/* ui.css — reusable widgets: buttons, cards, HUD, level grid, switches, toast. */

/* buttons */
.btn { pointer-events: auto; cursor: pointer; border: none; font-weight: 800; color: #08122a;
  background: linear-gradient(135deg, #7de9ff, var(--accent-2)); border-radius: var(--radius); padding: 15px 40px; font-size: 18px;
  box-shadow: 0 12px 34px -8px rgba(34,211,238,.6); letter-spacing: .4px;
  transition: transform .12s cubic-bezier(.2, 1.4, .3, 1), box-shadow .2s; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(.94); }
.btn.ghost { background: var(--glass); border: 1px solid var(--glass-b); color: var(--ink); box-shadow: none; backdrop-filter: blur(10px); }
.btn.sm { padding: 11px 20px; font-size: 14px; border-radius: 12px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

/* cards */
.card { background: var(--glass); border: 1px solid var(--glass-b); backdrop-filter: blur(14px); border-radius: 22px; padding: 22px;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.08); }
h2.title { font-size: 26px; font-weight: 900; margin-bottom: 4px; letter-spacing: -.5px; }
.muted { color: var(--muted); font-size: 13px; }

/* level grid */
#lvGrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(72px, 1fr)); gap: 12px; max-width: 520px; width: 100%; max-height: 60vh; overflow: auto; padding: 6px; }
.lv { aspect-ratio: 1; border-radius: var(--radius); background: var(--glass); border: 1px solid var(--glass-b); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; cursor: pointer; position: relative; font-weight: 900; font-size: 20px; transition: transform .15s cubic-bezier(.2, 1.4, .3, 1), background .2s; }
.lv:hover { transform: translateY(-3px) scale(1.03); background: rgba(124,92,255,.18); }
.lv .st { font-size: 10px; letter-spacing: 1px; color: #ffd84d; height: 11px; }
.lv.lock { opacity: .4; cursor: not-allowed; }
.lv.lock:hover { transform: none; background: var(--glass); }
.lv.done { border-color: rgba(34,211,238,.4); }

/* HUD */
#hud { position: fixed; left: 0; right: 0; top: calc(10px + var(--safe-t)); z-index: 4; display: none; align-items: center; justify-content: space-between; padding: 0 12px; gap: 8px; pointer-events: none; }
#hud .pill { pointer-events: auto; background: var(--glass); border: 1px solid var(--glass-b); backdrop-filter: blur(10px); border-radius: 14px; display: flex; align-items: center; gap: 8px; padding: 8px 12px; }
.ico { width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--glass-b); background: var(--glass); backdrop-filter: blur(8px); display: grid; place-items: center; cursor: pointer; pointer-events: auto; font-size: 17px; transition: transform .12s, background .2s; }
.ico:hover { background: rgba(124,92,255,.22); }
.ico:active { transform: scale(.9); }
#hudR { display: flex; gap: 8px; }
#lvName { font-weight: 800; font-size: 15px; }
#moves { color: var(--muted); font-size: 12px; }

/* toast */
#toast { position: fixed; left: 50%; top: calc(64px + var(--safe-t)); transform: translateX(-50%) translateY(-10px); z-index: 8; background: rgba(10,14,34,.85); border: 1px solid var(--glass-b); backdrop-filter: blur(10px); border-radius: 12px; padding: 9px 16px; font-size: 13px; font-weight: 700; opacity: 0; transition: opacity .3s, transform .3s; pointer-events: none; max-width: 80%; }
#toast.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* settings switches */
.setrow { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: 100%; max-width: 320px; margin: 10px 0; }
.sw { width: 52px; height: 30px; border-radius: 20px; background: rgba(255,255,255,.14); position: relative; cursor: pointer; transition: background .2s; }
.sw.on { background: linear-gradient(135deg, var(--accent-2), var(--accent-1)); }
.sw i { position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; transition: left .2s cubic-bezier(.2, 1.4, .3, 1); }
.sw.on i { left: 25px; }