/* ====================================================================
   Tetris — aspeto. As cores das peças estão no tetris.js, que é quem
   desenha no canvas; aqui fica só a moldura do jogo.
   ==================================================================== */

body { overflow: auto; }

.page {
  min-height: 100%;
  width: min(1020px, 100%);
  margin: 0 auto;
  padding: 14px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* ------------------------------------------------------------- barra --- */

.bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 10px;
}
.bar h1 { margin: 0; font-size: 20px; font-weight: 700; letter-spacing: -.01em; text-align: center; }
.bar-right { display: flex; gap: 8px; justify-content: flex-end; }

/* ------------------------------------------------------------ layout --- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 268px;
  gap: 18px;
  align-items: start;
}

.boardwrap {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
  /* O tabuleiro tem o dobro da altura da largura: a altura disponível é que
     manda, e os marcadores por cima acompanham a mesma medida. */
  --bh: clamp(320px, calc(100vh - 270px), 620px);
  --bw: calc(var(--bh) / 2);
}

.hud {
  display: flex;
  gap: 8px;
  width: 100%;
  max-width: calc(var(--bw) + 200px);
}
.stat {
  flex: 1;
  min-width: 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 7px 10px;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.stat .k { font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: var(--txt-dim); }
.stat strong { font-size: 19px; font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------- tabuleiro --- */

.playfield {
  display: grid;
  grid-template-columns: 88px auto 88px;
  grid-template-areas: "hold board next";
  gap: 12px;
  align-items: start;
  justify-content: center;
  max-width: 100%;
}

.board {
  grid-area: board;
  position: relative;
  width: var(--bw);
  aspect-ratio: 1 / 2;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #07120d;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0,0,0,.45), inset 0 0 0 1px rgba(255,255,255,.03);
  overflow: hidden;
}
canvas { display: block; }

/* Caixas da peça guardada e das seguintes. */
.rail {
  background: linear-gradient(180deg, rgba(28,44,35,.9), rgba(15,25,20,.9));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.rail.hold { grid-area: hold; }
.rail.next { grid-area: next; }
.rail h3 {
  margin: 0;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--txt-dim);
  font-weight: 700;
}

/* Ecrãs sobre o tabuleiro: início, pausa e fim de jogo. */
.veil {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  padding: 14px;
  background: rgba(6, 16, 11, .86);
  backdrop-filter: blur(3px);
}
.veil.on { display: grid; }
.vbox { text-align: center; display: flex; flex-direction: column; gap: 10px; align-items: center; max-width: 260px; }
.vbox h2 { margin: 0; font-size: 23px; font-weight: 800; }
.vscore { margin: 0; font-size: 42px; font-weight: 800; color: var(--gold); line-height: 1; font-variant-numeric: tabular-nums; }
.vsub { margin: 0; color: var(--txt-dim); font-size: 13px; }
.vsub .rec { color: var(--gold); }
.vhint { margin: 2px 0 0; color: var(--txt-dim); font-size: 12px; }
.vsent { margin: 0; font-size: 13px; color: #7ee2ad; }
.sendrow { display: flex; gap: 6px; width: 100%; }
.sendrow input { flex: 1; min-width: 0; padding: 8px 10px; }

/* Aviso do que se acabou de fazer (tetris, T-spin, combo...). */
.callout {
  position: absolute;
  left: 0; right: 0;
  top: 30%;
  text-align: center;
  font-size: clamp(15px, 4.5vw, 20px);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--gold);
  text-shadow: 0 2px 10px rgba(0,0,0,.75);
  pointer-events: none;
  animation: callout 1.1s ease-out forwards;
}
.callout .sub { display: block; font-size: 11.5px; font-weight: 600; color: var(--txt); letter-spacing: .06em; }
@keyframes callout {
  0% { opacity: 0; transform: translateY(10px) scale(.9); }
  18% { opacity: 1; transform: translateY(0) scale(1); }
  75% { opacity: 1; }
  100% { opacity: 0; transform: translateY(-14px); }
}

/* --------------------------------------------------------- comandos --- */

.pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-areas:
    "hold ccw cw"
    "drop drop drop"
    "left down right";
  gap: 8px;
  width: min(300px, 100%);
  margin-top: 2px;
}
.padbtn {
  background: rgba(255,255,255,.06);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 0;
  font-size: 17px;
  cursor: pointer;
  touch-action: manipulation;
  user-select: none;
}
.padbtn:active { background: rgba(255,255,255,.18); }
.padbtn.hold { grid-area: hold; }
.padbtn.ccw { grid-area: ccw; }
.padbtn.cw { grid-area: cw; }
.padbtn.drop { grid-area: drop; font-size: 14px; font-weight: 600; padding: 11px 0; }
.padbtn.left { grid-area: left; }
.padbtn.down { grid-area: down; }
.padbtn.right { grid-area: right; }

.hint { margin: 0; color: var(--txt-dim); font-size: 12px; text-align: center; max-width: 460px; line-height: 1.9; }
kbd {
  font: inherit;
  font-size: 11px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 5px;
  margin: 0 1px;
  background: rgba(255,255,255,.05);
}

/* ------------------------------------------------------------ painel --- */

.side { display: flex; flex-direction: column; gap: 14px; }

.card {
  background: linear-gradient(180deg, rgba(28,44,35,.9), rgba(15,25,20,.9));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
}
.card h2 {
  margin: 0 0 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .09em;
  color: var(--txt-dim);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card h2 + .seg { margin-bottom: 14px; }
.card .note { margin: 10px 0 0; font-size: 11.5px; color: var(--txt-dim); }
.icon-btn.small { width: 24px; height: 24px; font-size: 12px; }

.seg {
  display: flex;
  gap: 4px;
  background: rgba(0,0,0,.28);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 4px;
}
.segbtn {
  flex: 1;
  background: transparent;
  border: 0;
  border-radius: 8px;
  padding: 7px 4px;
  font-size: 12.5px;
  color: var(--txt-dim);
  cursor: pointer;
}
.segbtn:hover { color: var(--txt); background: rgba(255,255,255,.05); }
.segbtn.on { background: linear-gradient(#2ea36a, #1c7b4c); color: #06170f; font-weight: 700; }

.scorelist { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.scorelist li {
  display: grid;
  grid-template-columns: 20px 1fr auto auto;
  align-items: baseline;
  gap: 8px;
  padding: 5px 6px;
  border-radius: 8px;
  font-size: 13px;
}
.scorelist li:nth-child(odd) { background: rgba(255,255,255,.035); }
.scorelist li:first-child .pos,
.scorelist li:first-child .sc { color: var(--gold); }
.scorelist .pos { color: var(--txt-dim); font-size: 11px; text-align: right; }
.scorelist .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.scorelist .md { font-size: 10px; text-transform: uppercase; letter-spacing: .05em; color: var(--txt-dim); }
.scorelist .sc { font-weight: 700; font-variant-numeric: tabular-nums; }
.scorelist .empty { color: var(--txt-dim); font-size: 12.5px; display: block; }

/* ------------------------------------------------------------- toast --- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translateX(-50%);
  background: #17251d;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 16px;
  font-size: 13.5px;
  box-shadow: 0 12px 30px rgba(0,0,0,.5);
  z-index: 20;
}
.toast.bad { border-color: rgba(255,107,107,.5); color: #ffb3b3; }

/* ------------------------------------------------------------ estreito --- */

@media (max-width: 860px) {
  .layout { grid-template-columns: minmax(0, 1fr); }
  .side { width: min(560px, 100%); margin: 0 auto; }
}

/* Sem espaço aos lados, as caixas passam para cima do tabuleiro. */
@media (max-width: 720px) {
  .boardwrap { --bh: clamp(300px, calc(100vh - 400px), 560px); }
  .playfield {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-areas:
      "hold next"
      "board board";
    justify-items: center;
    width: 100%;
  }
  .rail { width: 100%; flex-direction: row; justify-content: center; align-items: center; }
  .hud { max-width: min(420px, 100%); }
}

@media (prefers-reduced-motion: reduce) {
  .callout { animation: none; }
}