:root {
  --bg-top: #080b1f;
  --bg-bottom: #171032;
  --ink: #f2f4ff;
  --muted: #9da9cb;
  --panel: rgba(15, 20, 54, 0.76);
  --panel-soft: rgba(16, 23, 61, 0.58);
  --panel-strong: rgba(13, 18, 48, 0.96);
  --border: rgba(121, 145, 255, 0.22);
  --accent: #67f7da;
  --accent-strong: #5b63f6;
  --shadow: rgba(0, 0, 0, 0.42);
  --board-bg: #080d24;
  --board-tile: rgba(255, 255, 255, 0.035);
  --board-tile-alt: rgba(255, 255, 255, 0.055);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: "Trebuchet MS", "Avenir Next", sans-serif;
  background:
    radial-gradient(circle at 18% 20%, rgba(71, 87, 255, 0.25), transparent 26%),
    radial-gradient(circle at 82% 14%, rgba(80, 240, 218, 0.12), transparent 22%),
    radial-gradient(circle at 80% 86%, rgba(218, 79, 255, 0.14), transparent 22%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

body {
  padding:
    calc(12px + env(safe-area-inset-top))
    calc(12px + env(safe-area-inset-right))
    calc(12px + env(safe-area-inset-bottom))
    calc(12px + env(safe-area-inset-left));
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

button,
a,
.board-grid {
  touch-action: manipulation;
}

button {
  appearance: none;
  border: 0;
  font: inherit;
}

.game-shell {
  max-width: 980px;
  min-height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 24px);
  margin: 0 auto;
}

.game-board {
  display: grid;
  gap: 12px;
  min-height: 100%;
  padding: 12px;
  border-radius: 32px;
  background:
    linear-gradient(155deg, rgba(92, 111, 255, 0.13), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    rgba(7, 10, 30, 0.78);
  border: 1px solid var(--border);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 28px 60px var(--shadow);
}

.top-strip,
.bottom-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.chip-cluster {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip-cluster-compact {
  flex-wrap: nowrap;
}

.hud-chip,
.overlay-button {
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 16px;
  font-weight: 900;
}

.hud-link,
.hud-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--border);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

.compare-link { color: var(--accent); }
.hint-button { color: #ffe477; }
.hint-button span { display: inline-grid; min-width: 20px; min-height: 20px; margin-left: 4px; place-items: center; border-radius: 99px; background: rgba(255,228,119,.15); }

.hud-button {
  cursor: pointer;
}

.hud-button:disabled {
  opacity: 0.42;
  cursor: default;
  box-shadow: none;
}

.hud-button-soft {
  background: rgba(18, 24, 62, 0.78);
}

.stats-strip {
  display: grid;
  grid-template-columns: repeat(7, minmax(68px, 1fr));
  gap: 6px;
  padding: 6px;
  border-radius: 18px;
  background: rgba(10, 14, 39, 0.62);
  border: 1px solid var(--border);
  box-shadow: 0 12px 24px rgba(0,0,0,.18);
}

.stat-chip {
  padding: 8px 10px;
  border-radius: 13px;
  background: rgba(25, 32, 77, 0.56);
  border: 1px solid rgba(125, 147, 255, 0.12);
}

.gate-chip { gap: 7px; color: var(--muted); font-size: 12px; }
.gate-chip strong { color: var(--accent); font-size: 15px; }
.gate-chip.hidden { display: none; }
.condition-chip { gap: 7px; color: var(--muted); font-size: 12px; }
.condition-chip strong { color: #91ead8; font-size: 13px; }
.condition-chip.hidden { display: none; }

.stat-label,
.overlay-label {
  display: block;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-value {
  display: block;
  margin-top: 4px;
  font-size: clamp(17px, 1.9vw, 22px);
  font-weight: 900;
}

.stat-value-word { font-size: clamp(13px, 1.5vw, 17px); color: var(--accent); }

.board-stage {
  display: grid;
  place-items: center;
  padding: 8px 0;
}

.board-frame {
  position: relative;
  width: min(86vw, 78vh, 760px);
  aspect-ratio: 1 / 1;
  border-radius: 34px;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 18%, rgba(96, 119, 255, 0.12), transparent 28%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0)),
    var(--board-bg);
  border: 1px solid rgba(112, 138, 255, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 22px 54px rgba(0, 0, 0, 0.38),
    0 0 80px rgba(75, 91, 255, 0.1);
}

.board-frame.is-complete {
  border-color: rgba(103, 247, 218, .88);
  box-shadow: inset 0 0 38px rgba(103,247,218,.16), 0 0 62px rgba(103,247,218,.32);
  animation: board-complete 620ms ease-out;
}

@keyframes board-complete { 40% { transform: scale(1.015); } }

.board-aura { position: absolute; inset: -30%; background: conic-gradient(from 0deg, transparent, rgba(91,99,246,.08), transparent 35%, rgba(103,247,218,.06), transparent 72%); animation: orbit 18s linear infinite; pointer-events: none; }
@keyframes orbit { to { transform: rotate(1turn); } }

.board-grid,
.pipes-layer {
  position: absolute;
  inset: 0;
}

.board-grid {
  display: grid;
  touch-action: none;
  z-index: 1;
}

.board-cell {
  position: relative;
  border: 1px solid rgba(132, 151, 220, 0.09);
  background:
    linear-gradient(180deg, var(--tile-a), var(--tile-b));
}

.board-cell::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 12px;
  background: var(--fill, transparent);
  box-shadow: inset 0 0 14px var(--fill, transparent);
  transition: background 100ms ease, box-shadow 100ms ease;
}

.board-cell.is-endpoint::before {
  content: "";
  position: absolute;
  inset: 22%;
  z-index: 2;
  border-radius: 999px;
  background:
    radial-gradient(circle at 34% 30%, rgba(255, 255, 255, 0.72), transparent 28%),
    var(--endpoint-color, white);
  box-shadow: 0 0 0 6px rgba(255,255,255,.06), 0 0 24px var(--endpoint-color, white);
}

.board-cell.is-endpoint.is-active::before {
  box-shadow:
    0 0 0 8px rgba(255, 255, 255, 0.14),
    0 0 0 2px rgba(255, 255, 255, 0.34);
}

.board-cell.is-blocked {
  background:
    linear-gradient(135deg, rgba(87, 96, 137, .2) 25%, transparent 25%) 0 0 / 12px 12px,
    linear-gradient(315deg, rgba(87, 96, 137, .16) 25%, transparent 25%) 0 0 / 12px 12px,
    rgba(3, 6, 20, .92);
  box-shadow: inset 0 0 18px rgba(0,0,0,.55);
}

.board-cell.is-blocked::after {
  inset: 28%;
  border: 1px solid rgba(140, 151, 197, .22);
  border-radius: 7px;
  background: rgba(2, 4, 15, .7);
  box-shadow: 0 0 12px rgba(91,99,246,.1);
}

.board-cell.is-overpass {
  background:
    radial-gradient(circle at center, rgba(103,247,218,.13) 0 26%, transparent 27%),
    linear-gradient(180deg, var(--tile-a), var(--tile-b));
  box-shadow: inset 0 0 16px rgba(103,247,218,.08);
}

.board-cell.is-overpass::after {
  inset: 14%;
  border: 1px solid rgba(215,231,255,.2);
  border-radius: 11px;
  background: rgba(3,7,24,.38);
  box-shadow: inset 0 0 12px rgba(103,247,218,.08);
}

.pipes-layer {
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 2;
}

.status-line {
  margin: 0;
  min-height: 24px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  color: #b6c1e1;
}

.status-wrap { flex: 1; min-width: 190px; }
.connection-track { height: 5px; margin-top: 7px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.08); }
.connection-track span { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #5b63f6, #67f7da); box-shadow: 0 0 14px #67f7da; transition: width 160ms ease; }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  align-items: start;
  justify-items: center;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding:
    calc(18px + env(safe-area-inset-top))
    calc(18px + env(safe-area-inset-right))
    calc(18px + env(safe-area-inset-bottom))
    calc(18px + env(safe-area-inset-left));
  background: rgba(3, 5, 18, 0.66);
  backdrop-filter: blur(9px);
}

.overlay.hidden {
  display: none;
}

.overlay-card {
  width: min(520px, 100%);
  margin: auto 0;
  padding: 28px 24px 24px;
  border-radius: 28px;
  background: linear-gradient(155deg, rgba(22,29,72,.98), rgba(8,12,35,.98));
  border: 1px solid rgba(119, 145, 255, .3);
  box-shadow: 0 28px 80px rgba(0,0,0,.48), 0 0 60px rgba(91,99,246,.14);
}

.overlay-title {
  margin: 10px 0 0;
  font-size: clamp(34px, 5vw, 52px);
  line-height: 0.96;
}

.overlay-title span { color: var(--accent); text-shadow: 0 0 26px rgba(103,247,218,.28); }

.clear-seal {
  display: grid;
  width: 70px;
  height: 70px;
  margin: 8px 0 18px;
  place-items: center;
  border: 1px solid rgba(103,247,218,.56);
  border-radius: 50%;
  color: #071a20;
  background: linear-gradient(145deg, #baffed, #52e5c8);
  box-shadow: 0 0 34px rgba(103,247,218,.36);
  font-size: 34px;
  font-weight: 900;
}

.overlay-copy {
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.45;
  color: var(--muted);
}

.career-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 16px;
  padding: 11px 12px;
  border: 1px solid rgba(119,145,255,.2);
  border-radius: 16px;
  color: var(--muted);
  background: rgba(5,9,28,.56);
  font-size: 12px;
  font-weight: 800;
}

.career-stat strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
}

.overlay-button {
  margin-top: 18px;
  color: white;
  width: 100%;
  background: linear-gradient(135deg, var(--accent-strong), #914de8);
  box-shadow: 0 14px 32px rgba(74, 69, 224, 0.3);
  cursor: pointer;
}

.pack-label { display: block; margin-top: 20px; color: #aeb9da; font-size: 11px; font-weight: 900; letter-spacing: .13em; text-transform: uppercase; }
.pack-select { width: 100%; margin-top: 7px; padding: 13px 14px; border: 1px solid rgba(119,145,255,.24); border-radius: 14px; color: #edf1ff; background: rgba(5,9,28,.72); font: inherit; }
.feature-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.feature-row span { padding: 6px 9px; border-radius: 99px; color: #a9b5d7; background: rgba(103,247,218,.06); font-size: 11px; }
.pause-overlay { z-index: 12; }
.pause-card { text-align: center; border-color: rgba(103,247,218,.26); }
kbd { display: inline-block; padding: 3px 8px; border: 1px solid rgba(255,255,255,.24); border-bottom-width: 3px; border-radius: 7px; color: white; background: rgba(255,255,255,.08); font: 800 12px/1.2 inherit; }
.daily-note { margin: 9px 0 0; color: #91ead8; font-size: 12px; line-height: 1.4; }
.daily-note.hidden { display: none; }
.checkpoint-button { margin-top: 9px; padding: 8px 11px; border: 1px solid rgba(255,126,199,.28); border-radius: 11px; color: #ffc8e7; background: rgba(255,126,199,.08); font: inherit; font-size: 11px; font-weight: 900; cursor: pointer; }
.checkpoint-button.hidden { display: none; }

@media (max-width: 780px) {
  body {
    padding:
      calc(8px + env(safe-area-inset-top))
      calc(8px + env(safe-area-inset-right))
      calc(8px + env(safe-area-inset-bottom))
      calc(8px + env(safe-area-inset-left));
  }

  .game-board {
    padding: 8px;
    border-radius: 24px;
  }

  .top-strip,
  .bottom-strip {
    flex-direction: column;
    align-items: stretch;
  }

  .chip-cluster,
  .chip-cluster-compact {
    justify-content: space-between;
  }

  .stats-strip {
    width: 100%;
    grid-template-columns: repeat(4, 1fr);
  }

  .career-summary { grid-template-columns: repeat(2, 1fr); }

  .board-frame {
    width: min(94vw, calc(100dvh - 240px), 680px);
    border-radius: 22px;
  }

  .status-line {
    text-align: center;
  }

  .overlay-card {
    padding: 22px 18px 18px;
    border-radius: 22px;
  }
}