding:10px 16px 24px; display:flex; flex-direction:column; gap:10px; max-width:520px; margin:0 auto; width:100%; }
.level-row{ display:flex; align-items:center; gap:12px; background:var(--card); border:1px solid var(--line); border-radius:14px; padding:12px 14px; cursor:pointer; }
.level-row.locked{ opacity:.6; }
.diff-circle{ width:14px;height:14px;border-radius:50%; flex-shrink:0; }
.diff-circle.easy{ background:var(--green); }
.diff-circle.medium{ background:var(--yellow); }
.diff-circle.hard{ background:var(--red); }
.level-mid{ flex:1; }
.level-num{ font-size:14px; color:var(--cream); font-weight:600; }
.level-diff{ font-size:11px; color:var(--muted); }
.level-progress{ font-size:10.5px; color:var(--muted2); margin-top:2px; }
.lock-icon{ font-size:17px; color:var(--muted); }

/* ---------- ready / result screens ---------- */
.center-screen{ flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:20px; padding:0 24px; text-align:center; }
.ready-title{ font-family:'Marcellus',serif; font-size:24px; color:var(--gold-soft); letter-spacing:.03em; }
.ready-sub{ font-size:13px; color:var(--muted); }
.btn-primary{ background:var(--gold); color:#2A2004; border:none; padding:14px 28px; border-radius:24px; font-size:14px; font-weight:700; font-family:'Montserrat',sans-serif; cursor:pointer; }
.btn-outline{ background:transparent; color:var(--gold-soft); border:1px solid var(--line); padding:13px 26px; border-radius:24px; font-size:13.5px; font-weight:600; cursor:pointer; }
.btn-stack{ display:flex; flex-direction:column; gap:10px; width:100%; max-width:320px; }

.result-icon{ width:80px; height:80px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:34px; }
.result-icon.lose{ background:rgba(219,91,79,0.16); color:var(--red); }
.result-icon.win{ background:rgba(79,174,114,0.16); color:var(--green); }
.result-points{ font-size:30px; font-weight:700; color:var(--gold-soft); }
.result-points-label{ font-size:12px; color:var(--muted); margin-top:-14px; }
.win-title{ font-family:'Marcellus',serif; font-size:22px; color:var(--green); }
.lose-title{ font-family:'Marcellus',serif; font-size:22px; color:var(--red); }

/* ---------- question ---------- */
.q-progress-bar{ height:4px; background:var(--panel); border-radius:2px; margin:20px 16px 0; overflow:hidden; }
.q-progress-fill{ height:100%; background:var(--gold); transition:width .25s; }
.q-header{ padding:14px 16px 4px; display:flex; flex-direction:column; align-items:center; gap:10px; }
.q-progress{ font-size:12px; color:var(--muted); }
.timer-pill{ display:flex; align-items:center; gap:8px; background:var(--card); border:1.5px solid var(--gold); border-radius:22px; padding:9px 20px; font-size:19px; color:var(--gold-soft); font-weight:700; }
.q-body{ flex:1; padding:16px 20px; display:flex; flex-direction:column; justify-content:center; gap:28px; max-width:520px; margin:0 auto; width:100%; }
.q-text{ font-size:20px; line-height:1.45; color:var(--cream); font-weight:500; text-align:center; }
.q-options{ display:flex; flex-direction:column; gap:12px; }
.q-option{ background:var(--card); border:1px solid var(--line); border-radius:14px; padding:16px 18px; font-size:15px; color:var(--cream); cursor:pointer; text-align:left; }
.q-option.correct{ border-color:var(--green); background:rgba(79,174,114,0.16); color:#BFE9CE; }
.q-option.wrong{ border-color:var(--red); background:rgba(219,91,79,0.16); color:#F3C7C2; }
.q-option.disabled{ pointer-events:none; }

/* ---------- locked modal ---------- */
.modal-screen{ position:fixed; inset:0; z-index:50; display:flex; align-items:flex-end; justify-content:center; background:rgba(0,0,0,.5); }
.modal-box{ width:100%; max-width:520px; background:var(--panel); border-top:1px solid var(--line); border-radius:22px 22px 0 0; padding:26px 22px 30px; text-align:center; }
.modal-title{ font-size:16px; color:var(--gold-soft); font-weight:700; margin-bottom:4px; }
.modal-diff{ font-size:12px; color:var(--muted); margin-bottom:18px; }
.modal-btns{ display:flex; flex-direction:column; gap:9px; }

.screen{ display:flex; flex-direction:column; flex:1; min-height:100vh; }