:root {
  --bg: #0b1020;
  --card: #131a33;
  --fg: #e8ecff;
  --muted: #a9b3d8;
  --accent: #6aa2ff;
  --accent-2: #5df2c2;
  --danger: #ff6a6a;
  --shadow: rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body { background: var(--bg); color: var(--fg); font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial; }

.header { padding: 16px 20px; border-bottom: 1px solid #223; background: #0d1430; position: sticky; top: 0; z-index: 10; }
.header h1 { margin: 0; font-size: 18px; color: var(--accent-2); letter-spacing: 0.4px; }

.container { max-width: 900px; margin: 24px auto; padding: 0 16px; }

.query-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--card);
  border: 1px solid #22314d;
  padding: 16px;
  border-radius: 12px;
  box-shadow: 0 8px 24px var(--shadow);
}

.search-sources {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-sources__label {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.search-sources__buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* Search options styling (similar to search sources) */
.search-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-options__label {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
}

.search-options__buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.search-source-btn {
  padding: 6px 12px;
  border-radius: 6px;
  border: 2px solid #ff6a6a; /* Red border for unselected */
  background: #333; /* Dark background for unselected */
  color: #ff6a6a; /* Red text for unselected */
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: line-through; /* Strikethrough for unselected */
  opacity: 0.6; /* Dimmed for unselected */
  position: relative;
}

/* Search option buttons (same styling as search source buttons) */
.search-option-btn {
  padding: 6px 12px;
  border-radius: 6px;
  border: 2px solid #ff6a6a; /* Red border for unselected */
  background: #333; /* Dark background for unselected */
  color: #ff6a6a; /* Red text for unselected */
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: line-through; /* Strikethrough for unselected */
  opacity: 0.6; /* Dimmed for unselected */
  position: relative;
}

.search-source-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(255, 106, 106, 0.3);
}

.search-option-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(255, 106, 106, 0.3);
}

.search-source-btn--active {
  background: #5df2c2; /* Bright green - selected state */
  color: #0b1020; /* Dark text for contrast */
  border-color: #5df2c2; /* Green border */
  text-decoration: none; /* Remove strikethrough for selected */
  opacity: 1; /* Full opacity for selected */
  font-weight: 700; /* Bold text for selected */
  box-shadow: 0 0 10px rgba(93, 242, 194, 0.4); /* Glow effect */
}

.search-option-btn--active {
  background: #5df2c2; /* Bright green - selected state */
  color: #0b1020; /* Dark text for contrast */
  border-color: #5df2c2; /* Green border */
  text-decoration: none; /* Remove strikethrough for selected */
  opacity: 1; /* Full opacity for selected */
  font-weight: 700; /* Bold text for selected */
  box-shadow: 0 0 10px rgba(93, 242, 194, 0.4); /* Glow effect */
}

.search-source-btn--active:hover {
  box-shadow: 0 2px 8px rgba(93, 242, 194, 0.5);
}

.search-option-btn--active:hover {
  box-shadow: 0 2px 8px rgba(93, 242, 194, 0.5);
}

.query-input-section {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: end;
}

.query-input-section > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.query-form label:not(.search-sources__label) {
  font-size: 12px;
  color: var(--muted);
}
.query-form input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #2a3860;
  background: #0f1530;
  color: var(--fg);
  outline: none;
}
.query-form button {
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid #335;
  background: linear-gradient(145deg, var(--accent), #4f88f0);
  color: white;
  font-weight: 600;
  cursor: pointer;
}
.query-form button:hover { filter: brightness(1.05); }

.status { margin-top: 12px; color: var(--muted); font-size: 14px; }

.results {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}
.result-card {
  background: var(--card);
  border: 1px solid #22314d;
  padding: 14px;
  border-radius: 12px;
  box-shadow: 0 6px 16px var(--shadow);
}
.result-title { margin: 0 0 10px; font-size: 18px; color: var(--accent-2); }
.result-meta { margin: 2px 0; color: var(--muted); font-size: 13px; }
.result-links a { color: var(--accent); text-decoration: none; }
.result-links a:hover { text-decoration: underline; }

/* Key-value rows */
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px; margin: 6px 0; }
.kv .k { color: var(--muted); font-size: 12px; }
.kv .v { color: var(--fg); font-size: 14px; }

/* Chips for lists */
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; list-style: none; }
.chip {
  padding: 4px 8px;
  border-radius: 999px;
  background: #0f1530;
  border: 1px solid #2a3860;
  color: var(--fg);
  font-size: 12px;
  white-space: nowrap;
}

.meter {
  height: 8px;
  background: #0f1530;
  border: 1px solid #2a3860;
  border-radius: 999px;
  overflow: hidden;
}
.meter > span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent-2), var(--accent));
}

/* Modal */
.modal {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(2px);
  padding: 24px;
}
.modal[hidden] { display: none; }
.modal__content {
  width: min(640px, 100%);
  background: var(--card);
  border: 1px solid #22314d;
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 10px 28px var(--shadow);
}
.modal__options { margin-top: 10px; display: grid; gap: 8px; }
.option-btn {
  text-align: left;
  border: 1px solid #2a3860;
  background: #0f1530;
  color: var(--fg);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
}
.option-btn:hover { border-color: var(--accent); }
.modal__close {
  margin-top: 12px;
  background: transparent;
  border: 1px solid #394a7a;
  color: var(--muted);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

/* Spinner (circular with rotating messages) */
.spinner {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1000;
}
.spinner[hidden] { display: none; }
.spinner__box {
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: 18px 22px;
  background: var(--card);
  border: 1px solid #22314d;
  border-radius: 12px;
  box-shadow: 0 10px 28px var(--shadow);
}
.spinner__circle {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 3px solid #2a3860;
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
.spinner__text { margin: 0; color: var(--muted); font-size: 13px; min-height: 1em; }
@keyframes spin {
  to { transform: rotate(360deg); }
}

.sources {
  list-style: none;
  padding: 0;
  margin: 6px 0 0;
  display: grid;
  gap: 6px;
}

.source-provider {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border-radius: 8px;
  background: rgba(90, 162, 255, 0.16);
  border: 1px solid rgba(90, 162, 255, 0.45);
  color: var(--accent);
  font-size: 12px;
  text-decoration: none;
}

.source-provider:hover {
  background: rgba(90, 162, 255, 0.28);
}

.source-note {
  display: inline-block;
  margin-left: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}