/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: #1a1a2e;
  color: #e0e0e0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

/* ===== Title Banner ===== */
#title-banner {
  background: #1a1a2e;
  color: #e2c97e;
  text-align: center;
  padding: 8px 16px;
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 0.04em;
  border-bottom: 2px solid #e2c97e33;
}

#title-byline {
  font-size: 13px;
  font-weight: normal;
  color: #94a3b8;
  margin-left: 10px;
}

/* ===== Scoreboard ===== */
#scoreboard {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #16213e;
  border-bottom: 2px solid #0f3460;
  padding: 8px 20px;
  flex-shrink: 0;
}

.score-block {
  text-align: center;
  min-width: 160px;
}

.score-team-name {
  font-size: 11px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.score-points {
  font-size: 26px;
  font-weight: 700;
  color: #e2e8f0;
}

.score-points .score-pips {
  display: inline-flex;
  gap: 4px;
  margin-left: 8px;
  vertical-align: middle;
}

.score-pip {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #4ade80;
  display: inline-block;
}

.score-pip.empty {
  background: #2d3748;
  border: 1px solid #4a5568;
}

.trump-block {
  text-align: center;
  font-size: 13px;
  color: #94a3b8;
  min-width: 120px;
}

.trump-suit {
  font-size: 24px;
  display: block;
}

.trump-suit.red { color: #f87171; }
.trump-suit.black { color: #e2e8f0; }

/* ===== Content area (sidebar + table) ===== */
#content-area {
  display: flex;
  flex: 1;
  min-height: 0;
}

/* ===== Sidebar ===== */
#sidebar {
  width: 190px;
  flex-shrink: 0;
  background: #0f172a;
  border-right: 1px solid #1e293b;
  overflow-y: auto;
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 12px;
}

#sidebar-trump {
  background: #16213e;
  border-radius: 6px;
  padding: 8px 10px;
  text-align: center;
}

.sidebar-trump-label {
  font-size: 10px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.sidebar-trump-suit {
  font-size: 28px;
}

.sidebar-trump-suit.red { color: #f87171; }
.sidebar-trump-suit.black { color: #e2e8f0; }

.sidebar-trump-caller {
  font-size: 10px;
  color: #94a3b8;
  margin-top: 2px;
}

.sidebar-section-title {
  font-size: 10px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid #1e293b;
  padding-bottom: 4px;
  margin-bottom: 4px;
}

.sidebar-trick {
  background: #16213e;
  border-radius: 5px;
  padding: 6px 8px;
  margin-bottom: 6px;
}

.sidebar-trick-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.sidebar-trick-num {
  font-size: 10px;
  color: #64748b;
  text-transform: uppercase;
}

.sidebar-trick-winner {
  font-size: 11px;
  font-weight: 700;
  color: #f59e0b;
}

.sidebar-trick-plays {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-play {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: #94a3b8;
  padding: 1px 0;
}

.sidebar-play.winner {
  color: #f59e0b;
  font-weight: 600;
}

.sidebar-play-card {
  font-weight: 600;
}

.sidebar-play-card.red { color: #f87171; }
.sidebar-play-card.black { color: #e2e8f0; }

.sidebar-trick-why {
  font-size: 10px;
  color: #4a5568;
  margin-top: 4px;
  font-style: italic;
  line-height: 1.3;
}

.sidebar-hand-log {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-log-entry {
  font-size: 10px;
  color: #64748b;
  line-height: 1.3;
}

.sidebar-log-entry.highlight {
  color: #94a3b8;
}

/* ===== Table (green felt) ===== */
#table {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  background: radial-gradient(ellipse at center, #4a7c59 0%, #2d5016 100%);
  padding: 12px 16px;
  min-height: 0;
  position: relative;
}

/* ===== Seats ===== */
.seat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  position: relative;
}

.seat-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.partner-badge {
  font-weight: 400;
  color: rgba(255,255,255,0.45);
  font-size: 10px;
}

.seat-north, .seat-south { width: 100%; }

.middle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  flex: 1;
  min-height: 0;
}

.seat-side { min-width: 90px; max-width: 110px; }

.sitting-out { opacity: 0.35; }
.sitting-out-label {
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}

/* Dealer button */
.dealer-btn {
  position: absolute;
  top: -4px; right: -8px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #f59e0b;
  color: #1a1a2e;
  font-size: 10px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== Card rows ===== */
.card-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
}

/* ===== Playing Cards ===== */
.card {
  width: 54px;
  height: 78px;
  background: #fffef0;
  border: 1px solid #ccc;
  border-radius: 5px;
  box-shadow: 1px 2px 4px rgba(0,0,0,0.4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 3px 4px;
  cursor: default;
  user-select: none;
  position: relative;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  flex-shrink: 0;
}

.card.red .card-rank,
.card.red .card-suit { color: #cc0000; }

.card.black .card-rank,
.card.black .card-suit { color: #111; }

.card-corner {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
}

.card-corner.bottom { transform: rotate(180deg); align-self: flex-end; }

.card-rank { font-size: 13px; font-weight: 700; line-height: 1; }
.card-suit { font-size: 11px; line-height: 1; }

.card-center {
  font-size: 22px;
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

.card.red .card-center { color: #cc0000; }
.card.black .card-center { color: #111; }

/* Trump highlight */
.card.is-trump {
  box-shadow: 1px 2px 4px rgba(0,0,0,0.4), 0 0 0 2px #f59e0b;
}

/* Legal to play */
.card.legal {
  cursor: pointer;
  box-shadow: 1px 2px 4px rgba(0,0,0,0.4), 0 0 10px #22c55e;
}

.card.legal:hover {
  transform: translateY(-6px);
  box-shadow: 2px 6px 12px rgba(0,0,0,0.5), 0 0 14px #4ade80;
}

/* Selectable (for discarding) */
.card.selectable {
  cursor: pointer;
}
.card.selectable:hover { transform: translateY(-4px); }
.card.selected-discard {
  box-shadow: 1px 2px 4px rgba(0,0,0,0.4), 0 0 10px #f87171;
  border-color: #f87171;
}

/* Inactive */
.card.inactive { opacity: 0.8; }

/* Card back */
.card-back {
  width: 54px;
  height: 78px;
  background: #1a237e;
  background-image:
    repeating-linear-gradient(45deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 2px, transparent 2px, transparent 8px),
    repeating-linear-gradient(-45deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 2px, transparent 2px, transparent 8px);
  border: 1px solid #283593;
  border-radius: 5px;
  box-shadow: 1px 2px 4px rgba(0,0,0,0.4);
  flex-shrink: 0;
}

/* Smaller backs for opponents */
.seat-side .card-back,
.seat-north .card-back {
  width: 32px;
  height: 48px;
}

/* ===== Trick area ===== */
#trick-area {
  width: 200px;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.trick-middle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.trick-slot {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.trick-center-label {
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  text-align: center;
  min-width: 60px;
}

.trick-player-name {
  font-size: 9px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
}

.trick-slot .card, .trick-slot .card-back {
  width: 46px;
  height: 66px;
}

.trick-slot .card .card-center { font-size: 18px; }
.trick-slot .card .card-rank { font-size: 11px; }
.trick-slot .card .card-suit { font-size: 9px; }

/* Trick winner highlight */
.card.trick-winner {
  box-shadow: 1px 2px 4px rgba(0,0,0,0.4), 0 0 14px #f59e0b, 0 0 0 2px #f59e0b;
  transform: translateY(-4px) scale(1.05);
  z-index: 1;
  position: relative;
}

/* Hint box */
.hint-box {
  background: #0f3460;
  border: 1px solid #1e4a80;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 12px;
  max-width: 420px;
  text-align: center;
}

.hint-card-display {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
}

.hint-card-display.red { color: #f87171; }
.hint-card-display.black { color: #e2e8f0; }

.hint-explanation { color: #94a3b8; font-size: 11px; }

/* Trick complete explanation box */
.trick-explanation {
  background: #0f172a;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 12px;
  max-width: 420px;
  text-align: center;
  color: #94a3b8;
}

.trick-explanation .winner-label {
  font-size: 14px;
  font-weight: 700;
  color: #f59e0b;
  margin-bottom: 4px;
}

/* Upcard display in trick area */
.upcard-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.upcard-label {
  font-size: 10px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.upcard-container .card {
  width: 54px;
  height: 78px;
}

.turned-down {
  opacity: 0.5;
}

/* ===== Action panel ===== */
#action-panel {
  background: #16213e;
  border-top: 2px solid #0f3460;
  padding: 10px 20px;
  flex-shrink: 0;
  min-height: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.action-title {
  font-size: 12px;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.action-row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

/* Buttons */
.btn {
  padding: 7px 18px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.1s, transform 0.1s;
}

.btn:hover { filter: brightness(1.15); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; filter: none; transform: none; }

.btn-primary   { background: #4ade80; color: #1a1a2e; }
.btn-secondary { background: #64748b; color: #e2e8f0; }
.btn-danger    { background: #f87171; color: #1a1a2e; }
.btn-suit      { background: #0f3460; color: #e2e8f0; font-size: 18px; min-width: 50px; }
.btn-suit.red  { color: #f87171; }
.btn-suit:hover { background: #1a4a80; }

.alone-row {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #94a3b8;
}

.alone-row input[type="checkbox"] { width: 16px; height: 16px; cursor: pointer; }

/* Upcard preview in action panel */
.upcard-preview {
  display: flex;
  align-items: center;
  gap: 10px;
}

.upcard-preview .card { width: 46px; height: 66px; }
.upcard-preview .card .card-center { font-size: 18px; }
.upcard-preview .card .card-rank { font-size: 11px; }
.upcard-preview .card .card-suit { font-size: 9px; }

/* Grade report */
.grade-report {
  width: 100%;
  max-height: 260px;
  overflow-y: auto;
  background: #0f172a;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 12px;
}

.grade-summary {
  color: #94a3b8;
  margin-bottom: 8px;
  font-style: italic;
}

.hand-score-row {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.hand-score-cell {
  flex: 1;
  text-align: center;
  background: #1e293b;
  border-radius: 4px;
  padding: 4px 6px;
}

.hand-score-name {
  font-size: 10px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hand-score-value {
  font-size: 15px;
  font-weight: bold;
  color: #e2e8f0;
}

.grade-section-title {
  font-size: 11px;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 6px 0 4px;
}

.grade-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 4px 0;
  border-bottom: 1px solid #1e293b;
}

.grade-item:last-child { border-bottom: none; }

.grade-verdict {
  font-weight: 700;
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 3px;
  display: inline-block;
}

.grade-verdict.OPTIMAL     { background: #166534; color: #4ade80; }
.grade-verdict.ACCEPTABLE  { background: #713f12; color: #fbbf24; }
.grade-verdict.MISTAKE     { background: #7f1d1d; color: #f87171; }

.grade-row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.grade-explanation { color: #94a3b8; font-size: 11px; margin-top: 2px; }
.grade-counterfactual { margin-top: 5px; padding: 5px 8px; background: #1e3a5f; border-left: 3px solid #3b82f6; border-radius: 3px; font-size: 11px; color: #93c5fd; font-style: italic; }

#going-alone-notice:empty { display: none; }
.going-alone-notice {
  text-align: center;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 6px;
  margin: 4px auto;
  max-width: 480px;
}
.notice-partner {
  background: #7c2d12;
  border: 1px solid #ea580c;
  color: #fed7aa;
}
.notice-opponent {
  background: #1e3a5f;
  border: 1px solid #3b82f6;
  color: #bfdbfe;
}
.grade-ai { color: #60a5fa; font-size: 11px; }

/* Hand complete summary */
.hand-summary {
  text-align: center;
  padding: 4px 0;
}
.hand-summary .result-label {
  font-size: 16px;
  font-weight: 700;
  color: #4ade80;
}
.hand-summary .result-label.loss { color: #f87171; }
.hand-summary .sub-label { font-size: 12px; color: #94a3b8; margin-top: 2px; }

/* ===== Log panel ===== */
#log-panel {
  background: #0f172a;
  border-top: 1px solid #1e293b;
  padding: 6px 20px;
  flex-shrink: 0;
  max-height: 52px;
  overflow: hidden;
  position: relative;
}

#sidebar-toggle {
  display: block;
  width: 100%;
  background: none;
  border: 1px solid #334155;
  color: #64748b;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  margin-bottom: 6px;
  text-align: center;
}

#sidebar-toggle:hover {
  color: #94a3b8;
  border-color: #64748b;
}

#sidebar.sidebar-hidden {
  width: 28px;
  overflow: hidden;
  padding: 6px 4px;
}

#sidebar.sidebar-hidden #sidebar-trump,
#sidebar.sidebar-hidden #sidebar-tricks {
  display: none;
}

#sidebar.sidebar-hidden #sidebar-toggle {
  writing-mode: vertical-rl;
  width: 20px;
  padding: 6px 2px;
  font-size: 10px;
}

#log-entries {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: #64748b;
  overflow-x: auto;
  white-space: nowrap;
}

#log-entries span {
  color: #94a3b8;
  flex-shrink: 0;
}

/* ===== Game over overlay ===== */
.game-over-msg {
  text-align: center;
  padding: 8px 0;
}
.game-over-msg h2 { font-size: 20px; color: #4ade80; }
.game-over-msg h2.loss { color: #f87171; }
.game-over-msg p { font-size: 13px; color: #94a3b8; margin-top: 4px; }

/* ===== Error toast ===== */
#error-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: #7f1d1d;
  color: #fca5a5;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
  z-index: 100;
}