:root {
  color-scheme: light;
  --bg: oklch(0.95 0.016 95);
  --bg-deep: oklch(0.27 0.028 248);
  --bg-ink: oklch(0.33 0.026 252);
  --surface: color-mix(in oklch, var(--bg) 84%, white);
  --surface-strong: color-mix(in oklch, white 76%, var(--bg) 24%);
  --line: oklch(0.82 0.03 82);
  --line-strong: oklch(0.67 0.06 68);
  --text: oklch(0.24 0.024 252);
  --muted: oklch(0.45 0.02 248);
  --accent: oklch(0.7 0.13 46);
  --accent-soft: oklch(0.9 0.05 56);
  --sage: oklch(0.68 0.1 160);
  --rose: oklch(0.67 0.12 25);
  --shadow: 0 18px 50px color-mix(in oklch, var(--bg-deep) 16%, transparent);
  --radius: 28px;
  --radius-small: 16px;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, color-mix(in oklch, var(--accent-soft) 58%, transparent) 0, transparent 34%),
    radial-gradient(circle at right 20%, color-mix(in oklch, var(--sage) 24%, transparent) 0, transparent 28%),
    linear-gradient(180deg, color-mix(in oklch, var(--bg) 90%, white) 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Aptos", "Segoe UI Variable Text", "Segoe UI", sans-serif;
}

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

.page-glow {
  position: fixed;
  inset: auto;
  width: 32rem;
  height: 32rem;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.28;
  pointer-events: none;
}

.page-glow--left {
  top: -8rem;
  left: -10rem;
  background: color-mix(in oklch, var(--accent) 34%, transparent);
}

.page-glow--right {
  right: -12rem;
  bottom: -12rem;
  background: color-mix(in oklch, var(--sage) 26%, transparent);
}

.shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(17rem, 22rem) minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background:
    linear-gradient(180deg, color-mix(in oklch, var(--bg-deep) 88%, black) 0%, color-mix(in oklch, var(--bg-ink) 92%, black) 100%);
  color: color-mix(in oklch, white 82%, var(--accent-soft) 18%);
  display: grid;
  gap: 1.4rem;
  overflow: hidden;
}

.rail::after {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid color-mix(in oklch, white 12%, transparent);
  border-radius: calc(var(--radius) + 0.4rem);
  pointer-events: none;
}

.rail__brand h1,
.masthead h2,
.board h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.rail__brand h1 {
  margin: 0.2rem 0 0.9rem;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.95;
  max-width: 12ch;
}

.rail__text,
.rail__hint,
.freshness,
.board__caption,
.detail__meta,
.detail__text,
.supporting,
.empty p {
  color: color-mix(in oklch, currentColor 72%, transparent);
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
}

.rail__block {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.7rem;
}

.rail__block--soft {
  padding: 1rem;
  border-radius: var(--radius-small);
  background: color-mix(in oklch, white 8%, transparent);
  border: 1px solid color-mix(in oklch, white 18%, transparent);
}

.rail__label {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 700;
}

.rail__list {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: 0.4rem;
}

.selector,
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.88rem 1rem;
  background: color-mix(in oklch, white 75%, var(--bg) 25%);
  color: inherit;
}

.rail .selector {
  appearance: none;
  -webkit-appearance: none;
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--accent) 76%, white), color-mix(in oklch, var(--sage) 32%, var(--accent))),
    linear-gradient(180deg, color-mix(in oklch, var(--bg-deep) 16%, white), color-mix(in oklch, var(--bg-deep) 8%, white));
  color: black;
  font-weight: 700;
  border: 1px solid color-mix(in oklch, white 28%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in oklch, white 20%, transparent);
}

.rail .selector option {
  color: var(--bg-deep);
}

.field textarea {
  min-height: 6rem;
  border-radius: 1.2rem;
  resize: vertical;
}

.main {
  padding: clamp(1.1rem, 2.2vw, 2rem);
  display: grid;
  gap: 1.2rem;
}

.masthead,
.board {
  position: relative;
  background: color-mix(in oklch, var(--surface) 87%, white);
  border: 1px solid color-mix(in oklch, var(--line) 70%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.masthead {
  padding: clamp(1.3rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 1rem;
  overflow: hidden;
}

.masthead::after,
.board::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(135deg, color-mix(in oklch, var(--accent-soft) 35%, transparent), transparent 38%),
    linear-gradient(0deg, transparent 72%, color-mix(in oklch, var(--sage) 10%, transparent));
  opacity: 0.7;
  pointer-events: none;
}

.masthead h2 {
  margin: 0.3rem 0 0.7rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 0.96;
  max-width: 13ch;
}

.masthead__text {
  margin: 0;
  max-width: 48rem;
  font-size: 1rem;
  color: var(--muted);
}

.masthead__actions {
  display: grid;
  gap: 0.65rem;
  justify-items: end;
  align-self: center;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.25rem;
  background: linear-gradient(135deg, color-mix(in oklch, var(--accent) 88%, white) 0%, color-mix(in oklch, var(--sage) 34%, var(--accent)) 100%);
  color: color-mix(in oklch, white 88%, var(--bg-deep) 12%);
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
  box-shadow: 0 14px 30px color-mix(in oklch, var(--accent) 20%, transparent);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button:focus-visible,
.selector:focus-visible,
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 3px solid color-mix(in oklch, var(--accent) 35%, transparent);
  outline-offset: 2px;
}

.button--ghost {
  background: color-mix(in oklch, white 10%, transparent);
  box-shadow: none;
  border: 1px solid color-mix(in oklch, white 16%, transparent);
  color: inherit;
}

.button--quiet {
  background: color-mix(in oklch, var(--surface) 84%, white);
  color: var(--text);
  box-shadow: none;
  border: 1px solid var(--line);
}

.button--danger {
  background: color-mix(in oklch, var(--rose) 74%, white);
}

.dashboard,
.workspace {
  display: grid;
  gap: 1.2rem;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.metric {
  padding: 1.15rem 1.1rem 1.25rem;
  border-radius: calc(var(--radius-small) + 0.2rem);
  background: linear-gradient(180deg, color-mix(in oklch, white 86%, var(--bg) 14%), color-mix(in oklch, var(--surface-strong) 90%, var(--accent-soft) 10%));
  border: 1px solid color-mix(in oklch, var(--line) 72%, transparent);
  display: grid;
  gap: 0.55rem;
}

.metric strong {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: clamp(2rem, 4vw, 2.7rem);
  line-height: 0.9;
}

.metric span {
  color: var(--muted);
  font-size: 0.94rem;
}

.board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
  gap: 1rem;
}

.board {
  padding: 1.15rem;
}

.board--dense {
  min-height: 15rem;
}

.board__header {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: start;
  margin-bottom: 1rem;
}

.board__header--catalog {
  align-items: end;
}

.board h3 {
  margin: 0.28rem 0 0;
  font-size: 1.6rem;
}

.stack {
  display: grid;
  gap: 0.75rem;
}

.breakdown-row {
  display: grid;
  gap: 0.4rem;
}

.breakdown-row__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  font-size: 0.95rem;
}

.breakdown-row__bar {
  height: 0.75rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--line) 42%, transparent);
  overflow: hidden;
}

.breakdown-row__bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, color-mix(in oklch, var(--accent) 80%, white), color-mix(in oklch, var(--sage) 60%, white));
}

.workspace {
  grid-template-columns: minmax(0, 1.5fr) minmax(20rem, 0.95fr);
}

.workspace__main,
.workspace__side {
  display: grid;
  gap: 1rem;
}

.board--sticky {
  align-self: start;
}

.queue,
.catalog,
.detail,
.form,
.ai-panel {
  position: relative;
  z-index: 1;
}

.queue {
  display: grid;
  gap: 0.9rem;
}

.queue-item,
.catalog-item,
.detail__section,
.empty {
  border-radius: calc(var(--radius-small) + 0.15rem);
  border: 1px solid color-mix(in oklch, var(--line) 72%, transparent);
  background: color-mix(in oklch, white 82%, var(--bg) 18%);
}

.queue-item {
  padding: 1rem;
  display: grid;
  gap: 0.9rem;
}

.queue-item__top,
.catalog-item__top,
.detail__row,
.actions {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: start;
}

.queue-item__top h4,
.catalog-item__title,
.detail__headline {
  margin: 0;
  font-size: 1.08rem;
}

.queue-item__text,
.catalog-item__text {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.actions {
  flex-wrap: wrap;
}

.filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field span {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.field--search {
  min-width: min(18rem, 32vw);
}

.catalog {
  display: grid;
  gap: 0.8rem;
}

.catalog-item {
  padding: 1rem;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.catalog-item:hover,
.catalog-item.is-selected {
  transform: translateY(-1px);
  border-color: var(--line-strong);
  background: color-mix(in oklch, white 90%, var(--accent-soft) 10%);
}

.catalog-item__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0.85rem 0 0;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--accent-soft) 48%, white);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
}

.pill--pending {
  background: color-mix(in oklch, var(--accent) 20%, white);
}

.pill--blocked {
  background: color-mix(in oklch, var(--rose) 18%, white);
}

.pill--approved {
  background: color-mix(in oklch, var(--sage) 18%, white);
}

.detail,
.form {
  display: grid;
  gap: 0.9rem;
}

.detail__section {
  padding: 1rem;
  display: grid;
  gap: 0.7rem;
}

.reuse-idea,
.ai-panel__inner {
  display: grid;
  gap: 0.65rem;
  padding: 1rem;
  border-radius: calc(var(--radius-small) + 0.15rem);
  border: 1px solid color-mix(in oklch, var(--sage) 32%, var(--line));
  background: linear-gradient(
    135deg,
    color-mix(in oklch, var(--sage) 12%, white),
    color-mix(in oklch, var(--accent-soft) 28%, white)
  );
}

.reuse-idea h5,
.ai-panel__inner h4 {
  margin: 0;
  font-size: 1.05rem;
}

.reuse-idea p,
.ai-panel__inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.ai-panel__inner--ready {
  border-color: color-mix(in oklch, var(--sage) 55%, var(--line));
}

.detail__label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.detail__value,
.detail__text {
  margin: 0;
}

.detail__headline {
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-size: 1.5rem;
}

.detail__meta {
  margin: 0;
  font-size: 0.92rem;
}

.empty {
  padding: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

.empty h4 {
  margin: 0;
  font-size: 1rem;
}

.form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

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

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.checkbox {
  display: flex;
  gap: 0.55rem;
  align-items: start;
  padding: 0.8rem;
  border-radius: 1rem;
  border: 1px solid color-mix(in oklch, var(--line) 72%, transparent);
  background: color-mix(in oklch, white 82%, var(--bg) 18%);
}

.checkbox input {
  margin-top: 0.2rem;
}

.supporting {
  margin: 0;
  font-size: 0.9rem;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  max-width: min(24rem, calc(100vw - 2rem));
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: color-mix(in oklch, var(--bg-deep) 94%, black);
  color: white;
  box-shadow: 0 18px 40px color-mix(in oklch, black 30%, transparent);
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 220ms ease, transform 220ms ease;
  pointer-events: none;
}

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

.is-hidden {
  display: none;
}

@media (prefers-reduced-motion: no-preference) {
  .masthead,
  .board,
  .metric,
  .catalog-item,
  .queue-item {
    animation: rise-in 600ms ease both;
  }

  .metric:nth-child(2),
  .board-grid > :nth-child(2),
  .queue-item:nth-child(2),
  .catalog-item:nth-child(2) {
    animation-delay: 70ms;
  }

  .metric:nth-child(3),
  .queue-item:nth-child(3),
  .catalog-item:nth-child(3) {
    animation-delay: 130ms;
  }

  .metric:nth-child(4),
  .catalog-item:nth-child(4) {
    animation-delay: 190ms;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .shell,
  .workspace,
  .board-grid,
  .metrics,
  .filters,
  .form__grid,
  .checkbox-grid,
  .masthead {
    grid-template-columns: 1fr;
  }

  .masthead__actions {
    justify-items: start;
  }

  .field--search {
    min-width: 100%;
  }

  .workspace__side .board--form {
    order: -1;
  }
}

@media (max-width: 720px) {
  .rail,
  .main {
    padding: 1rem;
  }

  .board,
  .masthead {
    border-radius: 1.4rem;
  }

  .queue-item__top,
  .catalog-item__top,
  .detail__row,
  .actions,
  .board__header {
    flex-direction: column;
  }
}