:root {
  --nx-navy: #0a1519;
  --nx-navy-2: #0e1e25;
  --nx-teal: #00c7b7;
  --nx-teal-dim: #0a9c91;
  --nx-text: #d6e6e4;
  --nx-muted: #7d9b97;
  --nx-line: #1c333a;
  --nx-crawl: #f5a623;
  --nx-search: #4d9dff;
  --nx-comm: #b76bff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--nx-navy);
  color: var(--nx-text);
  font-family: 'Bricolage Grotesque', sans-serif;
}

.app-shell {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 18px 80px;
  min-height: 100vh;
}

.grid-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 20% 0%, rgba(0,199,183,0.10), transparent 45%),
    radial-gradient(circle at 90% 20%, rgba(77,157,255,0.07), transparent 40%),
    linear-gradient(var(--nx-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--nx-line) 1px, transparent 1px);
  background-size: auto, auto, 44px 44px, 44px 44px;
  background-color: var(--nx-navy);
  opacity: 0.6;
}

/* header */
.nx-header { text-align: center; padding: 20px 0 8px; }
.logo-row { display: flex; align-items: center; justify-content: center; gap: 12px; }
.logo-glyph { font-size: 2.2rem; filter: drop-shadow(0 0 14px rgba(0,199,183,0.5)); }
.nx-title {
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.4rem);
  margin: 0;
  letter-spacing: -0.03em;
  background: linear-gradient(100deg, #fff 20%, var(--nx-teal));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.blink-cursor {
  color: var(--nx-teal);
  -webkit-text-fill-color: var(--nx-teal);
  animation: blink 1.1s steps(1) infinite;
  font-weight: 200;
}
@keyframes blink { 50% { opacity: 0; } }
.nx-tag { color: var(--nx-muted); font-weight: 200; margin: 6px 0 0; font-size: 1rem; }
.tag-code {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--nx-teal);
  background: rgba(0,199,183,0.08);
  padding: 1px 6px;
  border-radius: 5px;
  font-size: 0.85em;
}

/* search */
.search-wrap { margin: 22px auto 10px; max-width: 720px; }
.search-box { display: flex; gap: 10px; }
.search-input {
  flex: 1;
  background: var(--nx-navy-2);
  border: 1px solid var(--nx-line);
  border-radius: 14px;
  padding: 16px 18px;
  color: var(--nx-text);
  font-size: 1.05rem;
  font-family: 'IBM Plex Mono', monospace;
  outline: none;
  transition: box-shadow .2s, border-color .2s;
}
.search-input::placeholder { color: var(--nx-muted); }
.search-input:focus {
  border-color: var(--nx-teal);
  box-shadow: 0 0 0 3px rgba(0,199,183,0.18), 0 0 30px rgba(0,199,183,0.12);
}
.search-btn {
  background: var(--nx-teal);
  color: #04262b;
  border: none;
  border-radius: 14px;
  padding: 0 26px;
  font-weight: 800;
  font-size: 1rem;
  cursor: pointer;
  transition: transform .12s, box-shadow .2s, background .2s;
  white-space: nowrap;
}
.search-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,199,183,0.3); }
.search-btn:disabled { opacity: 0.55; cursor: wait; }

.recent-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 12px; }
.recent-label { font-family: 'IBM Plex Mono', monospace; color: var(--nx-muted); font-size: 0.75rem; }
.recent-chip {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--nx-line);
  color: var(--nx-muted);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all .15s;
  font-family: 'IBM Plex Mono', monospace;
}
.recent-chip:hover { color: var(--nx-teal); border-color: var(--nx-teal); }

/* tabs */
.tabs-row {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 18px auto; max-width: 900px;
  align-items: center;
}
.tab-pill {
  background: var(--nx-navy-2);
  border: 1px solid var(--nx-line);
  color: var(--nx-muted);
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex; align-items: center; gap: 7px;
  transition: all .15s;
}
.tab-pill:hover { border-color: var(--nx-teal-dim); color: var(--nx-text); }
.tab-active {
  background: var(--nx-teal);
  color: #04262b;
  border-color: var(--nx-teal);
}
.tab-count {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  background: rgba(0,0,0,0.22);
  padding: 1px 7px;
  border-radius: 8px;
}
.tab-active .tab-count { background: rgba(4,38,43,0.22); }
.submit-toggle {
  margin-left: auto;
  background: transparent;
  border: 1px dashed var(--nx-comm);
  color: var(--nx-comm);
  border-radius: 12px;
  padding: 8px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all .15s;
}
.submit-toggle:hover { background: rgba(183,107,255,0.1); }

/* submit panel */
.submit-panel {
  max-width: 640px;
  margin: 0 auto 20px;
  background: var(--nx-navy-2);
  border: 1px solid var(--nx-comm);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: slideDown .25s ease;
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.submit-head { margin: 0 0 4px; font-weight: 800; color: var(--nx-text); }
.form-input {
  background: var(--nx-navy);
  border: 1px solid var(--nx-line);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--nx-text);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  outline: none;
}
.form-input:focus { border-color: var(--nx-comm); }
.form-textarea { resize: vertical; min-height: 70px; font-family: 'Bricolage Grotesque', sans-serif; }
.form-submit {
  background: var(--nx-comm);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .12s;
}
.form-submit:hover { transform: translateY(-1px); }

/* error */
.nx-error {
  max-width: 720px; margin: 0 auto 14px;
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.4);
  color: var(--nx-crawl);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.88rem;
  font-family: 'IBM Plex Mono', monospace;
  text-align: center;
}

/* scan */
.scan-box { max-width: 720px; margin: 10px auto 24px; text-align: center; }
.scan-bar {
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--nx-teal), transparent);
  background-size: 40% 100%;
  border-radius: 3px;
  animation: scan 1.1s linear infinite;
}
@keyframes scan { 0% { background-position: -50% 0; } 100% { background-position: 150% 0; } }
.scan-msg {
  color: var(--nx-teal);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  margin-top: 10px;
}

/* results */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  max-width: 1000px;
  margin: 0 auto;
}
.result-card {
  background: var(--nx-navy-2);
  border: 1px solid var(--nx-line);
  border-radius: 14px;
  padding: 16px;
  transition: transform .15s, border-color .2s, box-shadow .2s;
  animation: fadeUp .4s both;
}
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.result-card:hover {
  transform: translateY(-3px);
  border-color: var(--nx-teal-dim);
  box-shadow: 0 10px 30px rgba(0,199,183,0.12);
}
.card-title {
  font-weight: 800;
  font-size: 1.1rem;
  margin: 0;
  text-transform: capitalize;
  line-height: 1.25;
}
.card-desc {
  color: var(--nx-muted);
  font-size: 0.88rem;
  margin: 8px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}
.card-link {
  font-family: 'IBM Plex Mono', monospace;
  color: var(--nx-teal);
  font-size: 0.82rem;
  text-decoration: none;
  word-break: break-all;
  transition: color .15s;
}
.card-link:hover { text-decoration: underline; color: #fff; }
.status-dot {
  width: 9px; height: 9px; border-radius: 50%;
  flex-shrink: 0; display: inline-block;
}
.status-dot.live { background: #2ecc71; box-shadow: 0 0 8px #2ecc71; }
.status-dot.unverified { background: #445; border: 1px solid #667; }
.card-by {
  margin-top: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--nx-comm);
}

/* source badge */
.src-badge {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.62rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  white-space: nowrap;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.badge-crawled { background: rgba(245,166,35,0.12); color: var(--nx-crawl); border: 1px solid rgba(245,166,35,0.35); }
.badge-search { background: rgba(77,157,255,0.12); color: var(--nx-search); border: 1px solid rgba(77,157,255,0.35); }
.badge-community { background: rgba(183,107,255,0.12); color: var(--nx-comm); border: 1px solid rgba(183,107,255,0.35); }

/* empty */
.empty-state { text-align: center; padding: 50px 20px; }
.empty-glyph { font-size: 3rem; opacity: 0.7; }
.empty-text { color: var(--nx-muted); font-size: 1rem; margin-top: 14px; font-weight: 200; }
.empty-sub { color: var(--nx-teal-dim); font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; margin-top: 8px; }
.empty-link {
  background: none; border: none; color: var(--nx-teal);
  cursor: pointer; text-decoration: underline; font-size: 1rem; padding: 0;
}

/* footer */
.nx-footer {
  margin-top: 60px;
  text-align: center;
  border-top: 1px solid var(--nx-line);
  padding-top: 24px;
}
.foot-disclaim { color: var(--nx-muted); font-size: 0.82rem; font-weight: 200; }
.foot-link {
  color: var(--nx-teal);
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  text-decoration: none;
}
.foot-link:hover { text-decoration: underline; }

/* toast */
.nx-toast {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  background: var(--nx-navy-2);
  border: 1px solid var(--nx-teal);
  color: var(--nx-text);
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 0.9rem;
  box-shadow: 0 10px 40px rgba(0,199,183,0.25);
  animation: toastIn .3s ease;
  z-index: 50;
  max-width: 90vw;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 20px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* auth pill */
#auth-status:empty { display: none; }
.auth-pill {
  position: fixed;
  top: 14px; right: 14px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--nx-teal);
  background: var(--nx-navy-2);
  border: 1px solid var(--nx-line);
  padding: 5px 12px;
  border-radius: 20px;
  z-index: 40;
}
.auth-guest { color: var(--nx-muted); }

@media (max-width: 560px) {
  .search-box { flex-direction: column; }
  .search-btn { padding: 14px; }
  .tabs-row { justify-content: center; }
  .submit-toggle { margin-left: 0; width: 100%; }
}