@font-face {
  font-family: 'Riichi-Mahjong';
  src: url('fonts/Riichi-Mahjong-Colorful.woff2') format('woff2'),
       url('fonts/Riichi-Mahjong-Colorful.woff') format('woff');
  unicode-range: U+1F000-1F02F;
}
@font-face {
  font-family: 'Riichi-Mahjong-Mono';
  src: url('fonts/Riichi-Mahjong-Monochrome.woff2') format('woff2'),
       url('fonts/Riichi-Mahjong-Monochrome.woff') format('woff');
  unicode-range: U+1F000-1F02F;
}

:root {
  --table-green: #0a5c2a;
  --table-dark: #064d22;
  --table-light: #0e7a38;
  --tile-back: #f5f0e0;
  --tile-border: #8b7355;
  --tile-shadow: #6b5335;
  --gold: #c9a84c;
  --red: #cc3333;
  --blue: #2255aa;
  --text-light: #f0f0e0;
  --text-dark: #2a1a0a;
  --shadow: rgba(0,0,0,0.5);
  --panel-bg: rgba(0,0,0,0.6);
}

* { margin:0; padding:0; box-sizing:border-box; }

html, body {
  width:100%; height:100%;
  overflow:hidden;
  font-family: 'Riichi-Mahjong','Noto Sans JP','Noto Sans TC','Microsoft JhengHei','PingFang TC',sans-serif;
  background: var(--table-dark);
  color: var(--text-light);
  user-select: none;
}
body.font-mono {
  font-family: 'Riichi-Mahjong-Mono','Noto Sans JP','Noto Sans TC','Microsoft JhengHei','PingFang TC',sans-serif;
}

/* ===== Title Screen ===== */

#title-screen {
  position:fixed; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  background: linear-gradient(135deg, var(--table-dark), var(--table-green));
  z-index:100;
}

#title-screen h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  color: var(--gold);
  text-shadow: 2px 2px 8px var(--shadow);
  letter-spacing: 0.15em;
}

.title-tiles {
  font-size: clamp(1.5rem, 3vw, 3rem);
  opacity: 0.7;
  letter-spacing: 0.3em;
}

.option-group {
  margin-bottom: 1.2em;
  text-align:center;
}

.option-group label {
  display:block;
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  margin-bottom: 0.4em;
  color: var(--gold);
}

.option-row {
  display:flex; gap:0.8em; justify-content:center; flex-wrap:wrap;
}

.option-btn {
  padding: 0.4em 1em;
  border: 2px solid var(--tile-border);
  border-radius: 6px;
  background: var(--tile-back);
  color: var(--text-dark);
  font-size: clamp(0.8rem, 1.1vw, 1rem);
  cursor:pointer;
  transition: all 0.15s;
  font-family:inherit;
}

.option-btn:hover { background: #e8dcc0; transform:translateY(-1px); }

.option-btn.selected {
  background: var(--gold);
  border-color: #a08020;
  color: #1a0a00;
}

.difficulty-select {
  padding: 0.4em 0.8em;
  border: 2px solid var(--tile-border);
  border-radius: 6px;
  background: var(--tile-back);
  color: var(--text-dark);
  font-size: clamp(0.8rem, 1.1vw, 1rem);
  font-family:inherit;
  cursor:pointer;
}

#start-btn {
  margin-top: 0.5em;
  padding: 0.7em 2.5em;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), #b8922a);
  color: #1a0a00;
  cursor:pointer;
  font-weight:bold;
  letter-spacing: 0.1em;
  transition: all 0.2s;
  font-family:inherit;
  box-shadow: 0 2px 8px var(--shadow);
}

#start-btn:hover { transform:translateY(-2px); box-shadow: 0 4px 12px var(--shadow); }
#start-btn:active { transform:translateY(0); }

/* ===== Game Screen ===== */

#game-screen {
  position:fixed; inset:0;
  display:none;
  background: radial-gradient(ellipse at center, var(--table-green), var(--table-dark));
}

#table {
  position:relative;
  width:100%; height:100%;
}

/* Opponent positions */
.opponent-area {
  position:absolute;
  display:flex;
  flex-direction:column;
  align-items:center;
}

.opponent-area .player-name {
  font-size: clamp(0.7rem, 1vw, 0.9rem);
  margin-bottom:2px;
  text-shadow: 0 1px 3px var(--shadow);
}

.opponent-area .player-score {
  font-size: clamp(0.65rem, 0.9vw, 0.8rem);
  color: var(--gold);
}

.opponent-area .tiles-row {
  display:flex; gap:0;
}

.opponent-area .tile-char {
  font-size: clamp(1.6rem, 2.6vw, 2.1rem);
  opacity: 0.85;
}

/* Tighter tile spacing in hands & discards */
.opponent-area .tiles-row .tile-char {
  margin-right: 0px;
}
#opponent-left .tiles-row .tile-char,
#opponent-right .tiles-row .tile-char {
  margin-right: 0;
  margin-bottom: -24px;
}
.opponent-discards .tile-char,
#player-discards .tile-char {
  margin-right: 0;
}
#opponent-top .opponent-discards .tile-char {
  margin-right: 0;
}
#opponent-left .opponent-discards .tile-char,
#opponent-right .opponent-discards .tile-char {
  margin-right: 0;
  margin-bottom: -12px;
}

#opponent-top .tiles-row {
  gap: clamp(1px, 0.3vw, 3px);
}
#opponent-top {
  top: 2%;
  left: 50%;
  transform: translateX(-50%);
}

#opponent-left {
  left: 1%;
  top: 50%;
  transform: translateY(-50%);
}

#opponent-right {
  right: 1%;
  top: 50%;
  transform: translateY(-50%);
}

.opponent-melds {
  display:flex; gap:clamp(2px, 0.4vw, 5px);
}

.opponent-melds .meld-group {
  display:flex;
}

#opponent-left .opponent-melds .tile-char,
#opponent-right .opponent-melds .tile-char {
  margin-bottom: -24px;
}
#player-melds .tile-char.called,
#opponent-top .opponent-melds .tile-char.called {
  display: inline-block;
  transform: rotate(90deg);
  margin: 0 5px;
}
#opponent-left .opponent-melds .tile-char.called {
  display: inline-block;
  transform: rotate(180deg);
}
#opponent-right .opponent-melds .tile-char.called {
  display: inline-block;
  transform: rotate(0deg);
}

/* Riichi tile rotation - rotate the entire centered box */
.riichi-tile {
  position: relative;
  transform: rotate(90deg);
  z-index: 5;
  white-space: nowrap;
}

#opponent-top .riichi-tile {
  transform: rotate(90deg);
}

#opponent-left .riichi-tile {
  transform: rotate(180deg) !important;
}

#opponent-right .riichi-tile {
  transform: rotate(0deg) !important;
}

.opponent-discards {
  display: grid;
  /* Use square cells to accommodate both vertical and horizontal (riichi) tiles */
  grid-template-columns: repeat(12, 1.8em);
  grid-auto-rows: 1.8em;
  gap: 0;
  margin-top: 2px;
  width: max-content;
  height: auto;
  align-content: start;
}

.opponent-discards .tile-char {
  font-size: clamp(1.3rem, 2.2vw, 1.7rem);
  opacity:0.6;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  line-height: 1;
}

.opponent-discards .tile-char.called,
#player-discards .tile-char.called {
  opacity:0.15 !important;
}

/* Side opponents: vertical tiles with rotation */
#opponent-right .tiles-row,
#opponent-left .tiles-row {
  align-items: center;
  gap: 0;
}
#opponent-left .tiles-row {
  flex-direction: column;
}
#opponent-right .tiles-row {
  flex-direction: column-reverse;
}

#opponent-right .opponent-discards,
#opponent-left .opponent-discards {
  grid-template-columns: repeat(2, 1.8em);
  grid-template-rows: repeat(12, 1.8em);
  grid-auto-flow: column;
  height: auto;
  width: auto;
}

#opponent-right .tiles-row .tile-char,
#opponent-right .opponent-melds .tile-char,
#opponent-right .opponent-discards .tile-char {
  transform: rotate(270deg);
}

#opponent-left .tiles-row .tile-char,
#opponent-left .opponent-melds .tile-char,
#opponent-left .opponent-discards .tile-char {
  transform: rotate(90deg);
}

#opponent-left .opponent-hand-row {
  flex-direction: column-reverse;
}
#opponent-right .opponent-hand-row {
  flex-direction: column;
}

#opponent-right .opponent-melds,
#opponent-left .opponent-melds {
  flex-direction: column;
  align-items: center;
  gap: 0px;
}

#opponent-right .opponent-melds .meld-group,
#opponent-left .opponent-melds .meld-group {
  flex-direction: column;
  align-items: center;
}

/* Opponent last-draw slot */
.opponent-last-draw {
  display:flex;
  align-items:center;
}
.opponent-last-draw .tile-char {
  font-size:clamp(1.6rem, 2.6vw, 2.1rem);
  width:1.15em; text-align:center;
}
#opponent-top .opponent-last-draw {
  margin-right:calc(1.6rem - 0.5em);
}
#opponent-left .opponent-last-draw {
  margin-bottom:calc(1.6rem - 0.5em);
}
#opponent-right .opponent-last-draw {
  margin-bottom:calc(1.6rem - 0.5em);
}
#opponent-left .opponent-last-draw .tile-char {
  transform:rotate(90deg);
}
#opponent-right .opponent-last-draw .tile-char {
  transform:rotate(270deg);
}
.opponent-last-draw .tile-char.hidden {
  visibility:hidden;
}

/* Side opponent discard positioning */
#opponent-left .opponent-discards {
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
}

#opponent-right .opponent-discards {
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
}

/* Center info */
#center-info {
  position:absolute;
  top:50%; left:50%;
  transform:translate(-50%,-50%);
  text-align:center;
}

#center-info .round-label {
  font-size: clamp(0.8rem, 1.2vw, 1rem);
  color: var(--gold);
}

#center-info .wall-count {
  font-size: clamp(0.7rem, 1vw, 0.85rem);
  margin-top:2px;
  opacity:0.7;
}

#dora-area {
  margin-top:6px;
  display:flex; gap:clamp(2px, 0.3vw, 4px); justify-content:center;
}

#dora-area .tile-char {
  font-size: clamp(1.2rem, 2vw, 1.8rem);
  border:1px solid var(--tile-border);
  border-radius:3px;
  background: var(--tile-back);
  color: var(--text-dark);
  padding:1px 3px;
}

#dora-area .tile-back {
  background: #2a5a3a;
  color: #4a8a5a;
  border-color: #1a3a2a;
  opacity:0.7;
}

/* Player area (bottom) */
#player-area {
  position:absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  padding-bottom: 0.5em;
  padding-right: clamp(0px, 10vw, 200px);
  background: linear-gradient(transparent, rgba(0,0,0,0.3));
}

/* Game Log */
#game-log {
  position: absolute;
  right: 6px;
  bottom: 6px;
  display: flex;
  flex-direction: column;
  width: max(140px, 16vw);
  max-width: 180px;
  max-height: 200px;
  background: rgba(0,0,0,0.55);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  font-size: clamp(0.55rem, 0.75vw, 0.65rem);
  line-height: 1.4;
  font-family: inherit;
  backdrop-filter: blur(2px);
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}

#log-drag-handle {
  cursor: grab;
  user-select: none;
  text-align: center;
  padding: 2px 0 1px;
  color: rgba(255,255,255,0.35);
  font-size: 0.7rem;
  line-height: 1;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
#log-drag-handle:active { cursor: grabbing; }

#log-entries {
  flex: 1;
  overflow-y: auto;
  padding: 3px 6px 4px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.15) transparent;
}

#log-entries .log-entry {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.85;
}

#log-entries .log-turn {
  opacity: 0.5;
  margin-right: 2px;
}

#log-entries .log-player {
  color: var(--gold);
  margin-right: 2px;
}

#player-info {
  display:flex;
  align-items:center;
  gap:1em;
  margin-bottom: 4px;
}

#player-info .player-name {
  font-size: clamp(0.8rem, 1.2vw, 1rem);
  font-weight:bold;
}
.player-name.riichi-active::before {
  content: "●";
  color: #e74c3c;
  margin-right: 4px;
  font-size: 0.85em;
}

#player-info .player-score {
  font-size: clamp(0.8rem, 1.2vw, 1rem);
  color: var(--gold);
}

#player-hand-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5em;
}

.opponent-hand-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.5em;
}

#player-melds {
  display:flex; gap:clamp(3px, 0.6vw, 8px); margin-bottom:4px;
}

#player-melds .meld-group {
  display:flex; gap:clamp(1px, 0.3vw, 3px);
  border:1px solid var(--tile-border);
  border-radius:4px;
  padding:clamp(1px, 0.2vw, 3px) clamp(2px, 0.4vw, 5px);
  background: rgba(245,240,224,0.15);
}

#player-melds .tile-char {
  font-size: clamp(1.5rem, 2.5vw, 2.2rem);
}

#player-hand {
  display:flex;
  justify-content:center;
  gap: clamp(1px, 0.3vw, 3px);
  padding: 4px 0;
}

#player-hand .tile-slot {
  display:flex; flex-direction:column; align-items:center;
  cursor:pointer;
  transition: transform 0.1s;
  position:relative;
}

#player-hand .tile-slot:hover {
  transform: translateY(clamp(-4px, -0.6vw, -8px));
  z-index:10;
}

#player-hand .tile-char {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  border: 1px solid var(--tile-border);
  border-radius: 4px;
  background: var(--tile-back);
  color: var(--text-dark);
  padding: clamp(1px, 0.2vw, 3px) clamp(2px, 0.4vw, 5px);
  box-shadow: 0 2px 4px var(--shadow);
  line-height: 1.1;
  transition: box-shadow 0.15s;
}

#player-hand .tile-slot:hover .tile-char {
  box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

#player-hand .tile-slot.selected .tile-char {
  border-color: var(--red);
  box-shadow: 0 0 0 2px var(--red);
}

#player-hand .tile-label {
  font-size: clamp(0.5rem, 0.7vw, 0.6rem);
  color: rgba(240,240,224,0.5);
  margin-top:1px;
}

#player-hand .tile-gap {
  width: 1.5em;
  flex-shrink: 0;
}

/* Tenpai indicator */
.tenpai-indicator {
  display: flex;
  gap: 0.15em;
  align-items: center;
  align-self: flex-start;
  background: rgba(0,0,0,0.75);
  border: 1px solid var(--gold);
  border-radius: 5px;
  padding: 2px 6px;
  font-size: clamp(0.65rem, 0.9vw, 0.75rem);
  white-space: nowrap;
  margin-top: 3px;
}
.tenpai-indicator .tenpai-label-main {
  color: var(--gold);
  font-weight: bold;
  margin-right: 0.15em;
}
.tenpai-indicator .tenpai-tile {
  margin-left: 0.1em;
}
.tenpai-indicator .tenpai-tile-name {
  opacity: 0.55;
  font-size: 0.85em;
  margin-right: 0.3em;
}
.tenpai-indicator .tenpai-warning {
  color: #e74c3c;
}
.tenpai-indicator .tenpai-tile.furiten-wait {
  text-decoration: line-through;
  opacity: 0.5;
}

#player-hand .last-draw-slot .tile-char {
  border-color: var(--gold);
  box-shadow: 0 0 6px var(--gold), 0 2px 4px var(--shadow);
}

/* Discard pile */
#player-discards {
  display: grid;
  /* Use square cells to accommodate both vertical and horizontal (riichi) tiles */
  grid-template-columns: repeat(12, 2.6em);
  grid-auto-rows: 2.6em;
  gap: 0;
  margin-bottom: clamp(6px, 1vw, 14px);
  width: max-content;
  height: auto;
  align-content: start;
}

#player-discards .tile-char {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  opacity: 0.7;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  line-height: 1;
}

/* Controls */
#controls {
  position: fixed;
  right: clamp(15%, 38%, 40%);
  bottom: clamp(6rem, 12vh, 8rem);
  display: flex;
  gap: 6px;
  z-index: 20;
  pointer-events: none;
}

#controls > * {
  pointer-events: auto;
}

#controls button, #auto-btn-container button {
  padding: 0.4em 1em;
  font-size: clamp(0.75rem, 1vw, 0.9rem);
  border: 2px solid var(--tile-border);
  border-radius: 6px;
  background: var(--tile-back);
  color: var(--text-dark);
  cursor:pointer;
  transition: all 0.15s;
  font-family:inherit;
  font-weight:bold;
  min-width: 56px;
}

#controls button:hover { background: #e8dcc0; transform:translateY(-1px); }
#controls button:disabled { opacity:0.4; cursor:default; transform:none; }
#controls button.primary { background: var(--gold); border-color: #a08020; }
#controls button.danger { background: var(--red); border-color: #992222; color:var(--text-light); }
button.auto-btn { background: #446688; border-color: #335577; color:var(--text-light); position:fixed; bottom:1rem; left:1rem; z-index:50; }
button.auto-btn:hover { background: #5577aa; }

/* ===== Rotation Overlay ===== */

#rotation-message {
  display: none;
  position: fixed; inset: 0;
  z-index: 100;
  align-items: center; justify-content: center;
  background: var(--table-dark);
  color: var(--gold);
  font-size: clamp(1.2rem, 4vw, 2rem);
  text-align: center;
  padding: 2em;
  line-height: 1.6;
}

@media (max-width: 520px) and (orientation: portrait) {
  body.game-active #rotation-message { display: flex; }
  body.game-active #table { display: none !important; }
}

/* ===== Result Screen ===== */

#result-screen {
  position:fixed; inset:0;
  display:none;
  background: var(--panel-bg);
  z-index:200;
  align-items:center; justify-content:center;
  backdrop-filter:blur(4px);
}

#result-content {
  background: linear-gradient(135deg, #1a3a1a, #0a2a0a);
  border: 2px solid var(--gold);
  border-radius: 12px;
  padding: 2em 3em;
  min-width: 320px;
  max-width: 500px;
  text-align:center;
  box-shadow: 0 0 30px rgba(0,0,0,0.8);
}

#result-content h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--gold);
  margin-bottom: 1em;
  text-shadow: 0 2px 4px var(--shadow);
}

#stats-area { margin-bottom: 1.5em; }

.result-stats-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 0.6em;
  font-size: clamp(0.8rem, 1.1vw, 0.95rem);
}

.result-stats-table th {
  color: var(--gold);
  opacity: 0.8;
  padding: 0.3em 0.5em;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.result-stats-table td {
  padding: 0.3em 0.5em;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  text-align: center;
}

.result-stats-table td:nth-child(2) { text-align: left; }
.result-stats-table td:nth-child(3) { font-weight: bold; }
.result-stats-table .rank-first td {
  color: var(--gold);
  font-weight: bold;
  font-size: clamp(0.85rem, 1.2vw, 1rem);
}

.result-summary {
  font-size: clamp(0.75rem, 1vw, 0.85rem);
  opacity: 0.7;
  text-align: center;
}

#back-btn {
  padding: 0.6em 2em;
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  border: none;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--gold), #b8922a);
  color: #1a0a00;
  cursor:pointer;
  font-weight:bold;
  font-family:inherit;
  transition: all 0.2s;
}

#back-btn:hover { transform:translateY(-2px); box-shadow: 0 4px 12px var(--shadow); }

/* ===== Round Result Overlay ===== */

#round-result {
  position:fixed; inset:0;
  display:none;
  background: var(--panel-bg);
  z-index:150;
  align-items:center; justify-content:center;
}

#round-result-content {
  background: linear-gradient(135deg, #1a3a1a, #0a2a0a);
  border: 2px solid var(--gold);
  border-radius: 12px;
  padding: 1em 2em;
  min-width: 300px;
  max-width: 440px;
  text-align:center;
  box-shadow: 0 0 30px rgba(0,0,0,0.8);
}

#round-result-content h3 {
  color: var(--gold);
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  margin-bottom: 0.2em;
}

#round-result-content .detail {
  margin: 0.1em 0;
  font-size: clamp(0.75rem, 1vw, 0.85rem);
  opacity:0.85;
}

#round-result-content .yaku-list {
  margin: 0.5em 0;
  font-size: clamp(0.75rem, 1vw, 0.85rem);
  opacity:0.8;
}
#round-result-content .yaku-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3em;
  justify-content: center;
}
#round-result-content .yaku-item {
  display: inline-block;
  padding: 0.1em 0.45em;
  background: rgba(255,255,255,0.07);
  border-radius: 4px;
  font-size: clamp(0.75rem, 1vw, 0.85rem);
  line-height: 1.5;
}
#round-result-content .yaku-total-line {
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: 0.3em;
  padding-top: 0.15em;
  font-weight: bold;
  font-size: clamp(0.75rem, 1vw, 0.85rem);
}

#round-result-content .score-big {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--gold);
  margin: 0.15em 0;
}

/* ===== Redesigned Result Sections ===== */

#round-result-content .result-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  flex-wrap: wrap;
}
#round-result-content .result-header h3 {
  margin-bottom: 0;
}

#round-result-content .section {
  margin: 0.3em 0;
  padding: 0.15em 0;
}
#round-result-content .section-title {
  color: var(--gold);
  font-size: clamp(0.65rem, 0.85vw, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.15em;
  opacity: 0.7;
}

#round-result-content .score-section {
  padding: 0.25em 0;
}
#round-result-content .score-breakdown {
  font-size: clamp(0.6rem, 0.8vw, 0.7rem);
  opacity: 0.5;
  margin-top: 0.05em;
}
#round-result-content .rank-label {
  font-size: clamp(0.8rem, 1.1vw, 0.9rem);
  color: #ffd700;
  margin-top: 0.1em;
  font-weight: bold;
}

#round-result-content .payment-entries {
  text-align: left;
  max-width: 340px;
  margin: 0 auto;
}
#round-result-content .payment-row {
  padding: 0.1em 0;
}
#round-result-content .payment-row-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#round-result-content .payment-player {
  font-size: clamp(0.75rem, 1vw, 0.85rem);
}
#round-result-content .payment-suffix {
  opacity: 0.45;
  font-size: 0.8em;
  margin-left: 0.25em;
}
#round-result-content .payment-amount {
  font-weight: bold;
  font-size: clamp(0.8rem, 1.1vw, 0.9rem);
  font-variant-numeric: tabular-nums;
}
#round-result-content .payment-amount.positive {
  color: #4cdf50;
}
#round-result-content .payment-amount.negative {
  color: #ff6b6b;
}
#round-result-content .payment-amount.zero {
  color: #555;
  font-weight: normal;
}
#round-result-content .payment-detail {
  font-size: clamp(0.55rem, 0.75vw, 0.65rem);
  opacity: 0.4;
  line-height: 1.2;
}

#round-result-content .yaku-badge {
  display: inline-block;
  padding: 0.15em 0.6em;
  border-radius: 4px;
  font-size: clamp(0.65rem, 0.9vw, 0.75rem);
  font-weight: bold;
  line-height: 1.4;
}
#round-result-content .yaku-badge.yakuman {
  background: #c0392b;
  color: #fff;
}

#round-result-content .result-footer {
  margin-top: 0.3em;
  padding-top: 0.2em;
  border-top: 1px solid rgba(201, 168, 76, 0.15);
  font-size: 0.8em;
  opacity: 0.75;
  line-height: 1.3;
}

#next-round-btn {
  margin-top:0.5em;
  padding: 0.4em 1.5em;
  font-size: clamp(0.75rem, 1vw, 0.85rem);
  border: none;
  border-radius: 6px;
  background: var(--gold);
  color: #1a0a00;
  cursor:pointer;
  font-weight:bold;
  font-family:inherit;
}

/* Chi selection modal */
#chi-modal {
  position:fixed; inset:0;
  display:none;
  background:rgba(0,0,0,0.6);
  z-index:200;
  align-items:center; justify-content:center;
}
#chi-modal-content {
  background: linear-gradient(135deg, #1a3a1a, #0a2a0a);
  border: 2px solid var(--gold);
  border-radius: 12px;
  padding: 1.5em 2em;
  text-align: center;
  min-width: 280px;
  box-shadow: 0 0 30px rgba(0,0,0,0.5);
}
#chi-modal-content h3 {
  color: var(--gold);
  margin: 0 0 1em;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}
#chi-options {
  display: flex;
  flex-direction: column;
  gap: 0.6em;
  margin-bottom: 1em;
}
#chi-options button {
  padding: 0.6em 1.2em;
  font-size: clamp(1rem, 1.5vw, 1.3rem);
  background: var(--tile-back);
  color: var(--text-dark);
  border: 1px solid var(--tile-border);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}
#chi-options button:hover {
  background: #e8dcc8;
  border-color: var(--gold);
}
#chi-cancel {
  padding: 0.4em 1.5em;
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}
#chi-cancel:hover {
  background: rgba(255,255,255,0.1);
}

/* Riichi selection modal */
#riichi-modal {
  position:fixed; inset:0;
  display:none;
  background:rgba(0,0,0,0.6);
  z-index:200;
  align-items:center; justify-content:center;
}
#riichi-modal-content {
  background: linear-gradient(135deg, #1a3a1a, #0a2a0a);
  border: 2px solid var(--gold);
  border-radius: 12px;
  padding: 1.5em 2em;
  text-align: center;
  min-width: 320px;
  box-shadow: 0 0 30px rgba(0,0,0,0.5);
}
#riichi-modal-content h3 {
  color: var(--gold);
  margin: 0 0 1em;
  font-size: clamp(1rem, 1.5vw, 1.2rem);
}
#riichi-options {
  display: flex;
  flex-direction: column;
  gap: 0.6em;
  margin-bottom: 1em;
}
#riichi-options button {
  padding: 0.6em 1.2em;
  font-size: clamp(0.85rem, 1.3vw, 1.1rem);
  background: var(--tile-back);
  color: var(--text-dark);
  border: 1px solid var(--tile-border);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.5;
}
#riichi-options button:hover {
  background: #e8dcc8;
  border-color: var(--gold);
}
#riichi-options .riichi-discard {
  font-weight: bold;
  margin-right: 0.5em;
}
#riichi-options .riichi-waits {
  color: #555;
  font-size: 0.9em;
}
#riichi-cancel {
  padding: 0.4em 1.5em;
  font-size: clamp(0.85rem, 1.2vw, 1rem);
  background: transparent;
  color: var(--text-light);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
}
#riichi-cancel:hover {
  background: rgba(255,255,255,0.1);
}

/* ===== Responsive ===== */

@media (max-width: 768px) {
  #player-hand .tile-char { font-size: clamp(1.8rem, 5.5vw, 2.5rem); }
  #controls button { padding: 0.3em 0.7em; font-size: clamp(0.65rem, 2vw, 0.8rem); }
  .opponent-area .tile-char { font-size: clamp(1.1rem, 3.5vw, 1.5rem); }
  #result-content { min-width: 260px; padding: 1.5em; }
  #round-result-content { min-width: 260px; }
  #chi-modal-content, #riichi-modal-content { min-width: 240px; }
}

@media (max-width: 420px) {
  #result-content, #round-result-content { min-width: 90vw; padding: 1em; }
  #chi-modal-content, #riichi-modal-content { min-width: 85vw; }
}

/* Short viewport (mobile landscape, small screens) */
@media (max-height: 500px) {
  #title-screen h1 { font-size: clamp(1.4rem, 5vw, 2rem); }
  .title-tiles { font-size: clamp(0.9rem, 2.5vw, 1.3rem); }
  .option-group { margin-bottom: 0.4em; }
  .option-group label { font-size: clamp(0.65rem, 1.5vw, 0.85rem); margin-bottom: 0.2em; }
  .option-btn { padding: 0.2em 0.6em; font-size: clamp(0.6rem, 1.5vw, 0.8rem); }
  .difficulty-select { padding: 0.15em 0.4em; font-size: clamp(0.6rem, 1.5vw, 0.8rem); }
  .option-row { gap: 0.4em; }
  #start-btn { padding: 0.35em 1.5em; font-size: clamp(0.8rem, 2vw, 1rem); margin-top: 0.2em; }
}

/* Mobile landscape tweaks */
@media (max-height: 500px) and (orientation: landscape) {
  #player-discards { grid-template-columns: repeat(12, 1.4em); grid-auto-rows: 1.4em; }
  #player-discards .tile-char { font-size: clamp(0.9rem, 2.2vw, 1.3rem); }
  .opponent-discards { grid-template-columns: repeat(12, 1.1em); grid-auto-rows: 1.1em; }
  #opponent-right .opponent-discards,
  #opponent-left .opponent-discards { grid-template-columns: repeat(2, 1.1em); grid-template-rows: repeat(12, 1.1em); }
  .opponent-area .tile-char { font-size: clamp(0.8rem, 1.8vw, 1.2rem); }
  #player-area { padding-right: 0; padding-bottom: 0.1em; }
  #player-hand .tile-char { font-size: clamp(1.2rem, 3vw, 1.8rem); }
  #player-melds .tile-char { font-size: clamp(0.85rem, 2vw, 1.2rem); }
  #opponent-top { top: 0; }
  #center-info { top: 50%; }
  #player-info { gap: 0.2em; margin-bottom: 0; }
  #player-info .player-name,
  #player-info .player-score { font-size: clamp(0.55rem, 1.3vw, 0.75rem); }
  #dora-area { margin-top: 1px; }
  #dora-area .tile-char { font-size: clamp(0.6rem, 1.5vw, 0.9rem); }
  #dora-area .tile-back { font-size: clamp(0.6rem, 1.5vw, 0.9rem); }
  #opponent-left .tiles-row .tile-char,
  #opponent-right .tiles-row .tile-char { margin-bottom: -8px; }
  #opponent-left .opponent-melds .tile-char,
  #opponent-right .opponent-melds .tile-char { margin-bottom: -8px; }
  #opponent-left .opponent-discards .tile-char,
  #opponent-right .opponent-discards .tile-char { margin-bottom: -4px; }
  #round-result-content { max-height: 85vh; overflow-y: auto; padding: 0.8em; scrollbar-width: thin; }
  #round-result-content .score-big { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
  #round-result-content .detail,
  #round-result-content .yaku-item,
  #round-result-content .payment-player,
  #round-result-content .payment-amount { font-size: clamp(0.6rem, 1.5vw, 0.75rem); }
}