/* ==========================================================================
   Lalbagh Sports Carnival (LSC) - Chess Live Scoreboard Broadcast Styles
   Location: assets/css/pages/chess_live.css
   Author: Senior UX/UI Architect
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Broadcast Page Wrapper & Spacing
   -------------------------------------------------------------------------- */
.lsc-ch-page {
  padding-top: calc(80px + var(--spacing-4));
  padding-bottom: var(--spacing-12);
}

.lsc-ch-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-5);
  flex-wrap: wrap;
}

.lsc-ch-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-decoration: none;
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  transition: all 0.2s ease;
}

.lsc-ch-back-btn:hover {
  color: var(--color-red);
  border-color: var(--color-red);
  transform: translateX(-2px);
}

.lsc-ch-status-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.lsc-ch-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-red);
  color: #ffffff;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.lsc-ch-pulse {
  width: 7px;
  height: 7px;
  background-color: #ffffff;
  border-radius: 50%;
  position: relative;
}

.lsc-ch-pulse::after {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  background-color: #ffffff;
  animation: pulseRing 1.6s infinite ease-in-out;
}

/* --------------------------------------------------------------------------
   2. Primary Chess Hero Scoreboard Card
   -------------------------------------------------------------------------- */
.lsc-ch-hero-card {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  position: relative;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-5);
}

.lsc-ch-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
  padding-bottom: var(--spacing-3);
  border-bottom: 1px dashed var(--color-border);
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

.lsc-ch-tourn-title {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.lsc-ch-time-control {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-gold);
  background: rgba(245, 158, 11, 0.12);
  padding: 3px 10px;
  border-radius: var(--radius-xs);
}

/* Players Grid */
.lsc-ch-players-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-4);
}

.lsc-ch-player-box {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.lsc-ch-player-box.black-player {
  flex-direction: row-reverse;
  text-align: right;
}

.lsc-ch-player-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-dark-base);
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.lsc-ch-player-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.lsc-ch-player-name {
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--color-text-primary);
  margin-bottom: 2px;
  line-height: 1.2;
}

.lsc-ch-player-rating {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-secondary);
}

.lsc-ch-clock-box {
  font-size: 1.6rem;
  font-weight: 900;
  font-family: monospace;
  background: var(--color-dark-base);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 4px 12px;
  border-radius: var(--radius-md);
  margin-top: 4px;
  display: inline-block;
}

.lsc-ch-clock-box.active {
  border-color: var(--color-red);
  color: var(--color-red);
  box-shadow: var(--shadow-glow-red);
}

/* Center VS / Move Count */
.lsc-ch-vs-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 var(--spacing-2);
}

.lsc-ch-move-badge {
  font-size: 0.85rem;
  font-weight: 900;
  color: var(--color-text-primary);
  background: var(--color-dark-base);
  border: 1px solid var(--color-border);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 4px;
}

.lsc-ch-eval-text {
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--color-green);
}

/* Engine Eval Bar */
.lsc-ch-eval-bar-track {
  height: 6px;
  background: #2b3446;
  border-radius: var(--radius-full);
  display: flex;
  overflow: hidden;
  margin-bottom: var(--spacing-4);
}

.lsc-ch-eval-bar-white {
  height: 100%;
  background: #ffffff;
  transition: width 0.4s ease;
}

/* Ticker Banner */
.lsc-ch-ticker-banner {
  background: rgba(254, 0, 0, 0.08);
  border: 1px solid rgba(254, 0, 0, 0.2);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* --------------------------------------------------------------------------
   3. Main Arena (Chessboard + PGN Sheet Grid)
   -------------------------------------------------------------------------- */
.lsc-ch-arena-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-5);
  margin-bottom: var(--spacing-5);
}

.lsc-ch-board-box {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* 8x8 Chessboard Container */
.lsc-chessboard {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.lsc-square {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  user-select: none;
  position: relative;
}

.lsc-square.light {
  background-color: #e2e8f0;
  color: #1e293b;
}

.lsc-square.dark {
  background-color: #475569;
  color: #f8fafc;
}

.lsc-square.last-move {
  background-color: rgba(245, 158, 11, 0.45) !important;
}

/* PGN Sheet Panel */
.lsc-ch-pgn-box {
  background: var(--color-dark-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
}

.lsc-ch-pgn-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--spacing-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lsc-ch-moves-table-wrap {
  flex: 1;
  max-height: 320px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-4);
}

.lsc-ch-moves-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
}

.lsc-ch-moves-table th {
  background: var(--color-dark-base);
  padding: 8px 10px;
  font-weight: 700;
  color: var(--color-text-mute);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.lsc-ch-moves-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-weight: 600;
}

.lsc-ch-moves-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.lsc-ch-nav-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
}

.lsc-ch-nav-btn {
  padding: 6px 14px;
  background: var(--color-dark-base);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lsc-ch-nav-btn:hover {
  border-color: var(--color-red);
  color: var(--color-red);
}

/* --------------------------------------------------------------------------
   4. Tabbed System
   -------------------------------------------------------------------------- */
.lsc-ch-tabs-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-5);
  overflow-x: auto;
  padding-bottom: 2px;
}

.lsc-ch-tab-btn {
  padding: 8px 16px;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.lsc-ch-tab-btn:hover {
  color: var(--color-text-primary);
}

.lsc-ch-tab-btn.active {
  color: var(--color-red);
  border-bottom-color: var(--color-red);
}

.lsc-ch-tab-content {
  display: none;
}

.lsc-ch-tab-content.active {
  display: block;
}

/* PGN Code Block */
.lsc-pgn-text-box {
  background: var(--color-dark-base);
  border: 1px solid var(--color-border);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  font-family: monospace;
  font-size: 0.84rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* --------------------------------------------------------------------------
   5. Mobile Responsive Optimization
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .lsc-ch-page {
    padding-top: calc(75px + var(--spacing-3));
    padding-bottom: 90px;
  }

  .lsc-ch-topbar {
    gap: 8px;
    margin-bottom: 12px;
  }

  .lsc-ch-hero-card {
    padding: 12px;
    margin-bottom: 12px;
  }

  .lsc-ch-players-grid {
    grid-template-columns: 1fr auto 1fr;
    gap: 6px;
  }

  .lsc-ch-player-box,
  .lsc-ch-player-box.black-player {
    flex-direction: column;
    text-align: center;
    gap: 4px;
  }

  .lsc-ch-player-avatar {
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
  }

  .lsc-ch-player-name {
    font-size: 0.92rem;
  }

  .lsc-ch-clock-box {
    font-size: 1.15rem;
    padding: 2px 8px;
  }

  .lsc-ch-arena-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .lsc-ch-board-box,
  .lsc-ch-pgn-box {
    padding: 12px;
  }

  .lsc-square {
    font-size: 1.5rem;
  }
}