/* ==========================================================================
   Tokens
   ========================================================================== */

:root {
  --color-canvas-bg: #f7f8fa;
  --color-canvas-text: #24303a;
  --color-canvas-strong: #0f1c26;
  --color-canvas-muted: #4c5f70;
  --color-canvas-link: #0053b3;

  --color-header-bg: #ffffff;
  --color-header-text: #24303a;
  --color-header-strong: #0f1c26;
  --color-header-muted: #5f6f7d;
  --color-header-link: #0053b3;

  --color-hero-bg: #e9f0f7;
  --color-hero-text: #24303a;
  --color-hero-strong: #0f1c26;
  --color-hero-muted: #4f6374;
  --color-hero-link: #0049a3;

  --color-section-bg: #ffffff;
  --color-section-text: #24303a;
  --color-section-strong: #0f1c26;
  --color-section-muted: #5d6d7c;
  --color-section-link: #0053b3;

  --color-note-bg: #eef3f8;
  --color-note-text: #2b3945;
  --color-note-strong: #11202c;

  --color-footer-bg: #0f1c26;
  --color-footer-text: #d9e1e8;
  --color-footer-link: #8fc2ff;

  --color-action-bg: #0053b3;
  --color-action-text: #ffffff;
  --color-action-secondary-bg: #dfe7ef;
  --color-action-secondary-text: #183042;

  --color-border-subtle: #d9e1e8;
  --color-border-card: #d6dee7;
  --color-panel-bg: #f4f7fa;

  --color-critique-bg: #f9d8d4;
  --color-critique-text: #7b2018;
  --color-majeur-bg: #f8e3bf;
  --color-majeur-text: #7a5200;
  --color-mineur-bg: #d9ece4;
  --color-mineur-text: #15523a;

  --page-accent: var(--color-canvas-link);
}

/* ==========================================================================
   Base
   ========================================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-canvas-bg);
  color: var(--color-canvas-text);
  font:
    400 18px/1.7 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
}

a {
  color: var(--color-canvas-link);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

code,
pre {
  font-family: "SFMono-Regular", "Menlo", "Monaco", "Consolas", monospace;
}

h1 {
  margin: 0;
  color: var(--color-canvas-strong);
  font:
    700 clamp(2.4rem, 5vw, 4.6rem)/1.05 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
  letter-spacing: -0.03em;
}

h2 {
  margin: 0;
  color: var(--color-canvas-strong);
  font:
    700 1.7rem/1.15 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
  letter-spacing: -0.02em;
}

h3 {
  margin: 0;
  color: var(--color-canvas-strong);
  font:
    700 1.45rem/1.2 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.page-shell {
  width: 100%;
  margin: 0 auto;
}

.site-main {
  display: grid;
  gap: 0;
}

/* ==========================================================================
   Utilities
   ========================================================================== */

.u-hidden {
  display: none !important;
}

.u-muted {
  color: var(--color-section-muted);
}

.u-eyebrow {
  color: var(--color-section-muted);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.u-prose p:first-child {
  margin-top: 0;
}

.u-prose p:last-child {
  margin-bottom: 0;
}

.page-intro {
  color: var(--color-section-muted);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
  background: var(--color-header-bg);
  color: var(--color-header-text);
  padding: 28px 0 24px;
}

.site-header__inner {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  color: var(--color-header-link);
  text-decoration: none;
}

.site-brand__mark {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  background: var(--color-header-link);
  color: #ffffff;
  font:
    800 1.25rem/1 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
}

.site-brand__text {
  display: block;
}

.site-brand__title {
  display: block;
  color: var(--color-header-strong);
  font:
    800 1.5rem/0.95 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
  letter-spacing: -0.03em;
}

.site-brand__subtitle {
  display: block;
  color: var(--color-header-muted);
  font-size: 0.88rem;
  letter-spacing: 0.02em;
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  margin-left: auto;
  gap: 24px;
}

.site-nav__link {
  color: var(--color-header-link);
  font-weight: 600;
  text-decoration: none;
}

.site-nav__link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  margin-top: 0;
  padding: 28px 32px 76px;
}

.site-footer__inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-footer__content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px 20px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--color-footer-link);
  font-weight: 700;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
}

.hero__inner {
  width: min(980px, calc(100% - 48px));
  margin: 0 auto;
  padding: 56px 0;
}

.hero__inner--narrow {
  width: min(900px, calc(100% - 48px));
}

.hero__content {
  display: grid;
  gap: 20px;
  align-content: start;
}

.hero__content h1 {
  color: var(--color-hero-strong);
}

.hero__content p {
  color: var(--color-hero-muted);
}

.hero__content .u-eyebrow {
  color: var(--color-hero-muted);
}

.hero__backlink {
  color: var(--color-hero-link);
  font-weight: 600;
  text-decoration: none;
}

.hero__backlink:hover {
  text-decoration: underline;
}

.hero__meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  background: var(--color-section-bg);
  color: var(--color-section-text);
}

.section--separated {
  border-top: 1px solid var(--color-border-subtle);
}

.section__inner {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 40px 0;
}

.section__inner--narrow {
  width: min(900px, calc(100% - 48px));
}

.section__head {
  display: grid;
  gap: 10px;
  margin-bottom: 28px;
  margin-top: 56px;
}

.section__head p {
  color: var(--color-section-muted);
}

/* ==========================================================================
   Generic Grids
   ========================================================================== */

.cards-grid {
  display: grid;
  gap: 24px;
}

.cards-grid--themes {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.cards-grid--rules {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.split-grid {
  display: grid;
}

.split-grid--details {
  gap: 40px;
  grid-template-columns: 1fr;
}

.split-grid--sources {
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
}

.stack-list {
  display: grid;
  gap: 24px;
}

/* ==========================================================================
   Card Component
   ========================================================================== */

.c-card {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 28px;
  background: var(--color-section-bg);
  color: var(--color-section-text);
  text-decoration: none;
}

.c-card--theme {
  border: 3px dashed var(--color-border-card);
}

.c-card--rule {
  border: 3px dashed var(--color-border-card);
}

.c-card--detail {
  border: 3px dashed var(--color-border-card);
}

.c-card--theme:hover {
  background: #f3f7fb;
}

.c-card--rule:hover {
  background: #f3f7fb;
}

.c-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.c-card__title {
  margin: 14px 0 10px;
  color: var(--color-section-strong);
}

.c-card__body {
  color: var(--color-section-muted);
}

.c-card__meta {
  margin-top: 22px;
  color: var(--color-section-muted);
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.c-card--detail h2 {
  margin-bottom: 14px;
}

.c-card--source .c-card__title {
  margin: 8px 0 10px;
}

.c-card__link {
  margin: 0;
}

.c-card__link a {
  color: var(--color-section-link);
  font-weight: 700;
}

/* ==========================================================================
   Comparison Component
   ========================================================================== */

.c-comparison {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  padding: 0;
}

.c-comparison__item {
  display: flex;
  flex-direction: column;
}

.c-comparison__content {
  display: grid;
  gap: 0;
  flex: auto;
}

.c-comparison__note {
  padding: 18px;
  border: 2px solid var(--color-mineur-bg);
  margin: 0;
  flex: auto;
}

.c-comparison__panel {
  flex: auto;
  margin: 0;
  padding: 18px;
  background: var(--color-panel-bg);
  color: var(--color-canvas-strong);
  white-space: pre-wrap;
  word-break: break-word;
  overflow: auto;
}

/* ==========================================================================
   Chips
   ========================================================================== */

.c-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  padding: 0.25rem 0.8rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.c-chip--ghost {
  color: var(--color-section-text);
  background: #dfe7ef;
}

.c-chip--critique {
  color: var(--color-critique-text);
  background: var(--color-critique-bg);
}

.c-chip--majeur {
  color: var(--color-majeur-text);
  background: var(--color-majeur-bg);
}

.c-chip--mineur {
  color: var(--color-mineur-text);
  background: var(--color-mineur-bg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.c-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border: 0;
  cursor: pointer;
  color: var(--color-action-text);
  background: var(--color-action-bg);
  font:
    700 0.92rem/1 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.c-button--secondary {
  color: var(--color-action-secondary-text);
  background: var(--color-action-secondary-bg);
}

.c-button--small {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.82rem;
}

.c-button[disabled] {
  cursor: not-allowed;
  opacity: 0.55;
}

.u-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

/* ==========================================================================
   Form Controls
   ========================================================================== */

.inspector-form {
  display: grid;
  gap: 18px;
}

.c-textarea {
  width: 100%;
  min-height: 210px;
  padding: 22px 24px;
  border: 0;
  resize: vertical;
  background: #f7f9fc;
  color: var(--color-section-text);
  font:
    500 1rem/1.7 "SFMono-Regular", "Menlo", "Monaco", "Consolas", monospace;
}

.c-textarea--large {
  min-height: 320px;
}

.c-input {
  width: 100%;
  min-height: 52px;
  padding: 18px;
  border: 0;
  background: #f7f9fc;
  color: var(--color-section-text);
  font:
    500 1rem/1.6 "SFMono-Regular", "Menlo", "Monaco", "Consolas", monospace;
}

/* ==========================================================================
   Tabs
   ========================================================================== */

.c-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 14px;
}

.c-tabs__button {
  min-height: 44px;
  padding: 0 18px;
  border: 0;
  cursor: pointer;
  background: #e4ebf2;
  color: #314655;
  font:
    700 0.88rem/1 "Marianne", "Source Sans 3", "Helvetica Neue", sans-serif;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.c-tabs__button--active {
  background: var(--color-action-bg);
  color: var(--color-action-text);
}

/* ==========================================================================
   Inspector
   ========================================================================== */

.inspector__panel {
  display: grid;
  gap: 18px;
}

.inspector__preview {
  min-height: 320px;
  padding: 22px 24px;
  background: #f7f9fc;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.inspector__actions {
  margin-top: 20px;
}

[data-annotated-intro] {
  color: var(--color-section-muted);
}

/* ==========================================================================
   Findings
   ========================================================================== */

.finding-groups {
  display: grid;
  gap: 0;
}

.finding-group + .finding-group {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-subtle);
}

.finding-group__list {
  display: grid;
  gap: 24px;
}

.finding-card {
  padding: 40px 0;
}

.finding-card--silent {
  padding: 40px;
  background: #f3f7fa;
}

.finding-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.finding-card__title {
  margin: 6px 0 0;
}

.finding-card__context {
  margin: 18px 0;
  padding: 18px 20px;
  background: var(--color-note-bg);
  color: var(--color-note-text);
  font-style: normal;
}

.finding-card__context u {
  color: var(--color-note-strong);
  font-weight: 700;
  text-decoration-thickness: 0.12em;
  text-underline-offset: 0.18em;
}

.finding-card__meta {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  color: var(--color-section-muted);
}

.finding-card__meta a {
  color: var(--color-section-link);
  font-weight: 400;
}

.finding-card__actions {
  margin-top: 20px;
}


/* ==========================================================================
   Highlighted Text
   ========================================================================== */

.flag {
  padding: 0.12em 0.16em;
}

.flag strong {
  font-weight: 800;
}

.flag-critique {
  background: var(--color-critique-bg);
}

.flag-majeur {
  background: var(--color-majeur-bg);
}

.flag-mineur {
  background: var(--color-mineur-bg);
}

.flag-silent {
  background: #edf2f7;
}

.flag-silent strong {
  color: #4f6070;
}

/* ==========================================================================
   Diff Tokens
   ========================================================================== */

.diff-token-same {
  color: rgba(16, 32, 43, 0.55);
}

.diff-token-change {
  color: #10202b;
  font-weight: 700;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
  .hero__inner {
    padding: 36px 0;
  }

  .section__inner {
    padding: 28px 0;
  }

  .site-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer__content {
    flex-direction: column;
    align-items: flex-start;
  }

  .section__head {
    align-items: flex-start;
  }

  .finding-card__header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .hero__inner {
    width: min(100% - 24px, 980px);
  }

  .hero__inner--narrow {
    width: min(100% - 24px, 900px);
  }

  .section__inner {
    width: min(100% - 24px, 1180px);
  }

  .section__inner--narrow {
    width: min(100% - 24px, 900px);
  }

  .site-footer__inner {
    width: min(100% - 24px, 1180px);
  }

  body {
    font-size: 17px;
  }

  .site-nav {
    gap: 14px 18px;
  }

  h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }
}