:root {
  color-scheme: light;
  --canvas: #f6f4ed;
  --surface: #fffdf8;
  --ink: #23241e;
  --muted: #595b50;
  --line: #dbd9cf;
  --accent: #d9ed88;
  --focus: #48621a;
  --font: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --text-sm: .875rem;
  --text-body: 1rem;
  --text-card: 1.125rem;
  --text-section: 1.375rem;
  --text-page: clamp(2rem, 4vw, 2.75rem);
  --space-1: .25rem;
  --space-2: .5rem;
  --space-3: .75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --radius-control: .625rem;
  --radius-card: 1rem;
  --content-width: 68rem;
  --gutter: clamp(1rem, 4vw, 2rem);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font: var(--text-body)/1.5 var(--font);
}

h1, h2, h3, p { margin: 0; }
a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.container {
  width: min(calc(100% - 2 * var(--gutter)), var(--content-width));
  margin-inline: auto;
}

.site-header { border-bottom: 1px solid var(--line); }

.site-header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 700;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 2rem;
  aspect-ratio: 1;
  flex-shrink: 0;
  border-radius: var(--radius-control);
  background: var(--ink);
}

.brand__mark::before {
  content: "";
  width: .875rem;
  aspect-ratio: 1;
  background:
    radial-gradient(circle at 25% 25%, var(--accent) 25%, transparent 29%),
    radial-gradient(circle at 75% 25%, var(--accent) 25%, transparent 29%),
    radial-gradient(circle at 25% 75%, var(--accent) 25%, transparent 29%),
    radial-gradient(circle at 75% 75%, var(--accent) 25%, transparent 29%);
}

.workbench { padding-block: var(--space-7); }

.page-title {
  font-size: var(--text-page);
  line-height: 1.15;
  font-weight: 750;
  margin-block-end: var(--space-6);
}

.app-section + .app-section {
  margin-block-start: var(--space-7);
  padding-block-start: var(--space-5);
  border-top: 1px solid var(--line);
}

.section-title {
  margin-block-end: var(--space-4);
  font-size: var(--text-section);
  line-height: 1.35;
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr));
  gap: var(--space-5);
  margin: 0;
  padding: 0;
  list-style: none;
}

.app-card {
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  text-decoration: none;
}

a.app-card:hover { border-color: var(--focus); }

.app-cover {
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 74% 25%, var(--cover-light, #f2f5ce), transparent 45%),
    radial-gradient(circle, var(--cover-dot, #27361a24) 1px, transparent 1px) 0 0 / 13px 13px,
    var(--cover-base, #e3e9c2);
}

.app-cover--agent {
  --cover-light: #f3ecff;
  --cover-dot: #422e6324;
  --cover-base: #e5ddf0;
  color: #51396e;
}

.app-cover--evaluation {
  --cover-light: #e8f5fb;
  --cover-dot: #25475d24;
  --cover-base: #d9e9f1;
  color: #2f556b;
}

.app-cover--skills {
  --cover-light: #fff2e3;
  --cover-dot: #714a2e24;
  --cover-base: #f0e1d0;
  color: #755238;
}

.app-cover__kit {
  width: 5.5rem;
  aspect-ratio: 1;
  transform: translateY(-.25rem) rotate(-8deg);
  border: 1px solid currentColor;
  border-radius: .875rem;
  background:
    linear-gradient(currentColor, currentColor) 1rem 1.25rem / 2.25rem 2px no-repeat,
    linear-gradient(#b59377, #b59377) 1rem 2.125rem / 3.25rem 2px no-repeat,
    linear-gradient(#b59377, #b59377) 1rem 3rem / 2.75rem 2px no-repeat,
    #fffaf0;
  box-shadow: .5rem .5rem #d9ba9b, 1rem 1rem #c7a17d;
}

.app-cover__workflow {
  width: 9rem;
  height: 5.5rem;
  background:
    radial-gradient(circle, #faf6ff 0 .55rem, currentColor .58rem .63rem, transparent .67rem)
      center top / 1.5rem 1.5rem no-repeat,
    radial-gradient(circle, #f5e8ff 0 .55rem, currentColor .58rem .63rem, transparent .67rem)
      left bottom / 1.5rem 1.5rem no-repeat,
    radial-gradient(circle, #cdb5eb 0 .55rem, currentColor .58rem .63rem, transparent .67rem)
      right bottom / 1.5rem 1.5rem no-repeat,
    linear-gradient(currentColor, currentColor) center 1.375rem / 1px 1.375rem no-repeat,
    linear-gradient(currentColor, currentColor) center 2.75rem / calc(100% - 1.5rem) 1px no-repeat,
    linear-gradient(currentColor, currentColor) .75rem 2.75rem / 1px 1.375rem no-repeat,
    linear-gradient(currentColor, currentColor) calc(100% - .75rem) 2.75rem / 1px 1.375rem no-repeat;
}

.app-cover__chart {
  width: 8.25rem;
  height: 5.5rem;
  transform: rotate(-7deg);
  border: 1px solid currentColor;
  border-radius: .875rem;
  background:
    linear-gradient(#a2c0cf, #a2c0cf) left 22% bottom 1.25rem / 14% 24% no-repeat,
    linear-gradient(#6c9eb5, #6c9eb5) center bottom 1.25rem / 14% 40% no-repeat,
    linear-gradient(currentColor, currentColor) right 22% bottom 1.25rem / 14% 56% no-repeat,
    linear-gradient(#afc8d4, #afc8d4) center bottom 1.25rem / 68% 1px no-repeat,
    #f5fcff;
  box-shadow: 0 .5rem 1rem #25475d20;
}

.app-cover__sheet {
  position: absolute;
  width: 8.25rem;
  height: 4.5rem;
  border: 1px solid #616e4b;
  border-radius: .875rem;
}

.app-cover__sheet--back {
  transform: translate(-1.625rem, -.9rem) rotate(-11deg);
  background:
    linear-gradient(#cad6ae, #cad6ae) 1rem 1.125rem / 3.875rem 3px no-repeat,
    linear-gradient(#cad6ae, #cad6ae) 1rem 1.875rem / 2.625rem 3px no-repeat,
    #344228;
}

.app-cover__sheet--front {
  transform: translate(.9rem, .875rem) rotate(8deg);
  background:
    linear-gradient(#788665, #788665) 1rem 1.125rem / 4.75rem 3px no-repeat,
    linear-gradient(#a1ad8c, #a1ad8c) 1rem 1.875rem / 3.25rem 3px no-repeat,
    linear-gradient(#bdc7aa, #bdc7aa) 1rem 2.625rem / 4.125rem 3px no-repeat,
    #fffdf3;
  box-shadow: 0 .5rem 1rem #34422826;
}

.app-cover__search {
  position: absolute;
  width: 2.625rem;
  aspect-ratio: 1;
  transform: translate(4.625rem, 1.625rem);
  border: 1px solid #616e4b;
  border-radius: 50%;
  background: var(--accent);
  color: #344228;
}

.app-cover__search::before,
.app-cover__search::after {
  position: absolute;
  content: "";
}

.app-cover__search::before {
  top: .625rem;
  left: .625rem;
  width: .875rem;
  aspect-ratio: 1;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.app-cover__search::after {
  top: 1.43rem;
  left: 1.38rem;
  width: .4375rem;
  height: 2px;
  transform: rotate(45deg);
  border-radius: 2px;
  background: currentColor;
}

.app-card__body {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
}

.app-card__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
}

.app-card__title {
  font-size: var(--text-card);
  line-height: 1.4;
}

.app-card__description, .empty-state {
  color: var(--muted);
  font-size: var(--text-sm);
}

.app-card__status {
  white-space: nowrap;
  color: var(--muted);
  font-size: var(--text-sm);
}

.app-card__action {
  color: var(--focus);
  font-size: var(--text-sm);
  font-weight: 600;
}