:root {
  --bg: #f4f7f5;
  --surface: #ffffff;
  --surface-2: #edf3ef;
  --text: #14211d;
  --muted: #60716a;
  --border: #d6e0db;
  --brand: #0b3b2e;
  --brand-2: #176b52;
  --accent: #f7c948;
  --danger: #a42a2a;
  --danger-bg: #fff1f1;
  --warning-bg: #fff8df;
  --shadow: 0 14px 40px rgba(16, 55, 43, 0.09);
  --radius: 18px;
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1613;
    --surface: #14201c;
    --surface-2: #1c2b25;
    --text: #eef7f2;
    --muted: #a6bbb1;
    --border: #30473e;
    --brand: #85d1b4;
    --brand-2: #9be0c5;
    --accent: #f7c948;
    --danger: #ffaaaa;
    --danger-bg: #351a1a;
    --warning-bg: #332c16;
    --shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% -10%, rgba(247, 201, 72, 0.12), transparent 30rem),
    radial-gradient(circle at 90% 0%, rgba(23, 107, 82, 0.10), transparent 28rem),
    var(--bg);
  color: var(--text);
}
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: var(--brand-2); text-underline-offset: 0.18em; }
a:hover { text-decoration-thickness: 2px; }
img { max-width: 100%; }

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  z-index: 100;
  transform: translateY(-180%);
  background: var(--surface);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: 0.65rem;
  border: 2px solid var(--brand);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.25rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.7rem;
  background: var(--brand);
  color: var(--accent);
  font-weight: 900;
}
.brand-word { font-size: 1.25rem; }
.environment-badge {
  border-radius: 999px;
  background: var(--warning-bg);
  color: var(--text);
  padding: 0.25rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.header-nav { margin-left: auto; display: flex; gap: 1rem; }
.header-nav a { color: var(--muted); text-decoration: none; font-size: 0.92rem; }
.header-nav a[aria-current="page"] { color: var(--text); font-weight: 700; }

main { min-height: calc(100vh - 190px); }
.search-shell, .content-page {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 5rem;
}
.hero { text-align: center; max-width: 750px; margin: 2rem auto 2rem; }
.eyebrow { margin: 0 0 0.7rem; color: var(--brand-2); font-weight: 800; letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.78rem; }
.hero h1 { margin: 0; font-size: clamp(2.25rem, 6vw, 4.4rem); line-height: 1.02; letter-spacing: -0.055em; }
.hero-copy { max-width: 640px; margin: 1.25rem auto 0; color: var(--muted); line-height: 1.7; font-size: 1.05rem; }
.search-shell.has-query { padding-top: 0.75rem; }
.search-shell.has-query .hero { display: none; }

.search-form { position: relative; }
.search-box {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  border-radius: 1.1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.search-box:focus-within { outline: 3px solid color-mix(in srgb, var(--brand-2) 25%, transparent); border-color: var(--brand-2); }
.search-box input[type="search"] {
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  padding: 1.15rem 3rem 1.15rem 1.25rem;
  outline: none;
  font-size: 1.08rem;
}
.search-box input::placeholder { color: var(--muted); }
.search-box input::-webkit-search-cancel-button { display: none; }
.search-button {
  margin: 0.42rem;
  border: 0;
  border-radius: 0.82rem;
  padding: 0.7rem 1.35rem;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
  cursor: pointer;
}
@media (prefers-color-scheme: dark) { .search-button { color: #0b2119; } }
.search-button:hover { filter: brightness(1.08); }
.icon-button { border: 0; background: transparent; color: var(--muted); cursor: pointer; }
.clear-button { position: absolute; right: 6.7rem; top: 50%; transform: translateY(-50%); font-size: 1.5rem; line-height: 1; width: 2.2rem; height: 2.2rem; border-radius: 999px; }
.clear-button:hover { background: var(--surface-2); }

.suggestions {
  position: absolute;
  z-index: 20;
  left: 0;
  right: 0;
  top: calc(100% + 0.5rem);
  list-style: none;
  padding: 0.45rem;
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.suggestions li { margin: 0; }
.suggestions button { width: 100%; border: 0; background: transparent; color: var(--text); text-align: left; padding: 0.8rem 1rem; border-radius: 0.7rem; cursor: pointer; }
.suggestions button:hover, .suggestions button[aria-selected="true"] { background: var(--surface-2); }

.search-controls { display: flex; align-items: center; justify-content: space-between; margin: 1rem 0 0; gap: 1rem; }
.result-tabs { display: flex; gap: 0.35rem; }
.tab-button, .filter-toggle, .secondary-button, .feedback-button {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  cursor: pointer;
}
.tab-button[aria-selected="true"] { background: var(--brand); color: #fff; border-color: var(--brand); font-weight: 700; }
@media (prefers-color-scheme: dark) { .tab-button[aria-selected="true"] { color: #0b2119; } }
.filter-toggle[aria-expanded="true"] { border-color: var(--brand-2); }
.filters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.filters label { display: grid; gap: 0.35rem; color: var(--muted); font-size: 0.78rem; font-weight: 700; }
.filters select, .filters input { width: 100%; border: 1px solid var(--border); border-radius: 0.65rem; background: var(--surface); color: var(--text); padding: 0.65rem 0.7rem; }

.status-region { min-height: 1.6rem; color: var(--muted); margin-top: 1rem; font-size: 0.9rem; }
.banner { border-radius: 0.9rem; padding: 0.9rem 1rem; margin-top: 1rem; line-height: 1.5; }
.banner.error { background: var(--danger-bg); border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent); color: var(--danger); }
.banner.warning { background: var(--warning-bg); border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); }
.result-summary { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; color: var(--muted); margin: 1.1rem 0; font-size: 0.9rem; }
.result-summary .fallback-label { border-radius: 999px; background: var(--warning-bg); color: var(--text); padding: 0.25rem 0.6rem; }
.results { display: grid; gap: 1rem; }
.web-result {
  padding: 1.15rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(16, 55, 43, 0.04);
}
.result-source { display: flex; align-items: center; gap: 0.65rem; color: var(--muted); font-size: 0.83rem; overflow: hidden; }
.result-source img { width: 1.25rem; height: 1.25rem; object-fit: contain; border-radius: 0.3rem; }
.result-source span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.web-result h2 { margin: 0.6rem 0 0.4rem; font-size: 1.24rem; line-height: 1.35; }
.web-result h2 a { text-decoration: none; }
.web-result h2 a:hover { text-decoration: underline; }
.result-snippet { margin: 0; color: var(--muted); line-height: 1.62; }
.result-snippet mark { background: color-mix(in srgb, var(--accent) 60%, transparent); color: inherit; border-radius: 0.2em; padding: 0 0.08em; }
.result-meta { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; margin-top: 0.8rem; color: var(--muted); font-size: 0.78rem; }
.feedback-controls { margin-left: auto; display: flex; gap: 0.3rem; }
.feedback-button { padding: 0.3rem 0.6rem; font-size: 0.75rem; }
.feedback-button:hover { border-color: var(--brand-2); }

.image-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; }
.image-result { min-width: 0; overflow: hidden; border: 1px solid var(--border); border-radius: 1rem; background: var(--surface); }
.image-result a { color: inherit; text-decoration: none; }
.image-frame { aspect-ratio: 4 / 3; background: var(--surface-2); overflow: hidden; display: grid; place-items: center; }
.image-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 180ms ease; }
.image-result:hover img { transform: scale(1.025); }
.image-placeholder { color: var(--muted); padding: 1rem; text-align: center; }
.image-copy { padding: 0.8rem; }
.image-copy h2 { margin: 0; font-size: 0.95rem; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.image-copy p { margin: 0.35rem 0 0; color: var(--muted); font-size: 0.75rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.load-more-wrap { text-align: center; padding: 1.5rem 0; }
.secondary-button { padding: 0.7rem 1.2rem; font-weight: 700; }
.secondary-button:hover { border-color: var(--brand-2); }
.secondary-button:disabled { cursor: wait; opacity: 0.65; }

.skeleton { position: relative; overflow: hidden; min-height: 128px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.skeleton::after { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, transparent 20%, rgba(255,255,255,.38) 45%, transparent 70%); transform: translateX(-100%); animation: shimmer 1.2s infinite; }
@keyframes shimmer { to { transform: translateX(100%); } }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }

.content-page { max-width: 780px; }
.content-page article { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: clamp(1.3rem, 4vw, 2.6rem); box-shadow: var(--shadow); }
.content-page h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.04em; }
.content-page h2 { margin-top: 2rem; }
.content-page p, .content-page li { line-height: 1.75; color: var(--muted); }

.site-footer { max-width: 1180px; margin: 0 auto; padding: 2rem 1.25rem 2.8rem; color: var(--muted); border-top: 1px solid var(--border); font-size: 0.85rem; }
.site-footer p { margin-top: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 1rem; }
.site-footer a { color: var(--muted); }
.site-footer small { display: block; margin-top: 1rem; }
.noscript { position: fixed; inset: auto 1rem 1rem; background: var(--danger-bg); color: var(--danger); padding: 1rem; border-radius: 0.75rem; }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 80%, #000); outline-offset: 3px; }
[hidden] { display: none !important; }

@media (max-width: 760px) {
  .site-header { min-height: 62px; }
  .header-nav { gap: 0.7rem; }
  .header-nav a { font-size: 0.82rem; }
  .search-shell, .content-page { width: min(100% - 1rem, 920px); padding-bottom: 3rem; }
  .hero { margin-top: 1.2rem; }
  .hero-copy { font-size: 0.95rem; }
  .search-box { grid-template-columns: minmax(0, 1fr) auto; }
  .search-box input[type="search"] { padding-left: 1rem; font-size: 1rem; }
  .search-button { padding-inline: 1rem; }
  .clear-button { right: 5.6rem; }
  .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .image-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .web-result { padding: 1rem; }
  .feedback-controls { width: 100%; margin-left: 0; }
}

@media (max-width: 430px) {
  .brand-word { display: none; }
  .filters { grid-template-columns: 1fr; }
  .image-grid { grid-template-columns: 1fr; }
  .search-controls { align-items: flex-start; }
}