:root {
  color-scheme: light;
  --bg: #f4f8f7;
  --panel: #ffffff;
  --panel-soft: #fbfdfd;
  --panel-strong: #24282f;
  --text: #2d333a;
  --muted: #8a959c;
  --line: #e6eceb;
  --accent: #48c78e;
  --accent-2: #ff8a3d;
  --accent-3: #77c8f2;
  --danger: #f36f7b;
  --ok: #48c78e;
  --shadow: 0 10px 24px rgba(41, 52, 58, 0.09);
  --shadow-soft: 0 2px 8px rgba(41, 52, 58, 0.06);
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root.dark {
  color-scheme: dark;
  --bg: #17201f;
  --panel: #202b2a;
  --panel-soft: #243130;
  --panel-strong: #f2f7f6;
  --text: #edf5f4;
  --muted: #a7b5b2;
  --line: #31413f;
  --accent: #62d69d;
  --accent-2: #ffa45f;
  --accent-3: #8ed2f5;
  --danger: #ff8b95;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
  --shadow-soft: 0 2px 8px rgba(0, 0, 0, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(244, 248, 247, 0.92)),
    radial-gradient(circle at 12% 8%, rgba(119, 200, 242, 0.18), transparent 22rem),
    radial-gradient(circle at 92% 18%, rgba(72, 199, 142, 0.14), transparent 24rem),
    var(--bg);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel), transparent 8%);
  backdrop-filter: blur(16px);
}

.brand,
.top-actions,
.hero-actions,
.catalog-controls,
.tool-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark,
.dialog-icon {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent-3), white 72%);
  color: #1d8cbf;
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: var(--muted);
  font-size: 0.78rem;
}

.top-actions {
  gap: 0.6rem;
}

.ghost-link,
.primary-btn,
.secondary-btn,
.chip,
.filters button,
.close-btn,
.fav-btn,
.icon-btn {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 2.55rem;
  padding: 0 0.9rem;
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.secondary-btn,
.ghost-link,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.icon-btn,
.close-btn,
.fav-btn {
  display: grid;
  place-items: center;
  width: 2.55rem;
  padding: 0;
}

main {
  width: min(1460px, 100%);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem) 3rem;
}

.hero {
  min-height: calc(68vh - 4.5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(20rem, 0.96fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3.5rem) 0 1rem;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 15ch;
  margin: 0;
  color: var(--panel-strong);
  font-size: clamp(2.8rem, 5.8vw, 5.4rem);
  line-height: 1;
  letter-spacing: 0;
}

.hero-text {
  max-width: 42rem;
  margin: 1.3rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.7;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.hero-visual {
  position: relative;
  min-height: 27rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(119, 200, 242, 0.2), transparent 48%),
    linear-gradient(315deg, rgba(72, 199, 142, 0.16), transparent 48%),
    var(--panel);
  box-shadow: var(--shadow);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 9%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 42px 42px;
  opacity: 0.4;
}

.orbit {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 45%);
  border-radius: 999px;
  transform: rotate(-18deg);
}

.orbit.one {
  inset: 16% 12%;
}

.orbit.two {
  inset: 28% 22%;
  transform: rotate(28deg);
  border-color: color-mix(in srgb, var(--danger), transparent 52%);
}

.mini-panel {
  position: absolute;
  display: grid;
  gap: 0.6rem;
  width: clamp(8rem, 15vw, 12rem);
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel), transparent 3%);
  box-shadow: var(--shadow);
}

.mini-panel span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
}

.mini-panel strong {
  color: var(--panel-strong);
  font-size: 2.1rem;
  line-height: 1;
}

.panel-a {
  top: 15%;
  left: 12%;
}

.panel-b {
  right: 10%;
  top: 36%;
}

.panel-c {
  left: 28%;
  bottom: 13%;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--line);
  box-shadow: var(--shadow-soft);
}

.stats div {
  padding: 1.1rem;
  background: var(--panel);
}

.stats strong,
.stats span {
  display: block;
}

.stats strong {
  color: var(--panel-strong);
  font-size: 1.7rem;
}

.stats span {
  color: var(--muted);
  font-size: 0.86rem;
}

.workspace {
  display: grid;
  grid-template-columns: 18rem minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
  margin-top: 1.2rem;
}

.filters,
.catalog {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel), transparent 1%);
  box-shadow: var(--shadow-soft);
}

.filters {
  position: sticky;
  top: 5.2rem;
  padding: 1rem;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.8rem;
  padding: 0 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.search-box input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin: 1rem 0 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.filters button {
  min-height: 2rem;
  padding: 0 0.6rem;
  font-size: 0.78rem;
}

.category-list {
  display: grid;
  gap: 0.45rem;
}

.category-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.category-btn[aria-pressed="true"],
.chip[aria-pressed="true"] {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent), transparent 86%);
  color: var(--accent);
}

.catalog {
  min-width: 0;
  padding: clamp(1rem, 2vw, 1.4rem);
}

.catalog-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.catalog-head h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--panel-strong);
}

.catalog-controls {
  flex-wrap: wrap;
  gap: 0.7rem;
}

.catalog-controls label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

select {
  min-height: 2.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 2rem 0 0.75rem;
  color: var(--text);
  background: var(--panel);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(13.5rem, 1fr));
  gap: 0.8rem;
}

.tool-card {
  min-height: 12.5rem;
  display: grid;
  gap: 0.8rem;
  align-content: start;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-align: left;
  color: inherit;
  cursor: pointer;
  box-shadow: var(--shadow-soft);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.tool-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent), var(--line) 30%);
  box-shadow: var(--shadow);
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
}

.tool-icon {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent), transparent 88%);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 900;
}

.tool-card:has(small:nth-last-child(1)) {
  border-top: 3px solid color-mix(in srgb, var(--accent), transparent 35%);
}

.tool-card:has(small:nth-last-child(1)):nth-child(3n + 2) {
  border-top-color: color-mix(in srgb, var(--accent-2), transparent 22%);
}

.tool-card:has(small:nth-last-child(1)):nth-child(3n) {
  border-top-color: color-mix(in srgb, var(--accent-3), transparent 18%);
}

.star {
  color: var(--muted);
}

.star.active {
  color: var(--accent-2);
}

.tool-card h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.tool-card small {
  align-self: end;
  color: var(--accent-2);
  font-weight: 900;
}

.empty-state {
  margin: 2rem 0;
  color: var(--muted);
  text-align: center;
}

.tool-dialog {
  width: min(980px, calc(100vw - 2rem));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  box-shadow: var(--shadow);
}

.tool-dialog::backdrop {
  background: rgba(31, 43, 47, 0.38);
  backdrop-filter: blur(7px);
}

.dialog-shell {
  position: relative;
  padding: clamp(1rem, 3vw, 1.6rem);
  background: var(--panel);
}

.close-btn {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
}

.dialog-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.9rem;
  align-items: center;
  padding-right: 3rem;
}

.dialog-head p,
.dialog-description {
  margin: 0;
  color: var(--muted);
}

.dialog-head p {
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.dialog-head h3 {
  margin: 0.12rem 0 0;
  color: var(--panel-strong);
  font-size: clamp(1.35rem, 3vw, 2rem);
}

.dialog-description {
  margin-top: 0.95rem;
  line-height: 1.6;
}

.file-panel {
  display: grid;
  gap: 0.8rem;
  margin-top: 1rem;
}

.file-drop {
  display: grid;
  gap: 0.45rem;
  justify-items: start;
  padding: 1rem;
  border: 1px dashed color-mix(in srgb, var(--accent), var(--line) 35%);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent), transparent 92%);
}

.file-drop span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

.file-drop input {
  width: 100%;
  min-height: 2.4rem;
}

.file-drop strong {
  color: var(--panel-strong);
}

.file-drop small {
  color: var(--muted);
}

.download-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.download-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.4rem;
  padding: 0 0.75rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--accent), transparent 88%);
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.tool-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.1rem;
}

.input-area {
  display: grid;
  gap: 0.5rem;
}

.input-area span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}

textarea {
  width: 100%;
  min-height: 18rem;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0.9rem;
  outline: none;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent), transparent 82%);
}

.output-area textarea {
  background: color-mix(in srgb, var(--bg), var(--panel) 35%);
}

.tool-actions {
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 20;
  max-width: min(24rem, calc(100vw - 2rem));
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  background: var(--panel-strong);
  color: var(--bg);
  opacity: 0;
  transform: translateY(0.5rem);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

[data-icon]::before {
  display: inline-block;
  font-weight: 900;
}

[data-icon="theme"]::before {
  content: "◐";
}

[data-icon="search"]::before {
  content: "⌕";
}

[data-icon="close"]::before {
  content: "×";
  font-size: 1.4rem;
  line-height: 1;
}

[data-icon="star"]::before {
  content: "★";
}

@media (max-width: 980px) {
  .hero,
  .workspace,
  .tool-body {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-visual {
    min-height: 18rem;
  }

  h1 {
    max-width: 16ch;
  }

  .filters {
    position: static;
  }
}

@media (max-width: 700px) {
  .topbar,
  .catalog-head {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions,
  .catalog-controls {
    justify-content: space-between;
  }

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

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

  .hero-visual {
    min-height: 11rem;
  }

  .mini-panel {
    width: 7.25rem;
    padding: 0.75rem;
  }

  .mini-panel strong {
    font-size: 1.45rem;
  }

  .panel-c {
    display: none;
  }

  .dialog-head {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .fav-btn {
    grid-column: 1 / -1;
    width: 100%;
  }
}