/* ── common.css ──────────────────────────────────────────────────────────
   Shared by index.html and all game pages.
   Load this first; game pages also load game-page.css after this.
   ──────────────────────────────────────────────────────────────────────── */

/* CSS Variables */
:root {
  --purple:       #6C3FE8;
  --purple-light: #8B5CF6;
  --purple-dark:  #4C1DB7;
  --purple-pale:  #EDE9FF;
  --bg:           #F8F7FF;
  --surface:      #FFFFFF;
  --text:         #0F0A23;
  --muted:        #6B7280;
  --border:       #E5E0FF;
}

html.dark {
  --purple:       #8B5CF6;
  --purple-light: #A78BFA;
  --purple-dark:  #6C3FE8;
  --purple-pale:  #1E1740;
  --bg:           #0F0A23;
  --surface:      #1A1A2E;
  --text:         #E8E6F0;
  --muted:        #9CA3AF;
  --border:       #2D2A4A;
}

@media (prefers-color-scheme: dark) {
  html:not(.light) {
    --purple:       #8B5CF6;
    --purple-light: #A78BFA;
    --purple-dark:  #6C3FE8;
    --purple-pale:  #1E1740;
    --bg:           #0F0A23;
    --surface:      #1A1A2E;
    --text:         #E8E6F0;
    --muted:        #9CA3AF;
    --border:       #2D2A4A;
  }
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
}

/* Nav */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 247, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

html.dark nav { background: rgba(15, 10, 35, 0.85); }

@media (prefers-color-scheme: dark) {
  html:not(.light) nav { background: rgba(15, 10, 35, 0.85); }
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}
.nav-logo span {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--purple);
}

.nav-cta {
  background: var(--purple);
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.85rem;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--purple-dark); }

.theme-toggle {
  background: none;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.4rem;
  border-radius: 8px;
  color: var(--muted);
  transition: color 0.2s;
  line-height: 1;
}
.theme-toggle:hover { color: var(--purple); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}