:root {
  --acid: #39ff14;
  --acid-dim: #2bcc10;
  --bg: #0d0d0d;
  --card: #1a1a1a;
  --text: #e8e8e8;
  --muted: #888;
}

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

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 2px solid var(--acid);
  background: linear-gradient(135deg, #111 0%, #1a2a1a 100%);
}

.logo { width: 56px; height: 56px; border-radius: 8px; border: 2px solid var(--acid); }

h1 { color: var(--acid); font-size: 1.6rem; letter-spacing: 0.05em; }
.sub { color: var(--muted); font-size: 0.9rem; }

nav {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 2rem;
  flex-wrap: wrap;
}

.tab {
  background: var(--card);
  border: 1px solid #333;
  color: var(--text);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: 0.2s;
}

.tab:hover, .tab.active {
  border-color: var(--acid);
  color: var(--acid);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.2);
}

main { padding: 1.5rem 2rem; max-width: 900px; }

.panel { display: none; }
.panel.active { display: block; }

h2 { color: var(--acid); margin-bottom: 1rem; font-size: 1.2rem; }

.form {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  background: var(--card);
  border-radius: 8px;
  border-left: 3px solid var(--acid);
}

input, textarea, select {
  background: #111;
  border: 1px solid #333;
  color: var(--text);
  padding: 0.6rem;
  border-radius: 4px;
  font: inherit;
}

input:focus, textarea:focus { outline: none; border-color: var(--acid); }

.btn {
  background: #222;
  border: 1px solid var(--acid);
  color: var(--acid);
  padding: 0.6rem 1.2rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  align-self: flex-start;
}

.btn.primary { background: var(--acid); color: #000; }
.btn:hover { filter: brightness(1.1); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--card);
  padding: 1rem;
  border-radius: 8px;
  border: 1px solid #2a2a2a;
}

.card.ok { border-color: var(--acid-dim); }
.card.no { border-color: #553333; opacity: 0.8; }

.card h3 { font-size: 0.95rem; color: var(--acid); margin-bottom: 0.4rem; }
.card .tag { font-size: 0.75rem; color: var(--muted); }
.card ul { font-size: 0.8rem; margin-top: 0.5rem; padding-left: 1rem; color: #aaa; }

.stats {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.stat {
  background: var(--card);
  padding: 0.8rem 1.2rem;
  border-radius: 6px;
  text-align: center;
}

.stat strong { display: block; font-size: 1.4rem; color: var(--acid); }

.list-item {
  background: var(--card);
  padding: 0.8rem;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  border-left: 2px solid var(--acid);
}

.list-item a { color: var(--acid); }

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  background: #111;
  border-top: 1px solid #333;
}

footer input { flex: 1; }

pre {
  background: #111;
  padding: 1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  overflow: auto;
  margin-top: 1rem;
}

.nerf { color: #ff6b6b; }
.buff { color: var(--acid); }

.drop-zone {
  border: 2px dashed #444;
  border-radius: 12px;
  padding: 2.5rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: 0.2s;
  background: var(--card);
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--acid);
  background: #152015;
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.15);
}

.drop-zone .muted { color: var(--muted); font-size: 0.85rem; margin-top: 0.4rem; }

.upload-progress {
  margin-top: 1rem;
  height: 6px;
  background: #222;
  border-radius: 3px;
  overflow: hidden;
}

.upload-progress .upload-bar {
  height: 100%;
  width: 0%;
  background: var(--acid);
  transition: width 0.3s;
  animation: pulse-bar 1.2s ease-in-out infinite;
}

@keyframes pulse-bar {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.preflight-ok { color: var(--acid); }
.preflight-warn { color: #ffaa44; }
.preflight-bad { color: #ff6b6b; }

@media (max-width: 768px) {
  header {
    flex-wrap: wrap;
    padding: 1rem clamp(1rem, 4vw, 1.5rem);
    gap: 0.75rem;
  }

  header > div {
    flex: 1 1 12rem;
    min-width: 0;
  }

  h1 { font-size: 1.25rem; }

  nav {
    padding: 0.75rem clamp(1rem, 4vw, 1.5rem);
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }

  .tab {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 0.45rem 0.75rem;
  }

  main {
    padding: 1rem clamp(1rem, 4vw, 1.5rem) calc(5rem + env(safe-area-inset-bottom, 0px));
    max-width: 100%;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .stats {
    flex-direction: column;
  }

  .stat { width: 100%; }

  footer {
    flex-wrap: wrap;
    padding: 0.65rem clamp(1rem, 4vw, 1.5rem);
    padding-bottom: calc(0.65rem + env(safe-area-inset-bottom, 0px));
  }

  footer input {
    flex: 1 1 100%;
    min-width: 0;
  }

  footer .btn {
    flex: 1 1 auto;
  }

  pre {
    font-size: 0.72rem;
    max-width: 100%;
  }
}