:root {
  --bg: #0a0a0f;
  --card: #12121a;
  --border: #1e1e2e;
  --primary: #6c5ce7;
  --accent: #a29bfe;
  --success: #00b894;
  --warn: #fdcb6e;
  --danger: #e17055;
  --text: #dfe6e9;
  --dim: #636e72;
  --radius: 12px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
}

.container { max-width: 900px; margin: 0 auto; padding: 20px; }

header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 0; border-bottom: 1px solid var(--border); margin-bottom: 24px;
}

header h1 { font-size: 1.4em; }
header h1 span { color: var(--primary); }

.auth-area { display: flex; gap: 8px; align-items: center; }
.auth-area .nickname { color: var(--accent); font-weight: 600; }
.auth-area .mam { color: var(--warn); font-size: 0.85em; }

.hero {
  text-align: center; padding: 40px 0 32px;
}
.hero h2 { font-size: 1.8em; margin-bottom: 8px; }
.hero p { color: var(--dim); font-size: 1.05em; line-height: 1.6; }
.hero .badge {
  display: inline-block; background: var(--primary); color: #fff;
  padding: 4px 12px; border-radius: 20px; font-size: 0.8em; margin-top: 12px;
}

.ticker {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: linear-gradient(90deg, rgba(108,92,231,0.08), rgba(162,155,254,0.08));
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 20px; margin: 16px 0;
}
.ticker-label {
  font-size: 0.75em; font-weight: 700; color: var(--primary);
  text-transform: uppercase; letter-spacing: 1px; white-space: nowrap;
}
.ticker .rate {
  color: var(--warn); font-size: 0.85em; font-weight: 600;
  padding: 0 12px; border-right: 1px solid var(--border);
}
.ticker .rate:last-child { border-right: none; }
.ticker-link {
  margin-left: auto; color: var(--dim); font-size: 0.75em;
  text-decoration: none; white-space: nowrap;
}
.ticker-link:hover { color: var(--accent); }

.guide-preview {
  font-size: 0.82em; color: var(--dim); line-height: 1.5;
  margin-bottom: 10px; padding: 8px 0; border-top: 1px solid var(--border);
}
.skills-tag {
  display: inline-block; color: var(--success); font-size: 0.85em; margin-top: 4px;
}

.games-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px; margin: 24px 0;
}

.game-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; cursor: pointer; transition: all 0.2s;
}
.game-card:hover { border-color: var(--primary); transform: translateY(-2px); }
.game-card .icon { font-size: 2em; margin-bottom: 12px; }
.game-card h3 { font-size: 1.2em; margin-bottom: 6px; }
.game-card .desc { color: var(--dim); font-size: 0.9em; line-height: 1.5; margin-bottom: 12px; }
.game-card .meta { display: flex; gap: 12px; font-size: 0.8em; color: var(--dim); }
.game-card .meta .edu { color: var(--success); }
.game-card .tag {
  display: inline-block; background: rgba(108,92,231,0.15); color: var(--accent);
  padding: 2px 8px; border-radius: 8px; font-size: 0.75em; margin-right: 4px;
}

.section-title { font-size: 1.1em; color: var(--dim); margin: 32px 0 16px; }

.reward-info {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; margin: 24px 0;
}
.reward-info h3 { margin-bottom: 12px; }
.reward-row { display: flex; justify-content: space-between; padding: 6px 0; font-size: 0.9em; }
.reward-row .role { color: var(--accent); }
.reward-row .amount { color: var(--warn); }

button, .btn {
  background: var(--primary); color: #fff; border: none; border-radius: 8px;
  padding: 10px 20px; cursor: pointer; font-size: 0.95em; transition: opacity 0.2s;
}
button:hover { opacity: 0.85; }
.btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }
.btn-sm { padding: 6px 14px; font-size: 0.85em; }

input, .input {
  background: var(--card); border: 1px solid var(--border); border-radius: 8px;
  padding: 10px 14px; color: var(--text); font-size: 0.95em; width: 100%;
}
input:focus { outline: none; border-color: var(--primary); }

.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: none;
  justify-content: center; align-items: center; z-index: 100;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px; width: 90%; max-width: 400px;
}
.modal h3 { margin-bottom: 16px; }
.modal .field { margin-bottom: 12px; }
.modal label { display: block; font-size: 0.85em; color: var(--dim); margin-bottom: 4px; }

footer {
  text-align: center; padding: 32px 0; color: var(--dim); font-size: 0.8em;
  border-top: 1px solid var(--border); margin-top: 40px;
}

.game-guide {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 24px; margin: 16px 0;
}
.guide-section {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.guide-col h4 { color: var(--accent); font-size: 0.9em; margin-bottom: 6px; }
.guide-col p { color: var(--dim); font-size: 0.85em; line-height: 1.6; white-space: pre-line; }
.guide-skills {
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border);
  font-size: 0.85em; color: var(--success);
}
.guide-reward {
  margin-top: 8px; font-size: 0.85em; color: var(--warn); line-height: 1.5;
}

/* Game-specific */
.game-area { min-height: 400px; }

.word-chain-area .current-word {
  font-size: 2em; text-align: center; padding: 20px;
  color: var(--accent); font-weight: 700;
}
.word-chain-area .next-char {
  text-align: center; font-size: 1.2em; color: var(--dim); margin-bottom: 20px;
}
.word-chain-area .input-row { display: flex; gap: 8px; max-width: 400px; margin: 0 auto; }
.word-chain-area .history { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.word-chain-area .history span {
  background: var(--card); border: 1px solid var(--border); padding: 4px 10px;
  border-radius: 6px; font-size: 0.85em;
}

.baseball-area .attempts { margin: 20px 0; }
.baseball-area .attempt-row {
  display: flex; gap: 12px; padding: 8px 12px; border-bottom: 1px solid var(--border);
  font-size: 0.9em;
}
.baseball-area .strike { color: var(--danger); font-weight: 700; }
.baseball-area .ball { color: var(--success); font-weight: 700; }
.baseball-area .input-row { display: flex; gap: 8px; max-width: 300px; margin: 0 auto; }

.omok-area { text-align: center; }
.omok-board {
  display: inline-grid; gap: 0; background: #c8a96e;
  border-radius: 4px; padding: 12px; margin: 16px 0;
}
.omok-cell {
  width: 28px; height: 28px; border: 0.5px solid rgba(0,0,0,0.3);
  cursor: pointer; position: relative; display: flex; align-items: center; justify-content: center;
}
.omok-cell .stone {
  width: 22px; height: 22px; border-radius: 50%;
}
.omok-cell .stone.black { background: #111; box-shadow: 1px 1px 2px rgba(0,0,0,0.5); }
.omok-cell .stone.white { background: #f0f0f0; box-shadow: 1px 1px 2px rgba(0,0,0,0.3); }
.omok-cell:hover { background: rgba(0,0,0,0.1); }

.score-display {
  display: flex; justify-content: center; gap: 24px; margin: 16px 0;
  font-size: 1.1em;
}
.score-display .label { color: var(--dim); font-size: 0.8em; }
.score-display .value { color: var(--warn); font-weight: 700; font-size: 1.3em; }

.result-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.8); display: none;
  justify-content: center; align-items: center; z-index: 50;
}
.result-overlay.show { display: flex; }
.result-box {
  background: var(--card); border: 2px solid var(--primary); border-radius: var(--radius);
  padding: 40px; text-align: center; max-width: 400px;
}
.result-box h2 { font-size: 1.6em; margin-bottom: 12px; }
.result-box .final-score { font-size: 2em; color: var(--warn); font-weight: 700; }
.result-box .reward-earned { color: var(--success); margin: 12px 0; }

.back-link { color: var(--dim); text-decoration: none; font-size: 0.9em; }
.back-link:hover { color: var(--text); }

@media (max-width: 600px) {
  .container { padding: 12px; }
  .hero h2 { font-size: 1.3em; }
  .games-grid { grid-template-columns: 1fr; }
  .omok-cell { width: 22px; height: 22px; }
  .omok-cell .stone { width: 18px; height: 18px; }
}