/* Shohan's Keyword Research Tool — Styles */

:root {
  --bg: #0f1419;
  --card: #1a2332;
  --card-border: #2a3a52;
  --text: #e8edf3;
  --muted: #8b98ab;
  --accent: #f59e0b;
  --accent-dark: #b45309;
  --green: #22c55e;
  --green-bg: #14532d;
  --yellow: #eab308;
  --yellow-bg: #713f12;
  --red: #ef4444;
  --red-bg: #7f1d1d;
  --blue: #3b82f6;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* Topbar */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--card-border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand .logo { font-size: 2rem; }
.brand h1 { font-size: 1.25rem; font-weight: 700; }
.tagline { font-size: 0.8rem; color: var(--muted); }

.tabs { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.tab {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--muted);
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s;
}
.tab:hover { border-color: var(--accent); color: var(--text); }
.tab.active { background: var(--accent); border-color: var(--accent); color: #000; font-weight: 600; }

/* Main */
main { max-width: 1100px; margin: 0 auto; padding: 2rem 1rem; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.card h3 { margin-bottom: 1rem; font-size: 1.1rem; }
.card h4 { margin: 1rem 0 0.5rem; color: var(--accent); }
.card ul { margin-left: 1.25rem; margin-bottom: 0.75rem; }
.card p { margin-bottom: 0.75rem; }
.muted { color: var(--muted); font-size: 0.9rem; }
.beta {
  font-size: 0.65rem; background: var(--blue); color: #fff;
  padding: 0.15rem 0.5rem; border-radius: 4px; vertical-align: middle;
}

/* Search */
.search-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.search-row { display: flex; gap: 0.75rem; margin-bottom: 0.75rem; flex-wrap: wrap; }
.search-row input[type="text"] {
  flex: 1; min-width: 200px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
}
.search-row select {
  padding: 0.75rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}
.options-row { align-items: center; }
.check { display: flex; align-items: center; gap: 0.4rem; font-size: 0.9rem; cursor: pointer; }
.check input { accent-color: var(--accent); }
.hint { font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; }

/* Buttons */
.btn-primary {
  background: var(--accent);
  color: #000;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--accent-dark); color: #fff; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-secondary {
  background: transparent;
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn-secondary:hover { border-color: var(--accent); }
.btn-small {
  padding: 0.4rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-build:hover { border-color: var(--green); background: var(--green-bg); }
.btn-skip:hover { border-color: var(--red); background: var(--red-bg); }
.actions-row { display: flex; gap: 0.75rem; margin: 1rem 0; flex-wrap: wrap; }

/* Loading */
.loading { text-align: center; padding: 3rem; }
.spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--card-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.hidden { display: none !important; }

/* Verdict banner */
.verdict-banner {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  border: 2px solid;
}
.verdict-banner.pass { background: var(--green-bg); border-color: var(--green); }
.verdict-banner.marginal { background: var(--yellow-bg); border-color: var(--yellow); }
.verdict-banner.fail { background: var(--red-bg); border-color: var(--red); }
.verdict-badge {
  font-size: 1.5rem;
  font-weight: 800;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  background: rgba(0,0,0,0.3);
  white-space: nowrap;
}
.verdict-text { flex: 1; }
.verdict-text h2 { font-size: 1.2rem; margin-bottom: 0.25rem; }
.verdict-text p { font-size: 0.9rem; opacity: 0.9; }
.verdict-actions { display: flex; gap: 0.5rem; }

/* Score grid */
.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.score-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 1.25rem;
  text-align: center;
}
.score-label { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.5rem; }
.score-value { font-size: 1.75rem; font-weight: 800; color: var(--accent); }
.score-value.small { font-size: 1.2rem; }
.score-sub { font-size: 0.85rem; color: var(--muted); margin-top: 0.25rem; }

/* Gate checks */
.gate-check {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem;
  border-radius: 8px;
  margin-bottom: 0.5rem;
  background: rgba(255,255,255,0.02);
}
.gate-check .icon { font-size: 1.25rem; }
.gate-check.pass .icon { color: var(--green); }
.gate-check.marginal .icon { color: var(--yellow); }
.gate-check.fail .icon { color: var(--red); }
.gate-check strong { display: block; margin-bottom: 0.15rem; }
.gate-check p { font-size: 0.85rem; color: var(--muted); }

/* SERP table */
.comp-bar {
  display: flex;
  height: 24px;
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}
.comp-seg { transition: width 0.5s; }
.comp-seg.opp { background: var(--green); }
.comp-seg.neu { background: var(--yellow); }
.comp-seg.wall { background: var(--red); }
.comp-legend { display: flex; gap: 1.5rem; font-size: 0.85rem; margin-bottom: 1rem; flex-wrap: wrap; }
.comp-legend span::before {
  content: '● '; font-size: 1rem;
}
.comp-legend .l-opp::before { color: var(--green); }
.comp-legend .l-neu::before { color: var(--yellow); }
.comp-legend .l-wall::before { color: var(--red); }

.serp-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.serp-table th, .serp-table td {
  padding: 0.6rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}
.serp-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
.serp-table td a { color: var(--blue); text-decoration: none; }
.serp-table td a:hover { text-decoration: underline; }
.type-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}
.type-badge.opportunity { background: var(--green-bg); color: var(--green); }
.type-badge.neutral { background: var(--yellow-bg); color: var(--yellow); }
.type-badge.wall { background: var(--red-bg); color: var(--red); }
.auth-bar {
  display: inline-block;
  width: 60px; height: 8px;
  background: var(--card-border);
  border-radius: 4px;
  overflow: hidden;
  vertical-align: middle;
  margin-right: 0.4rem;
}
.auth-fill { height: 100%; border-radius: 4px; }

/* Lists */
.clean-list { list-style: none; margin: 0; }
.clean-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--card-border);
  font-size: 0.9rem;
}
.clean-list li:last-child { border-bottom: none; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
@media (max-width: 700px) { .two-col { grid-template-columns: 1fr; } }

.disclaimer {
  font-size: 0.8rem;
  color: var(--yellow);
  margin-top: 1rem;
  padding: 0.75rem;
  background: var(--yellow-bg);
  border-radius: 8px;
}

/* Cluster */
#cluster-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: monospace;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.cluster-box {
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}
.cluster-box h4 { color: var(--accent); margin-bottom: 0.5rem; }
.cluster-box .kw-tag {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--card-border);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.85rem;
  margin: 0.2rem;
}
.cluster-box .kw-tag.primary {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 600;
}
.content-map-item {
  padding: 1rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 0.75rem;
}
.content-map-item h4 { margin-bottom: 0.5rem; }

/* History */
.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  cursor: pointer;
}
.history-item:hover { border-color: var(--accent); }
.history-item .h-kw { font-weight: 600; }
.history-item .h-meta { font-size: 0.8rem; color: var(--muted); }
.h-verdict {
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 700;
}
.h-verdict.PASS { background: var(--green-bg); color: var(--green); }
.h-verdict.MARGINAL { background: var(--yellow-bg); color: var(--yellow); }
.h-verdict.FAIL { background: var(--red-bg); color: var(--red); }

/* Error */
.error-box {
  background: var(--red-bg);
  border: 1px solid var(--red);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--card-border);
  margin-top: 2rem;
}

/* Responsive */
@media (max-width: 600px) {
  .topbar { padding: 1rem; }
  main { padding: 1rem 0.75rem; }
  .verdict-banner { flex-direction: column; text-align: center; }
  .search-row { flex-direction: column; }
}

/* Manual SERP mode */
.manual-box {
  margin-top: 12px;
  padding: 14px;
  border: 1px dashed var(--accent, #f59e0b);
  border-radius: 10px;
  background: rgba(245, 158, 11, 0.06);
}
.manual-title { font-weight: 600; margin: 0 0 8px; }
#manual-domains {
  width: 100%;
  min-height: 110px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #e2e8f0;
  padding: 10px;
  font-family: ui-monospace, monospace;
  font-size: 13px;
  resize: vertical;
}
.manual-features {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 10px;
  flex-wrap: wrap;
}
.tag-new {
  font-size: 10px;
  background: #16a34a;
  color: #fff;
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 4px;
  vertical-align: middle;
}
.muted { color: #94a3b8; font-size: 12px; }