:root{
  --cellSize:32px; /* tamanho fixo do bloco (mantém colunas iguais em todos os níveis) */
  --bg:#0b1220;
  --panel:#0f1a33;
  --panel2:#121f3d;
  --text:#eaf0ff;
  --muted:#95a6c9;
  --line:rgba(255,255,255,.10);

  --btn:#22335f;
  --btn2:#2b3f77;

  --cell:#16264a;
  --cell2:#1a2d56;
  --open:#0f1e3a;

  --ok:#33d18a;
  --warn:#ffd166;
  --bad:#ff5c7a;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, rgba(80,120,255,.18), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(50,220,150,.12), transparent 55%),
              var(--bg);
  color:var(--text);
}

.topbar{
  display:flex;
  gap:14px;
  justify-content:space-between;
  align-items:center;
  padding:14px 16px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(to bottom, rgba(15,26,51,.95), rgba(15,26,51,.65));
  backdrop-filter: blur(8px);
  position:sticky;
  top:0;
  z-index:5;
}

.brand{display:flex; align-items:center; gap:10px}
.logo{
  width:38px; height:38px;
  border-radius:12px;
  display:grid; place-items:center;
  font-weight:800;
  background:linear-gradient(135deg, rgba(255,209,102,.25), rgba(51,209,138,.18));
  border:1px solid var(--line);
}
.title{font-weight:800; letter-spacing:.2px}
.subtitle{color:var(--muted); font-size:12px; margin-top:2px}

.hud{
  display:flex; gap:10px; align-items:center; flex-wrap:wrap;
}
.hud-item{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:12px;
  padding:8px 10px;
  display:flex; gap:8px; align-items:baseline;
}
.hud-label{color:var(--muted); font-size:12px}
.hud-value{font-weight:800; font-size:16px}

.container{max-width:1100px; margin:18px auto; padding:0 14px}
.panel{
  background:linear-gradient(180deg, rgba(18,31,61,.86), rgba(15,26,51,.72));
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px;
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
}

.row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:end;
}

.field{
  display:grid;
  gap:6px;
  min-width:130px;
}
.field span{color:var(--muted); font-size:12px}
.field input{
  height:40px;
  padding:0 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
.field input:focus{border-color:rgba(255,255,255,.25)}

.btn{
  height:40px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, var(--btn2), var(--btn));
  color:var(--text);
  font-weight:700;
  cursor:pointer;
}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.btn.primary{
  border-color: rgba(51,209,138,.35);
  background:linear-gradient(180deg, rgba(51,209,138,.30), rgba(34,51,95,.85));
}

.status{
  margin-top:10px;
  min-height:22px;
  color:var(--muted);
  font-size:14px;
}
.status.ok{color:var(--ok)}
.status.bad{color:var(--bad)}
.status.warn{color:var(--warn)}

.board-wrap{margin-top:12px; overflow:auto; border-radius:14px; border:1px solid var(--line)}
.board{
  width:max-content;
  display:grid;
  gap:0px;
  background:rgba(255,255,255,.08);
  padding:3px;
  min-width: max-content;
}

.cell{
  width:var(--cellSize); height:var(--cellSize);
  display:grid; place-items:center;
  user-select:none;
  cursor:pointer;
  font-weight:800;
  border-radius:6px;
  background:linear-gradient(180deg, var(--cell2), var(--cell));
  border:1px solid rgba(0,0,0,.22);
  outline:none;
}
.cell:hover{filter:brightness(1.08)}
.cell.open{
  cursor:default;
  background:linear-gradient(180deg, rgba(15,30,58,.95), rgba(13,25,48,.95));
  border-color:rgba(255,255,255,.08);
}
.cell.flag{
  background:linear-gradient(180deg, rgba(255,209,102,.22), rgba(22,38,74,.92));
}
.cell.mine{
  background:linear-gradient(180deg, rgba(255,92,122,.35), rgba(22,38,74,.95));
}
.cell:focus{box-shadow:0 0 0 2px rgba(80,120,255,.35)}

.hint{
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
  line-height:1.35;
}

/* números */
.n1{color:#7fb0ff}
.n2{color:#5de3a8}
.n3{color:#ff9aa8}
.n4{color:#b7a5ff}
.n5{color:#ffd166}
.n6{color:#77e0ff}
.n7{color:#eaf0ff}
.n8{color:#c8d3f7}

@media (max-width:520px){
  .cell{width:var(--cellSize); height:var(--cellSize); font-size:13px}
  .field{min-width:110px}
}
.field select{
  height:40px;
  padding:0 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
}
.field select:focus{border-color:rgba(255,255,255,.25)}

.records{
  margin-top:12px;
  display:grid;
  gap:10px;
  grid-template-columns: 220px 1fr;
  align-items:start;
}
.rec-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px 12px;
}
.rec-title{color:var(--muted); font-size:12px; margin-bottom:6px}
.rec-value{font-weight:900; font-size:22px}
.rec-unit{color:var(--muted); font-weight:700; font-size:14px; margin-left:4px}

.ranking{
  margin:0;
  padding-left:18px;
  color:var(--text);
}
.ranking li{
  margin:4px 0;
  color:rgba(234,240,255,.92);
}
.rec-actions{
  grid-column: 1 / -1;
}

@media (max-width:760px){
  .records{grid-template-columns: 1fr;}
}
.text{
  height:40px;
  padding:0 10px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text);
  outline:none;
  width:100%;
}
.text:focus{border-color:rgba(255,255,255,.25)}
.rec-sub{color:var(--muted); font-size:12px; margin-top:8px}

.rec-wide{grid-column: 1 / -1}

.rec-actions{
  margin-top:10px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

/* Modal */
.modal{
  position:fixed;
  inset:0;
  display:none;
  z-index:50;
}
.modal.show{display:block}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,.55);
}
.modal-card{
  position:relative;
  width:min(900px, calc(100% - 24px));
  margin:60px auto;
  border-radius:16px;
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(18,31,61,.96), rgba(15,26,51,.92));
  box-shadow:0 20px 70px rgba(0,0,0,.55);
  overflow:hidden;
}
.modal-head{
  padding:12px 12px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  border-bottom:1px solid var(--line);
}
.modal-title{font-weight:900}
.modal-sub{color:var(--muted); font-size:12px; margin-top:2px}
.modal-body{
  max-height:70vh;
  overflow:auto;
  padding:12px;
}
.ranking-all{
  margin:0;
  padding-left:18px;
}
.ranking-all li{
  padding:8px 10px;
  margin:6px 0;
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  background:rgba(255,255,255,.03);
  display:flex;
  gap:10px;
  justify-content:space-between;
}
.rank-left{display:flex; gap:10px; flex-wrap:wrap}
.badge{
  display:inline-block;
  padding:2px 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.04);
  color:rgba(234,240,255,.92);
  font-size:12px;
  font-weight:800;
}
.rank-time{font-weight:900}
.rank-date{color:var(--muted); font-size:12px}
/* =========================
   THEMES: XP / WIN10
   Ativa com: <body data-theme="xp"> ou "w10"
========================= */

body[data-theme="xp"]{
  --cellSize:24px; /* XP clássico: 24px */
  --bg:#bdbdbd;
  --panel:#d4d0c8;
  --panel2:#d4d0c8;
  --text:#111;
  --muted:#333;
  --line: rgba(0,0,0,.25);

  --cell:#c0c0c0;      /* fechado */
  --cell2:#e6e6e6;     /* highlight */
  --open:#bdbdbd;      /* aberto */

  --btn:#d4d0c8;
  --btn2:#e9e6df;

  --ok:#0a7a2f;
  --warn:#8a6a00;
  --bad:#b00020;
}

body[data-theme="w10"]{
  --cellSize:32px; /* Win10: 32px */
  /* aparência moderna (já parecida com a sua, só “Windows-like”) */
  --bg:#0f1115;
  --panel:#1a1d24;
  --panel2:#1a1d24;
  --text:#eaeef7;
  --muted:#a9b1c6;
  --line: rgba(255,255,255,.12);

  --cell:#2a2f3a;
  --cell2:#333a47;
  --open:#1f2430;

  --btn:#2b3342;
  --btn2:#364154;
}

/* Base XP: bordas 3D clássicas */
body[data-theme="xp"] .panel,
body[data-theme="xp"] .hud-item,
body[data-theme="xp"] .board-wrap,
body[data-theme="xp"] .rec-card,
body[data-theme="xp"] .modal-card{
  border:1px solid rgba(0,0,0,.25);
  background: var(--panel);
  box-shadow:none;
}

body[data-theme="xp"] .topbar{
  background: var(--panel);
  border-bottom:1px solid rgba(0,0,0,.25);
  backdrop-filter:none;
}

body[data-theme="xp"] .btn,
body[data-theme="xp"] .field input,
body[data-theme="xp"] .field select,
body[data-theme="xp"] .text{
  background: var(--btn);
  color: var(--text);
  border-radius:4px;
  border:1px solid rgba(0,0,0,.35);
  box-shadow:
    inset 1px 1px 0 rgba(255,255,255,.9),
    inset -1px -1px 0 rgba(0,0,0,.25);
}

body[data-theme="xp"] .btn:active{
  box-shadow:
    inset -1px -1px 0 rgba(255,255,255,.8),
    inset 1px 1px 0 rgba(0,0,0,.35);
  transform:none;
}

/* Tabuleiro mais “colado” e clássico */
.board{
  gap:0;
  padding:6px;
  background:rgba(0,0,0,.15);
}

.cell{
  /* tamanho vem de --cellSize (não altere aqui para manter espaçamento igual entre níveis) */
  border-radius:3px;
  font-size:13px;
}

/* XP: célula fechada com borda 3D */
body[data-theme="xp"] .cell{
  background: var(--cell);
  border:1px solid rgba(0,0,0,.35);
  box-shadow:
    inset 1px 1px 0 rgba(255,255,255,.95),
    inset -1px -1px 0 rgba(0,0,0,.30);
}

/* XP: célula aberta “rebaixada” */
body[data-theme="xp"] .cell.open{
  background: var(--open);
  border:1px solid rgba(0,0,0,.20);
  box-shadow:none;
}

/* Win10: célula com flat/soft */
body[data-theme="w10"] .cell{
  background: linear-gradient(180deg, var(--cell2), var(--cell));
  border:1px solid rgba(0,0,0,.25);
  border-radius:6px;
}
body[data-theme="w10"] .cell.open{
  background: var(--open);
  border-color: rgba(255,255,255,.10);
}

/* Números (clássico) – mantém suas classes n1..n8
   Se quiser o padrão clássico XP (1 azul, 2 verde, 3 vermelho...) deixe assim: */
body[data-theme="xp"] .n1{color:#0000ff}
body[data-theme="xp"] .n2{color:#008000}
body[data-theme="xp"] .n3{color:#ff0000}
body[data-theme="xp"] .n4{color:#000080}
body[data-theme="xp"] .n5{color:#800000}
body[data-theme="xp"] .n6{color:#008080}
body[data-theme="xp"] .n7{color:#000000}
body[data-theme="xp"] .n8{color:#808080}