:root {
  --bg: #f5efe4;
  --panel: rgba(255, 250, 242, 0.88);
  --ink: #1f221d;
  --muted: #6a655d;
  --primary: #355f46;
  --primary-strong: #21392b;
  --accent: #9b6136;
  --line: rgba(93, 66, 33, 0.13);
  --shadow: 0 18px 44px rgba(73, 51, 24, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans TC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top, rgba(255, 250, 238, 0.78), transparent 30%),
    linear-gradient(180deg, #f7f1e7 0%, #e6d1b4 100%);
}

.page-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 28px 18px 44px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 12px 0 22px;
  text-align: center;
}

.eyebrow,
.section-eyebrow,
.toolbar-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section-head h2 {
  margin: 0;
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.hero-copy {
  max-width: 760px;
  margin: 12px auto 0;
  color: var(--muted);
  line-height: 1.7;
}

.hero-orbits {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orbit {
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.42;
}

.orbit-a {
  top: 12px;
  left: 10%;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(255, 202, 124, 0.72), transparent 68%);
}

.orbit-b {
  top: 24px;
  right: 12%;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle, rgba(86, 153, 112, 0.42), transparent 70%);
}

.orbit-c {
  left: 42%;
  bottom: -40px;
  width: 220px;
  height: 120px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.42), transparent 72%);
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 16px;
  margin-bottom: 26px;
}

.search-wrap,
.filter-wrap,
.portal-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.search-wrap,
.filter-wrap {
  padding: 16px;
}

.search-input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid rgba(50, 81, 61, 0.12);
  border-radius: 14px;
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.84);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid rgba(40, 79, 57, 0.16);
  border-radius: 999px;
  background: #fff9ef;
  color: var(--primary);
  font-size: 0.96rem;
  font-weight: 800;
  cursor: pointer;
}

.filter-chip.is-active {
  color: #fff;
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  margin-bottom: 18px;
}

.result-summary {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.portal-card {
  overflow: hidden;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.portal-card:hover {
  transform: translateY(-4px);
  border-color: rgba(48, 92, 67, 0.22);
  box-shadow: 0 22px 52px rgba(73, 51, 24, 0.18);
}

.card-cover {
  min-height: 156px;
  padding: 22px;
  background:
    radial-gradient(circle at 10% 10%, rgba(255, 255, 255, 0.4), transparent 28%),
    linear-gradient(135deg, #305c43 0%, #21402f 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.card-cover::before,
.card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.card-cover::before {
  opacity: 0.18;
}

.card-cover::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 28%, transparent 72%, rgba(0, 0, 0, 0.12));
}

.cover-badge {
  position: relative;
  z-index: 1;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 0.8rem;
  font-weight: 800;
}

.cover-title {
  position: relative;
  z-index: 1;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 900;
  max-width: 82%;
  line-height: 1.15;
}

.portal-card[data-type="game"] .card-cover {
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.28), transparent 25%),
    linear-gradient(135deg, #8a5a35 0%, #4b2f1f 100%);
}

.portal-card[data-type="game"] .card-cover::before {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.32) 0 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.22) 0 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(135deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.portal-card[data-type="tool"] .card-cover {
  background:
    radial-gradient(circle at 18% 18%, rgba(255, 255, 255, 0.3), transparent 25%),
    linear-gradient(135deg, #417355 0%, #213b2d 100%);
}

.portal-card[data-type="tool"] .card-cover::before {
  background:
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.48) 0 2px, transparent 3px),
    radial-gradient(circle at 62% 54%, rgba(255, 255, 255, 0.36) 0 2px, transparent 3px),
    linear-gradient(135deg, transparent 0 44%, rgba(255, 255, 255, 0.3) 44% 48%, transparent 48% 100%);
  background-size: 120px 120px, 140px 140px, auto;
}

.portal-card[data-type="game"] .card-link {
  background: linear-gradient(180deg, #7c4f2f, #4c2f1f);
}

.portal-card[data-type="tool"] .card-link {
  background: linear-gradient(180deg, #356348, #1f3b2d);
}

.card-body {
  padding: 18px;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.card-title {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

.card-desc {
  margin: 0 0 14px;
  color: var(--muted);
  line-height: 1.65;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tag {
  padding: 7px 10px;
  border-radius: 999px;
  background: #fff5e5;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
}

.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  min-width: 132px;
  padding: 10px 16px;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--primary), var(--primary-strong));
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.card-link:hover {
  filter: brightness(1.06);
}

.empty-state {
  padding: 40px 20px;
  border: 1px dashed rgba(40, 79, 57, 0.2);
  border-radius: 22px;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 250, 242, 0.7);
}

@media (max-width: 860px) {
  .toolbar,
  .card-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }
}