:root {
  --ms-navy: #0a2239;
  --ms-navy-2: #102f4e;
  --ms-blue: #175f9f;
  --ms-blue-dark: #104b80;
  --ms-blue-soft: #dce8f1;
  --ms-page: #e8ecef;
  --ms-surface: #f5f6f4;
  --ms-surface-raised: #fafbf9;
  --ms-surface-muted: #e7ebed;
  --ms-border: #c2cbd1;
  --ms-border-soft: #d4dadd;
  --ms-text: #17212b;
  --ms-muted: #5e6974;
  --ms-subtle: #87919a;
  --ms-success: #176a50;
  --ms-warning: #8c6515;
  --ms-danger: #a33845;
  --ms-radius: 4px;
  --ms-shadow: 0 18px 50px rgba(14, 31, 48, .08);
  --ms-font-xs: 12px;
  --ms-font-sm: 14px;
  --ms-font-base: 16px;
  --ms-font-lg: 18px;
  --ms-font-xl: 22px;
}

html { background: var(--ms-page); }

.markscope-body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  margin: 0;
  background: var(--ms-page);
  color: var(--ms-text);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-feature-settings: "kern" 1, "liga" 1;
  -webkit-font-smoothing: antialiased;
  font-size: var(--ms-font-base);
  line-height: 1.5;
}

.markscope-body > main { flex: 1 0 auto; }

.ms-shell {
  width: min(1240px, calc(100% - 64px));
  margin-inline: auto;
}

/* Navigation */
.ms-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: #0a2239;
  color: #f4f7f9;
}

.ms-header__inner {
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.ms-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #f7f9fb;
  text-decoration: none;
}

.ms-brand__mark {
  width: 23px;
  height: 23px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  transform: skew(-10deg);
}

.ms-brand__mark span { background: #70b2e3; }
.ms-brand__mark span:last-child { background: #f0f5f8; }
.ms-brand__name { font-size: 17px; font-weight: 720; letter-spacing: -.035em; }

.ms-nav { display: flex; align-items: center; gap: 14px; }
.ms-service-link { color: #aebdca; font-size: var(--ms-font-sm); font-weight: 650; text-decoration: none; padding-block: 6px; border-bottom: 1px solid transparent; }
.ms-service-link:hover, .ms-service-link[aria-current] { color: #f2f6f9; border-bottom-color: #71b3e4; }
.ms-service-link:focus-visible { outline: 2px solid #8fc7ef; outline-offset: 4px; }
@media (max-width: 640px) {
  .ms-header__inner { flex-wrap: wrap; gap: 0; padding-block: 12px; }
  .ms-nav { justify-content: flex-end; flex: 1; gap: 12px; }
  .ms-service-link { font-size: 12px; }
  .ms-header .ms-nav__action { display: none; }
}
.ms-product-label { color: #aebdca; font-size: var(--ms-font-xs); font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.ms-nav__divider { width: 1px; height: 18px; background: rgba(255,255,255,.18); }
.ms-beta-label { color: #8fa4b6; font-size: var(--ms-font-xs); font-weight: 650; }
.ms-nav__action { display: inline-flex; align-items: center; gap: 7px; color: #f2f6f9; font-size: var(--ms-font-sm); font-weight: 700; text-decoration: none; }
.ms-nav__action span { color: #71b3e4; transition: transform .15s ease; }
.ms-nav__action:hover { color: #8fc7ef; }
.ms-nav__action:hover span { transform: translate(2px,-2px); }

/* Footer */
.ms-footer { flex: 0 0 auto; margin-top: auto; border-top: 1px solid var(--ms-border); background: #dfe4e7; }
.ms-footer__inner { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: #78838d; font-size: var(--ms-font-xs); }
.ms-footer__inner span:first-child { color: var(--ms-navy); font-weight: 700; }

/* Shared type */
.ms-eyebrow,
.ms-kicker {
  margin: 0;
  color: var(--ms-blue);
  font-size: var(--ms-font-xs);
  font-weight: 760;
  letter-spacing: .16em;
  text-transform: uppercase;
}

/* Home hero */
.ms-home-hero {
  border-bottom: 1px solid #1e3a50;
  background: #122b40;
  color: #f6f8fa;
}

.ms-home-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 60px;
  align-items: end;
  padding: 46px 0 44px;
}

.ms-home-hero__copy { max-width: 800px; }
.ms-home-hero h1 {
  max-width: 780px;
  margin: 12px 0 0;
  color: #f7f9fb;
  font-size: clamp(36px, 4.6vw, 58px);
  font-weight: 560;
  line-height: 1.12;
  letter-spacing: -.045em;
}
.ms-home-hero h1 span { color: #92b5d0; font-weight: 430; }
.ms-home-hero__lead { max-width: 660px; margin: 18px 0 0; color: #c1ccd5; font-size: var(--ms-font-base); line-height: 1.68; }

.ms-home-hero__facts { border-top: 1px solid rgba(255,255,255,.18); }
.ms-home-hero__facts > div { display: grid; grid-template-columns: 36px 1fr; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.12); padding: 10px 0; }
.ms-home-hero__facts strong { color: #7eb9e4; font-size: var(--ms-font-xs); font-weight: 720; letter-spacing: .06em; }
.ms-home-hero__facts span { color: #d6dfe6; font-size: var(--ms-font-sm); font-weight: 600; line-height: 1.45; }

/* Home workspace */
.ms-home-workspace { padding: 42px 0 72px; background: #e8ecef; }
.ms-home-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 42px; align-items: start; }

.ms-research-composer {
  overflow: hidden;
  border: 1px solid #bcc6cc;
  border-radius: var(--ms-radius);
  background: var(--ms-surface);
  box-shadow: 0 14px 38px rgba(18, 39, 58, .08);
}

.ms-research-composer__topbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  border-bottom: 1px solid var(--ms-border-soft);
  padding: 22px 24px 20px;
  background: #e9edef;
}
.ms-research-composer__topbar h2 { margin: 5px 0 0; color: var(--ms-navy); font-size: var(--ms-font-xl); font-weight: 680; letter-spacing: -.025em; }
.ms-case-field { width: 250px; }
.ms-field-label { display: block; margin-bottom: 7px; color: #6a7580; font-size: var(--ms-font-xs); font-weight: 720; letter-spacing: .11em; text-transform: uppercase; }
.ms-research-composer__body { padding: 25px 24px 20px; }
.ms-question-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 9px; }
.ms-question-head label { color: #33414e; font-size: var(--ms-font-sm); font-weight: 680; }
.ms-help { color: #8a949d; font-size: var(--ms-font-xs); }

.research-select,
.research-textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid #cbd3d9;
  border-radius: 3px;
  background: #f8f9f7;
  color: var(--ms-text);
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.research-select { height: 42px; padding: 0 34px 0 12px; font-size: var(--ms-font-sm); font-weight: 650; }
.research-textarea { min-height: 190px; resize: vertical; padding: 16px; font: inherit; font-size: var(--ms-font-base); line-height: 1.7; }
.research-textarea::placeholder { color: #9aa3ab; }
.research-select:focus,
.research-textarea:focus { border-color: #5b8eb9; box-shadow: 0 0 0 3px rgba(23,95,159,.08); }

.ms-form-error { margin-top: 8px; border-left: 2px solid var(--ms-danger); background: #fff7f7; padding: 9px 11px; color: #8f3140; font-size: 13px; line-height: 1.5; }
.ms-research-composer__footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--ms-border-soft); padding: 15px 16px 15px 24px; background: #e4e9eb; }
.ms-research-composer__footer p { max-width: 520px; margin: 0; color: #76818a; font-size: 13px; line-height: 1.55; }
.ms-primary-button {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  border: 1px solid var(--ms-navy);
  border-radius: 2px;
  background: var(--ms-navy);
  padding: 0 15px;
  color: #fff;
  cursor: pointer;
  font-size: var(--ms-font-sm);
  font-weight: 700;
  letter-spacing: .01em;
  text-decoration: none;
  transition: background .15s ease, border-color .15s ease;
}
.ms-primary-button:hover { border-color: var(--ms-blue); background: var(--ms-blue); }
.ms-primary-button span { font-size: 16px; font-weight: 400; }

.ms-examples { border-top: 2px solid var(--ms-navy); }
.ms-examples__head { padding: 17px 0 15px; }
.ms-examples__head h2 { margin: 5px 0 0; color: var(--ms-navy); font-size: 20px; font-weight: 680; letter-spacing: -.025em; }
.ms-example-list { border-top: 1px solid #bfc8ce; }
.ms-example { position: relative; width: 100%; display: block; border: 0; border-bottom: 1px solid var(--ms-border-soft); background: transparent; padding: 14px 30px 14px 0; text-align: left; cursor: pointer; }
.ms-example__type { display: block; color: #77828c; font-size: 12px; font-weight: 720; letter-spacing: .12em; text-transform: uppercase; }
.ms-example__question { display: block; margin-top: 5px; color: #34424f; font-size: var(--ms-font-sm); font-weight: 620; line-height: 1.5; }
.ms-example__arrow { position: absolute; top: 50%; right: 2px; color: #9ba4ac; font-size: 15px; transform: translateY(-50%); transition: transform .15s ease, color .15s ease; }
.ms-example:hover .ms-example__question { color: var(--ms-blue); }
.ms-example:hover .ms-example__arrow { color: var(--ms-blue); transform: translate(2px, calc(-50% - 2px)); }
.ms-beta-note { display: flex; gap: 10px; margin-top: 18px; color: #77818a; }
.ms-beta-note__mark { width: 20px; height: 20px; display: grid; flex: 0 0 auto; place-items: center; border: 1px solid #aeb7be; border-radius: 50%; color: #68747e; font: 700 11px/1 Georgia, serif; }
.ms-beta-note p { margin: 0; font-size: var(--ms-font-xs); line-height: 1.55; }
.ms-beta-note strong { color: #4a5661; }

/* Process / pending / error pages */
.ms-process-hero { border-bottom: 1px solid #1e3a50; background: #122b40; color: #f6f8fa; }
.ms-process-hero__inner { padding: 28px 0 54px; }
.ms-back-link { display: inline-flex; align-items: center; gap: 7px; color: #aebdca; font-size: 13px; font-weight: 650; text-decoration: none; }
.ms-back-link:hover { color: #8fc7ef; }
.ms-process-hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 60px; align-items: end; margin-top: 45px; }
.ms-process-hero__grid--single { grid-template-columns: minmax(0, 1fr); }
.ms-process-hero h1 { max-width: 880px; margin: 13px 0 0; color: #f7f9fb; font-size: clamp(30px, 4vw, 48px); font-weight: 540; line-height: 1.12; letter-spacing: -.045em; }
.ms-process-hero__lead { max-width: 700px; margin: 16px 0 0; color: #b9c6d0; font-size: var(--ms-font-base); line-height: 1.65; }
.ms-process-meta { margin: 0; border-top: 1px solid rgba(255,255,255,.18); }
.ms-process-meta > div { display: flex; justify-content: space-between; gap: 18px; border-bottom: 1px solid rgba(255,255,255,.12); padding: 11px 0; }
.ms-process-meta dt { color: #91a5b6; font-size: var(--ms-font-xs); }
.ms-process-meta dd { margin: 0; color: #e9eff4; font-size: 13px; font-weight: 680; text-align: right; }
.ms-live-dot { display: inline-block; width: 5px; height: 5px; margin-right: 6px; border-radius: 50%; background: var(--ms-success); vertical-align: 1px; }
.ms-page-bottom { padding: 38px 0 72px; }

.ms-progress-card { max-width: 900px; border-top: 2px solid var(--ms-navy); background: var(--ms-surface); padding: 27px 30px 25px; box-shadow: 0 8px 28px rgba(17, 38, 57, .05); }
.ms-progress-head { display: flex; justify-content: space-between; gap: 28px; }
.ms-progress-head h2 { margin: 6px 0 0; color: var(--ms-navy); font-size: var(--ms-font-xl); font-weight: 680; letter-spacing: -.025em; }
.ms-progress-head p { max-width: 640px; margin: 8px 0 0; color: #68747f; font-size: var(--ms-font-sm); line-height: 1.65; }
.ms-spinner { width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid #cfd7dd; border-radius: 50%; }
.ms-spinner span { width: 14px; height: 14px; border: 2px solid #dfe5e9; border-top-color: var(--ms-blue); border-radius: 50%; animation: ms-spin .9s linear infinite; }
@keyframes ms-spin { to { transform: rotate(360deg); } }
.ms-progress-track { height: 2px; margin-top: 25px; overflow: hidden; background: #e5e9ec; }
.ms-progress-bar { width: 32%; height: 100%; background: var(--ms-blue); animation: ms-progress 2.2s ease-in-out infinite; }
@keyframes ms-progress { 0% { transform: translateX(-110%); } 50% { transform: translateX(115%); } 100% { transform: translateX(320%); } }
.ms-progress-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 0; margin-top: 20px; border-top: 1px solid var(--ms-border-soft); }
.ms-progress-steps > div { display: flex; gap: 10px; padding: 14px 14px 0 0; color: #66727c; font-size: 13px; line-height: 1.45; }
.ms-progress-steps strong { color: var(--ms-blue); font-size: 12px; letter-spacing: .08em; }

.ms-loading-heading { display: flex; align-items: center; gap: 22px; }
.ms-loading-heading .ms-kicker { margin: 0; }
.ms-loading-heading h2 { margin: 6px 0 0; color: var(--ms-navy); font-size: 24px; font-weight: 680; letter-spacing: -.025em; }
.ms-loading-spinner { position: relative; display: grid; place-items: center; flex: 0 0 68px; width: 68px; height: 68px; color: var(--ms-blue); }
.ms-loading-spinner::before { content: ''; position: absolute; inset: 0; box-sizing: border-box; border: 5px solid var(--ms-border); border-top-color: var(--ms-blue); border-right-color: var(--ms-blue); border-radius: 50%; animation: ms-spin 1s linear infinite; }
.ms-loading-spinner svg { width: 28px; height: 28px; }
.ms-loading-spinner--small { flex-basis: 24px; width: 24px; height: 24px; }
.ms-loading-spinner--small::before { border-width: 3px; }
.ms-search-duration { margin-top: 26px; padding: 20px 22px; border: 1px solid var(--ms-border); border-left: 4px solid var(--ms-blue); border-radius: var(--ms-radius); background: var(--ms-surface-muted); }
.ms-search-duration strong { color: var(--ms-navy); font-size: 20px; line-height: 1.4; }
.ms-search-duration p { margin: 8px 0 0; color: var(--ms-text); font-size: 14px; line-height: 1.7; }
.ms-status-description { margin: 22px 0 0; color: var(--ms-muted); font-size: 14px; line-height: 1.7; }
.ms-progress-card [hidden], .ms-process-meta [hidden] { display: none !important; }
.ms-poll-warning { margin-top: 20px; padding: 14px 18px; border: 1px solid var(--ms-border); border-left: 3px solid var(--ms-warning); border-radius: var(--ms-radius); background: var(--ms-surface-muted); color: var(--ms-text); font-size: 14px; }
.ms-poll-warning p { margin: 0; line-height: 1.7; }
.ms-poll-retry { margin-top: 18px; padding: 10px 16px; border: 1px solid var(--ms-border); border-radius: var(--ms-radius); background: var(--ms-surface); color: var(--ms-text); font: inherit; font-size: 14px; cursor: pointer; }
.ms-poll-retry:focus-visible { outline: 2px solid var(--ms-blue); outline-offset: 3px; }
.ms-poll-retry:disabled { opacity: .65; cursor: wait; }
.ms-research-status .ms-progress-track { height: 6px; border-radius: 6px; background: var(--ms-border-soft); }
.ms-research-status .ms-progress-bar { border-radius: inherit; }
.ms-submit-feedback { display: flex; align-items: center; gap: 14px; margin: 0 24px 24px; padding: 16px; border: 1px solid var(--ms-border); border-left: 3px solid var(--ms-blue); border-radius: var(--ms-radius); background: var(--ms-surface-muted); color: var(--ms-text); font-size: 13px; }
.ms-submit-feedback[hidden] { display: none; }
.ms-submit-feedback p { margin: 0; line-height: 1.7; }
.ms-research-composer button[type="submit"]:disabled { opacity: .65; cursor: wait; }

@media (max-width: 760px) {
  .ms-loading-heading { gap: 16px; }
  .ms-loading-spinner:not(.ms-loading-spinner--small) { flex-basis: 54px; width: 54px; height: 54px; }
  .ms-loading-heading h2 { font-size: 21px; }
  .ms-search-duration { padding: 16px; }
  .ms-search-duration strong { font-size: 18px; }
}

.ms-error-card { max-width: 760px; border-top: 2px solid var(--ms-danger); background: var(--ms-surface); padding: 26px 28px; box-shadow: 0 8px 28px rgba(17, 38, 57, .05); }
.ms-error-row { display: flex; gap: 16px; }
.ms-error-icon { width: 32px; height: 32px; display: grid; flex: 0 0 auto; place-items: center; border: 1px solid #dfadb3; border-radius: 50%; color: var(--ms-danger); font-size: 14px; font-weight: 800; }
.ms-error-card p { margin: 6px 0 0; color: #66727c; font-size: var(--ms-font-sm); line-height: 1.65; }
.ms-error-actions { margin-top: 22px; border-top: 1px solid var(--ms-border-soft); padding-top: 18px; }
.ms-error-eyebrow { color: var(--ms-danger); }

@media (max-width: 960px) {
  .ms-shell { width: min(100% - 40px, 1240px); }
  .ms-home-hero__inner { grid-template-columns: 1fr; gap: 28px; }
  .ms-home-hero__facts { display: grid; grid-template-columns: repeat(3,1fr); }
  .ms-home-hero__facts > div { display: block; border-right: 1px solid var(--ms-border-soft); padding: 12px 16px 4px 0; }
  .ms-home-hero__facts > div:last-child { border-right: 0; }
  .ms-home-hero__facts span { display: block; margin-top: 5px; }
  .ms-home-grid { grid-template-columns: 1fr; gap: 32px; }
  .ms-examples { max-width: none; }
  .ms-process-hero__grid { grid-template-columns: 1fr; gap: 32px; }
  .ms-process-meta { max-width: 420px; }
}

@media (max-width: 680px) {
  .ms-shell { width: min(100% - 28px, 1240px); }
  .ms-header__inner { min-height: 58px; }
  .ms-product-label, .ms-nav__divider, .ms-beta-label { display: none; }
  .ms-brand__name { font-size: 16px; }
  .ms-home-hero__inner { padding: 34px 0 32px; }
  .ms-home-hero h1 { font-size: 36px; }
  .ms-home-hero__lead { font-size: 15px; }
  .ms-home-hero__facts { grid-template-columns: 1fr; }
  .ms-home-hero__facts > div { display: grid; grid-template-columns: 35px 1fr; border-right: 0; padding: 10px 0; }
  .ms-home-workspace { padding-top: 28px; }
  .ms-research-composer__topbar { display: block; padding: 20px; }
  .ms-case-field { width: 100%; margin-top: 18px; }
  .ms-research-composer__body { padding: 20px; }
  .research-textarea { min-height: 170px; }
  .ms-research-composer__footer { display: block; padding: 15px 20px 20px; }
  .ms-research-composer__footer p { margin-bottom: 14px; }
  .ms-primary-button { width: 100%; }
  .ms-process-hero__inner { padding-bottom: 42px; }
  .ms-process-hero__grid { margin-top: 34px; }
  .ms-progress-card, .ms-error-card { padding: 22px 20px; }
  .ms-progress-head { display: block; }
  .ms-spinner { margin-top: 18px; }
  .ms-progress-steps { grid-template-columns: 1fr; }
  .ms-progress-steps > div { border-bottom: 1px solid var(--ms-border-soft); padding: 11px 0; }
  .ms-footer__inner { display: block; min-height: 0; padding: 18px 0; line-height: 1.8; }
  .ms-footer__inner span { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Dark chrome / muted-paper balance */
.ms-home-hero .ms-eyebrow,
.ms-process-hero .ms-eyebrow { color: #7eb9e4; }
.ms-process-hero .ms-error-eyebrow { color: #e6a4ad; }
.ms-process-hero .ms-live-dot { background: #64c7a1; }

@media (max-width: 960px) {
  .ms-home-hero__facts > div { border-right-color: rgba(255,255,255,.12); }
}

/* Theme control ------------------------------------------------------------ */
.ms-theme-toggle {
  width: 34px;
  height: 34px;
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: 50%;
  background: rgba(255,255,255,.045);
  color: #dce6ed;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.ms-theme-toggle:hover {
  border-color: rgba(143,199,239,.55);
  background: rgba(113,179,228,.1);
  color: #9ed0f2;
}
.ms-theme-toggle:focus-visible {
  outline: 2px solid #8fc7ef;
  outline-offset: 2px;
}
.ms-theme-toggle svg {
  width: 16px;
  height: 16px;
  grid-area: 1 / 1;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}
.ms-theme-toggle__moon { fill: currentColor !important; stroke: none !important; }
.ms-theme-toggle__sun { display: none; }

/* Dark mode --------------------------------------------------------------- */
html[data-theme="dark"] {
  color-scheme: dark;
  --ms-navy: #dce8f2;
  --ms-navy-2: #b9d0e1;
  --ms-blue: #72b2df;
  --ms-blue-dark: #91c7eb;
  --ms-blue-soft: #173149;
  --ms-page: #0f171e;
  --ms-surface: #151f27;
  --ms-surface-raised: #19252e;
  --ms-surface-muted: #1b2730;
  --ms-border: #34434f;
  --ms-border-soft: #2a3843;
  --ms-text: #e4eaee;
  --ms-muted: #a9b5be;
  --ms-subtle: #83919c;
  --ms-success: #6bc5a4;
  --ms-warning: #d5ac58;
  --ms-danger: #e27f8a;
  --ms-shadow: 0 20px 55px rgba(0, 0, 0, .24);
}

html[data-theme="dark"] .ms-theme-toggle__moon { display: none; }
html[data-theme="dark"] .ms-theme-toggle__sun { display: block; }
html[data-theme="dark"] .ms-header { background: #08131d; border-bottom-color: #223342; }
html[data-theme="dark"] .ms-footer { background: #0c151c; }
html[data-theme="dark"] .ms-footer__inner { color: #82909b; }
html[data-theme="dark"] .ms-footer__inner span:first-child { color: #cbd8e1; }

html[data-theme="dark"] .ms-home-hero,
html[data-theme="dark"] .ms-process-hero {
  border-bottom-color: #263a49;
  background: #0d2232;
}
html[data-theme="dark"] .ms-home-workspace { background: var(--ms-page); }
html[data-theme="dark"] .ms-research-composer {
  border-color: #34444f;
  background: var(--ms-surface);
  box-shadow: var(--ms-shadow);
}
html[data-theme="dark"] .ms-research-composer__topbar { background: #18242d; }
html[data-theme="dark"] .ms-research-composer__topbar h2,
html[data-theme="dark"] .ms-question-head label,
html[data-theme="dark"] .ms-examples__head h2,
html[data-theme="dark"] .ms-progress-head h2 { color: #dce8f2; }
html[data-theme="dark"] .ms-field-label,
html[data-theme="dark"] .ms-help,
html[data-theme="dark"] .ms-example__type,
html[data-theme="dark"] .ms-beta-note,
html[data-theme="dark"] .ms-progress-head p,
html[data-theme="dark"] .ms-progress-steps > div,
html[data-theme="dark"] .ms-error-card p { color: #9aa8b3; }
html[data-theme="dark"] .research-select,
html[data-theme="dark"] .research-textarea {
  border-color: #3a4a56;
  background: #101920;
  color: #e5ebef;
}
html[data-theme="dark"] .research-select:focus,
html[data-theme="dark"] .research-textarea:focus {
  border-color: #6aa8d4;
  box-shadow: 0 0 0 3px rgba(114,178,223,.12);
}
html[data-theme="dark"] .research-textarea::placeholder { color: #72808a; }
html[data-theme="dark"] .ms-form-error { background: #2a171b; color: #ec9ca5; }
html[data-theme="dark"] .ms-research-composer__footer { background: #121c23; }
html[data-theme="dark"] .ms-research-composer__footer p { color: #8f9ca6; }
html[data-theme="dark"] .ms-primary-button {
  border-color: #75b5e1;
  background: #75b5e1;
  color: #07131d;
}
html[data-theme="dark"] .ms-primary-button:hover {
  border-color: #91c9ed;
  background: #91c9ed;
}
html[data-theme="dark"] .ms-examples { border-top-color: #6d8ba2; }
html[data-theme="dark"] .ms-example-list { border-top-color: #34434f; }
html[data-theme="dark"] .ms-example { border-bottom-color: #2d3b45; }
html[data-theme="dark"] .ms-example__question { color: #c6d0d7; }
html[data-theme="dark"] .ms-beta-note__mark { border-color: #53616b; color: #a7b4bd; }
html[data-theme="dark"] .ms-beta-note strong { color: #bdc8cf; }
html[data-theme="dark"] .ms-progress-card,
html[data-theme="dark"] .ms-error-card {
  background: var(--ms-surface);
  box-shadow: 0 10px 32px rgba(0,0,0,.18);
}
html[data-theme="dark"] .ms-progress-card { border-top-color: #7095b1; }
html[data-theme="dark"] .ms-spinner { border-color: #43535e; }
html[data-theme="dark"] .ms-spinner span { border-color: #2b3943; border-top-color: var(--ms-blue); }
html[data-theme="dark"] .ms-progress-track { background: #27343d; }
html[data-theme="dark"] .ms-error-icon { border-color: #774852; }

/* 404 page uses semantic classes so it follows the same theme. */
.ms-not-found-card {
  border: 1px solid var(--ms-border-soft);
  background: var(--ms-surface-raised);
  color: var(--ms-text);
}
.ms-not-found-kicker { color: var(--ms-subtle); }
.ms-not-found-card h1 { color: var(--ms-text); }
.ms-not-found-card p { color: var(--ms-muted); }