:root {
  color-scheme: light;
  --bg: #ffffff;
  --fg: #050505;
  --muted: #5f5f5f;
  --soft: #f4f4f4;
  --soft-strong: #e9e9e9;
  --chip-bg: #ffffff;
  --count-bg: #e7e7e7;
  --count-fg: #050505;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.12);
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #050505;
    --fg: #f5f5f5;
    --muted: #a0a0a0;
    --soft: #171717;
    --soft-strong: #262626;
    --chip-bg: #222222;
    --count-bg: #333333;
    --count-fg: #f5f5f5;
    --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--fg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

button {
  font: inherit;
}

a {
  color: inherit;
}

.page-shell {
  width: min(100% - 32px, 700px);
  margin: 0 auto;
  padding: 40px 0 56px;
}

.page-header {
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(32px, 7vw, 54px);
  line-height: 1;
  letter-spacing: 0;
}

.summary {
  margin-top: 12px;
  color: var(--muted);
}

.download-link {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.stack {
  display: grid;
  gap: 12px;
}

.panel {
  background: var(--soft);
  border-radius: 8px;
  padding: 12px;
}

.panel-header,
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.panel h2,
.modal-header h2 {
  font-size: 18px;
  line-height: 1.2;
}

.text-button,
.icon-button {
  border: 0;
  background: var(--fg);
  color: var(--bg);
  cursor: pointer;
}

.text-button {
  min-height: 32px;
  border-radius: 999px;
  padding: 5px 12px;
  white-space: nowrap;
}

.icon-button {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.icon-button::before,
.icon-button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
}

.icon-button::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.icon-button::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  max-width: 100%;
  border: 0;
  border-radius: 999px;
  background: var(--chip-bg);
  color: var(--fg);
  padding: 4px 9px;
  cursor: pointer;
  touch-action: pan-y;
  user-select: text;
}

.tag:focus-visible,
.text-button:focus-visible,
.icon-button:focus-visible,
.caption-item:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

.tag-word {
  overflow-wrap: anywhere;
}

.tag-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 22px;
  border-radius: 999px;
  background: var(--count-bg);
  color: var(--count-fg);
  padding: 0 7px;
  font-size: 13px;
  line-height: 1;
}

.caption-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.tag-list {
  display: block;
}

.tag-list .tag {
  display: inline-block;
  vertical-align: top;
  margin: 0 7px 7px 0;
}

.tag-list .tag-count {
  margin-left: 0.25em;
}

.caption-item {
  border: 0;
  border-radius: 8px;
  background: var(--chip-bg);
  color: var(--fg);
  padding: 9px 10px;
  text-align: left;
  cursor: pointer;
  touch-action: pan-y;
  user-select: text;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  background: var(--bg);
  overflow-y: auto;
}

.modal-surface {
  width: min(100% - 32px, 700px);
  min-height: 100vh;
  margin: 0 auto;
  padding-bottom: 36px;
}

.modal-header {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--bg);
  padding: 16px 0 12px;
}

.modal-body {
  padding-top: 8px;
}

.modal-body .caption-list {
  margin-top: 0;
}

.toast {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 30;
  transform: translateY(-8px);
  opacity: 0;
  pointer-events: none;
  border-radius: 999px;
  background: var(--fg);
  color: var(--bg);
  padding: 8px 13px;
  box-shadow: var(--shadow);
  transition: opacity 160ms ease, transform 160ms ease;
}

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

@media (max-width: 520px) {
  .page-shell,
  .modal-surface {
    width: min(100% - 20px, 700px);
  }

  .page-shell {
    padding-top: 28px;
  }

  .panel {
    padding: 10px;
  }
}