:root {
  --bg-top: #f5d9b7;
  --bg-bottom: #f0eee6;
  --panel: rgba(255, 249, 239, 0.88);
  --panel-border: rgba(93, 67, 34, 0.18);
  --ink: #2b2319;
  --muted: #74644e;
  --accent: #b45309;
  --accent-strong: #8a2f16;
  --teal: #16697a;
  --white-square: #f8ecd8;
  --dark-square: #a06a45;
  --shadow: 0 18px 45px rgba(72, 38, 14, 0.16);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.5), transparent 28%),
    radial-gradient(circle at right 18%, rgba(180, 83, 9, 0.22), transparent 30%),
    linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
}

.page-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 18% 20%, rgba(22, 105, 122, 0.14), transparent 24%),
    radial-gradient(circle at 82% 12%, rgba(138, 47, 22, 0.12), transparent 28%);
}

.app-shell {
  position: relative;
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(2.2rem, 4vw, 4.6rem);
  line-height: 0.96;
}

.hero-copy {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 1.05rem;
}

.identity,
.panel {
  backdrop-filter: blur(18px);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
}

.identity {
  min-width: 240px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.identity-label,
.panel-head span,
.room-card-meta,
.status-copy,
.player-meta {
  color: var(--muted);
}

.ghost-button,
.primary-button,
.secondary-button {
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.ghost-button {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
}

.primary-button {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff8f0;
  box-shadow: 0 10px 24px rgba(180, 83, 9, 0.25);
}

.secondary-button {
  background: rgba(22, 105, 122, 0.12);
  color: var(--teal);
}

.ghost-button:hover,
.primary-button:hover,
.secondary-button:hover {
  transform: translateY(-1px);
}

.dashboard {
  display: grid;
  grid-template-columns: minmax(280px, 340px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.main-column {
  display: grid;
  gap: 20px;
}

.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 18px;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.2rem;
}

.auth-panel {
  margin-bottom: 20px;
}

.inline-form,
.create-room-form,
.terms-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: end;
}

.field {
  display: grid;
  gap: 8px;
  flex: 1 1 180px;
}

.field span {
  font-size: 0.92rem;
  color: var(--muted);
}

input {
  width: 100%;
  border: 1px solid rgba(93, 67, 34, 0.18);
  border-radius: 18px;
  padding: 13px 16px;
  font: inherit;
  background: rgba(255, 255, 255, 0.8);
  color: var(--ink);
}

.compact-field {
  max-width: 140px;
}

.room-list {
  display: grid;
  gap: 12px;
}

.room-card,
.player-card,
.status-box,
.empty-state {
  border-radius: 22px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(93, 67, 34, 0.1);
}

.room-card {
  display: grid;
  gap: 10px;
}

.room-card-top,
.player-row,
.status-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.room-code,
.pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 11px;
  background: rgba(22, 105, 122, 0.12);
  color: var(--teal);
  font-size: 0.9rem;
}

.pill.active {
  background: rgba(180, 83, 9, 0.14);
  color: var(--accent-strong);
}

.room-body,
.room-layout {
  display: grid;
  gap: 16px;
}

.room-layout {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.player-stack,
.status-stack {
  display: grid;
  gap: 12px;
}

.player-card strong,
.status-box strong {
  display: block;
  margin-bottom: 6px;
}

.board-wrap {
  display: flex;
  justify-content: center;
}

.board {
  width: min(100%, 620px);
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  border-radius: 28px;
  overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(93, 67, 34, 0.14), 0 18px 40px rgba(70, 38, 16, 0.18);
}

.cell {
  position: relative;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  background: var(--white-square);
}

.cell.dark {
  background: var(--dark-square);
}

.cell.clickable::after,
.cell.destination::before,
.cell.selected::after {
  content: "";
  position: absolute;
  inset: 12%;
  border-radius: 50%;
  pointer-events: none;
}

.cell.clickable::after {
  border: 2px solid rgba(255, 248, 240, 0.5);
}

.cell.selected::after {
  border: 4px solid rgba(255, 223, 152, 0.95);
}

.cell.destination::before {
  inset: 36%;
  background: rgba(255, 245, 235, 0.88);
}

.piece {
  position: absolute;
  inset: 14%;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: clamp(0.85rem, 1vw, 1rem);
  box-shadow:
    inset 0 8px 14px rgba(255, 255, 255, 0.35),
    inset 0 -10px 16px rgba(0, 0, 0, 0.12),
    0 10px 18px rgba(0, 0, 0, 0.14);
}

.piece.white {
  background: linear-gradient(180deg, #fffaf2, #e8dcc7);
  color: #6b4f28;
}

.piece.black {
  background: linear-gradient(180deg, #253238, #0e161a);
  color: #fcefd8;
}

.piece.king {
  outline: 3px solid rgba(255, 204, 102, 0.72);
}

.piece.king span {
  transform: translateY(1px);
}

.status-banner {
  border-radius: 18px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(180, 83, 9, 0.12), rgba(22, 105, 122, 0.12));
}

.status-banner strong {
  display: block;
  margin-bottom: 6px;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  max-width: 340px;
  padding: 14px 18px;
  border-radius: 18px;
  background: rgba(43, 35, 25, 0.92);
  color: #fff8f0;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.22);
}

@media (max-width: 980px) {
  .hero,
  .room-layout,
  .dashboard {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero {
    gap: 18px;
  }

  .board {
    width: min(100%, 88vw);
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: min(100% - 20px, 100%);
    padding-top: 18px;
  }

  .panel {
    padding: 18px;
  }

  .panel-head,
  .room-card-top,
  .player-row,
  .status-row {
    flex-direction: column;
    align-items: start;
  }

  .inline-form,
  .create-room-form,
  .terms-controls,
  .action-row {
    flex-direction: column;
    align-items: stretch;
  }

  .compact-field {
    max-width: none;
  }
}