:root {
  color-scheme: light;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #17202a;
  --muted: #667085;
  --line: #d8dde6;
  --accent: #0f766e;
  --accent-2: #b45309;
  --danger: #b42318;
  --ok: #067647;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: var(--accent);
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: white;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 6px;
  cursor: pointer;
}

button:disabled {
  border-color: var(--line);
  background: #e5e7eb;
  color: var(--muted);
  cursor: not-allowed;
}

button.secondary {
  background: white;
  color: var(--accent);
}

button.warn {
  border-color: var(--accent-2);
  background: var(--accent-2);
}

input,
select {
  width: 100%;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  background: white;
}

.shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px;
}

.player-shell {
  max-width: 1320px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: white;
}

.brand {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 700;
  color: var(--ink);
}

.nav,
.nav-left,
.nav-right {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.nav-left,
.nav-right {
  flex: 1;
}

.nav-right {
  justify-content: flex-end;
}

.nav-button,
.button-link {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--accent);
  cursor: pointer;
}

.button-link {
  display: inline-flex;
  align-items: center;
}

.dropdown {
  position: relative;
  display: inline-flex;
}

.dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 10px;
  border: 1px solid #b7d7d2;
  border-radius: 6px;
  background: #eef8f6;
}

.dropdown-toggle:hover,
.dropdown.open .dropdown-toggle {
  border-color: var(--accent);
  background: #dff3ef;
}

.dropdown-toggle::after {
  content: "▾";
  font-size: 12px;
  line-height: 1;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  display: none;
  min-width: 140px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 12px 30px rgba(23, 32, 42, 0.12);
}

.dropdown-menu-right {
  left: auto;
  right: 0;
}

.dropdown.open .dropdown-menu {
  display: grid;
  gap: 8px;
}

.dropdown-menu button {
  width: 100%;
  min-height: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  text-align: left;
}

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 18px;
}

.page-head h1 {
  font-size: 28px;
  margin: 0 0 6px;
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}

.card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.card h2,
.panel h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

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

.form {
  display: grid;
  max-width: 420px;
  gap: 12px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border: 1px solid var(--line);
}

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  text-align: left;
}

.status {
  color: var(--ok);
  min-height: 22px;
}

.error {
  color: var(--danger);
}

.player-layout {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 300px;
  gap: 16px;
}

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

.player-meta {
  margin: -8px 0 14px;
}

.view-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.view-control select {
  min-width: 180px;
}

.board-host {
  min-height: 420px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.play-status-line {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
}

.replay-toolbar {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto;
  gap: 16px;
  align-items: center;
}

.replay-range {
  min-width: 0;
}

.replay-buttons {
  justify-content: flex-end;
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: rgba(23, 32, 42, 0.36);
  z-index: 20;
}

.modal-backdrop.open {
  display: flex;
}

.modal {
  width: min(520px, 100%);
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 20px 50px rgba(23, 32, 42, 0.18);
}

.modal h2 {
  margin: 0 0 8px;
  font-size: 20px;
}

.player-list {
  display: grid;
  gap: 8px;
  margin: 14px 0;
}

.player-slot {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
}

.seat-list {
  display: grid;
  gap: 10px;
}

.seat-row {
  display: grid;
  grid-template-columns: 96px minmax(160px, 1fr) auto;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: white;
}

.seat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.seat-actions button {
  min-height: 30px;
  padding: 0 10px;
}

.table-list {
  display: grid;
  gap: 10px;
}

.table-entry {
  display: grid;
  grid-template-columns: 120px minmax(160px, 1fr) auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: white;
}

.inline-action {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  margin-right: 8px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  background: white;
  color: var(--accent);
}

.skin-config-list {
  display: grid;
  gap: 14px;
}

.skin-game-section h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.skin-row-list {
  display: grid;
  gap: 10px;
}

.skin-row {
  display: grid;
  grid-template-columns: minmax(140px, 180px) minmax(180px, 1fr) auto 76px;
  gap: 10px;
  align-items: center;
}

.skin-type-name {
  color: var(--ink);
  font-weight: 700;
}

.skin-preview {
  width: 64px;
  height: 64px;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: cover;
  background: #f2f4f7;
}

pre.markdown {
  white-space: pre-wrap;
  line-height: 1.5;
}

@media (max-width: 760px) {
  .page-head,
  .player-layout {
    display: block;
  }

  .replay-toolbar {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand {
    position: static;
    transform: none;
  }

  .nav-left,
  .nav-right {
    width: 100%;
    justify-content: flex-start;
  }

  .seat-row,
  .table-entry,
  .skin-row {
    grid-template-columns: 1fr;
  }

  .board-host {
    margin-bottom: 14px;
  }
}