@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Comic+Neue:wght@400;700&display=swap');

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at top, #f0f6ff 0%, #c7ddf4 100%);
  color: #111;
}

#curling-canvas {
  width: 100vw;
  height: 100vh;
  display: block;
  cursor: crosshair;
  touch-action: none;
}

.think-timer {
  position: fixed;
  top: 16px;
  left: 16px;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #111;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.7);
  z-index: 12;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.think-timer.is-hidden {
  opacity: 0;
}

.friend-timer {
  position: fixed;
  top: 16px;
  left: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: #111;
  text-shadow: 0 1px 2px rgba(255, 255, 255, 0.7);
  z-index: 12;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.friend-timer.is-hidden {
  opacity: 0;
}

.friend-timer-row {
  display: grid;
  grid-template-columns: 84px auto;
  align-items: center;
  gap: 8px;
}

.friend-timer-label {
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.friend-timer-value {
  font-variant-numeric: tabular-nums;
}

.friend-timer-row.is-active {
  color: #0d47a1;
}

.friend-timer-row.is-red {
  color: #c62828;
}

.friend-timer-row.is-yellow {
  color: #b28704;
}

.practice-back {
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 10px 16px;
  border: none;
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.95);
  color: #0f172a;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.25);
  cursor: pointer;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease, box-shadow 180ms ease;
  z-index: 14;
}

.practice-back-icon {
  display: inline-block;
  font-size: 22px;
  line-height: 1;
  transform: translateY(1px);
}

.practice-back.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.practice-back:hover {
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.3);
}

@keyframes scoreboard-enter {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.scoreboard-container {
  position: fixed;
  bottom: 16px;
  left: 50%;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(244, 248, 255, 0.9));
  border: 1px solid rgba(109, 122, 196, 0.3);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.25);
  padding: 8px 12px;
  z-index: 10;
  pointer-events: none;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateX(-50%);
  transition: opacity 220ms ease;
}

.scoreboard-container.is-visible {
  opacity: 1;
  animation: scoreboard-enter 260ms ease;
}

.scoreboard-container table {
  border-collapse: collapse;
  font-size: 13px;
  color: #111827;
}

.scoreboard-container th,
.scoreboard-container td {
  padding: 4px 7px;
  text-align: center;
  min-width: 24px;
}

.scoreboard-container th {
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.scoreboard-container th:first-child,
.scoreboard-container td:first-child {
  text-align: left;
  padding-right: 12px;
  min-width: 64px;
}

.scoreboard-container td.total-cell,
.scoreboard-container th.total-cell {
  font-weight: 600;
  min-width: 36px;
  color: #0f172a;
}

.scoreboard-container th.active-end {
  background: rgba(17, 24, 39, 0.08);
  border-radius: 6px;
}

.scoreboard-stones {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 6px;
}

.stone-row {
  display: flex;
  align-items: center;
}

.stone-dots {
  display: grid;
  grid-template-columns: repeat(8, 15px);
  gap: 4px;
}

.stone-dot {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  border: 1px solid rgba(15, 23, 42, 0.25);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.4);
  transition: opacity 160ms ease, transform 160ms ease;
}

.stone-dot-red {
  background: #c62828;
}

.stone-dot-yellow {
  background: #f9a825;
}

.stone-dot.is-spent {
  opacity: 0.2;
  transform: scale(0.9);
}

.winner-announcement {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  padding: 24px 40px;
  background: rgba(17, 24, 39, 0.85);
  color: #f8fafc;
  border-radius: 16px;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  font-size: 32px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity 260ms ease, transform 260ms ease;
  z-index: 20;
  text-align: center;
}

.winner-announcement.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.end-score-announcement {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.96);
  padding: 18px 32px;
  background: rgba(15, 23, 42, 0.9);
  color: #f8fafc;
  border-radius: 14px;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  font-size: 26px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
  z-index: 18;
  text-align: center;
}

.end-score-announcement.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.game-menu {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.98);
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 32px 36px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.92);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
  z-index: 22;
}

.game-menu.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.game-menu button {
  min-width: 240px;
  padding: 12px 18px;
  border: none;
  border-radius: 10px;
  background: #f8fafc;
  color: #0f172a;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.game-menu button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(15, 23, 42, 0.3);
}

.multiplayer-invite {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
  z-index: 24;
}

.multiplayer-invite.visible {
  opacity: 1;
  pointer-events: auto;
}

.multiplayer-invite-card {
  width: min(420px, 90vw);
  padding: 24px 28px;
  border-radius: 16px;
  background: rgba(248, 250, 252, 0.98);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.35);
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  color: #0f172a;
}

.multiplayer-invite-card h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 600;
}

.multiplayer-invite-status {
  margin: 0;
  font-size: 14px;
  color: #334155;
}

.multiplayer-invite-colors {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: #334155;
}

.multiplayer-invite-colors p {
  margin: 0;
}

.multiplayer-invite-color-options {
  display: flex;
  gap: 12px;
}

.multiplayer-invite-color-option {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: #0f172a;
}

.multiplayer-invite-color-option input {
  accent-color: #0f172a;
}

.multiplayer-invite-link {
  display: flex;
  gap: 8px;
  align-items: center;
}

.multiplayer-invite-link input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(15, 23, 42, 0.2);
  font-size: 13px;
}

.multiplayer-invite-link button,
.multiplayer-invite-create,
.multiplayer-invite-close {
  padding: 10px 14px;
  border: none;
  border-radius: 10px;
  background: #0f172a;
  color: #f8fafc;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

.multiplayer-invite-create:disabled {
  opacity: 0.6;
  cursor: default;
}

.multiplayer-invite-close {
  align-self: flex-end;
  background: rgba(15, 23, 42, 0.85);
}

.multiplayer-invite.is-guest .multiplayer-invite-link,
.multiplayer-invite.is-guest .multiplayer-invite-colors,
.multiplayer-invite.is-guest .multiplayer-invite-create,
.multiplayer-invite.is-guest .multiplayer-invite-close {
  display: none;
}

.center-note {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.98);
  padding: 16px 24px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.85);
  color: #f8fafc;
  font-family: 'Space Grotesk', 'Segoe UI', Tahoma, sans-serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0;
  pointer-events: none;
  transition: opacity 2000ms ease, transform 2000ms ease;
  z-index: 26;
  text-align: center;
  white-space: pre-line;
}

.center-note.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}