@import"https://fonts.googleapis.com/css2?family=Oswald:wght@500;600;700&display=swap";:root{--bg: #000;--panel-bg: #000;--panel-border: #e9e9ec;--ink: #f4f4f6;--muted: #9a9aa2;--accent: #3fd7e8;--cell: 28px;--preview-cell: 20px;--c-I: #3fd7e8;--c-O: #e3b23c;--c-T: #c15bd4;--c-S: #6fcf5a;--c-Z: #e05b5b;--c-J: #4f6fd6;--c-L: #e08a3c;--c-G: #4a4a52;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg)}body{font-family:Oswald,Arial Narrow,Arial,sans-serif;color:var(--ink);display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px 12px}#app{width:100%;display:flex;justify-content:center}.app{position:relative;width:100%;max-width:900px}.layout{display:flex;justify-content:center;align-items:flex-start;gap:18px;flex-wrap:wrap}.col{display:flex;flex-direction:column;gap:14px}.col-left,.col-right{width:190px}.col-center{display:flex;flex-direction:column;align-items:center;gap:12px}.panel{border:2px solid var(--panel-border);border-radius:2px;background:var(--panel-bg);position:relative}.panel-tab{position:absolute;top:-1px;left:-1px;background:var(--panel-border);color:#0a0a0c;font-weight:700;font-size:13px;letter-spacing:.08em;padding:3px 14px 3px 10px;clip-path:polygon(0 0,100% 0,calc(100% - 10px) 100%,0 100%)}.preview-grid-wrap{min-height:92px;display:flex;align-items:center;justify-content:center;padding:20px 10px 10px}.next-slot{min-height:64px;padding:14px 10px 6px;border-bottom:1px solid rgba(233,233,236,.12)}.next-slot:last-child{border-bottom:none}.preview-grid{display:grid;gap:2px}.preview-cell{width:var(--preview-cell);height:var(--preview-cell);border-radius:3px}.preview-cell-empty{background:transparent}.hold-panel.used .preview-grid{opacity:.4;filter:saturate(.5)}.stats-panel{padding:10px 14px 14px}.puzzle-label{font-size:11px;letter-spacing:.12em;color:var(--muted);padding-top:8px}.stat-row{display:flex;align-items:baseline;flex-wrap:wrap;gap:2px;padding:7px 0;border-bottom:1px solid rgba(233,233,236,.08)}.stat-row:last-child{border-bottom:none}.stat-label{width:100%;font-size:11px;letter-spacing:.12em;color:var(--muted)}.stat-value{font-size:22px;font-weight:700;line-height:1.1}.stat-sub{font-size:13px;color:var(--muted);font-weight:600}.board-wrap{position:relative}.board{display:grid;grid-template-columns:repeat(10,var(--cell));grid-template-rows:repeat(20,var(--cell));background:#000;border:2px solid var(--panel-border)}.cell{border:1px solid rgba(255,255,255,.06);position:relative}.cell[data-piece]:not([data-piece=N]){background:var(--cell-color, var(--c-G));box-shadow:inset 0 0 0 3px #00000059,inset 0 0 0 7px #ffffff1f}.cell[data-piece]:not([data-piece=N]):after{content:"";position:absolute;top:4px;right:4px;bottom:4px;left:4px;border-radius:2px;background:linear-gradient(135deg,#ffffff8c,#fff0 55%);mix-blend-mode:screen}.cell[data-piece=I]{--cell-color: var(--c-I)}.cell[data-piece=O]{--cell-color: var(--c-O)}.cell[data-piece=T]{--cell-color: var(--c-T)}.cell[data-piece=S]{--cell-color: var(--c-S)}.cell[data-piece=Z]{--cell-color: var(--c-Z)}.cell[data-piece=J]{--cell-color: var(--c-J)}.cell[data-piece=L]{--cell-color: var(--c-L)}.cell[data-piece=G]{--cell-color: var(--c-G)}.cell.ghost{background:transparent!important;box-shadow:inset 0 0 0 2px var(--cell-color, var(--c-G))!important}.cell.ghost:after{display:none}.preview-cell[data-piece]{background:var(--cell-color, var(--c-G));box-shadow:inset 0 0 0 2px #00000059,inset 0 0 0 4px #ffffff1f}.timer-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:56px;font-weight:700;color:#ffffff24;pointer-events:none;letter-spacing:.02em;font-variant-numeric:tabular-nums}.timer-overlay.solved{color:#6fcf5a73}.toolbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}.mode-select,.piece-count-input,.btn{font-family:inherit;font-weight:600;letter-spacing:.04em;border-radius:3px;border:1px solid var(--panel-border);background:#0c0c0e;color:var(--ink);padding:7px 10px;font-size:13px}.piece-count-label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);letter-spacing:.08em}.piece-count-input{width:48px}.btn{cursor:pointer;text-transform:uppercase}.btn:hover{border-color:var(--accent)}.btn-accent{background:var(--accent);color:#06181b;border-color:var(--accent)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b8;display:flex;align-items:center;justify-content:center;z-index:10}.modal-backdrop[hidden]{display:none}.modal{background:#0a0a0c;border:2px solid var(--panel-border);border-radius:4px;padding:22px 26px 26px;width:min(380px,92vw);max-height:86vh;overflow-y:auto}.modal-title{margin:0 0 14px;font-size:20px;letter-spacing:.06em;text-transform:uppercase}.keybind-table{width:100%;border-collapse:collapse}.keybind-table td{padding:6px 0;font-size:13px}.keybind-label{color:var(--muted)}.keybind-input{width:100%;text-align:right;font-family:inherit;font-weight:600;background:#151518;color:var(--ink);border:1px solid #2a2a2e;border-radius:3px;padding:5px 8px;cursor:pointer}.keybind-input.capturing{border-color:var(--accent);color:var(--accent)}.das-arr-row{display:flex;gap:18px;margin-top:14px}.das-arr-label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);letter-spacing:.06em}.das-arr-input{font-family:inherit;background:#151518;color:var(--ink);border:1px solid #2a2a2e;border-radius:3px;padding:6px 8px;width:80px}.modal-hint{font-size:11px;color:var(--muted);margin:14px 0}.toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%) translateY(8px);background:#0a0a0c;border:1px solid var(--panel-border);padding:10px 20px;border-radius:4px;font-weight:600;letter-spacing:.04em;opacity:0;transition:opacity .15s ease,transform .15s ease;pointer-events:none;z-index:20}.toast.visible{opacity:1;transform:translate(-50%) translateY(0)}@media (max-width: 760px){:root{--cell: 22px;--preview-cell: 16px}.col-left,.col-right{width:150px}}