:root {
  --bg: #eef6f2;
  --panel: #ffffff;
  --table: #15694f;
  --table-dark: #0f4f3d;
  --text: #102019;
  --muted: #5d7168;
  --border: #d6e6de;
  --accent: #0f7b5f;
  --accent-2: #f2b84b;
  --danger: #c83232;
  --shadow: 0 14px 40px rgba(10, 50, 35, 0.12);
  --card-w: 78px;
  --card-h: 110px;
  --gap: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, select { font: inherit; }
.app {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: stretch;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 20px;
}
.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
}
h1 { margin: 0; font-size: clamp(28px, 4vw, 44px); }
.subtitle { margin: 8px 0 0; color: var(--muted); line-height: 1.45; }
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(72px, 1fr));
  gap: 10px;
  min-width: 300px;
}
.stats div {
  border-radius: 16px;
  background: #f7fbf9;
  border: 1px solid var(--border);
  padding: 12px;
  text-align: center;
}
.stats span { display: block; font-size: 23px; font-weight: 900; }
.stats small { color: var(--muted); }
.controls {
  margin: 16px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: end;
}
.controls label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
}
select, button {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel);
  color: var(--text);
  padding: 11px 14px;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
#newGame, #deal {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
  font-weight: 800;
}
.daily-toggle.is-active {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #2d2006;
  font-weight: 800;
}
.message {
  background: #fff9e9;
  border: 1px solid #f2dfaa;
  color: #6c4d08;
  border-radius: 16px;
  padding: 12px 14px;
  margin-bottom: 16px;
}
.leaderboard-panel {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fbfdfc;
  padding: 16px 18px;
  margin-bottom: 16px;
}
.leaderboard-panel--top {
  border-top: 0;
  margin-top: 0;
  padding-top: 0;
  margin-bottom: 18px;
}
.leaderboard-panel__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
}
.leaderboard-panel__header h2 {
  margin: 0;
  font-size: 1.1rem;
}
.leaderboard-panel__actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.leaderboard-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.secondary-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.leaderboard-toggle {
  display: none;
}
.leaderboard-panel.is-collapsed {
  display: none;
}
.leaderboard-status {
  margin: 0 0 12px;
  color: var(--muted);
  font-weight: 700;
}
.leaderboard-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
}
.leaderboard-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.leaderboard-table th,
.leaderboard-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.leaderboard-table th {
  background: #f4f8f6;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: .82rem;
}
.leaderboard-table tbody tr:last-child td {
  border-bottom: 0;
}
.result-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 94px;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 800;
  font-size: .8rem;
}
.result-badge--solved {
  background: #e6f6ee;
  color: #0c6a45;
}
.result-badge--unresolved {
  background: #fff4dc;
  color: #9b6400;
}
.stock-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  background: var(--table-dark);
  border-radius: 20px 20px 0 0;
  padding: 14px;
}
.stock {
  width: var(--card-w);
  height: var(--card-h);
  background: linear-gradient(145deg, #144f91, #0d2c58);
  color: white;
  border: 2px solid rgba(255,255,255,.35);
  display: grid;
  place-items: center;
  padding: 8px;
}
.stock strong { font-size: 24px; }
.foundations { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.foundation {
  width: 46px;
  height: 64px;
  border-radius: 9px;
  border: 2px dashed rgba(255,255,255,.35);
  color: rgba(255,255,255,.75);
  display: grid;
  place-items: center;
  font-weight: 900;
}
.foundation.done {
  background: rgba(255,255,255,.92);
  color: var(--accent);
  border-style: solid;
}
.tableau {
  display: grid;
  grid-template-columns: repeat(10, minmax(62px, 1fr));
  gap: var(--gap);
  background: var(--table);
  min-height: 610px;
  padding: 14px;
  border-radius: 0 0 20px 20px;
  overflow-x: auto;
}
.column {
  min-width: 62px;
  border-radius: 14px;
  padding: 6px;
  background: rgba(255,255,255,.07);
  outline: 2px solid transparent;
}
.column.target { outline-color: var(--accent-2); }
.card {
  width: 100%;
  max-width: var(--card-w);
  height: var(--card-h);
  border-radius: 10px;
  background: white;
  border: 1px solid rgba(0,0,0,.16);
  box-shadow: 0 5px 10px rgba(0,0,0,.14);
  padding: 7px;
  margin: 0 auto -74px;
  position: relative;
  display: grid;
  align-content: space-between;
  user-select: none;
  cursor: pointer;
  transition: transform .12s ease, outline .12s ease;
}
.card:last-child { margin-bottom: 0; }
.card:hover { transform: translateY(-2px); }
.card.selected { outline: 3px solid var(--accent-2); transform: translateY(-6px); }
.card.face-down {
  background: linear-gradient(145deg, #17488b, #091d3e);
  border-color: rgba(255,255,255,.25);
  cursor: default;
}
.card.face-down.shared-back {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.card.face-down.shared-back::after {
  display: none;
}
.card.face-down::after {
  content: "";
  position: absolute;
  inset: 10px;
  border: 2px solid rgba(255,255,255,.28);
  border-radius: 8px;
}
.card-has-image {
  padding: 0;
  overflow: hidden;
}
.card-face-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}
.card-face-simple {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto;
  align-items: start;
  width: 100%;
  height: 100%;
}
.rank-corner {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  align-self: start;
  margin-top: 3px;
  margin-left: 4px;
  font-weight: 900;
  font-size: 1.08em;
  line-height: 1;
}
.suit-corner {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: start;
  margin-top: 4px;
  margin-right: 4px;
  font-size: .92em;
  line-height: 1;
}
.suit-main {
  grid-column: 1 / 3;
  grid-row: 3;
  justify-self: center;
  align-self: end;
  margin-bottom: 4px;
  font-size: 1.85em;
  line-height: 1;
  font-weight: 800;
}
.red { color: var(--danger); }
.black { color: #161616; }
@media (max-width: 850px) {
  :root { --card-w: 62px; --card-h: 90px; }
  .topbar { flex-direction: column; }
  .stats { min-width: 0; }
  .leaderboard-panel__header { flex-direction: column; }
  .leaderboard-panel__actions { width: 100%; }
  .leaderboard-toggle { display: inline-flex; }
  .tableau { grid-template-columns: repeat(10, minmax(0, 1fr)); overflow-x: hidden; }
  .card { margin-bottom: -60px; }
}

@media (max-width: 640px) {
  :root { --card-w: 60px; --card-h: 78px; --gap: 3px; }

  .app { padding: 12px; }
  .topbar { padding: 14px; gap: 12px; }
  .subtitle { font-size: .92rem; }
  .stats { gap: 8px; }
  .stats div { padding: 10px 8px; }
  .stats span { font-size: 18px; }
  .controls { margin: 12px 0; gap: 8px; }
  .controls label { width: 100%; }
  select, button { padding: 10px 12px; }
  .message { padding: 10px 12px; margin-bottom: 12px; font-size: .95rem; }
  .leaderboard-panel { padding: 12px 14px; margin-bottom: 12px; }
  .leaderboard-panel__actions button { flex: 1; }
  .leaderboard-status { margin-bottom: 10px; font-size: .92rem; }
  .leaderboard-table { min-width: 560px; }
  .leaderboard-table th,
  .leaderboard-table td { padding: 8px 10px; font-size: .86rem; }
  .stock-row { padding: 10px; gap: 10px; }
  .stock { width: 60px; height: 78px; padding: 6px; }
  .stock strong { font-size: 20px; }
  .foundation { width: 36px; height: 50px; font-size: .85rem; }
  .tableau { padding: 6px 4px; gap: 0; min-height: 0; overflow-x: hidden; }
  .column { min-width: 0; padding: 1px; }
  .card { width: 100%; max-width: none; height: 78px; padding: 4px; margin: 0 auto -52px; }
  .card.selected { transform: translateY(-4px); }
  .rank-corner { font-size: 1em; margin-top: 2px; margin-left: 3px; }
  .suit-corner { font-size: .85em; margin-top: 3px; margin-right: 3px; }
  .suit-main { font-size: 1.65em; margin-bottom: 3px; }
}

@media (max-width: 420px) and (orientation: portrait) {
  :root { --card-w: 48px; --card-h: 60px; --gap: 2px; }

  .app { padding: 8px; }
  .topbar { padding: 10px; border-radius: 18px; }
  .subtitle { display: none; }
  .eyebrow { font-size: 10px; margin-bottom: 2px; }
  h1 { font-size: clamp(22px, 7vw, 30px); }
  .stats { gap: 6px; }
  .stats div { padding: 8px 6px; border-radius: 12px; }
  .stats span { font-size: 16px; }
  .stats small { font-size: 11px; }
  .controls { gap: 6px; }
  .controls label { font-size: 11px; }
  select, button { padding: 8px 10px; border-radius: 12px; font-size: 13px; }
  .message { padding: 8px 10px; font-size: 13px; line-height: 1.35; }
  .leaderboard-panel { padding: 10px 12px; border-radius: 14px; }
  .leaderboard-toggle { width: 100%; justify-content: center; }
  .leaderboard-panel__header h2 { font-size: 1rem; }
  .leaderboard-table { min-width: 520px; }
  .leaderboard-table th,
  .leaderboard-table td { padding: 6px 8px; font-size: 12px; }
  .stock-row { padding: 8px; gap: 8px; border-radius: 16px 16px 0 0; }
  .stock { width: 48px; height: 60px; padding: 4px; border-radius: 10px; }
  .stock span { font-size: 12px; }
  .stock strong { font-size: 16px; }
  .foundation { width: 32px; height: 44px; border-radius: 8px; font-size: 11px; }
  .tableau { padding: 4px 3px; gap: 0; min-height: 0; overflow-x: hidden; }
  .column { padding: 1px; border-radius: 8px; }
  .card { width: 100%; max-width: none; height: 60px; padding: 2px; margin: 0 auto -38px; border-radius: 8px; }
  .card.face-down::after { inset: 5px; border-radius: 6px; }
  .card.selected { outline: 2px solid var(--accent-2); transform: translateY(-3px); }
  .rank-corner { font-size: .9em; margin-top: 2px; margin-left: 3px; }
  .suit-corner { font-size: .75em; margin-top: 3px; margin-right: 3px; }
  .suit-main { font-size: 1.45em; margin-bottom: 2px; line-height: 1; }
}