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

:root {
  --bg: #0a0a0a;
  --card: #1a1a1a;
  --card-border: #2a2a2a;
  --text: #e0e0e0;
  --text-dim: #888;
  --accent: #00ff87;
  --accent2: #00d4ff;
  --accent3: #ff6b6b;
  --accent4: #ffd93d;
  --food: #ff0050;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Landing Page ===== */
.landing-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}

.landing-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 48px 40px;
  max-width: 440px;
  width: 100%;
  text-align: center;
}

/* ===== Title ===== */
.game-title {
  font-family: 'Courier New', monospace;
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 6px;
  color: var(--accent);
  text-shadow: 0 0 20px rgba(0, 255, 135, 0.4), 0 0 60px rgba(0, 255, 135, 0.15);
  margin-bottom: 24px;
}

.game-title-small {
  font-size: 1.5rem;
  letter-spacing: 4px;
  margin-bottom: 0;
}

/* ===== Rules ===== */
.rules {
  margin-bottom: 32px;
}

.rule-item {
  color: var(--text-dim);
  font-size: 0.95rem;
  padding: 6px 0;
  position: relative;
}

.rule-item::before {
  content: '\25B8';
  color: var(--accent);
  margin-right: 8px;
}

/* ===== Form ===== */
.create-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

input:focus {
  border-color: var(--accent);
}

/* ===== Buttons ===== */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
  color: #000;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #00cc6a);
  color: #000;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.9;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
  width: 100%;
  margin-top: 8px;
}

.btn-small {
  padding: 8px 14px;
  font-size: 0.8rem;
  background: var(--card-border);
  color: var(--text);
  flex-shrink: 0;
}

.btn-small:hover {
  background: #3a3a3a;
}

/* ===== Game Page Layout ===== */
.game-container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 16px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.game-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0 16px;
}

.room-code {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  color: var(--text-dim);
}

.room-code span {
  color: var(--accent2);
  font-weight: 700;
}

.game-main {
  display: flex;
  gap: 20px;
  flex: 1;
}

/* ===== Canvas ===== */
.canvas-wrapper {
  position: relative;
  flex-shrink: 0;
}

#gameCanvas {
  display: block;
  background: #111;
  border: 1px solid var(--card-border);
  border-radius: 4px;
  box-shadow: 0 0 20px rgba(0, 255, 135, 0.07), 0 0 60px rgba(0, 255, 135, 0.03);
}

/* ===== Game Over Overlay ===== */
.game-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  z-index: 10;
}

.game-overlay.hidden {
  display: none;
}

.overlay-content {
  text-align: center;
}

.overlay-content h2 {
  font-family: 'Courier New', monospace;
  font-size: 2rem;
  color: var(--accent4);
  margin-bottom: 8px;
}

.overlay-content p {
  color: var(--text-dim);
  margin-bottom: 24px;
  font-size: 1.1rem;
}

.overlay-content .btn {
  width: auto;
}

/* ===== Sidebar ===== */
.sidebar {
  flex: 1;
  min-width: 200px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-section {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 16px;
}

.sidebar-section h3 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 12px;
}

/* ===== Player List ===== */
.player-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.player-entry {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg);
  border-radius: 6px;
  border-left: 3px solid var(--accent);
  animation: playerIn 0.3s ease;
}

@keyframes playerIn {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

.player-color {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.player-name {
  flex: 1;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.player-score {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: 0.95rem;
  min-width: 20px;
  text-align: right;
}

.player-score.flash {
  animation: scoreFlash 0.4s ease;
}

@keyframes scoreFlash {
  0% { color: var(--accent); transform: scale(1.3); }
  100% { color: var(--text); transform: scale(1); }
}

/* ===== Target Score ===== */
.target-score {
  font-family: 'Courier New', monospace;
  font-size: 1.1rem;
  text-align: center;
  color: var(--accent4);
}

/* ===== Share Link ===== */
.share-row {
  display: flex;
  gap: 8px;
}

.share-input {
  flex: 1;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: 6px;
  color: var(--text-dim);
  font-size: 0.8rem;
  min-width: 0;
}

/* ===== Status Text ===== */
.status-text {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 8px 0;
}

.status-text.pulsing::after {
  content: '';
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%  { content: ''; }
  25% { content: '.'; }
  50% { content: '..'; }
  75% { content: '...'; }
}

/* ===== Footer ===== */
.game-footer {
  text-align: center;
  padding: 12px 0 4px;
  color: var(--text-dim);
  font-size: 0.8rem;
}

/* ===== Controls Hint ===== */
.controls-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.control-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.key-badge {
  display: inline-block;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 2px 8px;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--accent);
}

.control-divider {
  color: var(--card-border);
}

/* ===== Team Grouping in Sidebar ===== */
.team-group {
  margin-bottom: 12px;
}

.team-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0 6px;
  margin-bottom: 4px;
}

.team-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.team-score {
  font-family: 'Courier New', monospace;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent4);
}

.team-score.flash {
  animation: scoreFlash 0.4s ease;
}

/* ===== Notifications ===== */
.notifications {
  position: fixed;
  top: 16px;
  right: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  pointer-events: none;
}

.notification {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 0.85rem;
  color: var(--text);
  animation: notifIn 0.3s ease, notifOut 0.4s ease 2.6s forwards;
  pointer-events: none;
}

@keyframes notifIn {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes notifOut {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(-10px); }
}

/* ===== Hidden utility ===== */
.hidden {
  display: none !important;
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .game-main {
    flex-direction: column;
    align-items: center;
  }

  #gameCanvas {
    width: 100%;
    max-width: 600px;
    height: auto;
  }

  .sidebar {
    width: 100%;
    max-width: 600px;
  }
}

@media (max-width: 420px) {
  .game-title {
    font-size: 2rem;
    letter-spacing: 3px;
  }

  .landing-card {
    padding: 32px 20px;
  }
}