@import url('https://fonts.googleapis.com/css2?family=Bungee&family=Syne+Mono&display=swap');

* { margin: 0; padding: 0; box-sizing: border-box; }
body { overflow: hidden; background: #040810; font-family: 'Syne Mono', monospace; color: #8ab0d0; user-select: none; }
#sm-app { width: 100vw; height: 100vh; position: relative; }
#sm-canvas { display: block; width: 100%; height: 100%; }
#sm-hud { position: fixed; top: 10px; left: 12px; right: 12px; z-index: 10; display: flex; gap: 12px; flex-wrap: wrap; font-size: 0.7rem; pointer-events: none; align-items: center; }
#sm-o2-bar, #sm-pr-bar { display: inline-block; width: 60px; height: 6px; background: #0a1420; border-radius: 3px; overflow: hidden; vertical-align: middle; }
#sm-o2-fill { display: block; height: 100%; width: 100%; background: #4af; }
#sm-pr-fill { display: block; height: 100%; width: 0; background: #c41e3a; }
.sm-screen { position: fixed; inset: 0; z-index: 20; display: none; flex-direction: column; align-items: center; justify-content: center; padding: 24px; text-align: center; background: rgba(2,4,10,0.94); }
.sm-screen.active { display: flex; }
.sm-credit { font-size: 0.65rem; letter-spacing: 0.35em; text-transform: uppercase; opacity: 0.7; margin-bottom: 12px; color: #c8a84b; }
h1 { font-family: 'Bungee', cursive; font-size: clamp(1.4rem, 5vw, 2.2rem); color: #f0d880; margin-bottom: 12px; }
.sm-tagline { font-size: 0.85rem; margin-bottom: 20px; }
.sm-sub { font-size: 0.7rem; opacity: 0.6; margin-top: 12px; }
button { font-family: 'Syne Mono', monospace; font-size: 0.75rem; padding: 12px 28px; color: #fff; background: #102030; border: 1px solid rgba(138,176,208,0.4); border-radius: 6px; cursor: pointer; }
.sm-exit { position: fixed; bottom: 12px; right: 14px; font-size: 0.7rem; color: rgba(138,176,208,0.6); text-decoration: none; }