/* StoneSync — Minimal, Elegant & Modern Design System */
:root {
  --bg-dark: #080C14;
  --bg-card: rgba(15, 22, 36, 0.75);
  --bg-card-hover: rgba(22, 32, 51, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(245, 158, 11, 0.4);
  
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  --accent-gold: #F59E0B;
  --accent-cyan: #38BDF8;
  --accent-emerald: #10B981;
  --accent-red: #F43F5E;

  --board-kaya-base: #D9A066;
  --board-kaya-dark: #B87B40;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-card: 0 12px 32px -4px rgba(0, 0, 0, 0.6);
  --glow-gold: 0 0 20px rgba(245, 158, 11, 0.25);
  --glow-cyan: 0 0 20px rgba(56, 189, 248, 0.25);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-dark);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(245, 158, 11, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(56, 189, 248, 0.04) 0%, transparent 40%);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: hidden;
}

.app-wrapper {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 12px 20px;
  min-height: 100vh;
}

/* --- Navbar --- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  display: flex;
  align-items: center;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand-title span {
  color: var(--accent-gold);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.room-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.side-switcher {
  display: flex;
  align-items: center;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 2px;
}

.btn-side {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-side:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.btn-side.active {
  background: var(--accent-amber);
  color: #0F172A;
  font-weight: 700;
  box-shadow: 0 0 10px rgba(245, 158, 11, 0.4);
}

/* Top Bar MP3 Player Widget */
.mp3-player-widget {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-full);
  padding: 3px 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
}

.btn-mp3-ctrl {
  background: transparent;
  border: none;
  color: var(--text-main);
  font-size: 0.8rem;
  padding: 2px 5px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-mp3-ctrl:hover {
  transform: scale(1.15);
  background: rgba(255, 255, 255, 0.1);
}

.btn-mp3-play {
  font-size: 0.9rem;
}

.mp3-track-info {
  display: flex;
  flex-direction: column;
  max-width: 140px;
  overflow: hidden;
  line-height: 1.15;
}

.mp3-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-gold);
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.mp3-time {
  font-size: 0.62rem;
  color: var(--text-muted);
}



.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.online {
  background: var(--accent-emerald);
  box-shadow: 0 0 8px var(--accent-emerald);
}

/* --- Layout Grid --- */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 20px;
  flex: 1;
  width: 100%;
}

@media (max-width: 1024px) {
  .main-layout {
    grid-template-columns: 1fr;
  }
}

/* --- Board Section --- */
.board-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
}

.board-container {
  width: 100%;
  max-width: calc(100vh - 160px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  position: relative;
}


.canvas-container {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, var(--board-kaya-base) 0%, var(--board-kaya-dark) 100%);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), inset 0 0 12px rgba(0, 0, 0, 0.4);
  border: 4px solid #24160A;
  padding: 12px;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

canvas#go-board {
  width: 100%;
  height: 100%;
  display: block;
}

/* In-Game Action Bar */
.board-actions {
  display: flex;
  width: 100%;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.82rem;
}

.btn-full {
  width: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
  color: #0B0F19;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border-subtle);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.btn-action {
  flex: 1;
  padding: 12px 10px;
}

.btn-pass {
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent-cyan);
  border-color: rgba(56, 189, 248, 0.3);
}

.btn-pass:hover:not(:disabled) {
  background: rgba(56, 189, 248, 0.25);
  box-shadow: var(--glow-cyan);
}

.btn-danger {
  background: rgba(244, 63, 94, 0.12);
  color: var(--accent-red);
  border-color: rgba(244, 63, 94, 0.3);
}

.btn-danger:hover:not(:disabled) {
  background: rgba(244, 63, 94, 0.25);
  box-shadow: 0 0 15px rgba(244, 63, 94, 0.4);
}

.btn-reset {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-muted);
  border-color: var(--border-subtle);
}

.btn-reset:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none !important;
}

/* --- Sidebar Section & Cards --- */
.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-card);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.card-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.accordion-title {
  cursor: pointer;
  user-select: none;
}

.icon {
  width: 18px;
  height: 18px;
  color: var(--accent-gold);
}

.icon-sm {
  width: 15px;
  height: 15px;
}

/* --- Match Telemetry & Clocks --- */
.clocks-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.clock-box {
  background: rgba(10, 16, 28, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all 0.3s ease;
}

.clock-box.clock-active {
  border-color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.08);
  box-shadow: 0 0 14px rgba(245, 158, 11, 0.2);
}

.clock-box.clock-urgent {
  border-color: var(--accent-red) !important;
  background: rgba(244, 63, 94, 0.15) !important;
  animation: clockPulseUrgent 1s infinite alternate;
}

@keyframes clockPulseUrgent {
  0% { box-shadow: 0 0 4px rgba(244, 63, 94, 0.4); }
  100% { box-shadow: 0 0 18px rgba(244, 63, 94, 0.8); }
}

.clock-player {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
}

.clock-time {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
}

.clock-sub {
  font-size: 0.7rem;
  color: var(--accent-gold);
  min-height: 16px;
}

.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.telemetry-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  font-weight: 600;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  width: fit-content;
}

.role-badge { background: rgba(255, 255, 255, 0.08); color: var(--text-muted); }
.role-black { background: #000; color: #F8FAFC; border: 1px solid rgba(255, 255, 255, 0.2); }
.role-white { background: #F8FAFC; color: #0F172A; }
.role-observer { background: rgba(100, 116, 139, 0.2); color: var(--text-muted); }

.turn-black { background: #0F172A; color: #F8FAFC; border: 1px solid var(--accent-gold); }
.turn-white { background: #F8FAFC; color: #0F172A; border: 1px solid var(--accent-cyan); }
.count-badge { background: rgba(245, 158, 11, 0.12); color: var(--accent-gold); }

.stone-icon {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.stone-black { background: radial-gradient(circle at 35% 35%, #475569, #000); }
.stone-white { background: radial-gradient(circle at 30% 30%, #FFFFFF, #CBD5E1); }

.captures-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.cap-box {
  background: rgba(10, 16, 28, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cap-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.cap-num {
  font-size: 1.1rem;
  font-weight: 800;
  font-family: 'Space Mono', monospace;
  color: var(--accent-gold);
}

/* --- Forms & Controls --- */
.form-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 8px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-dim);
}

input[type="text"],
input[type="number"],
select {
  width: 100%;
  background: rgba(10, 16, 28, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.88rem;
  transition: all 0.2s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
select:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

.share-url-container {
  margin-top: 10px;
}

.share-input-wrap {
  display: flex;
  gap: 6px;
}

.share-input-wrap input {
  font-family: 'Space Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent-emerald);
}

/* --- Chat & Reactions --- */
.reactions-bar {
  display: flex;
  justify-content: space-between;
  gap: 4px;
  background: rgba(10, 16, 28, 0.6);
  padding: 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  margin-bottom: 10px;
}

.btn-emoji {
  background: transparent;
  border: none;
  font-size: 1.15rem;
  cursor: pointer;
  padding: 3px 5px;
  border-radius: var(--radius-sm);
  transition: transform 0.15s ease, background 0.15s ease;
}

.btn-emoji:hover {
  transform: scale(1.3);
  background: rgba(255, 255, 255, 0.1);
}

.chat-messages {
  height: 120px;
  overflow-y: auto;
  background: rgba(10, 16, 28, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  margin-bottom: 10px;
}

.chat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.chat-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.chat-text {
  color: var(--text-main);
  word-break: break-word;
}

.chat-form {
  display: flex;
  gap: 6px;
}

.chat-form input {
  flex: 1;
  padding: 6px 10px;
  font-size: 0.82rem;
}

.players-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
}

.player-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: rgba(10, 16, 28, 0.6);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.player-info {
  display: flex;
  align-items: center;
  gap: 6px;
}

.player-you-tag {
  font-size: 0.65rem;
  background: var(--accent-emerald);
  color: #000;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 4px;
}

.mono {
  font-family: 'Space Mono', monospace;
}

.muted {
  color: var(--text-dim);
  font-size: 0.82rem;
}

/* Toast & Modals */
.toast {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(244, 63, 94, 0.95);
  color: #FFFFFF;
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 100;
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast-hidden {
  opacity: 0;
  transform: translate(-50%, -15px);
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
  border-radius: var(--radius-lg);
  transition: opacity 0.3s ease;
}

.modal-hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-card {
  background: #0F172A;
  border: 1px solid var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 24px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  text-align: center;
}

.modal-header h3 {
  font-size: 1.4rem;
  color: var(--accent-gold);
  margin-bottom: 6px;
}

.winner-announcement {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-main);
}

.score-breakdown {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.score-card {
  padding: 12px;
  border-radius: var(--radius-sm);
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid var(--border-subtle);
}

.score-card h4 {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.score-total {
  font-size: 1.8rem;
  font-weight: 800;
  font-family: 'Space Mono', monospace;
  color: var(--accent-gold);
}

.score-detail {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.modal-footer {
  display: flex;
  gap: 10px;
}

.modal-footer .btn {
  flex: 1;
}

/* Board Themes */
.theme-kaya {
  background: linear-gradient(135deg, #D9A066 0%, #B87B40 100%) !important;
  border-color: #24160A !important;
}

.theme-obsidian {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%) !important;
  border-color: #38BDF8 !important;
  box-shadow: 0 0 25px rgba(56, 189, 248, 0.25), inset 0 0 15px rgba(0, 0, 0, 0.8) !important;
}

.theme-cyberpunk {
  background: linear-gradient(135deg, #180B2B 0%, #2A0845 100%) !important;
  border-color: #F43F5E !important;
  box-shadow: 0 0 30px rgba(244, 63, 94, 0.35), inset 0 0 20px rgba(0, 0, 0, 0.9) !important;
}

.btn-active-heatmap {
  background: rgba(16, 185, 129, 0.25) !important;
  color: #10B981 !important;
  border-color: #10B981 !important;
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.4) !important;
}

/* Floating Reactions */
.floating-reaction {
  position: absolute;
  font-size: 2.2rem;
  pointer-events: none;
  animation: floatUpFade 2s ease-out forwards;
  z-index: 50;
}

@keyframes floatUpFade {
  0% { opacity: 1; transform: translateY(0) scale(0.6); }
  50% { opacity: 1; transform: translateY(-25px) scale(1.2); }
  100% { opacity: 0; transform: translateY(-60px) scale(1); }
}