:root {
  color-scheme: light;
  --paper: #fbf8f2;
  --paper-strong: #ebe2d5;
  --ink: #171516;
  --muted: #5f5a55;
  --line: #ded4c6;
  --line-strong: #b7a896;
  --cream: #fffefd;
  --claret: #9f2535;
  --claret-dark: #711927;
  --navy: #1e2e46;
  --blue: #a8c6d8;
  --butter: #dcb654;
  --green: #69786c;
  --rose: #d49a91;
  --page: #f3eee7;
  --accent-rgb: 159, 37, 53;
  --navy-rgb: 30, 46, 70;
  --blue-rgb: 168, 198, 216;
  --butter-rgb: 220, 182, 84;
  --rose-rgb: 212, 154, 145;
  --line-rgb: 183, 168, 150;
  --active-panel: #eff4f5;
  --ai-panel: #fbf1dc;
  --shadow: 0 18px 45px rgba(28, 24, 20, 0.10);
  --radius: 8px;
  font-family: "Avenir Next", "Gill Sans", Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body[data-palette="blue-note"] {
  --paper: #f4f8ef;
  --paper-strong: #dceccb;
  --ink: #111923;
  --muted: #536270;
  --line: #b9d2d2;
  --line-strong: #7198a6;
  --cream: #fbfff8;
  --claret: #2c6aa0;
  --claret-dark: #16436c;
  --navy: #102a43;
  --blue: #91cfd6;
  --butter: #f0c85a;
  --green: #628563;
  --rose: #e58b74;
  --page: #eaf4ed;
  --accent-rgb: 44, 106, 160;
  --navy-rgb: 16, 42, 67;
  --blue-rgb: 145, 207, 214;
  --butter-rgb: 240, 200, 90;
  --rose-rgb: 229, 139, 116;
  --line-rgb: 113, 152, 166;
  --active-panel: #edf8f3;
  --ai-panel: #f4f5dd;
}

body[data-palette="rose-amp"] {
  --paper: #fff1ee;
  --paper-strong: #f5c9bd;
  --ink: #20151b;
  --muted: #6d5760;
  --line: #dfb2aa;
  --line-strong: #bd7f7c;
  --cream: #fffdfa;
  --claret: #c53b63;
  --claret-dark: #8c2346;
  --navy: #27365f;
  --blue: #84bfd0;
  --butter: #f4d15c;
  --green: #5f7f6e;
  --rose: #f09a8f;
  --page: #f8e5df;
  --accent-rgb: 197, 59, 99;
  --navy-rgb: 39, 54, 95;
  --blue-rgb: 132, 191, 208;
  --butter-rgb: 244, 209, 92;
  --rose-rgb: 240, 154, 143;
  --line-rgb: 189, 127, 124;
  --active-panel: #f8eff4;
  --ai-panel: #fff0d9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(var(--blue-rgb), 0.08) 0 16%, transparent 16% 100%),
    linear-gradient(90deg, rgba(var(--line-rgb), 0.10) 1px, transparent 1px),
    linear-gradient(180deg, rgba(var(--line-rgb), 0.08) 1px, transparent 1px),
    var(--page);
  background-size: auto, 32px 32px, 32px 32px, auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto 0;
  height: 10px;
  background:
    linear-gradient(90deg, var(--ink) 0 34%, var(--cream) 34% 38%, var(--claret) 38% 48%, var(--blue) 48% 100%);
  pointer-events: none;
  z-index: 4;
}

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

button {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--ink);
  min-height: 40px;
  padding: 0 14px;
  cursor: pointer;
  transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
}

button:hover {
  border-color: var(--claret-dark);
  transform: translateY(-1px);
  background: var(--paper);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--ink);
  outline: none;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--claret-dark);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.15);
}

textarea {
  resize: vertical;
  line-height: 1.55;
}

.kicker {
  margin: 0 0 6px;
  color: var(--claret-dark);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-paper {
  position: relative;
  overflow: hidden;
  width: min(520px, 100%);
  padding: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(var(--blue-rgb), 0.14) 0 18%, transparent 18% 100%),
    linear-gradient(180deg, transparent 0 72%, rgba(var(--butter-rgb), 0.12) 72% 100%),
    var(--paper);
  box-shadow: var(--shadow);
}

.login-paper::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -80px;
  width: 210px;
  height: 210px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--cream) 0 20px, var(--navy) 21px 38px, var(--cream) 39px 54px, var(--claret) 55px 80px, transparent 81px);
  opacity: 0.13;
  pointer-events: none;
}

.tempo-mark {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--cream) 0 13px, var(--navy) 14px 24px, var(--cream) 25px 33px, var(--claret) 34px 48px);
  box-shadow: 0 10px 28px rgba(var(--navy-rgb), 0.12);
}

.tempo-mark span {
  width: 10px;
  height: 28px;
  border-radius: 999px;
  background: var(--butter);
  transform: rotate(18deg);
}

.tempo-mark.small {
  width: 42px;
  height: 42px;
  margin: 0;
  flex: 0 0 auto;
  background:
    radial-gradient(circle, var(--cream) 0 8px, var(--navy) 9px 16px, var(--cream) 17px 22px, var(--claret) 23px 32px);
}

.tempo-mark.small span {
  width: 7px;
  height: 18px;
}

.login-paper h1,
.topbar h1 {
  margin: 0;
  font-family: "Bodoni 72", Didot, Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 5vw, 4.25rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.login-copy {
  margin: 18px 0 26px;
  color: var(--muted);
  line-height: 1.55;
}

.palette-lab {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 14px;
  border: 1px solid rgba(var(--line-rgb), 0.62);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(var(--blue-rgb), 0.16), transparent 46%),
    rgba(255, 253, 247, 0.68);
}

.palette-lab label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.palette-lab textarea {
  min-height: 86px;
  padding: 11px 12px;
}

.palette-prompt-button {
  justify-self: start;
  border-color: var(--claret-dark);
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--claret-dark);
  font-weight: 800;
}

.palette-result {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.palette-switcher {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.login-palettes {
  margin: 0 0 22px;
}

.palette-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 34px;
  padding: 0 10px;
  border-color: rgba(var(--line-rgb), 0.48);
  background: rgba(255, 253, 247, 0.72);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 760;
}

.palette-button[aria-pressed="true"] {
  border-color: var(--claret-dark);
  background: rgba(var(--accent-rgb), 0.11);
  color: var(--claret-dark);
}

.swatches {
  display: inline-flex;
  width: 30px;
  height: 14px;
  overflow: hidden;
  border: 1px solid rgba(var(--line-rgb), 0.72);
  border-radius: 999px;
}

.swatches i {
  width: 10px;
}

.palette-button[data-palette-choice="chelsea"] .swatches i:nth-child(1) {
  background: #171516;
}

.palette-button[data-palette-choice="chelsea"] .swatches i:nth-child(2) {
  background: #9f2535;
}

.palette-button[data-palette-choice="chelsea"] .swatches i:nth-child(3) {
  background: #a8c6d8;
}

.palette-button[data-palette-choice="blue-note"] .swatches i:nth-child(1) {
  background: #102a43;
}

.palette-button[data-palette-choice="blue-note"] .swatches i:nth-child(2) {
  background: #91cfd6;
}

.palette-button[data-palette-choice="blue-note"] .swatches i:nth-child(3) {
  background: #e58b74;
}

.palette-button[data-palette-choice="rose-amp"] .swatches i:nth-child(1) {
  background: #27365f;
}

.palette-button[data-palette-choice="rose-amp"] .swatches i:nth-child(2) {
  background: #c53b63;
}

.palette-button[data-palette-choice="rose-amp"] .swatches i:nth-child(3) {
  background: #84bfd0;
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form label,
.ai-prompt {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.login-form input,
.login-form select {
  min-height: 44px;
  padding: 0 12px;
}

.login-form button,
.primary-button {
  border-color: var(--claret-dark);
  background: var(--claret);
  color: #fffaf4;
  font-weight: 750;
}

.form-error {
  min-height: 22px;
  margin: 0;
  color: #9f3d35;
}

.workspace {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 34px 26px 34px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0 24px;
  border-bottom: 1px solid rgba(175, 137, 93, 0.42);
  margin-bottom: 18px;
}

.brand-lockup {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  align-items: start;
}

.brand-lockup .kicker,
.brand-lockup h1,
.brand-lockup .context-line {
  grid-column: 2;
}

.context-line {
  margin: 10px 0 0;
  max-width: 640px;
  color: var(--muted);
  line-height: 1.45;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  padding: 8px;
  border: 1px solid rgba(175, 137, 93, 0.38);
  border-radius: 8px;
  background: rgba(255, 253, 247, 0.68);
}

.topbar-actions .palette-switcher {
  flex: 1 1 100%;
  justify-content: flex-end;
}

.save-status {
  min-width: 150px;
  color: var(--muted);
  font-size: 0.88rem;
  text-align: right;
}

.quiet-button {
  background: rgba(255, 253, 248, 0.76);
}

.intro-note {
  margin-bottom: 22px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(var(--navy-rgb), 0.12), transparent 24%),
    linear-gradient(180deg, transparent 0 84%, rgba(var(--rose-rgb), 0.18) 84% 100%),
    rgba(255, 248, 230, 0.92);
  box-shadow: var(--shadow);
}

.intro-note textarea {
  min-height: 168px;
  padding: 22px;
  border: 0;
  background: transparent;
  font-family: "Bodoni 72", Didot, Georgia, "Times New Roman", serif;
  font-size: clamp(1.12rem, 2vw, 1.35rem);
  color: #20202a;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
  gap: 22px;
  align-items: start;
}

.document-column,
.side-panel {
  min-width: 0;
}

.column-heading,
.panel-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 14px;
}

.column-heading h2,
.panel-block h2 {
  margin: 0;
  font-family: "Bodoni 72", Didot, Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.sections-list {
  display: grid;
  gap: 14px;
}

.idea-section {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 6px solid transparent;
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(var(--blue-rgb), 0.12), transparent 34%),
    rgba(255, 253, 247, 0.94);
  box-shadow: 0 10px 28px rgba(87, 57, 31, 0.08);
}

.idea-section.active {
  border-left-color: var(--claret);
  background: var(--cream);
}

.section-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-count {
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.section-tools button {
  min-height: 32px;
  border-color: transparent;
  background: rgba(var(--navy-rgb), 0.08);
  color: var(--navy);
  font-size: 0.82rem;
  font-weight: 750;
}

.section-title-input {
  min-height: 46px;
  padding: 2px 0 8px;
  border: 0;
  border-bottom: 1px solid rgba(175, 137, 93, 0.55);
  border-radius: 0;
  background: transparent;
  font-family: "Bodoni 72", Didot, Georgia, "Times New Roman", serif;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 700;
}

.section-body-input {
  min-height: 150px;
  padding: 14px;
  border-color: rgba(221, 199, 166, 0.74);
  background: rgba(255, 253, 247, 0.72);
}

.side-panel {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
}

.panel-block {
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 248, 230, 0.94);
  box-shadow: 0 12px 30px rgba(87, 57, 31, 0.09);
}

.active-section-block {
  border-color: rgba(var(--blue-rgb), 0.8);
  background: var(--active-panel);
}

.active-section-block p:last-child,
.ai-status,
.ai-result {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.comment-form {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.comment-form textarea {
  min-height: 92px;
  padding: 11px 12px;
}

.comments-list,
.versions-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.comment,
.version {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--cream);
}

.comment.resolved {
  opacity: 0.62;
}

.comment-meta,
.version-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 0.78rem;
}

.comment p,
.version p {
  margin: 8px 0 0;
  line-height: 1.45;
}

.comment button,
.version button {
  min-height: 30px;
  padding: 0 10px;
  font-size: 0.8rem;
}

.ai-block {
  border-color: #d7a84d;
  background:
    linear-gradient(135deg, rgba(var(--navy-rgb), 0.13), transparent 44%),
    linear-gradient(180deg, transparent 0 76%, rgba(var(--butter-rgb), 0.25) 76% 100%),
    var(--ai-panel);
}

.ai-prompt textarea {
  min-height: 112px;
  padding: 12px;
}

.ai-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 12px;
}

.ai-actions button {
  min-height: 38px;
  padding: 0 10px;
  border-color: rgba(var(--line-rgb), 0.58);
  background: rgba(255, 253, 247, 0.82);
  color: #252230;
  font-weight: 700;
}

.empty-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

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

  .side-panel {
    position: static;
  }
}

@media (max-width: 680px) {
  .workspace {
    padding: 16px;
  }

  .topbar {
    display: grid;
  }

  .topbar-actions {
    justify-content: stretch;
  }

  .topbar-actions button,
  .save-status {
    width: 100%;
    text-align: left;
  }

  .login-paper {
    padding: 26px;
  }

  .ai-actions {
    grid-template-columns: 1fr;
  }
}