/* ═══════════════════════════════════════
   YACHT DICE — Dark Theme
   ═══════════════════════════════════════ */

:root {
  --bg: #0a0e14;
  --bg2: #111620;
  --bg3: #161c27;
  --bg4: #1c2333;
  --text: #e8edf5;
  --text2: #8b97b0;
  --text3: #4a5568;
  --accent: #3b82f6;
  --accent-glow: rgba(59,130,246,0.35);
  --accent2: #8b5cf6;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --border: #1e2a3a;
  --border2: #2a3a50;
  --die-bg: #f5f7fa;
  --die-dot: #1a1f2e;
  --die-shadow: rgba(0,0,0,0.6);
  --held-border: #3b82f6;
  --held-glow: rgba(59,130,246,0.5);
  --overlay: rgba(5,8,14,0.92);
  --radius: 12px;
  --radius-lg: 18px;
  --radius-die: 14px;
}

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

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Pretendard', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100dvh;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
}

#app {
  width: 100%;
  max-width: 960px;
  height: 100dvh;
  position: relative;
  overflow: hidden;
}

/* ── Screens ── */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  transition: opacity 0.25s;
}

.screen.hidden {
  display: none;
}

.screen.active {
  display: flex;
}

/* ═══════════════════════════════════════
   START SCREEN
   ═══════════════════════════════════════ */
#start-screen {
  background: var(--bg);
  align-items: center;
  justify-content: center;
}

.start-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 32px 24px;
  max-width: 380px;
  width: 100%;
}

.start-logo {
  font-size: 72px;
  filter: drop-shadow(0 0 24px rgba(59,130,246,0.4));
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.start-title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: 2px;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.start-sub {
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--text3);
  text-transform: uppercase;
  margin-top: -10px;
}

.best-score-display {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  padding: 10px 20px;
}

.best-score-label {
  font-size: 13px;
  color: var(--text2);
}

.best-score-val {
  font-size: 22px;
  font-weight: 700;
  color: var(--yellow);
}

.start-rules {
  text-align: center;
  color: var(--text2);
  font-size: 13px;
  line-height: 1.8;
  margin-top: 8px;
}

/* ═══════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.15s, box-shadow 0.15s;
  font-family: inherit;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: linear-gradient(135deg, #3b82f6, #6366f1);
  color: #fff;
  box-shadow: 0 4px 20px rgba(59,130,246,0.35);
  width: 100%;
  max-width: 280px;
}

.btn-primary:hover {
  box-shadow: 0 4px 28px rgba(59,130,246,0.5);
}

.btn-roll {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff;
  box-shadow: 0 4px 20px rgba(34,197,94,0.3);
  width: 100%;
  font-size: 17px;
  padding: 16px 24px;
}

.btn-roll:hover:not(:disabled) {
  box-shadow: 0 4px 28px rgba(34,197,94,0.45);
}

.btn-roll:disabled {
  background: var(--bg4);
  color: var(--text3);
  box-shadow: none;
  cursor: default;
}

.btn-ghost {
  background: var(--bg3);
  color: var(--text2);
  border: 1px solid var(--border2);
  width: 100%;
  max-width: 280px;
}

.btn-ghost:hover {
  background: var(--bg4);
  color: var(--text);
}

.btn-icon {
  font-size: 18px;
}

.icon-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text2);
  border-radius: var(--radius);
  width: 40px;
  height: 40px;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s;
  font-family: inherit;
}

.icon-btn:hover {
  background: var(--bg4);
  color: var(--text);
}

/* ═══════════════════════════════════════
   GAME SCREEN — LAYOUT
   ═══════════════════════════════════════ */
#game-screen {
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

/* Header */
.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg2);
  flex-shrink: 0;
}

.turn-info {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-size: 14px;
  color: var(--text2);
}

.turn-num {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
}

.turn-sep, .turn-total {
  color: var(--text3);
}

.header-score {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.score-label {
  font-size: 13px;
  color: var(--text2);
}

.score-val {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
}

/* Game layout */
.game-layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: 0;
}

/* ── Dice panel ── */
.dice-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px 16px;
  gap: 20px;
  flex: 1;
  overflow-y: auto;
}

/* ── Dice row ── */
.dice-area {
  width: 100%;
}

.dice-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── Individual die ── */
.die-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.die-wrap.inactive {
  pointer-events: none;
}

.hold-label {
  font-size: 11px;
  color: transparent;
  letter-spacing: 0.5px;
  font-weight: 600;
  transition: color 0.15s;
}

.die-wrap.held .hold-label {
  color: var(--accent);
}

.die {
  width: 70px;
  height: 70px;
  border-radius: var(--radius-die);
  background: var(--die-bg);
  box-shadow: 0 4px 16px var(--die-shadow), inset 0 1px 0 rgba(255,255,255,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: transform 0.15s, box-shadow 0.2s, border 0.2s;
  border: 3px solid transparent;
}

.die-wrap.held .die {
  border-color: var(--held-border);
  box-shadow: 0 4px 20px var(--held-glow), 0 0 0 2px var(--held-glow), inset 0 1px 0 rgba(255,255,255,0.8);
  transform: scale(1.05);
}

.die-wrap:not(.held):hover .die {
  transform: scale(1.04);
  box-shadow: 0 6px 20px var(--die-shadow), inset 0 1px 0 rgba(255,255,255,0.8);
}

/* Rolling animation */
.die.rolling {
  animation: dieRoll 0.5s ease-out;
}

@keyframes dieRoll {
  0%   { transform: rotate(0deg) scale(1); }
  20%  { transform: rotate(-15deg) scale(0.92) translateY(-4px); }
  40%  { transform: rotate(12deg) scale(1.08) translateY(-6px); }
  60%  { transform: rotate(-8deg) scale(0.96) translateY(-3px); }
  80%  { transform: rotate(5deg) scale(1.03) translateY(-1px); }
  100% { transform: rotate(0deg) scale(1) translateY(0); }
}

.die-wrap.held .die.rolling {
  animation: none;
}

/* Die face — dots */
.die-face {
  width: 100%;
  height: 100%;
  position: relative;
  border-radius: var(--radius-die);
}

/* dot positions using data-value on .die-face */
.dot {
  position: absolute;
  width: 11px;
  height: 11px;
  background: var(--die-dot);
  border-radius: 50%;
}

/* 1 */
.die-face[data-val="1"] .dot-c { top: 50%; left: 50%; transform: translate(-50%,-50%); }

/* 2 */
.die-face[data-val="2"] .dot-tl { top: 18%; left: 18%; transform: translate(-50%,-50%); }
.die-face[data-val="2"] .dot-br { top: 82%; left: 82%; transform: translate(-50%,-50%); }

/* 3 */
.die-face[data-val="3"] .dot-tl { top: 18%; left: 18%; transform: translate(-50%,-50%); }
.die-face[data-val="3"] .dot-c  { top: 50%; left: 50%; transform: translate(-50%,-50%); }
.die-face[data-val="3"] .dot-br { top: 82%; left: 82%; transform: translate(-50%,-50%); }

/* 4 */
.die-face[data-val="4"] .dot-tl { top: 25%; left: 25%; transform: translate(-50%,-50%); }
.die-face[data-val="4"] .dot-tr { top: 25%; left: 75%; transform: translate(-50%,-50%); }
.die-face[data-val="4"] .dot-bl { top: 75%; left: 25%; transform: translate(-50%,-50%); }
.die-face[data-val="4"] .dot-br { top: 75%; left: 75%; transform: translate(-50%,-50%); }

/* 5 */
.die-face[data-val="5"] .dot-tl { top: 25%; left: 25%; transform: translate(-50%,-50%); }
.die-face[data-val="5"] .dot-tr { top: 25%; left: 75%; transform: translate(-50%,-50%); }
.die-face[data-val="5"] .dot-c  { top: 50%; left: 50%; transform: translate(-50%,-50%); }
.die-face[data-val="5"] .dot-bl { top: 75%; left: 25%; transform: translate(-50%,-50%); }
.die-face[data-val="5"] .dot-br { top: 75%; left: 75%; transform: translate(-50%,-50%); }

/* 6 */
.die-face[data-val="6"] .dot-tl { top: 25%; left: 25%; transform: translate(-50%,-50%); }
.die-face[data-val="6"] .dot-tr { top: 25%; left: 75%; transform: translate(-50%,-50%); }
.die-face[data-val="6"] .dot-ml { top: 50%; left: 25%; transform: translate(-50%,-50%); }
.die-face[data-val="6"] .dot-mr { top: 50%; left: 75%; transform: translate(-50%,-50%); }
.die-face[data-val="6"] .dot-bl { top: 75%; left: 25%; transform: translate(-50%,-50%); }
.die-face[data-val="6"] .dot-br { top: 75%; left: 75%; transform: translate(-50%,-50%); }

/* ── Roll area ── */
.roll-area {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.roll-count {
  font-size: 14px;
  opacity: 0.85;
}

.roll-pips {
  display: flex;
  gap: 8px;
  align-items: center;
}

.roll-pip {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg4);
  border: 1px solid var(--border2);
  transition: background 0.2s, border-color 0.2s;
}

.roll-pip.active {
  background: var(--green);
  border-color: var(--green);
  box-shadow: 0 0 6px rgba(34,197,94,0.5);
}

.roll-hint {
  font-size: 12px;
  color: var(--text3);
  text-align: center;
}

/* Mobile scorecard toggle */
.mobile-only {
  display: none;
}

/* ── Score panel ── */
.score-panel {
  width: 280px;
  flex-shrink: 0;
  border-left: 1px solid var(--border);
  background: var(--bg2);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.score-panel-inner {
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.score-panel-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text2);
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* Score sections */
.score-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.section-header {
  font-size: 11px;
  font-weight: 600;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 6px;
  background: var(--bg3);
  border-radius: 6px;
  margin-bottom: 4px;
}

.score-rows {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.score-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  border: 1px solid transparent;
  position: relative;
}

.score-row.available {
  background: var(--bg3);
  border-color: var(--border);
}

.score-row.available:hover {
  background: rgba(59,130,246,0.12);
  border-color: rgba(59,130,246,0.35);
  transform: translateX(2px);
}

.score-row.available:hover .cat-score {
  color: var(--accent);
}

.score-row.used {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

.score-row.zero-used {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

.score-row.preview {
  background: rgba(59,130,246,0.08);
  border-color: rgba(59,130,246,0.2);
}

.cat-name {
  font-size: 13px;
  color: var(--text2);
}

.score-row.used .cat-name,
.score-row.zero-used .cat-name {
  color: var(--text3);
}

.cat-score {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  min-width: 36px;
  text-align: right;
}

.cat-score.preview-val {
  color: var(--accent);
}

/* Bonus rows */
.bonus-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  margin-top: 4px;
}

.bonus-label {
  font-size: 12px;
  color: var(--text3);
}

.bonus-val {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
}

.bonus-highlight .bonus-val {
  color: var(--yellow);
}

.bonus-earned {
  color: var(--green) !important;
}

/* Total */
.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 10px;
  background: var(--bg3);
  border-radius: var(--radius);
  border: 1px solid var(--border2);
  margin-top: 4px;
}

.total-label {
  font-size: 14px;
  font-weight: 700;
  color: var(--text2);
}

.total-val {
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
}

/* ═══════════════════════════════════════
   RESULT OVERLAY
   ═══════════════════════════════════════ */
.overlay-screen {
  background: var(--overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.result-content {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  width: 100%;
  max-width: 400px;
  max-height: 90dvh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin: 16px;
}

.result-icon {
  font-size: 56px;
  animation: pop 0.4s cubic-bezier(0.34,1.56,0.64,1);
}

@keyframes pop {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.result-title {
  font-size: 24px;
  font-weight: 800;
}

.result-score-main {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.result-score-num {
  font-size: 52px;
  font-weight: 900;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.result-score-unit {
  font-size: 22px;
  color: var(--text2);
}

.result-best-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg3);
  border-radius: var(--radius);
  padding: 8px 16px;
  border: 1px solid var(--border);
}

.result-best-label {
  font-size: 13px;
  color: var(--text3);
}

.result-best-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--yellow);
}

.new-best-badge {
  background: var(--green);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

.new-best-badge.hidden {
  display: none;
}

/* Breakdown */
.result-breakdown {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.breakdown-section {
  background: var(--bg3);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

.breakdown-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 12px;
  background: var(--bg4);
}

.breakdown-rows {
  display: flex;
  flex-direction: column;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 12px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}

.breakdown-row:first-child {
  border-top: none;
}

.breakdown-cat {
  color: var(--text2);
}

.breakdown-score {
  font-weight: 700;
  color: var(--text);
}

.breakdown-score.zero {
  color: var(--text3);
}

.breakdown-bonus {
  padding: 7px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow);
}

.breakdown-bonus.no-bonus {
  display: none;
}

.result-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  align-items: center;
}

/* ═══════════════════════════════════════
   RESPONSIVE — MOBILE
   ═══════════════════════════════════════ */
@media (max-width: 640px) {
  .score-panel {
    display: none;
    position: absolute;
    inset: 0;
    top: 53px; /* below header */
    width: 100%;
    z-index: 50;
    border-left: none;
    border-top: 1px solid var(--border);
  }

  .score-panel.mobile-open {
    display: flex;
  }

  .mobile-only {
    display: flex;
  }

  .dice-panel {
    width: 100%;
  }

  .die {
    width: 58px;
    height: 58px;
  }

  .dice-row {
    gap: 8px;
  }

  .dot {
    width: 9px;
    height: 9px;
  }

  .game-layout {
    flex-direction: column;
  }

  .btn-toggle-score {
    font-size: 14px;
    padding: 10px 20px;
  }
}

@media (max-width: 360px) {
  .die {
    width: 50px;
    height: 50px;
  }

  .dice-row {
    gap: 6px;
  }

  .dot {
    width: 8px;
    height: 8px;
  }
}