: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 {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.12), transparent 24rem),
    linear-gradient(180deg, #07111f 0%, #111827 48%, #070b13 100%);
  color: var(--forge-text);
}

.forge-shell {
  width: min(100%, 1100px);
  padding-top: 1rem;
  padding-bottom: 1.5rem;
}

.forge-appbar {
  position: sticky;
  top: 0.75rem;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  width: min(100%, 920px);
  margin: 0 auto 1rem;
  padding: 0.55rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 1.35rem;
  background: rgba(7, 12, 22, 0.88);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.forge-appbar__brand,
.forge-appbar__nav,
.forge-appbar__status {
  min-width: 0;
}

.forge-appbar__brand {
  display: inline-grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.55rem;
  color: var(--forge-text);
  text-decoration: none;
}

.forge-appbar__brand strong,
.forge-appbar__brand small {
  display: block;
  line-height: 1;
}

.forge-appbar__brand strong {
  font-size: 0.98rem;
}

.forge-appbar__brand small {
  margin-top: 0.16rem;
  color: var(--forge-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.forge-appbar__mark {
  display: grid;
  width: 2.25rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(56, 189, 248, 0.4);
  border-radius: 0.78rem;
  background: rgba(56, 189, 248, 0.15);
  color: #e0f2fe;
  font-size: 0.82rem;
  font-weight: 900;
}

.forge-appbar__nav {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
}

.forge-appbar__nav a,
.forge-appbar__status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.15rem;
  padding: 0.48rem 0.72rem;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 999px;
  color: rgba(226, 232, 240, 0.94);
  font-size: 0.82rem;
  font-weight: 850;
  text-decoration: none;
}

.forge-appbar__nav a:hover,
.forge-appbar__nav a:focus-visible {
  border-color: rgba(56, 189, 248, 0.5);
  outline: none;
}

.forge-appbar__status {
  background: rgba(52, 211, 153, 0.1);
  color: rgba(209, 250, 229, 0.96);
  white-space: nowrap;
}

.forge-workspace {
  display: grid;
  gap: 0.85rem;
  width: min(100%, 860px);
  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, 1.5rem);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 1.55rem;
  background:
    linear-gradient(180deg, rgba(17, 24, 39, 0.92), rgba(8, 13, 23, 0.94)),
    var(--forge-panel);
  box-shadow: 0 30px 90px rgba(3, 7, 18, 0.42);
}

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

.forge-page [hidden] {
  display: none !important;
}

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

.forge-screen-header {
  padding: 0.9rem;
  border: 1px solid rgba(148, 163, 184, 0.12);
  border-radius: 1.1rem;
  background: rgba(148, 163, 184, 0.07);
}

.forge-panel__header h1,
.forge-panel__header h2 {
  margin: 0;
  font-size: clamp(1.7rem, 1.1rem + 2vw, 3rem);
  line-height: 1.04;
}

.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;
  padding: 0.15rem;
}

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

.forge-progress {
  display: grid;
  gap: 0.45rem;
  color: rgba(226, 232, 240, 0.82);
  font-size: 0.82rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.forge-progress__track {
  display: block;
  width: 100%;
  height: 0.45rem;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.16);
}

.forge-progress__track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--forge-hot), var(--forge-blue));
  transition: width 0.25s ease;
}

.forge-message {
  display: grid;
  gap: 0.35rem;
  max-width: 92%;
  padding: 0.85rem 0.95rem;
  border-radius: 1.1rem;
  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;
  white-space: pre-wrap;
}

.forge-guidance {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid rgba(245, 158, 11, 0.28);
  border-radius: 1.15rem;
  background:
    linear-gradient(145deg, rgba(120, 53, 15, 0.2), rgba(8, 13, 23, 0.9)),
    rgba(8, 13, 23, 0.86);
}

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

.forge-guidance__header {
  display: grid;
  gap: 0.45rem;
}

.forge-guidance h2,
.forge-guidance h3,
.forge-guidance p {
  margin: 0;
}

.forge-guidance h2 {
  font-size: clamp(1.25rem, 1rem + 0.7vw, 1.7rem);
  line-height: 1.12;
}

.forge-guidance h3 {
  color: var(--forge-hot);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.forge-guidance p,
.forge-guidance li {
  color: var(--forge-muted);
  line-height: 1.52;
}

.forge-guidance__grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.forge-guidance__grid section {
  display: grid;
  gap: 0.55rem;
  min-width: 0;
}

.forge-guidance ul,
.forge-guidance ol {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1.15rem;
}

.forge-input {
  display: grid;
  gap: 0.8rem;
  position: sticky;
  bottom: 1rem;
  z-index: 8;
  padding: 0.85rem;
  border: 1px solid rgba(148, 163, 184, 0.2);
  border-radius: 1.25rem;
  background: rgba(7, 12, 22, 0.92);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  backdrop-filter: blur(18px);
}

.forge-input__topline {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: rgba(226, 232, 240, 0.72);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

.forge-input textarea {
  width: 100%;
  min-height: 8.5rem;
  padding: 1rem;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 1rem;
  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-presets {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr));
  gap: 0.5rem;
}

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

.forge-presets button {
  min-width: 0;
  min-height: 2.5rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid rgba(56, 189, 248, 0.26);
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.1);
  color: var(--forge-text);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 850;
  cursor: pointer;
}

.forge-presets button:hover,
.forge-presets button:focus-visible {
  border-color: rgba(56, 189, 248, 0.58);
  outline: none;
}

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

.forge-spark {
  border-color: rgba(250, 204, 21, 0.34);
  background: rgba(250, 204, 21, 0.11);
  color: rgba(254, 249, 195, 0.96);
}

.forge-easy-answer {
  border-color: rgba(52, 211, 153, 0.34);
  background: rgba(52, 211, 153, 0.1);
  color: rgba(209, 250, 229, 0.96);
}

.forge-status {
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 0.38rem 0.65rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.08);
  color: var(--forge-muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.forge-stage-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.45rem;
  padding: 0.45rem;
  border: 1px solid rgba(148, 163, 184, 0.16);
  border-radius: 1.15rem;
  background: rgba(7, 12, 22, 0.72);
}

.forge-stage-rail span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 2.15rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 0.85rem;
  color: rgba(226, 232, 240, 0.68);
  font-size: 0.78rem;
  font-weight: 900;
}

.forge-stage-rail span[data-active="true"] {
  border-color: rgba(245, 158, 11, 0.46);
  background: rgba(245, 158, 11, 0.14);
  color: var(--forge-text);
}

.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: 1.15rem;
  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-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;
  }

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

  .brief-section--wide {
    grid-column: 1 / -1;
  }
}

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

  .forge-appbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.45rem;
    top: 0.5rem;
    border-radius: 1.05rem;
  }

  .forge-appbar__brand {
    overflow: hidden;
  }

  .forge-appbar__nav {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .forge-appbar__nav a {
    width: 100%;
    min-width: 0;
    min-height: 2.25rem;
    padding: 0.48rem 0.34rem;
    font-size: 0.78rem;
    line-height: 1.12;
    text-align: center;
  }

  .forge-appbar__status {
    display: none;
  }

  .forge-input {
    bottom: 0.75rem;
    padding: 0.75rem;
    border-radius: 1.1rem;
  }

  .forge-input textarea {
    min-height: 7.25rem;
  }

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

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

  .forge-input__actions .cta {
    width: 100%;
    min-width: 0;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
  }

  .forge-input__actions .cta.primary {
    grid-column: 1 / -1;
  }

  .forge-input__actions .cta.ghost {
    min-width: 0;
  }

  .forge-brief__actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .forge-brief__actions .cta {
    width: auto;
    min-width: 0;
    padding: 0.54rem 0.36rem;
    font-size: 0.74rem;
    line-height: 1.12;
  }

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

  .forge-next-moves__buttons button {
    min-width: 0;
    padding: 0.62rem 0.5rem;
    font-size: 0.82rem;
    line-height: 1.18;
  }
}