:root {
  color-scheme: dark;
  --forge-bg: #0b111c;
  --forge-panel: rgba(17, 24, 39, 0.76);
  --forge-panel-strong: rgba(24, 32, 45, 0.92);
  --forge-line: rgba(248, 190, 96, 0.2);
  --forge-line-strong: rgba(248, 190, 96, 0.42);
  --forge-text: #fff7ed;
  --forge-muted: #cbd5e1;
  --forge-hot: #f59e0b;
  --forge-ember: #ef4444;
  --forge-blue: #38bdf8;
  --forge-green: #34d399;
}

* {
  box-sizing: border-box;
}

html,
body {
  overflow-x: hidden;
}

.forge-page {
  background:
    radial-gradient(circle at 16% 10%, rgba(245, 158, 11, 0.18), transparent 30rem),
    radial-gradient(circle at 82% 18%, rgba(56, 189, 248, 0.14), transparent 34rem),
    linear-gradient(180deg, #0b111c 0%, #111827 52%, #090d15 100%);
  color: var(--forge-text);
}

.forge-shell {
  width: min(100%, 1180px);
}

.forge-page .top-nav {
  margin-bottom: 1.4rem;
}

.forge-workspace {
  display: grid;
  gap: 1rem;
  width: min(100%, 760px);
  margin: 0 auto;
}

body[data-forge-stage="brief"] .forge-workspace {
  width: min(100%, 920px);
}

.forge-panel {
  display: grid;
  gap: 1rem;
  min-width: 0;
  padding: clamp(1rem, 2vw, 1.35rem);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: var(--radius-lg);
  background: var(--forge-panel);
  box-shadow: 0 24px 70px rgba(3, 7, 18, 0.38);
}

.forge-panel[hidden] {
  display: none;
}

.forge-panel__header {
  display: grid;
  gap: 0.6rem;
}

.forge-panel__header h1,
.forge-panel__header h2 {
  margin: 0;
  font-size: clamp(1.7rem, 1.1rem + 2vw, 3rem);
  line-height: 1;
}

.forge-panel__header p {
  margin: 0;
  max-width: 720px;
  color: var(--forge-muted);
  line-height: 1.6;
}

.forge-transcript {
  display: grid;
  gap: 0.75rem;
  min-height: 5rem;
}

.forge-transcript:empty {
  display: none;
}

.forge-message {
  display: grid;
  gap: 0.35rem;
  max-width: 92%;
  padding: 0.85rem 0.95rem;
  border-radius: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  background: rgba(11, 15, 24, 0.7);
}

.forge-message--user {
  justify-self: end;
  background: rgba(14, 116, 144, 0.28);
  border-color: rgba(56, 189, 248, 0.28);
}

.forge-message__role {
  color: var(--forge-hot);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.forge-message p {
  margin: 0;
  color: var(--forge-text);
  line-height: 1.55;
}

.forge-input {
  display: grid;
  gap: 0.8rem;
}

.forge-input__label {
  color: var(--forge-muted);
  font-weight: 750;
}

.forge-input textarea {
  width: 100%;
  min-height: 11rem;
  padding: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: var(--radius-md);
  background: rgba(8, 13, 23, 0.96);
  color: var(--forge-text);
  font: inherit;
  line-height: 1.55;
  resize: vertical;
}

.forge-input textarea:focus-visible {
  outline: 2px solid rgba(245, 158, 11, 0.62);
  outline-offset: 2px;
}

.forge-input__actions,
.forge-brief__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.forge-status {
  margin: 0;
  color: var(--forge-muted);
  font-size: 0.92rem;
}

.movement-brief-grid {
  display: grid;
  gap: 0.75rem;
}

.brief-section {
  display: grid;
  gap: 0.45rem;
  padding: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: var(--radius-md);
  background: rgba(9, 13, 21, 0.82);
}

.brief-section--strong {
  border-color: var(--forge-line-strong);
  background: linear-gradient(145deg, rgba(120, 53, 15, 0.24), rgba(9, 13, 21, 0.9));
}

.brief-section__label {
  margin: 0;
  color: var(--forge-hot);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brief-section__body {
  color: var(--forge-muted);
  line-height: 1.58;
}

.brief-section__body h3,
.brief-section__body p {
  margin: 0;
}

.brief-section__body h3 {
  color: var(--forge-text);
  font-size: clamp(1.35rem, 1rem + 1vw, 2rem);
  line-height: 1.1;
}

.brief-section__body ul,
.brief-section__body ol {
  margin: 0;
  padding-left: 1.2rem;
  display: grid;
  gap: 0.45rem;
}

.forge-offer {
  display: grid;
  gap: 0.85rem;
  padding: 1rem;
  border: 1px solid rgba(52, 211, 153, 0.28);
  border-radius: var(--radius-md);
  background: linear-gradient(145deg, rgba(6, 78, 59, 0.26), rgba(9, 13, 21, 0.9));
}

.forge-offer h3,
.forge-offer p {
  margin: 0;
}

.forge-offer h3 {
  margin-top: 0.35rem;
  font-size: clamp(1.25rem, 1rem + 0.7vw, 1.75rem);
  line-height: 1.1;
}

.forge-offer p,
.forge-offer__list {
  color: var(--forge-muted);
  line-height: 1.55;
}

.forge-offer__list {
  display: grid;
  gap: 0.35rem;
  margin: 0;
  padding-left: 1.15rem;
}

.forge-offer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.forge-next-moves {
  display: grid;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(148, 163, 184, 0.16);
}

.forge-next-moves h3,
.next-output h4 {
  margin: 0;
}

.forge-next-moves__buttons {
  display: grid;
  gap: 0.65rem;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
}

.forge-next-moves__buttons button,
.next-output__header button {
  min-height: 2.65rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(245, 158, 11, 0.26);
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.12);
  color: var(--forge-text);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.forge-next-moves__buttons button:hover,
.forge-next-moves__buttons button:focus-visible,
.next-output__header button:hover,
.next-output__header button:focus-visible {
  border-color: rgba(245, 158, 11, 0.58);
  outline: none;
}

.next-output {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius-md);
  background: rgba(6, 78, 59, 0.18);
}

.next-output[hidden] {
  display: none;
}

.next-output__header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.next-output pre {
  margin: 0;
  white-space: pre-wrap;
  color: var(--forge-muted);
  font: inherit;
  line-height: 1.55;
}

@media (min-width: 940px) {
  .forge-workspace {
    align-items: start;
  }
}

@media (max-width: 640px) {
  .forge-shell {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .forge-panel,
  .brief-section,
  .next-output {
    border-radius: 1rem;
  }

  .forge-input__actions .cta,
  .forge-brief__actions .cta,
  .forge-offer__actions .cta {
    width: 100%;
  }
}