/* === APP PAGE STYLES === */

/* NAV LINK */
.nav-link {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
}
.nav-link:hover { color: var(--text-primary); }

/* SEARCH HERO */
.app-hero {
  padding: 60px 48px 40px;
  max-width: 1400px;
  margin: 0 auto;
}

.app-hero-inner { max-width: 680px; }

.app-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 32px;
}

/* SEARCH BAR */
.search-wrapper {
  display: flex;
  gap: 0;
  max-width: 600px;
}

.search-input {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-right: none;
  border-radius: 8px 0 0 8px;
  padding: 14px 18px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--accent); }

.search-btn {
  background: var(--accent);
  color: #0d1117;
  border: none;
  border-radius: 0 8px 8px 0;
  padding: 14px 24px;
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.search-btn:hover { opacity: 0.85; }

/* SEARCH HINTS */
.search-hints {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  font-size: 0.75rem;
  color: var(--text-muted);
}
.hint-divider { color: var(--border); }

/* FILTER BAR */
.filter-bar {
  padding: 0 48px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}
.filter-inner {
  display: flex;
  gap: 8px;
  padding: 12px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.filter-inner::-webkit-scrollbar { display: none; }

.filter-chip {
  padding: 6px 14px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
  font-family: 'IBM Plex Sans', sans-serif;
}
.filter-chip:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}
.filter-chip.active {
  background: var(--accent-dim);
  border-color: rgba(184, 255, 87, 0.3);
  color: var(--accent);
}

/* RESULTS AREA */
.results-area {
  padding: 32px 48px 80px;
  max-width: 1400px;
  margin: 0 auto;
  min-height: 60vh;
}

/* EMPTY STATE */
.empty-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: 20px;
}

/* RESULT CARD */
.result-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.result-card:hover { border-color: rgba(184, 255, 87, 0.25); }

.result-header {
  padding: 10px 16px;
  background: var(--accent-dim);
  border-bottom: 1px solid var(--border);
}

.result-category {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
}

.result-objection {
  padding: 16px 18px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  font-style: italic;
}

.result-responses {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.response-item {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
}

.response-tag {
  display: inline-block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 3px;
  margin-bottom: 6px;
}

.response-tag.reframe { background: rgba(124, 106, 247, 0.15); color: #a89cf8; }
.response-tag.probe { background: rgba(14, 165, 233, 0.15); color: #38bdf8; }
.response-tag.validate { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.response-tag.anchor { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.response-tag.question { background: rgba(236, 72, 153, 0.15); color: #f472b6; }
.response-tag.deadline { background: rgba(239, 68, 68, 0.15); color: #f87171; }

.response-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* NO RESULTS */
.no-results {
  text-align: center;
  padding: 60px 24px;
}
.no-results-title {
  font-family: 'Syne', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.no-results-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* LOADING */
.loading-state {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 40px;
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* RESPONSIVE */
@media (max-width: 900px) {
  .app-hero { padding: 40px 24px 32px; }
  .results-area { padding: 24px; }
  .filter-bar { padding: 0 24px; }
  .featured-grid { grid-template-columns: 1fr; }
  .search-wrapper { max-width: 100%; }
}

@media (max-width: 600px) {
  .app-headline { font-size: 1.8rem; }
  .nav { padding: 16px 24px; }
  .search-btn { padding: 14px 16px; font-size: 0.85rem; }
}