/* Filter Hub - Search UI */
:root {
  --bg-0: #141c2f;
  --bg-1: #1c2740;
  --bg-2: #253352;
  --surface: rgba(255, 255, 255, 0.14);
  --surface-strong: rgba(255, 255, 255, 0.18);
  --text: #e6edf8;
  --muted: #b0bdd7;
  --accent: #2fe0c1;
  --accent-2: #6aa8ff;
  --border: rgba(106, 168, 255, 0.35);
  --glow: rgba(47, 224, 193, 0.22);
  --shadow: 0 18px 40px rgba(8, 14, 28, 0.35);
  --radius: 18px;
  --result-bg: #ffffff;
  --result-border: #dadce0;
  --result-text: #202124;
  --result-muted: #5f6368;
  --result-link: #1a73e8;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background: radial-gradient(1200px 600px at 15% 10%, rgba(106, 168, 255, 0.18), transparent 60%),
              radial-gradient(900px 500px at 90% 20%, rgba(47, 224, 193, 0.14), transparent 55%),
              linear-gradient(180deg, var(--bg-0), var(--bg-2));
  display: grid;
  place-items: center;
  padding: 24px;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(106, 168, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 168, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 50% 0%, rgba(0, 0, 0, 0.6), transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.page {
  width: 100%;
  max-width: 860px;
  display: grid;
  gap: 24px;
  position: relative;
  z-index: 1;
}

.brand {
  display: grid;
  gap: 8px;
  justify-items: center;
  text-align: center;
  animation: float-in 700ms ease-out both;
}

.brand .logo {
  font-family: "Space Grotesk", "IBM Plex Sans", sans-serif;
  font-size: clamp(32px, 5vw, 52px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text);
}

.brand .logo span {
  color: var(--accent);
  text-shadow: 0 0 18px var(--glow);
}

.brand .tagline {
  font-size: clamp(14px, 2.5vw, 18px);
  color: var(--muted);
}

.search-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(18px, 4vw, 32px);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  animation: float-in 900ms ease-out both;
  transition: transform 500ms ease;
}

.page.has-results .search-card {
  transform: translateY(-32px);
}

.search-form {
  display: grid;
  gap: 16px;
}

.search-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px;
  border-radius: 999px;
  background: var(--surface-strong);
  border: 1px solid rgba(106, 168, 255, 0.3);
  box-shadow: 0 0 0 1px rgba(47, 224, 193, 0.08);
}

.search-row:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(47, 224, 193, 0.25);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 16px;
  padding: 12px 16px;
  outline: none;
}

.search-input::placeholder {
  color: rgba(176, 189, 215, 0.75);
}

.clear-button {
  border: 1px solid rgba(106, 168, 255, 0.35);
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(2px);
  transition: opacity 200ms ease, transform 200ms ease, color 200ms ease, border-color 200ms ease;
}

.page.has-value .clear-button {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.clear-button:hover {
  color: var(--text);
  border-color: var(--accent-2);
}

.search-button {
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #041018;
  font-weight: 600;
  padding: 12px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}

.search-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(47, 224, 193, 0.3);
}

.search-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.suggestions {
  border: 1px solid #dadce0;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(60, 64, 67, 0.18);
  padding: 0;
  max-height: 0;
  overflow-y: auto;
  color: #202124;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  transition: max-height 240ms ease, opacity 200ms ease, transform 200ms ease, padding 200ms ease;
  margin-top: 0;
}

.suggestions.is-open {
  padding: 6px 0;
  max-height: 360px;
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
  margin-top: 8px;
}

.page.has-results .suggestions {
  max-height: 0;
  opacity: 0;
  transform: translateY(-6px) scale(0.98);
  pointer-events: none;
  padding: 0;
  margin-top: 0;
}

.suggestion-item {
  padding: 10px 16px;
  cursor: pointer;
  display: grid;
  gap: 4px;
}

.suggestion-item:hover,
.suggestion-item.is-active {
  background: #f1f3f4;
}

.suggestion-primary {
  font-size: 14px;
  font-weight: 500;
  color: #202124;
}

.suggestion-meta {
  font-size: 12px;
  color: #5f6368;
}

.suggestion-desc {
  font-size: 12px;
  color: #5f6368;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.suggestion-highlight {
  background: rgba(26, 115, 232, 0.18);
  color: #1a73e8;
  font-weight: 600;
  border-radius: 4px;
  padding: 0 2px;
}

.hide-on-results {
  max-height: 200px;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 400ms ease, max-height 500ms ease, transform 500ms ease;
  overflow: hidden;
}

.page.has-results .hide-on-results {
  max-height: 0;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page.has-results .chip-list {
  margin: 0;
}

.chip {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(106, 168, 255, 0.14);
  border: 1px solid rgba(106, 168, 255, 0.3);
  color: var(--text);
  font-size: 13px;
}

.results-shell {
  margin-top: 0;
  padding: 0;
  border-radius: 14px;
  border: 1px dashed transparent;
  color: var(--result-muted);
  font-size: 14px;
  background: rgba(255, 255, 255, 0.06);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(8px);
  transition: max-height 600ms ease, opacity 500ms ease, transform 600ms ease, padding 400ms ease, margin 400ms ease, border-color 400ms ease;
}

.page.has-results .results-shell {
  margin-top: 18px;
  padding: 16px;
  max-height: 260px;
  opacity: 1;
  transform: translateY(0);
  border-color: rgba(218, 220, 224, 0.9);
  background: rgba(255, 255, 255, 0.96);
}

.results-title {
  font-weight: 600;
  color: var(--result-text);
  margin-bottom: 12px;
}

.results-count {
  font-weight: 400;
  color: var(--result-muted);
  margin-left: 6px;
}

.results-list {
  display: grid;
  gap: 16px;
}

.result-item {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--result-bg);
  border: 1px solid var(--result-border);
  color: var(--result-text);
  display: grid;
  gap: 6px;
}

.result-item.result-empty {
  background: transparent;
  border-style: dashed;
  color: var(--result-muted);
}

.result-link {
  font-size: 12px;
  color: var(--result-muted);
  word-break: break-word;
}

.result-title-link {
  font-size: 16px;
  color: var(--result-link);
  font-weight: 500;
}

.result-meta {
  font-size: 12px;
  color: var(--result-muted);
}

.result-snippet {
  font-size: 13px;
  color: var(--result-text);
  line-height: 1.5;
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

@keyframes float-in {
  0% {
    opacity: 0;
    transform: translateY(18px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .search-row {
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
  }

  .search-button,
  .clear-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}