@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;700;800&family=Inter:wght@300;400;600&family=DM+Mono:wght@300;400;500&display=swap');

:root {
  --fire: #e8390e;
  --fire-glow: rgba(232, 57, 14, 0.5);
  --fire-dim: rgba(232, 57, 14, 0.15);
  --ink: #0a0a09;
  --paper: #f2f0e8;
  --fog: rgba(242, 240, 232, 0.5);
  --glass: rgba(15, 15, 14, 0.9);
  --glass-border: rgba(242, 240, 232, 0.12);
  --ff-d: 'Syne', system-ui, sans-serif;
  --ff-m: 'DM Mono', monospace;
  --ff-main: 'Inter', system-ui, sans-serif;
  --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  
  /* High-Air Spacing System */
  --gap-xl: 5rem;
  --gap-lg: 3rem;
  --gap-md: 2rem;
  --pad-xl: 6rem;
  --pad-lg: 4rem;
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-font-smoothing: antialiased; }

body {
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--ff-main);
  overflow-x: hidden;
  line-height: 1.8; /* Increased for airiness */
  min-height: 100vh;
  letter-spacing: -0.01em;
}

/* Cyber-Glass */
.glass { 
  background: var(--glass); 
  backdrop-filter: blur(30px); 
  -webkit-backdrop-filter: blur(30px); 
  border: 1px solid var(--glass-border); 
  box-shadow: 0 25px 60px rgba(0,0,0,0.7); 
}
.glass:hover { border-color: rgba(232, 57, 14, 0.35); }

/* App Shell - Expanded for Air */
.app-shell { 
  display: grid; 
  grid-template-columns: 320px 1fr 380px; /* Wider sidebars */
  height: 100vh; 
  gap: var(--gap-md); 
  padding: var(--gap-md); 
  max-width: 2200px; /* Wider max width */
  margin: 0 auto; 
  overflow: hidden; 
}

/* Sidebar - More breathing room */
.sidebar { display: flex; flex-direction: column; padding: var(--pad-lg); border-radius: 6px; animation: slide-right 0.8s var(--ease); }
.brand { 
  font-family: var(--ff-d); 
  font-weight: 800; 
  font-size: 2rem; 
  color: var(--fire); 
  text-transform: uppercase; 
  letter-spacing: -1.5px; 
  margin-bottom: 6rem; 
  display: flex; 
  align-items: center; 
  gap: 1.2rem; 
}
.brand::before { content: ''; width: 16px; height: 16px; background: var(--fire); border-radius: 3px; box-shadow: 0 0 25px var(--fire); }

.nav-link { 
  display: flex; 
  align-items: center; 
  gap: 1.5rem; 
  padding: 1.4rem 0; 
  color: var(--fog); 
  text-decoration: none; 
  font-size: 0.85rem; 
  font-weight: 700; 
  text-transform: uppercase; 
  letter-spacing: 0.2em; 
  transition: var(--transition); 
  border-bottom: 1px solid transparent; 
}
.nav-link:hover, .nav-link.active { color: var(--fire); transform: translateX(12px); }
.nav-link.active { border-bottom-color: var(--fire-dim); }

/* Main Area - High Air */
.content-surface { 
  display: flex; 
  flex-direction: column; 
  gap: var(--gap-xl); 
  overflow-y: auto; 
  padding: var(--pad-lg); /* Added internal padding */
  padding-right: 2rem;
  scrollbar-width: none; 
  animation: fade-in 1s var(--ease); 
}
.content-surface::-webkit-scrollbar { display: none; }

/* HUD - Expanded */
.telemetry-hud { display: flex; flex-direction: column; padding: var(--pad-lg); border-radius: 6px; font-family: var(--ff-m); font-size: 0.8rem; overflow: hidden; }
.hud-title { color: var(--fire); font-weight: 800; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.5em; margin-bottom: 3rem; }
.hud-body { display: flex; flex-direction: column; gap: 1.2rem; flex: 1; overflow: hidden; }
.hud-line { display: flex; gap: 1.2rem; opacity: 0.95; border-left: 2px solid transparent; padding-left: 10px; transition: 0.3s; }
.hud-line:hover { border-left-color: var(--fire); background: rgba(232, 57, 14, 0.05); }
.hud-time { color: var(--fog); opacity: 0.6; font-size: 0.7rem; }
.hud-text { color: var(--paper); }
.hud-text.status { color: var(--fire); font-weight: 700; }

.hud-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-bottom: 2rem; }
.stat-box { padding: 2rem 1.5rem; border-radius: 6px; text-align: center; }
.stat-val { font-family: var(--ff-d); font-size: 2.2rem; font-weight: 800; color: var(--paper); line-height: 1; }
.stat-lbl { font-size: 0.6rem; color: var(--fire); text-transform: uppercase; letter-spacing: 0.4em; margin-top: 10px; }

/* Components - Grid Air */
.module-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); 
  gap: 2.5rem; 
}
.module-card { 
  padding: 3.5rem; 
  border-radius: 6px; 
  transition: var(--transition); 
  border-left: 4px solid transparent; 
}
.module-card:hover { 
  border-left-color: var(--fire); 
  background: rgba(232, 57, 14, 0.04); 
  transform: translateY(-8px);
}
.module-card h3 { 
  font-family: var(--ff-d); 
  font-size: 1.8rem; 
  font-weight: 800; 
  margin-bottom: 1.2rem; 
  letter-spacing: -1.2px; 
  line-height: 1.1;
}
.module-card p { font-size: 0.95rem; color: var(--fog); line-height: 1.8; }

/* Typography - Ultra Spacious */
.sec-h { 
  font-family: var(--ff-d); 
  font-weight: 800; 
  font-size: 6rem; /* Much larger */
  line-height: 0.85; 
  letter-spacing: -5px; 
  margin-bottom: 4rem; 
}
.sec-p { 
  color: var(--fog); 
  font-size: 1.4rem; 
  max-width: 850px; 
  line-height: 1.8; 
  margin-bottom: 3rem;
}
span.glow { color: var(--fire); text-shadow: 0 0 40px var(--fire-glow); }

/* Interactive Command Builder UI */
.flag-panel {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.flag-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-radius: 4px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--glass-border);
  transition: 0.3s var(--ease);
}
.flag-row:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--fire);
}
.flag-info h4 { font-family: var(--ff-m); color: var(--fire); font-size: 1rem; margin-bottom: 4px; }
.flag-info p { font-size: 0.75rem; color: var(--fog); letter-spacing: 0.05em; }

.command-bar {
  margin-top: 4rem;
  padding: 2.5rem;
  background: #000;
  border-radius: 4px;
  font-family: var(--ff-m);
  font-size: 1rem;
  color: #5af78e;
  border-left: 4px solid var(--fire);
  box-shadow: inset 0 0 50px rgba(90, 247, 142, 0.05);
}

/* Animations */
@keyframes slide-right { from { transform: translateX(-60px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes fade-in { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.reveal { animation: fade-in 1.2s var(--ease) backwards; }