/* ============================================================
   Idle Startup Tycoon — Styles
   Tech startup dark theme with green/cyan neon accents
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --primary: #22C55E;
  --primary-glow: rgba(34, 197, 94, 0.2);
  --accent: #06B6D4;
  --accent-glow: rgba(6, 182, 212, 0.15);
  --danger: #EF4444;
  --warning: #F59E0B;

  --bg-deep: #0A0E14;
  --bg-surface: #111822;
  --bg-card: rgba(17, 24, 34, 0.8);
  --bg-input: rgba(22, 30, 42, 0.9);

  --text-primary: #E8F0E8;
  --text-secondary: #7A9080;
  --text-muted: #4A6050;

  --border: rgba(34, 197, 94, 0.1);
  --radius: 12px;
  --font: 'Inter', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font); background: var(--bg-deep); color: var(--text-primary); min-height: 100vh;
  background-image: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(34,197,94,0.03), transparent);
}

#app { max-width: 1100px; margin: 0 auto; padding: 0.75rem; display: flex; flex-direction: column; gap: 0.75rem; min-height: 100vh; }

/* Top Bar */
.top-bar { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 0; }
.logo { font-size: 1.1rem; font-weight: 800; }
.top-stats { display: flex; gap: 1rem; font-family: var(--mono); font-size: 0.8rem; font-weight: 600; }
#money-display { color: var(--primary); }
#loc-display { color: var(--accent); }

.glass-card {
  background: var(--bg-card); backdrop-filter: blur(12px);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem;
}
h3 { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-secondary); margin-bottom: 0.75rem; }

/* Game Grid */
.game-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; flex: 1; }

/* Click Area */
.click-area { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; position: relative; overflow: hidden; grid-column: 1 / -1; min-height: 200px; }
.startup-info { text-align: center; }
#startup-name { font-size: 1.3rem; font-weight: 800; }
.stage-badge { font-size: 0.6rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; padding: 0.2rem 0.6rem; border-radius: 20px; background: var(--primary-glow); color: var(--primary); display: inline-block; margin-top: 0.3rem; }

.code-button {
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
  padding: 1.25rem 2.5rem; border-radius: 16px; border: 2px solid var(--primary);
  background: rgba(34, 197, 94, 0.06); color: var(--text-primary);
  cursor: pointer; font-family: var(--font); transition: all 150ms ease; user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.code-button:hover { background: rgba(34, 197, 94, 0.12); transform: scale(1.02); box-shadow: 0 0 30px var(--primary-glow); }
.code-button:active { transform: scale(0.96); }
.code-icon { font-size: 2rem; }
.code-label { font-weight: 700; font-size: 0.9rem; }
.code-value { font-family: var(--mono); font-size: 0.7rem; color: var(--primary); }

#particle-canvas { position: absolute; inset: 0; pointer-events: none; }
#floating-texts { position: absolute; inset: 0; pointer-events: none; }
.float-text {
  position: absolute; font-family: var(--mono); font-weight: 700; font-size: 0.8rem;
  color: var(--primary); animation: floatUp 1s ease-out forwards; pointer-events: none;
}
@keyframes floatUp { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(-60px); } }

/* Stats */
.stats-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.4rem; }
.stat-item { display: flex; flex-direction: column; }
.stat-label { font-size: 0.6rem; color: var(--text-muted); text-transform: uppercase; }
.stat-value { font-family: var(--mono); font-size: 0.85rem; font-weight: 600; }

.progress-section { margin-top: 0.75rem; }
.progress-label { font-size: 0.6rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: 0.25rem; }
.progress-bar { height: 8px; background: rgba(255,255,255,0.05); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 4px; width: 0%; transition: width 0.3s ease; }

/* Upgrades */
.upgrade-list { display: flex; flex-direction: column; gap: 0.4rem; max-height: 300px; overflow-y: auto; }
.upgrade-item {
  display: flex; justify-content: space-between; align-items: center; gap: 0.5rem;
  padding: 0.5rem 0.6rem; border-radius: 8px; border: 1px solid var(--border);
  transition: all 150ms ease; cursor: pointer;
}
.upgrade-item:hover:not(.locked) { background: rgba(34,197,94,0.05); border-color: rgba(34,197,94,0.2); }
.upgrade-item.locked { opacity: 0.4; cursor: not-allowed; }
.upgrade-info { flex: 1; }
.upgrade-name { font-size: 0.75rem; font-weight: 600; }
.upgrade-desc { font-size: 0.6rem; color: var(--text-muted); }
.upgrade-cost { font-family: var(--mono); font-size: 0.7rem; color: var(--primary); font-weight: 600; white-space: nowrap; }
.upgrade-count { font-family: var(--mono); font-size: 0.6rem; color: var(--text-muted); }

/* Achievements */
.achievement-list { display: flex; flex-wrap: wrap; gap: 0.3rem; }
.achievement { padding: 0.3rem 0.5rem; border-radius: 6px; font-size: 0.6rem; border: 1px solid var(--border); opacity: 0.3; transition: all 0.3s ease; }
.achievement.unlocked { opacity: 1; background: rgba(34,197,94,0.08); border-color: rgba(34,197,94,0.2); }

/* Modal */
.modal { position: fixed; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); }
.modal-content { max-width: 360px; text-align: center; padding: 1.5rem; }
.modal-content h2 { font-size: 1.2rem; margin-bottom: 0.5rem; }
.modal-content p { font-size: 0.8rem; color: var(--text-secondary); margin-bottom: 1rem; }
.modal-actions { display: flex; gap: 0.5rem; justify-content: center; }

/* Buttons */
.btn-primary { padding: 0.5rem 1.25rem; background: var(--primary); color: #fff; font-weight: 700; border: none; border-radius: 8px; cursor: pointer; font-family: var(--font); }
.btn-ghost { padding: 0.5rem 1.25rem; background: transparent; color: var(--text-secondary); border: 1px solid var(--border); border-radius: 8px; cursor: pointer; font-family: var(--font); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.7rem; background: rgba(255,255,255,0.05); color: var(--text-secondary); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-family: var(--font); }
.btn-sm:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-sm:hover:not(:disabled) { background: rgba(255,255,255,0.1); }

.bottom-bar { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0; }
.offline-msg { font-size: 0.65rem; color: var(--primary); margin-left: auto; }

@media (max-width: 640px) {
  .game-grid { grid-template-columns: 1fr; }
}