@layer reset, theme, layout, components;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { min-width: 320px; }
  body { margin: 0; }
  button, input, select { font: inherit; }
  button { color: inherit; }
}

@layer theme {
  :root {
    color-scheme: dark;
    --page: #0a0f1a;
    --surface: #111827;
    --surface-raised: #182235;
    --line: #2c3b53;
    --line-strong: #4c6080;
    --text: #edf4ff;
    --muted: #9fb0c7;
    --focus: #f5bd52;
    --blue: #3987f5;
    --yellow: #f3c64d;
    --red: #ee625c;
    --black: #7d8794;
    --teal: #35c4bd;
    --radius: 16px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--page);
    color: var(--text);
  }

  body {
    min-height: 100vh;
    background:
      radial-gradient(circle at 8% 0%, color-mix(in oklab, var(--blue) 17%, transparent), transparent 28rem),
      radial-gradient(circle at 95% 20%, color-mix(in oklab, var(--teal) 11%, transparent), transparent 34rem),
      var(--page);
  }
}

@layer layout {
  azul-app { display: block; }

  .welcome-shell {
    display: grid;
    place-items: center;
    min-height: 100svh;
    padding: clamp(12px, 4vw, 48px);
  }

  .welcome-card {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
    width: min(880px, 100%);
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: 24px;
    background: rgb(17 24 39 / 96%);
    box-shadow: 0 36px 110px rgb(0 0 0 / 48%);
  }

  .welcome-copy, .welcome-form { padding: clamp(24px, 5vw, 54px); }

  .app-shell {
    width: min(1600px, calc(100% - 24px));
    margin: 0 auto;
    padding: 10px 0 56px;
  }

  .game-bar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: center;
    min-height: 48px;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 11px;
    background: rgb(17 24 39 / 94%);
    box-shadow: 0 8px 28px rgb(0 0 0 / 28%);
    backdrop-filter: blur(16px);
  }

  .game-screen {
    display: grid;
    gap: 10px;
    margin-top: 10px;
  }

  .opponents-panel, .game-panel {
    border: 1px solid var(--line);
    border-radius: 13px;
    background: color-mix(in oklab, var(--surface) 94%, transparent);
    box-shadow: 0 14px 40px rgb(0 0 0 / 16%);
  }

  .opponents-panel {
    position: sticky;
    top: 58px;
    z-index: 20;
    padding: 9px;
    background: rgb(17 24 39 / 96%);
    backdrop-filter: blur(16px);
  }

  .strip-heading { margin: 0 3px 7px; }

  .opponents {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-color: var(--line-strong) transparent;
  }

  .play-area {
    display: grid;
    grid-template-columns: minmax(320px, 0.72fr) minmax(610px, 1.28fr);
    gap: 10px;
    align-items: start;
  }

  .game-panel {
    container-type: inline-size;
    min-width: 0;
    padding: 16px;
  }

  .section-heading {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
  }

  .sources-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    width: min(100%, 720px);
  }

  @media (max-width: 1050px) {
    .play-area { grid-template-columns: 1fr; }
    .sources-grid { width: 100%; }
  }

  @media (max-width: 700px) {
    .welcome-card { grid-template-columns: 1fr; }
    .game-bar { position: relative; }
    .opponents-panel { position: static; }
  }

  @media (max-width: 560px) {
    .app-shell { width: min(100% - 4px, 1600px); padding-top: 2px; }
    .game-bar { min-height: 44px; padding: 5px 7px; }
    .opponents-panel { top: 49px; padding: 6px; }
    .game-screen { gap: 6px; margin-top: 6px; }
    .play-area { gap: 6px; }
    .game-panel { padding: 6px; }
    .section-heading { align-items: start; }
    .menu-label { display: none; }
  }
}

@layer components {
  h1, h2, h3, p { margin-top: 0; }
  h1 { margin: 0; font-size: 1rem; line-height: 1; letter-spacing: -0.02em; }
  h2 { margin-bottom: 0; font-size: 0.92rem; }
  h3 { margin-bottom: 10px; }
  .lede, .timeline-label { color: var(--muted); }
  .eyebrow { margin-bottom: 7px; color: var(--focus); font-size: 0.72rem; font-weight: 850; letter-spacing: 0.16em; text-transform: uppercase; }

  .welcome-copy {
    position: relative;
    display: grid;
    align-content: center;
    min-height: 430px;
    background:
      linear-gradient(145deg, rgb(57 135 245 / 17%), transparent 46%),
      linear-gradient(330deg, rgb(53 196 189 / 14%), transparent 50%),
      var(--surface-raised);
  }
  .welcome-copy::after {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgb(255 255 255 / 3%) 1px, transparent 1px),
      linear-gradient(90deg, rgb(255 255 255 / 3%) 1px, transparent 1px);
    background-size: 28px 28px;
    content: "";
    pointer-events: none;
  }
  .welcome-copy > * { position: relative; z-index: 1; }
  .welcome-title { margin: 0 0 18px; font-size: clamp(3.2rem, 9vw, 6.4rem); line-height: 0.82; letter-spacing: -0.075em; }
  .welcome-lede { max-width: 32rem; margin-bottom: 30px; color: var(--muted); font-size: clamp(1rem, 2.2vw, 1.2rem); line-height: 1.55; }
  .welcome-tiles { display: flex; flex-wrap: wrap; gap: 10px; }
  .welcome-tiles .tile { width: 52px; height: 52px; flex-basis: 52px; border-radius: 12px; }

  .welcome-form { display: grid; gap: 20px; align-content: center; background: var(--surface); }
  .welcome-form h2 { font-size: 1.45rem; }
  .welcome-fields { display: grid; grid-template-columns: 1fr 1.5fr; gap: 12px; }
  .welcome-form label { display: grid; gap: 7px; color: var(--muted); font-size: 0.78rem; font-weight: 800; }
  .welcome-form input[type="number"], .welcome-form select { width: 100%; min-height: 46px; }
  .welcome-form .welcome-check { display: flex; grid-template-columns: none; gap: 10px; align-items: center; color: var(--text); }
  .welcome-check input { order: -1; width: 18px; height: 18px; min-height: 0; }
  .primary-button { min-height: 48px; border-color: color-mix(in oklab, var(--focus) 72%, var(--line)); background: var(--focus); color: #15100a; font-weight: 900; }
  .primary-button:hover:not(:disabled) { border-color: white; }
  .welcome-note { margin: 0; color: var(--muted); font-size: 0.72rem; line-height: 1.5; }
  .welcome-error { margin: 0; color: #ff9b96; font-size: 0.8rem; font-weight: 750; }

  .brand { display: flex; gap: 10px; align-items: baseline; min-width: 0; }
  .game-meta { overflow: hidden; margin: 0; color: var(--muted); font-size: 0.7rem; text-overflow: ellipsis; white-space: nowrap; }
  .strip-heading h2 { color: var(--muted); font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; }
  .header-actions { display: flex; gap: 9px; align-items: center; }
  .status-indicator {
    width: 9px;
    height: 9px;
    flex: 0 0 9px;
    border: 1px solid color-mix(in oklab, currentColor 65%, white);
    border-radius: 50%;
    background: currentColor;
    color: #66d995;
    box-shadow: 0 0 8px color-mix(in oklab, currentColor 70%, transparent);
  }
  .status-indicator.connecting, .status-indicator.busy { color: var(--focus); }
  .status-indicator.busy { animation: status-pulse 900ms ease-in-out infinite alternate; }
  .status-indicator.error { color: var(--red); }
  @keyframes status-pulse { to { opacity: 0.42; transform: scale(0.78); } }
  @media (prefers-reduced-motion: reduce) {
    .status-indicator.busy { animation: none; }
  }

  .game-menu { position: relative; flex: 0 0 auto; }
  .game-menu > summary {
    display: flex;
    gap: 6px;
    align-items: center;
    min-height: 30px;
    padding: 4px 8px;
    border: 1px solid var(--line);
    border-radius: 7px;
    background: var(--surface-raised);
    cursor: pointer;
    font-size: 0.74rem;
    font-weight: 800;
    list-style: none;
  }
  .game-menu > summary::-webkit-details-marker { display: none; }
  .game-menu > summary:hover { border-color: var(--focus); }
  .game-menu > summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
  .menu-icon { font-size: 0.9rem; line-height: 1; }

  .session-panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 40;
    width: min(580px, calc(100vw - 22px));
    padding: 14px;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: var(--surface);
    box-shadow: 0 24px 70px rgb(0 0 0 / 55%);
  }

  .toolbar, .new-game {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: end;
  }

  .new-game {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .new-game label { display: grid; gap: 5px; color: var(--muted); font-size: 0.78rem; font-weight: 700; }
  .new-game .check-label { display: flex; flex-direction: row-reverse; align-items: center; padding-bottom: 9px; }
  input, select {
    min-height: 38px;
    padding: 7px 10px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: var(--page);
    color: var(--text);
  }
  input[type="number"] { width: 118px; }

  .button {
    min-height: 38px;
    padding: 7px 12px;
    border: 1px solid var(--line-strong);
    border-radius: 9px;
    background: var(--surface-raised);
    cursor: pointer;
  }
  .button:hover:not(:disabled) { border-color: var(--focus); transform: translateY(-1px); }
  .button:disabled { opacity: 0.38; cursor: not-allowed; }
  .button:focus-visible, .source-heading:focus-visible, .source-tile:focus-visible, .legal-target:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
  .file-button { position: relative; display: inline-grid; place-items: center; }
  .file-button input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

  .picker { min-width: 0; text-align: right; }
  .picker p { margin: 0; }
  .move-prompt { color: var(--muted); font-size: 0.76rem; font-weight: 750; }
  .selection-summary { color: var(--focus); font-size: 0.68rem; text-transform: capitalize; }

  .source {
    display: grid;
    grid-template-columns: 4.75rem minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    min-height: 52px;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface-raised);
    text-align: left;
    cursor: pointer;
  }
  .source:has(.source-heading:hover:not(:disabled)), .source:has(.source-tile:hover:not(:disabled)) { border-color: var(--focus); }
  .source.selected { border-color: var(--focus); box-shadow: 0 0 0 2px color-mix(in oklab, var(--focus) 35%, transparent); }
  .source.disabled:not(.selected) { opacity: 0.58; cursor: default; }
  .source-heading {
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--text);
    font-weight: 850;
    text-align: left;
    cursor: pointer;
  }
  .source-heading:disabled { cursor: not-allowed; }
  .source-tiles { display: flex; flex-wrap: wrap; gap: 7px; align-content: start; }
  .empty-source { color: var(--muted); font-size: 0.84rem; }

  .tile {
    --tile-color: var(--black);
    display: inline-grid;
    place-items: center;
    width: 29px;
    height: 29px;
    flex: 0 0 29px;
    border: 1px solid color-mix(in oklab, var(--tile-color) 72%, white 8%);
    border-radius: 7px;
    background: var(--tile-color);
    color: #0b1018;
    font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
    font-size: 0.8rem;
    font-weight: 900;
    box-shadow: inset 0 1px 0 rgb(255 255 255 / 24%), 0 2px 5px rgb(0 0 0 / 28%);
  }
  .tile-symbol {
    display: block;
    width: 72%;
    height: 72%;
    overflow: visible;
    fill: currentColor;
    stroke: currentColor;
    pointer-events: none;
  }
  .color-blue { --tile-color: var(--blue); }
  .color-yellow { --tile-color: var(--yellow); }
  .color-red { --tile-color: var(--red); }
  .color-black { --tile-color: var(--black); }
  .color-teal { --tile-color: var(--teal); }
  .source-tile {
    padding: 0;
    cursor: pointer;
    transition: transform 130ms ease, box-shadow 130ms ease, filter 130ms ease;
  }
  .source-tile:hover:not(:disabled) { transform: translateY(-2px) scale(1.06); }
  .source-tile:disabled { cursor: not-allowed; }
  .source-tile.selected-color {
    position: relative;
    z-index: 2;
    border-color: color-mix(in oklab, var(--focus) 72%, white);
    outline: 0;
    transform: translateY(-8px) scale(1.08);
    filter: brightness(1.08) saturate(1.08);
    box-shadow:
      inset 0 1px 0 rgb(255 255 255 / 34%),
      0 10px 5px -5px rgb(0 0 0 / 70%),
      0 13px 18px -8px color-mix(in oklab, var(--tile-color) 72%, transparent);
  }
  .source-tile.selected-color:focus-visible { outline: 2px solid var(--focus); outline-offset: 0; }
  .marker { border-color: #e7edf6; background: #f7fbff; color: #101827; }
  .pattern-empty { border-color: var(--line); background: transparent; color: var(--line-strong); box-shadow: none; }

  .player-board {
    --cell: 20px;
    --cell-gap: 2px;
    --board-width: calc(
      var(--cell) + var(--cell) + var(--cell) + var(--cell) + var(--cell)
      + var(--cell-gap) + var(--cell-gap) + var(--cell-gap) + var(--cell-gap)
    );
    --row-label-width: 2rem;
    --divider-width: 1rem;
    position: relative;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface-raised);
  }
  .active-board {
    --cell: 40px;
    --cell-gap: 6px;
    width: 100%;
    padding: 20px;
  }
  .compact-board {
    --cell: 16px;
    --cell-gap: 1px;
    flex: 1 0 246px;
    padding: 9px;
    background: color-mix(in oklab, var(--surface-raised) 84%, var(--page));
  }
  .board-heading { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 10px; color: var(--muted); }
  .board-heading strong { color: var(--text); }
  .board-meta { display: flex; gap: 9px; align-items: center; }
  .marker-badge { padding: 3px 7px; border-radius: 99px; background: #f7fbff; color: #101827; font-size: 0.72rem; font-weight: 900; }
  .player-layout { display: grid; grid-template-columns: 1fr; align-items: start; }
  .board-surface { max-width: 100%; overflow-x: auto; padding: 2px 3px 8px; }
  .board-column-labels, .board-row {
    display: grid;
    grid-template-columns: var(--row-label-width) var(--board-width) var(--divider-width) var(--board-width);
    gap: var(--cell-gap);
    width: max-content;
  }
  .board-column-labels { margin-bottom: 7px; color: var(--muted); font-size: 0.68rem; font-weight: 800; letter-spacing: 0.09em; text-align: center; text-transform: uppercase; }
  .board-column-labels span:first-child { grid-column: 2; }
  .board-column-labels span:last-child { grid-column: 4; }
  .azul-board-grid { display: grid; gap: var(--cell-gap); width: max-content; }
  .board-row {
    min-height: calc(var(--cell) + 6px);
    padding: 2px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    align-items: center;
  }
  .row-label { align-self: center; color: var(--muted); font: 0.72rem ui-monospace, monospace; }
  .pattern-grid, .wall-row { display: grid; grid-template-columns: repeat(5, var(--cell)); gap: var(--cell-gap); }
  .grid-void { width: var(--cell); height: var(--cell); }
  .grid-divider { color: var(--line-strong); text-align: center; }
  .player-board .tile {
    width: var(--cell);
    height: var(--cell);
    flex-basis: var(--cell);
    border-radius: clamp(4px, calc(var(--cell) / 5), 8px);
    font-size: clamp(0.58rem, calc(var(--cell) / 3), 0.9rem);
  }
  .wall-cell.target { border-color: transparent; background: transparent; color: var(--tile-color); box-shadow: none; font-weight: 800; }
  .wall-cell.occupied { color: #090d13; font-weight: 950; }
  .wall-cell.score-highlight {
    position: relative;
    z-index: 2;
    outline: 4px solid var(--focus);
    outline-offset: 3px;
    transform: scale(1.16);
    box-shadow: 0 0 28px color-mix(in oklab, var(--focus) 70%, transparent);
  }
  .floor-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    margin-top: 14px;
    padding: 7px;
    border: 1px solid transparent;
    border-radius: 9px;
    background: transparent;
  }
  .floor-cells { display: flex; gap: var(--cell-gap); }
  .floor-cell { font-variant-numeric: tabular-nums; letter-spacing: -0.04em; }
  .compact-board .floor-row { gap: 5px; margin-top: 7px; padding: 3px; }
  .legal-target { border-color: var(--focus); cursor: pointer; box-shadow: 0 0 0 2px color-mix(in oklab, var(--focus) 25%, transparent); }
  .legal-target:hover { background: color-mix(in oklab, var(--focus) 9%, transparent); }
  .score-log { display: inline-flex; }
  .score-log-trigger {
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: 1px solid var(--line-strong);
    border-radius: 7px;
    background: var(--surface);
    color: var(--focus);
    cursor: pointer;
    font: 900 0.82rem ui-monospace, monospace;
  }
  .score-log-trigger:hover { border-color: var(--focus); }
  .score-log-trigger:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
  .score-log-body {
    width: min(360px, calc(100vw - 24px));
    max-height: min(520px, calc(100vh - 32px));
    margin: auto;
    padding: 14px;
    overflow: hidden;
    border: 1px solid var(--line-strong);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text);
    box-shadow: 0 28px 90px rgb(0 0 0 / 65%);
  }
  .score-log-body::backdrop { background: rgb(3 7 18 / 68%); backdrop-filter: blur(3px); }
  .score-log-heading { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 10px; }
  .score-log-heading span { color: var(--focus); font-weight: 850; }
  .score-log ol {
    display: grid;
    gap: 6px;
    max-height: 330px;
    overflow: auto;
    margin: 0;
    padding: 2px;
    list-style: none;
    scrollbar-color: var(--line-strong) transparent;
  }
  .score-event {
    display: grid;
    grid-template-columns: 2.4rem 1fr;
    gap: 2px 8px;
    padding: 7px 8px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: var(--surface);
  }
  .score-event[data-score-row] { cursor: help; }
  .score-event:hover, .score-event:focus-visible { border-color: var(--focus); outline: none; }
  .score-delta { grid-row: 1 / span 2; align-self: center; color: #7ce6a5; font: 900 0.95rem ui-monospace, monospace; }
  .score-event.negative .score-delta { color: #ff8b86; }
  .score-reason { font-size: 0.78rem; font-weight: 750; }
  .score-running-total { color: var(--muted); font-size: 0.68rem; }
  .empty-log { margin: 0; color: var(--muted); font-size: 0.78rem; }

  .trace {
    margin-top: 22px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
  }
  .trace summary { padding: 14px 18px; cursor: pointer; font-weight: 750; }
  .trace pre { max-height: 420px; overflow: auto; margin: 0; padding: 18px; border-top: 1px solid var(--line); color: #cbd8eb; font-size: 0.8rem; }

  .boot-message { margin: 20vh auto; text-align: center; color: var(--muted); }

  @container (max-width: 620px) {
    .active-board {
      --cell: 27px;
      --cell: clamp(20px, 7cqw, 34px);
      --cell-gap: 2px;
      --cell-gap: clamp(1px, 0.7cqw, 4px);
      --row-label-width: 1.4rem;
      --divider-width: 0.5rem;
      padding: clamp(5px, 2cqw, 10px);
    }
  }

  @media (max-width: 700px) {
    .welcome-shell { min-height: auto; padding: 8px; }
    .welcome-card { border-radius: 16px; }
    .welcome-copy { min-height: 310px; }
    .welcome-copy, .welcome-form { padding: 28px 22px; }
    .welcome-title { font-size: clamp(3.2rem, 20vw, 5.4rem); }
    .welcome-tiles .tile { width: 42px; height: 42px; flex-basis: 42px; }
  }
}