:root {
  --bg: #f4efe6;
  --panel: rgba(255, 251, 245, 0.92);
  --panel-border: rgba(77, 61, 38, 0.12);
  --text: #1f2933;
  --muted: #6b7280;
  --accent: #0f766e;
  --accent-strong: #115e59;
  --accent-soft: #d7f3ef;
  --danger: #b91c1c;
  --shadow: 0 18px 50px rgba(70, 52, 30, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 30%),
    radial-gradient(circle at top right, rgba(217, 119, 6, 0.12), transparent 28%),
    linear-gradient(180deg, #fcfaf5 0%, var(--bg) 100%);
}

.page-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.hero {
  padding: 24px 0 20px;
}

.search-toolbar {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) 60px;
  gap: 10px;
  align-items: center;
  margin: 0 0 18px;
}

.eyebrow,
.card-kicker {
  margin: 0 0 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-strong);
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.2rem, 5vw, 4.3rem);
  line-height: 0.95;
}

.hero-copy {
  margin: 16px 0 0;
  max-width: 720px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--muted);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 24px;
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.card::before {
  content: "";
  position: absolute;
  inset: auto -40px -40px auto;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.16), transparent 72%);
}

.card-head h2 {
  margin: 0 0 18px;
  font-size: 1.55rem;
}

.field-group {
  margin-bottom: 16px;
}

label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.94rem;
  font-weight: 500;
}

select,
input {
  width: 100%;
  border: 1px solid rgba(31, 41, 51, 0.12);
  border-radius: 14px;
  padding: 14px 16px;
  font: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.9);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

select:focus,
input:focus {
  outline: none;
  border-color: rgba(15, 118, 110, 0.5);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
  transform: translateY(-1px);
}

.button-row {
  display: flex;
  gap: 12px;
  margin: 18px 0 14px;
}

button {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  color: #f8fffd;
  background: linear-gradient(135deg, var(--accent), #0b8d83);
  transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(15, 118, 110, 0.18);
}

.search-button {
  width: 60px;
  height: 52px;
  padding: 0;
  display: grid;
  place-items: center;
}

.search-button svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

button.ghost {
  color: var(--accent-strong);
  background: rgba(15, 118, 110, 0.1);
}

.feedback {
  min-height: 24px;
  margin-bottom: 16px;
  font-size: 0.92rem;
  color: var(--muted);
}

.feedback.error {
  color: var(--danger);
}

.result-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.result-list div {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(31, 41, 51, 0.07);
}

.result-list.dense {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

dt {
  font-size: 0.82rem;
  color: var(--muted);
}

dd {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  font-weight: 700;
  word-break: break-word;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 860px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1120px);
    padding-top: 24px;
  }

  .search-toolbar {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 18px;
    border-radius: 20px;
  }

  .button-row,
  .result-list.dense {
    grid-template-columns: 1fr;
    display: grid;
  }
}