:root {
  --bg: #f3efe6;
  --text: #0f1720;
  --text-soft: rgba(15, 23, 32, 0.68);
  --text-on-dark: #f7fbfa;
  --card-border: rgba(186, 225, 223, 0.18);
  --mint: #7ce0d6;
  --gold: #f2c676;
  --rose: #f08b84;
  --shadow-xl: 0 30px 80px rgba(20, 42, 53, 0.18);
  --shadow-lg: 0 18px 40px rgba(10, 28, 38, 0.18);
  --radius-xl: 30px;
  --max-width: 1280px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at 20% 15%, rgba(124, 224, 214, 0.52), transparent 28%),
    radial-gradient(circle at 82% 12%, rgba(240, 139, 132, 0.24), transparent 24%),
    linear-gradient(180deg, #f7f3eb 0%, #eef4f2 42%, #ebf0ef 100%);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(10, 26, 34, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 26, 34, 0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  content: "";
  pointer-events: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  border: 0;
  background: none;
  color: inherit;
}

.page-shell {
  padding: 18px;
}

.topbar {
  position: sticky;
  top: 18px;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(var(--max-width), calc(100vw - 36px));
  margin: 0 auto;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
  background: rgba(248, 244, 236, 0.7);
  backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(22, 39, 46, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: linear-gradient(135deg, #0d2634, #1c5964);
  color: var(--text-on-dark);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-copy strong,
.brand-copy small,
.ghost-link,
.hero-brand,
.section-kicker,
.card-url,
.badge,
.demo-remark,
.toolbar-meta,
.card-meta dt,
.card-meta dd {
  letter-spacing: 0.02em;
}

.brand-copy strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.brand-copy small {
  color: var(--text-soft);
  font-size: 0.82rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.ghost-link {
  color: rgba(15, 23, 32, 0.82);
  cursor: pointer;
}

.hero,
.control-panel,
.portal-grid {
  width: min(var(--max-width), 100%);
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  margin-top: 14px;
  padding: 120px 38px 56px;
  border-radius: 36px;
  background:
    linear-gradient(135deg, rgba(7, 24, 33, 0.95), rgba(14, 50, 61, 0.88)),
    radial-gradient(circle at 30% 30%, rgba(124, 224, 214, 0.18), transparent 22%);
  color: var(--text-on-dark);
  box-shadow: var(--shadow-xl);
}

.hero::before {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.04) 45%, transparent 70%),
    radial-gradient(circle at 80% 25%, rgba(242, 198, 118, 0.2), transparent 18%);
  content: "";
}

.hero-noise {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(rgba(255, 255, 255, 0.08) 0.65px, transparent 0.65px);
  background-size: 14px 14px;
  opacity: 0.18;
  mix-blend-mode: soft-light;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 420px);
  gap: 42px;
  align-items: end;
}

.eyebrow,
.section-kicker,
.hero-brand {
  margin: 0 0 18px;
  color: rgba(247, 251, 250, 0.72);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.84rem;
  font-weight: 500;
  text-transform: uppercase;
}

.hero-brand {
  margin-bottom: 10px;
  color: var(--mint);
}

.hero h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3rem, 8vw, 5.9rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-description {
  max-width: 560px;
  margin: 24px 0 0;
  color: rgba(247, 251, 250, 0.78);
  font-size: 1.05rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.primary-button,
.secondary-button,
.toolbar-button,
.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.primary-button,
.primary-link {
  background: linear-gradient(135deg, #7ce0d6, #d5f6eb);
  color: #08252f;
  font-weight: 700;
  box-shadow: 0 16px 30px rgba(124, 224, 214, 0.22);
}

.secondary-button,
.secondary-link,
.toolbar-button {
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-on-dark);
}

.primary-button:hover,
.secondary-button:hover,
.toolbar-button:hover,
.primary-link:hover,
.secondary-link:hover,
.ghost-link:hover,
.text-button:hover {
  transform: translateY(-1px);
}

.hero-stage {
  display: grid;
  gap: 22px;
}

.hero-orbit {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(124, 224, 214, 0.18), transparent 42%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.09));
  border: 1px solid rgba(255, 255, 255, 0.16);
  overflow: hidden;
}

.orbit-ring,
.signal,
.hero-stage-center {
  position: absolute;
}

.orbit-ring {
  inset: 12%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}

.orbit-ring-b {
  inset: 27%;
  border-color: rgba(124, 224, 214, 0.22);
}

.signal {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(124, 224, 214, 0.08);
}

.signal-a {
  top: 20%;
  right: 17%;
  background: var(--mint);
}

.signal-b {
  bottom: 17%;
  right: 28%;
  background: var(--gold);
}

.signal-c {
  left: 22%;
  bottom: 28%;
  background: var(--rose);
}

.hero-stage-center {
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  gap: 4px;
  width: 38%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(4, 17, 25, 0.88);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.hero-stage-center span,
.hero-stage-center small {
  color: rgba(247, 251, 250, 0.66);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.74rem;
}

.hero-stage-center strong {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.metric-item {
  padding: 14px 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.metric-item strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.4rem;
}

.metric-item span {
  color: rgba(247, 251, 250, 0.72);
  font-size: 0.84rem;
}

.control-panel {
  padding: 44px 0 20px;
}

.control-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 420px);
  gap: 30px;
  align-items: end;
}

.section-kicker {
  color: rgba(15, 23, 32, 0.58);
}

.control-copy h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

#portal-summary {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.9;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-top: 30px;
  padding: 18px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 14px 40px rgba(15, 23, 32, 0.08);
  backdrop-filter: blur(14px);
}

.search-box {
  display: grid;
  gap: 8px;
}

.search-box span {
  color: rgba(15, 23, 32, 0.58);
  font-size: 0.86rem;
}

.search-box input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid rgba(10, 28, 38, 0.08);
  border-radius: 18px;
  background: rgba(252, 252, 249, 0.95);
  color: var(--text);
  outline: none;
}

.search-box input:focus {
  border-color: rgba(24, 182, 164, 0.45);
  box-shadow: 0 0 0 4px rgba(24, 182, 164, 0.08);
}

.toolbar-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(15, 23, 32, 0.58);
}

.toolbar-button {
  border: 1px solid rgba(10, 28, 38, 0.08);
  background: rgba(255, 255, 255, 0.68);
  color: var(--text);
}

.category-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 18px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid rgba(10, 28, 38, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: rgba(15, 23, 32, 0.8);
  cursor: pointer;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.chip:hover,
.chip.active {
  border-color: rgba(24, 182, 164, 0.3);
  background: rgba(24, 182, 164, 0.12);
  color: #0a2b31;
}

.portal-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 14px;
  padding: 12px 0 56px;
}

.portal-card {
  position: relative;
  display: grid;
  gap: 14px;
  min-height: 290px;
  padding: 18px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(21, 44, 58, 0.92), rgba(8, 24, 34, 0.98)),
    linear-gradient(135deg, rgba(124, 224, 214, 0.08), transparent 40%);
  color: var(--text-on-dark);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
  grid-column: span 3;
}

.portal-card::after {
  position: absolute;
  inset: -35% auto auto -8%;
  width: 62%;
  height: 62%;
  background: radial-gradient(circle, rgba(124, 224, 214, 0.24), transparent 70%);
  content: "";
  opacity: 0.7;
  pointer-events: none;
}

.portal-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 224, 214, 0.26);
  box-shadow: 0 24px 50px rgba(2, 13, 20, 0.34);
}

.portal-card.featured {
  grid-column: span 4;
}

.card-head,
.card-meta,
.card-actions,
.demo-header {
  position: relative;
  z-index: 1;
}

.card-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
}

.card-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(124, 224, 214, 0.22), rgba(255, 255, 255, 0.08));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.92rem;
  font-weight: 700;
}

.card-icon img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.card-badges,
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.card-badges {
  margin-bottom: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(247, 251, 250, 0.76);
  font-size: 0.72rem;
}

.card-name {
  margin: 0;
  font-size: 1.16rem;
  line-height: 1.24;
}

.card-url {
  margin: 6px 0 0;
  color: rgba(247, 251, 250, 0.56);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.74rem;
}

.card-details {
  position: relative;
  z-index: 1;
  margin: 0;
  color: rgba(247, 251, 250, 0.84);
  font-size: 0.9rem;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags .badge {
  background: rgba(124, 224, 214, 0.12);
  color: rgba(247, 251, 250, 0.9);
}

.card-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.card-meta div {
  display: grid;
  gap: 4px;
}

.card-meta dt {
  color: rgba(247, 251, 250, 0.48);
  font-size: 0.68rem;
}

.card-meta dd {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.45;
}

.demo-box {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.demo-header strong,
.text-button {
  font-size: 0.8rem;
}

.text-button {
  color: var(--mint);
  cursor: pointer;
}

.demo-account,
.demo-password,
.demo-remark {
  margin: 0;
  font-size: 0.8rem;
}

.demo-account,
.demo-password {
  color: rgba(247, 251, 250, 0.88);
}

.demo-remark {
  color: rgba(247, 251, 250, 0.56);
  line-height: 1.65;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: auto;
}

.detail-dialog {
  width: min(760px, calc(100vw - 28px));
  border: 0;
  padding: 0;
  background: transparent;
}

.detail-dialog::backdrop {
  background: rgba(6, 18, 26, 0.62);
  backdrop-filter: blur(6px);
}

.detail-dialog__panel {
  position: relative;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 28px;
  background: linear-gradient(180deg, #112633, #0b1722);
  color: var(--text-on-dark);
  box-shadow: var(--shadow-xl);
}

.dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-on-dark);
  cursor: pointer;
}

.detail-dialog__body {
  display: grid;
  gap: 22px;
}

.detail-dialog__body h3,
.detail-dialog__body h4,
.detail-dialog__body p,
.detail-dialog__body ul {
  margin: 0;
}

.detail-dialog__body h3 {
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1;
}

.detail-dialog__body p,
.detail-dialog__body li {
  color: rgba(247, 251, 250, 0.8);
  line-height: 1.8;
}

.detail-dialog__body ul {
  padding-left: 20px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.detail-grid div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.detail-grid strong {
  display: block;
  margin-bottom: 6px;
  color: rgba(247, 251, 250, 0.58);
  font-size: 0.82rem;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 40px 20px 64px;
  text-align: center;
  color: rgba(15, 23, 32, 0.62);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .hero-grid,
  .control-copy,
  .toolbar {
    grid-template-columns: 1fr;
  }

  .portal-card,
  .portal-card.featured {
    grid-column: span 4;
  }
}

@media (max-width: 760px) {
  .page-shell {
    padding: 10px;
  }

  .topbar {
    top: 10px;
    width: min(var(--max-width), calc(100vw - 20px));
    padding: 12px 14px;
    border-radius: 24px;
  }

  .topbar-actions {
    display: none;
  }

  .hero {
    padding: 100px 20px 28px;
    border-radius: 28px;
  }

  .hero h1 {
    max-width: 8ch;
  }

  .hero-actions,
  .toolbar-meta,
  .card-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-metrics,
  .card-meta,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .portal-grid {
    grid-template-columns: 1fr;
  }

  .portal-card,
  .portal-card.featured {
    grid-column: span 1;
    min-height: auto;
  }

  .toolbar {
    padding: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}