*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{
  --acc:#E86FFF;
  --ink:#F4F5F7; --mut:#9097A3; --dim:#6F7683;
  --bd:rgba(255,255,255,0.09);
}
html,body{margin:0;padding:0;height:100%}
body{
  font-family:'Inter',system-ui,sans-serif;color:var(--ink);font-size:15px;
  -webkit-font-smoothing:antialiased;overflow:hidden;touch-action:none;
  background:radial-gradient(80% 90% at 50% 12%,rgba(232,111,255,0.08),transparent 70%),linear-gradient(180deg,#15171F,#101218);
}
.disp{font-family:'Bricolage Grotesque',sans-serif}
.mono{font-family:'Space Mono',monospace}
button{font:inherit;color:inherit;cursor:pointer;border:none;background:none}

#app{height:100dvh;max-width:620px;margin:0 auto;padding:14px 14px calc(12px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:12px}

.top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.ttl{font-weight:700;font-size:24px;letter-spacing:-0.02em;color:var(--acc);text-shadow:0 0 24px rgba(232,111,255,0.35);line-height:1}
.tsub{font-size:10.5px;color:var(--dim);margin-top:5px;letter-spacing:0.1em;text-transform:uppercase}
.tright{display:flex;align-items:center;gap:7px}
.pill{font-size:12px;padding:7px 10px;border-radius:10px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);color:#D6DAE2;white-space:nowrap}
.ibtn{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);font-size:14px;display:grid;place-items:center;transition:.15s}
.ibtn:hover{background:rgba(255,255,255,0.11)}

.lvlnav{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.grow{flex:1}
.nbtn{height:38px;min-width:38px;padding:0 12px;border-radius:11px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);color:#D6DAE2;font-weight:700;font-size:13.5px;transition:.15s}
.nbtn:hover{background:rgba(255,255,255,0.11)}
.nbtn:disabled{opacity:0.35;cursor:default}
.modes{display:flex;gap:4px;padding:3px;border-radius:12px;background:rgba(255,255,255,0.04);border:1px solid var(--bd)}
.mode{width:36px;height:32px;border-radius:9px;font-weight:800;font-size:14px;color:var(--mut);transition:.15s}
.mode.on{background:var(--acc);color:#230A28}

#boardwrap{flex:1;min-height:0;display:grid;place-items:center}
#board{display:grid;gap:0;border-radius:12px;padding:6px;background:linear-gradient(180deg,#181B23,#131519);border:1px solid var(--bd);box-shadow:inset 0 1px 0 rgba(255,255,255,0.05),0 18px 40px rgba(0,0,0,0.4)}
.corner{}
.cclue{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:0;padding-bottom:4px;font-family:'Space Mono',monospace;font-weight:700;color:#C9CED8;line-height:1.15}
.rclue{display:flex;align-items:center;justify-content:flex-end;gap:5px;padding-right:7px;font-family:'Space Mono',monospace;font-weight:700;color:#C9CED8}
.cclue.sat,.rclue.sat{color:#4A4F5A}
.gcell{position:relative;background:#1B1E28;border:1px solid rgba(255,255,255,0.07);cursor:pointer;transition:background .08s}
.gcell:hover{background:#242836}
.gcell.b-r{border-right:2px solid rgba(255,255,255,0.22)}
.gcell.b-b{border-bottom:2px solid rgba(255,255,255,0.22)}
.gcell.fill{background:var(--acc);border-color:color-mix(in srgb,var(--acc) 60%,#000)}
.gcell.x::after{content:'✕';position:absolute;inset:0;display:grid;place-items:center;font-size:0.62em;color:#5A6070;font-weight:700}
.gcell.hinted{box-shadow:inset 0 0 0 2px #FFCB4D}
#board.won .gcell{cursor:default;border-color:transparent}
#board.won .gcell:not(.fill){background:transparent}
#board.won .gcell.x::after{content:''}

.modal{position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;padding:18px;background:rgba(8,9,12,0.74);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.modal.show{display:flex}
.mcard{width:min(430px,100%);max-height:86dvh;overflow-y:auto;border-radius:20px;border:1px solid rgba(255,255,255,0.12);background:linear-gradient(180deg,#1A1D26,#14161C);padding:26px;box-shadow:0 30px 70px rgba(0,0,0,0.6)}
.mcard h2{margin:0 0 8px;font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:23px;color:#F4F5F7;text-align:center}
.mcard p{margin:8px 0;font-size:13.5px;line-height:1.6;color:#B8BEC9}
.mcard .stars{font-size:30px;letter-spacing:7px;text-align:center;margin:8px 0;color:var(--acc)}
.mcard .subline{text-align:center;font-family:'Space Mono',monospace;font-size:12px;color:var(--mut)}
.mbtns{display:flex;gap:8px;margin-top:16px}
.mbtn{flex:1;padding:12px 8px;border-radius:12px;font-weight:700;font-size:13.5px;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);color:#E7EAEF;transition:.15s}
.mbtn:hover{background:rgba(255,255,255,0.12)}
.mbtn.go{background:var(--acc);border-color:var(--acc);color:#230A28}
.seclab{font-family:'Space Mono',monospace;font-size:10.5px;letter-spacing:0.18em;text-transform:uppercase;color:var(--dim);margin:14px 0 6px}
.lvlgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.lvlbtn{position:relative;aspect-ratio:1;border-radius:11px;background:rgba(255,255,255,0.05);border:1px solid var(--bd);color:#D6DAE2;font-weight:700;font-size:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;transition:.15s}
.lvlbtn:hover{background:rgba(255,255,255,0.11)}
.lvlbtn.cur{border-color:var(--acc);color:var(--acc)}
.lvlbtn .st{font-size:9px;letter-spacing:1px;color:var(--acc)}