:root {
  --bg: #0a0a18;
  --surface: #141428;
  --surface-light: #1e1e3a;
  --border: #2a2a4a;
  --text: #e0e0f0;
  --text-muted: #8888aa;
  --pink: #FF4D8D;
  --indigo: #6C5CE7;
  --sky: #3DC1FF;
  --amethyst: #A855F7;
  --rose: #F472B6;
  --periwinkle: #818CF8;
  --player1: rgba(255, 255, 255, 0.8);
  --player2: rgba(255, 200, 100, 0.8);
  --radius: 12px;
}

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

#app { height: 100vh; display: flex; flex-direction: column; }
.view { display: flex; flex-direction: column; height: 100vh; }

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

.hidden { display: none !important; }
.error { color: var(--pink); font-size: 0.85rem; margin-top: 8px; }

.auth-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 24px;
}

.logo {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--pink), var(--periwinkle));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-small {
  font-size: 1.2rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--pink), var(--periwinkle));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

#auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 280px;
}

input {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 12px 16px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s;
}

input:focus { border-color: var(--periwinkle); }
input::placeholder { color: var(--text-muted); }

.auth-buttons { display: flex; gap: 8px; }

button {
  cursor: pointer;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  padding: 10px 20px;
  transition: all 0.2s;
}

.btn-primary {
  background: linear-gradient(135deg, var(--pink), var(--amethyst));
  color: white;
}
.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
  background: var(--surface-light);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { border-color: var(--periwinkle); }

.btn-subtle {
  background: none;
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 0.85rem;
}
.btn-subtle:hover { color: var(--text); }

#btn-login {
  flex: 1;
  background: linear-gradient(135deg, var(--pink), var(--amethyst));
  color: white;
}
#btn-register {
  flex: 1;
  background: var(--surface-light);
  color: var(--text);
  border: 1px solid var(--border);
}

.lobby-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.lobby-actions {
  display: flex;
  gap: 12px;
  padding: 24px;
  align-items: center;
}

.join-form { display: flex; gap: 8px; }
.join-form input { width: 140px; }

.games-list {
  padding: 0 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.game-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  cursor: pointer;
  transition: border-color 0.2s;
}
.game-card:hover { border-color: var(--periwinkle); }
.game-card-status { color: var(--text-muted); font-size: 0.85rem; }
.game-card-turn { color: var(--pink); font-weight: 500; }

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}

.score-display {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.4rem;
  font-weight: 300;
}

.score.player1 { color: var(--player1); }
.score.player2 { color: var(--player2); }
.score-divider { color: var(--text-muted); }
.score-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

.turn-indicator { font-size: 0.85rem; color: var(--text-muted); }
.turn-indicator.your-turn { color: var(--pink); }

.game-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 20px;
  min-height: 0;
}

#hex-canvas { width: 100%; height: 100%; }

.hand-container {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  padding: 16px;
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.hand-tile {
  cursor: pointer;
  transition: transform 0.2s, filter 0.2s;
  border-radius: 8px;
  filter: brightness(0.7);
}
.hand-tile:hover {
  transform: translateY(-6px);
  filter: brightness(1);
}
.hand-tile.selected {
  transform: translateY(-10px) scale(1.1);
  filter: brightness(1.2) drop-shadow(0 0 12px var(--pink)) drop-shadow(0 0 24px var(--pink));
}

.game-status {
  text-align: center;
  padding: 14px 20px;
  font-size: 1rem;
  color: var(--periwinkle);
  letter-spacing: 0.02em;
}

/* Tutorial overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 24, 0.92);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fade-in 0.3s ease-out;
}

.overlay-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 40px;
  max-width: 420px;
  width: 90%;
  text-align: center;
}

.overlay-content h2 {
  font-weight: 300;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--pink), var(--periwinkle));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tutorial-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  margin-bottom: 20px;
}

.tutorial-step {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.step-num {
  min-width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pink), var(--amethyst));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}

.step-text {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text);
}

.step-text em {
  color: var(--pink);
  font-style: normal;
}

.tutorial-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.overlay-content .btn-primary {
  padding: 12px 40px;
  font-size: 1rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-help {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-light);
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
}

.btn-help:hover {
  color: var(--text);
  border-color: var(--periwinkle);
}

@keyframes fade-in {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

.score-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--pink), var(--amethyst));
  color: white;
  font-size: 1.6rem;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: 16px;
  z-index: 100;
  pointer-events: none;
  animation: pop-in 0.3s ease-out;
  letter-spacing: 0.03em;
  box-shadow: 0 0 30px rgba(168, 85, 247, 0.4);
}

.score-popup.zero {
  background: var(--surface-light);
  color: var(--text-muted);
  font-size: 1.2rem;
  box-shadow: none;
}

.score-popup.fade-out {
  opacity: 0;
  transform: translate(-50%, -70%);
  transition: opacity 0.5s, transform 0.5s;
}

@keyframes pop-in {
  0% { transform: translate(-50%, -50%) scale(0.5); opacity: 0; }
  70% { transform: translate(-50%, -50%) scale(1.1); }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}