:root {
  /* Friendly-academic palette — warm paper, scholarly indigo, coral + teal accents */
  --paper: #f5efe3;
  --paper-2: #ece2d1;
  --surface: #fffefb;
  --surface-2: #fbf7ef;
  --ink: #21304a;
  --ink-soft: #5c6678;
  --brand: #355cc4;
  --brand-deep: #27429a;
  --accent: #d9573b;       /* warm coral / terracotta */
  --accent-ink: #b5472f;
  --mint: #1f9c8b;         /* supportive teal-green */
  --mint-ink: #14776a;
  --gold: #c9902a;         /* warm amber */
  --gold-ink: #9a6b12;
  --border: rgba(33, 48, 74, 0.12);
  --border-strong: rgba(33, 48, 74, 0.22);

  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: "Outfit", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --radius: 16px;
  --radius-pill: 999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 22px;

  --shadow-soft: 0 10px 26px rgba(33, 48, 74, 0.10);
  --shadow-hover: 0 18px 40px rgba(33, 48, 74, 0.16);
  --transition-fast: 120ms ease-out;
  --transition-med: 180ms ease-out;
}

/* Dark theme — same friendly-academic palette, deepened for low light */
:root[data-theme="dark"] {
  --paper: #12161f;
  --paper-2: #0b0e15;
  --surface: #1a1f2b;
  --surface-2: #222838;
  --ink: #e8edf7;
  --ink-soft: #a3adc2;
  --brand: #7d97ff;
  --brand-deep: #aebdff;
  --accent: #f0795c;
  --accent-ink: #ffb6a3;
  --mint: #3fc7b1;
  --mint-ink: #84e3d3;
  --gold: #e2b65f;
  --gold-ink: #f2d290;
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.20);

  --shadow-soft: 0 10px 26px rgba(0, 0, 0, 0.45);
  --shadow-hover: 0 18px 40px rgba(0, 0, 0, 0.55);
}

body {
  margin: 0;
  font-family: var(--font-body);
  min-height: 100vh;
  background:
    radial-gradient(ellipse 70% 38% at 50% -6%, rgba(53, 92, 196, 0.10), transparent 70%),
    radial-gradient(ellipse 46% 30% at 100% 2%, rgba(217, 87, 59, 0.07), transparent 62%),
    linear-gradient(180deg, var(--paper) 0%, var(--paper-2) 100%);
  background-attachment: fixed;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

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

.hub-header {
  padding: 40px 0 20px;
  border-bottom: 1px solid var(--border);
}

.hub-header-inner,
.hub-controls,
.hub-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.hub-header-inner {
  position: relative;
}

.theme-toggle {
  position: absolute;
  top: 4px;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.86rem;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.theme-toggle:hover {
  border-color: var(--brand);
  background: rgba(53, 92, 196, 0.08);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.hub-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.1rem, 4.4vw, 3.5rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--brand-deep);
}

.hub-sub {
  max-width: 720px;
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.16rem);
  line-height: 1.5;
}

.hub-controls {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: minmax(200px, 2fr) repeat(4, minmax(130px, 1fr)) auto;
  gap: 10px;
  padding: 14px 0;
  background: rgba(245, 239, 227, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.hub-input,
.hub-btn {
  min-height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  padding: 0 12px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.hub-input option {
  color: var(--ink);
}

.hub-input:focus,
.hub-btn:focus-visible,
.card:focus-within {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

.hub-input::placeholder {
  color: var(--ink-soft);
  opacity: 0.8;
}

.hub-btn {
  cursor: pointer;
  font-weight: 700;
  color: var(--brand-deep);
}

.hub-btn:hover {
  border-color: var(--brand);
  background: rgba(53, 92, 196, 0.08);
}

.hub-main {
  padding: 24px 0 56px;
}

.sectionTitle {
  margin: 26px 0 12px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 278px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition:
    transform var(--transition-med),
    border-color var(--transition-med),
    box-shadow var(--transition-med);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: linear-gradient(90deg, var(--brand), var(--mint));
  opacity: 0;
  transition: opacity var(--transition-med);
}

.card:hover {
  transform: translateY(-3px);
  border-color: rgba(53, 92, 196, 0.36);
  box-shadow: var(--shadow-hover);
}

.card:hover::before {
  opacity: 1;
}

.star {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--ink-soft);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.star.on {
  color: var(--gold);
  border-color: rgba(201, 144, 42, 0.55);
  background: rgba(201, 144, 42, 0.12);
}

.badge {
  align-self: flex-start;
  margin-right: 44px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-pill);
  padding: 4px 10px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.badge.game {
  color: var(--brand-deep);
  background: rgba(53, 92, 196, 0.10);
  border-color: rgba(53, 92, 196, 0.30);
}

.badge.forms {
  color: var(--mint-ink);
  background: rgba(31, 156, 139, 0.12);
  border-color: rgba(31, 156, 139, 0.34);
}

.badge.resource {
  color: var(--ink-soft);
  background: rgba(33, 48, 74, 0.06);
  border-color: var(--border-strong);
}

.badge.project {
  color: var(--accent-ink);
  background: rgba(217, 87, 59, 0.12);
  border-color: rgba(217, 87, 59, 0.34);
}

.title {
  margin: 14px 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.meta {
  color: var(--ink-soft);
  font-size: 0.92rem;
  min-height: 1.2em;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
}

.chip {
  border: 1px solid rgba(53, 92, 196, 0.28);
  border-radius: var(--radius-pill);
  color: var(--brand-deep);
  background: rgba(53, 92, 196, 0.08);
  padding: 3px 9px;
  font-size: 0.76rem;
  font-weight: 700;
}

.chip-soft {
  border-color: var(--border-strong);
  color: var(--ink-soft);
  background: rgba(33, 48, 74, 0.05);
}

.desc {
  color: var(--ink-soft);
  line-height: 1.5;
  margin: 12px 0 0;
  font-size: 0.94rem;
}

.cardActions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
}

.cardAction {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  border: 1px solid rgba(217, 87, 59, 0.40);
  border-radius: 10px;
  background: rgba(217, 87, 59, 0.10);
  color: var(--accent-ink);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 800;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.cardAction:hover,
.cardAction:focus-visible {
  border-color: rgba(217, 87, 59, 0.72);
  background: rgba(217, 87, 59, 0.18);
}

.launch {
  margin: 12px 0 0;
  color: var(--brand-deep);
  font-weight: 700;
}

.empty {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  color: var(--ink-soft);
  background: var(--surface-2);
}

@media (max-width: 900px) {
  .hub-controls {
    grid-template-columns: 1fr 1fr;
  }

  .hub-controls .hub-input:first-child,
  .hub-btn {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .hub-header-inner,
  .hub-controls,
  .hub-main {
    width: min(100% - 24px, 1180px);
  }

  .hub-controls {
    position: static;
    grid-template-columns: 1fr;
  }

  .hub-controls .hub-input:first-child,
  .hub-btn {
    grid-column: auto;
  }

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

  .theme-toggle {
    position: static;
    margin-bottom: 14px;
  }

  .card {
    min-height: 0;
  }

  .cardActions {
    grid-template-columns: 1fr;
  }
}
</content>
</invoke>