/* ===== Arrow Escape — UI styling ===== */
:root{
  --bg0:#0b1027;
  --bg1:#141b3c;
  --panel:#1b2350;
  --panel2:#222c63;
  --ink:#eef1ff;
  --ink-dim:#9aa6d6;
  --accent:#37e0c8;
  --accent2:#5b8bff;
  --warn:#ff5d73;
  --gold:#ffcf4d;
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --radius:22px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{height:100%;margin:0;}
body{
  font-family:"Baloo 2","Nunito",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 700px at 50% -10%, #243066 0%, rgba(36,48,102,0) 60%),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg0) 100%);
  color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;user-select:none;
}

#app{width:100%;height:100%;display:flex;align-items:center;justify-content:center;padding:10px;}

.phone{
  position:relative;
  width:min(440px,100%);
  height:min(900px,100%);
  display:flex;flex-direction:column;
  background:
    radial-gradient(700px 380px at 80% 0%, rgba(91,139,255,.18), rgba(91,139,255,0) 55%),
    radial-gradient(600px 420px at 10% 100%, rgba(55,224,200,.14), rgba(55,224,200,0) 55%),
    linear-gradient(180deg,#11173a 0%, #0c1230 100%);
  border-radius:30px;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
  overflow:hidden;
}

/* ===== TOP ===== */
.topbar{padding:16px 16px 8px;flex:0 0 auto;}
.top-row{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.top-right{display:flex;gap:8px;}

.icon-btn{
  width:42px;height:42px;border:none;border-radius:14px;cursor:pointer;
  background:linear-gradient(180deg,var(--panel2),var(--panel));
  color:var(--ink);display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .12s, filter .12s;
}
.icon-btn:active{transform:scale(.92);filter:brightness(1.15);}
.icon-btn svg{width:22px;height:22px;}
.lang-btn{font-weight:800;font-size:13px;letter-spacing:.5px;}

.level-pill{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:4px 22px;border-radius:16px;min-width:120px;
  background:linear-gradient(180deg,var(--panel2),var(--panel));
  box-shadow:0 4px 14px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.06);
}
.level-label{font-size:11px;letter-spacing:2px;text-transform:uppercase;color:var(--ink-dim);font-weight:700;}
.level-num{font-size:24px;font-weight:800;line-height:1;margin-top:1px;}

.hearts-progress{margin-top:14px;display:flex;flex-direction:column;gap:10px;}
.hearts{display:flex;gap:7px;justify-content:center;}
.heart{width:30px;height:30px;transition:transform .25s;}
.heart svg{width:100%;height:100%;display:block;}
.heart.lost{transform:scale(.8);opacity:.85;}
.heart.pop{animation:heartPop .4s;}
@keyframes heartPop{0%{transform:scale(1)}40%{transform:scale(1.4)}100%{transform:scale(.8)}}

.progress-wrap{position:relative;display:flex;align-items:center;gap:10px;padding:0 4px;}
.progress-track{
  flex:1;height:14px;border-radius:10px;overflow:hidden;
  background:rgba(0,0,0,.35);box-shadow:inset 0 2px 5px rgba(0,0,0,.45);
}
.progress-fill{
  height:100%;width:0%;border-radius:10px;
  background:linear-gradient(90deg,var(--accent),#7af0a0 60%,var(--gold));
  box-shadow:0 0 12px rgba(55,224,200,.5);
  transition:width .5s cubic-bezier(.3,1.2,.5,1);
}
.progress-star{
  width:26px;height:26px;color:var(--gold);filter:drop-shadow(0 2px 4px rgba(0,0,0,.4));
}
.progress-star svg{width:100%;height:100%;}
.progress-text{position:absolute;right:38px;top:-20px;font-size:12px;font-weight:800;color:var(--ink-dim);}

/* ===== STAGE ===== */
.stage{flex:1 1 auto;position:relative;display:flex;align-items:center;justify-content:center;padding:6px 10px;min-height:0;}
#board{width:100%;height:100%;display:block;border-radius:var(--radius);touch-action:none;}

.toast{
  position:absolute;top:14px;left:50%;transform:translateX(-50%) translateY(-12px);
  background:rgba(10,14,34,.92);color:var(--ink);padding:10px 18px;border-radius:14px;
  font-weight:700;font-size:14px;box-shadow:var(--shadow);opacity:0;pointer-events:none;
  transition:opacity .25s, transform .25s;border:1px solid rgba(255,255,255,.08);white-space:nowrap;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ===== BOTTOM ===== */
.bottombar{flex:0 0 auto;display:flex;gap:10px;padding:10px 16px 20px;}
.action-btn{
  flex:1;border:none;cursor:pointer;border-radius:18px;padding:12px 6px 10px;
  display:flex;flex-direction:column;align-items:center;gap:5px;
  background:linear-gradient(180deg,var(--panel2),var(--panel));
  color:var(--ink);font-weight:800;font-size:13px;
  box-shadow:0 6px 16px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .12s, filter .12s;
}
.action-btn:active{transform:translateY(2px) scale(.97);filter:brightness(1.1);}
.action-btn .ab-icon{width:26px;height:26px;display:flex;}
.action-btn .ab-icon svg{width:100%;height:100%;}
.action-btn.primary{
  background:linear-gradient(180deg,#3aa0ff,#2f6dff);
  box-shadow:0 8px 20px rgba(47,109,255,.45), inset 0 1px 0 rgba(255,255,255,.2);
}
.action-btn:disabled{opacity:.45;filter:grayscale(.4);pointer-events:none;}

/* ===== MODALS ===== */
.modal-overlay{
  position:fixed;inset:0;background:rgba(6,9,24,.66);backdrop-filter:blur(5px);
  display:none;align-items:center;justify-content:center;z-index:50;padding:24px;
}
.modal-overlay.show{display:flex;}
.modal{
  display:none;position:relative;width:min(360px,92vw);
  background:linear-gradient(180deg,#222c63,#1a2150);
  border-radius:26px;padding:30px 26px 24px;text-align:center;
  box-shadow:var(--shadow), inset 0 1px 0 rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
  animation:pop .35s cubic-bezier(.2,1.3,.4,1);
}
.modal.show{display:block;}
@keyframes pop{0%{transform:scale(.8);opacity:0}100%{transform:scale(1);opacity:1}}
.modal h2{margin:6px 0 4px;font-size:26px;font-weight:800;}
.modal-sub{color:var(--ink-dim);font-size:14px;margin:6px 0 18px;line-height:1.4;}

.trophy{width:74px;height:74px;margin:0 auto;color:var(--gold);filter:drop-shadow(0 6px 14px rgba(255,207,77,.5));}
.trophy svg{width:100%;height:100%;}
.broken-heart{width:72px;height:72px;margin:0 auto 4px;filter:drop-shadow(0 6px 12px rgba(226,63,87,.5));}
.broken-heart svg{width:100%;height:100%;}

.stars{display:flex;justify-content:center;gap:6px;margin:8px 0 2px;}
.stars .star{width:36px;height:36px;background:rgba(255,255,255,.12);border-radius:50%;position:relative;}
.stars .star::after{content:"★";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:24px;color:rgba(255,255,255,.18);}
.stars .star.on{background:radial-gradient(circle at 50% 40%,#fff3c4,#ffcf4d);box-shadow:0 4px 12px rgba(255,207,77,.5);animation:starPop .4s both;}
.stars .star.on::after{color:#b8860b;text-shadow:0 1px 0 rgba(255,255,255,.4);}
@keyframes starPop{0%{transform:scale(0) rotate(-40deg)}70%{transform:scale(1.25)}100%{transform:scale(1)}}

.modal-btn{
  width:100%;border:none;cursor:pointer;border-radius:16px;padding:15px;margin-top:10px;
  font-weight:800;font-size:17px;color:#fff;display:flex;align-items:center;justify-content:center;gap:8px;
  transition:transform .12s, filter .12s;
}
.modal-btn:active{transform:scale(.97);filter:brightness(1.08);}
.modal-btn.primary{background:linear-gradient(180deg,#34d39a,#16a06b);box-shadow:0 8px 20px rgba(22,160,107,.45);}
.modal-btn.ghost{background:rgba(255,255,255,.08);color:var(--ink);}
.play-badge{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:rgba(255,255,255,.22);font-size:11px;}

.modal-burst{position:absolute;inset:0;pointer-events:none;overflow:hidden;border-radius:26px;}

/* settings */
.setting-row{display:flex;align-items:center;justify-content:space-between;padding:12px 4px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.06);}
.seg{display:flex;background:rgba(0,0,0,.3);border-radius:12px;padding:3px;}
.seg-btn{border:none;background:transparent;color:var(--ink-dim);font-weight:800;padding:7px 16px;border-radius:9px;cursor:pointer;}
.seg-btn.on{background:linear-gradient(180deg,var(--accent2),#2f6dff);color:#fff;}
.toggle{width:54px;height:30px;border-radius:16px;border:none;background:rgba(0,0,0,.35);position:relative;cursor:pointer;transition:background .2s;}
.toggle.on{background:linear-gradient(90deg,#34d39a,#16a06b);}
.toggle .knob{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:left .2s;box-shadow:0 2px 5px rgba(0,0,0,.4);}
.toggle.on .knob{left:27px;}
.level-jump{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;max-width:200px;}
.level-jump button{width:34px;height:34px;border:none;border-radius:10px;background:rgba(255,255,255,.08);color:var(--ink);font-weight:800;cursor:pointer;}
.level-jump button.cur{background:linear-gradient(180deg,var(--accent2),#2f6dff);}
.level-jump button.done{background:rgba(52,211,154,.35);}

/* confetti pieces */
.confetti{position:absolute;width:9px;height:14px;top:-20px;border-radius:2px;animation:fall linear forwards;}
@keyframes fall{to{transform:translateY(120vh) rotate(720deg);opacity:.9;}}