/* =========================================================
   RBCB - Design tokens & styles de base
   Palette issue du logo, ratios de contraste vérifiés WCAG AA
   ========================================================= */

:root {
  --color-bg: #ffffff;
  --color-bg-alt: #faf5ec;
  --color-text: #2b1b12;
  --color-text-muted: #5c4a3a;
  --color-brand-dark: #2b1b12;
  --color-accent: #c9974a;
  --color-accent-dark: #a67c3d;
  --color-link: #8a5a22;
  --color-border: #e4d9c8;
  --color-error: #b3261e;
  --color-error-bg: #fbeceb;
  --color-success: #2e7d32;
  --color-success-bg: #eaf4ea;
  --color-star: #c9974a;
  --color-star-empty: #d9cbb5;

  /* Polices système (aucune requête externe : perf + RGPD) */
  --font-heading: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;

  --radius: 8px;
  --shadow: 0 2px 10px rgba(43, 27, 18, 0.08);
  --shadow-lg: 0 8px 30px rgba(43, 27, 18, 0.14);

  --container-width: 1120px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-brand-dark);
  margin: 0 0 0.6em;
}

h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h3 {
  font-size: 1.25rem;
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-link);
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

a:hover,
a:focus-visible {
  color: var(--color-accent-dark);
}

:focus-visible {
  outline: 3px solid var(--color-accent-dark);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-2);
}

/* --- Lien d'évitement (accessibilité clavier) --- */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-brand-dark);
  color: #fff;
  padding: 0.75em 1.25em;
  z-index: 1000;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

/* --- En-tête / navigation --- */

.site-header {
  background: var(--color-brand-dark);
  color: #fff;
}

.site-header.admin-header {
  background: #4e3475;
}

.admin-header-actions {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.admin-header-actions .btn {
  padding: 0.4rem 1rem;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 0.75rem;
  gap: var(--space-2);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #fff;
  text-decoration: none;
}

.brand img {
  height: 44px;
  width: 44px;
}

.brand-text {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  line-height: 1.1;
}

.brand-text strong {
  display: block;
  color: var(--color-accent);
  font-size: 1.3rem;
  letter-spacing: 0.03em;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 0.4rem 0.1rem;
  border-bottom: 3px solid transparent;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-accent);
}

.main-nav a[aria-current='page'] {
  border-bottom-color: var(--color-accent);
  color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 2px solid var(--color-accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  cursor: pointer;
}

.main-nav a.nav-cta {
  background: var(--color-accent);
  color: var(--color-brand-dark) !important;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  border-bottom: none !important;
}

.main-nav a.nav-cta:hover,
.main-nav a.nav-cta:focus-visible {
  background: var(--color-accent-dark);
  color: var(--color-brand-dark) !important;
}

@media (max-width: 780px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
  }

  .main-nav {
    width: 100%;
  }

  .main-nav ul {
    display: none;
    flex-direction: column;
    gap: 0;
    padding-bottom: var(--space-2);
  }

  .main-nav.is-open ul {
    display: flex;
  }

  .main-nav li {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
  }

  .main-nav a {
    display: block;
    padding: 0.85rem 0.2rem;
  }

  .site-header .container {
    flex-wrap: wrap;
  }
}

/* --- Boutons --- */

.btn {
  display: inline-block;
  font-weight: 700;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-brand-dark);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-accent-dark);
  color: var(--color-brand-dark);
}

.btn-secondary {
  background: transparent;
  border-color: var(--color-brand-dark);
  color: var(--color-brand-dark);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background: var(--color-brand-dark);
  color: #fff;
}

.btn-danger {
  background: var(--color-error-bg);
  color: var(--color-error);
  border-color: var(--color-error);
}

/* Bouton "fantôme" destiné aux fonds sombres (hero, en-tête admin) : un fond
   légèrement teinté évite qu'il se fonde dans l'arrière-plan comme un simple
   contour blanc pouvait le faire. */
.btn-outline-light {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.85);
  color: #fff;
}

.btn-outline-light:hover,
.btn-outline-light:focus-visible {
  background: #fff;
  border-color: #fff;
  color: var(--color-brand-dark);
}

/* --- Sections / mise en page --- */

.section {
  padding-block: var(--space-5);
}

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

.section-header {
  max-width: 640px;
  margin-bottom: var(--space-4);
}

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

.hero {
  background: linear-gradient(135deg, #2b1b12 0%, #3d2717 100%);
  color: #fff;
  padding-block: var(--space-5);
}

.hero h1 {
  color: #fff;
}

.hero p {
  color: #f1e6d3;
  max-width: 55ch;
  font-size: 1.15rem;
}

.hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin-top: var(--space-3);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
}

.trust-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
}

.trust-card h3 {
  margin-bottom: 0.4em;
}

a.trust-card {
  text-decoration: none;
  color: inherit;
}

.trust-card strong {
  font-size: 1.5rem;
}

.trust-card-alert {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}

.trust-card-alert strong {
  color: var(--color-error);
}

/* --- Grilles de cartes (réalisations, avis) --- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-3);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  /* Inoffensif sur .review-card (blockquote, jamais un lien) : permet à .card de servir
     aussi de lien de carte réalisation sans style inline dédié. */
  text-decoration: none;
  color: inherit;
}

.card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.card-body {
  padding: var(--space-2) var(--space-3) var(--space-3);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-body h2 {
  font-size: 1.25rem;
}

.card-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  /* Couleur dédiée (pas --color-accent-dark, réutilisée ailleurs pour des besoins différents) :
     #a67c3d sur fond blanc n'atteint que 3.77:1, insuffisant pour du texte de cette taille
     (WCAG AA exige 4.5:1). #7a5a2a atteint ~6.3:1. */
  color: #7a5a2a;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4em;
}

.card-body p {
  color: var(--color-text-muted);
}

/* --- Filtres réalisations --- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
}

.filters a {
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 600;
}

.filters a[aria-current='true'] {
  background: var(--color-brand-dark);
  color: #fff;
  border-color: var(--color-brand-dark);
}

/* --- Galerie détail réalisation --- */

.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2);
}

.photo-gallery img {
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* --- Étoiles / avis --- */

.stars {
  display: inline-flex;
  gap: 0.15rem;
  color: var(--color-star);
  font-size: 1.1rem;
}

.stars .star-empty {
  color: var(--color-star-empty);
}

.rating-summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--space-3);
}

.rating-summary strong {
  font-size: 1.75rem;
  font-family: var(--font-heading);
}

.review-card {
  margin: 0;
  padding: var(--space-3);
}

.review-card cite {
  display: block;
  font-style: normal;
  font-weight: 700;
  margin-top: 0.6em;
}

fieldset.star-picker {
  border: none;
  padding: 0;
  margin: 0 0 var(--space-2);
}

.star-picker legend {
  font-weight: 600;
  margin-bottom: 0.4em;
}

.star-picker .options {
  display: flex;
  gap: 0.75rem;
}

.star-picker label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.4rem 0.7rem;
}

.star-picker input:checked + span {
  font-weight: 700;
  color: var(--color-accent-dark);
}

.star-picker input:focus-visible {
  outline: 3px solid var(--color-accent-dark);
}

/* --- Formulaires --- */

form {
  max-width: 640px;
}

.form-row {
  margin-bottom: var(--space-2);
}

label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35em;
}

.hint {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 0.3em;
}

input[type='text'],
input[type='email'],
input[type='tel'],
input[type='password'],
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-text);
}

textarea {
  min-height: 160px;
  resize: vertical;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid var(--color-accent-dark);
  outline-offset: 1px;
}

.form-error {
  border-color: var(--color-error) !important;
}

.error-summary {
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  border-radius: var(--radius);
  padding: var(--space-2);
  margin-bottom: var(--space-3);
}

.error-summary h2 {
  font-size: 1.1rem;
  color: var(--color-error);
}

.field-error {
  color: var(--color-error);
  font-size: 0.9rem;
  margin-top: 0.3em;
}

.success-message {
  background: var(--color-success-bg);
  border: 1px solid var(--color-success);
  color: var(--color-success);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-3);
}

/* Honeypot anti-bot : masqué visuellement mais accessible aux robots */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/* --- Pied de page --- */

.site-footer {
  background: var(--color-brand-dark);
  color: #f1e6d3;
  padding-block: var(--space-4);
  margin-top: var(--space-5);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
}

.site-footer h2 {
  color: var(--color-accent);
  font-size: 1.1rem;
}

.site-footer a {
  color: #f1e6d3;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  font-size: 0.85rem;
  color: #cbb99e;
}

/* --- Utilitaires --- */

.text-center {
  text-align: center;
}

.mt-0 {
  margin-top: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- Tableaux admin --- */

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg);
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.admin-table th {
  background: var(--color-bg-alt);
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.badge-warning {
  background: #fdf1de;
  color: #7a4e1e;
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge-muted {
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
}

.badge-danger {
  background: #fdecea;
  color: #7a1e1e;
}

.admin-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 70vh;
}

.admin-sidebar {
  background: var(--color-bg-alt);
  border-right: 1px solid var(--color-border);
  padding: var(--space-3);
}

.admin-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.admin-sidebar a {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
}

.admin-sidebar a:hover,
.admin-sidebar a[aria-current='page'] {
  background: var(--color-accent);
  color: var(--color-brand-dark);
}

.admin-content {
  padding: var(--space-3) var(--space-4);
}

@media (max-width: 780px) {
  .admin-shell {
    grid-template-columns: 1fr;
  }
}

.photo-thumb-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: var(--space-2) 0;
}

.photo-thumb {
  position: relative;
  width: 120px;
}

.photo-thumb img {
  border-radius: var(--radius);
  aspect-ratio: 4/3;
  object-fit: cover;
}

.photo-thumb button {
  margin-top: 0.3rem;
  width: 100%;
}

/* =========================================================
   Utilitaires génériques
   Remplacent les styles inline (retirés pour permettre une CSP
   style-src stricte, sans 'unsafe-inline').
   ========================================================= */

.m-0 { margin: 0; }
.mr-0-5 { margin-right: 0.5rem; }
.mt-neg-0-5 { margin-top: -0.5rem; }
.mt-1-5 { margin-top: 1.5rem; }
.mt-2 { margin-top: 2rem; }
.mt-2-5 { margin-top: 2.5rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.w-full { width: 100%; }

.list-plain {
  list-style: none;
  padding: 0;
  margin: 0;
}

.pre-wrap { white-space: pre-wrap; }

.table-scroll { overflow-x: auto; }

.actions-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.checkbox-inline {
  width: auto;
  display: inline-block;
}

.checkbox-label {
  font-weight: 400;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-right: 1.25rem;
}

.btn-sm { padding: 0.4rem 0.8rem; }
.btn-xs { padding: 0.3rem 0.6rem; font-size: 0.85rem; }

.field-xs { max-width: 160px; }
.field-sm { max-width: 200px; }
.field-md { max-width: 400px; }
.field-lg { max-width: 500px; }
.field-xl { max-width: 600px; }

.container-narrow { max-width: 800px; }

/* --- Composants ponctuels (un seul lieu d'usage, mais plus clair qu'un style inline) --- */

.admin-login { max-width: 420px; }
.admin-login-intro { margin-bottom: 2rem; }
.admin-login-logo { margin: 0 auto 1rem; }
.admin-login-title { font-size: 1.5rem; }

.admin-photo-thumb {
  object-fit: cover;
  border-radius: 4px;
}

.message-cell {
  max-width: 320px;
  white-space: pre-wrap;
}

.devis-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  max-width: 900px;
}

.list-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.devis-form { max-width: 100%; }

.field-address {
  max-width: 400px;
  min-height: 80px;
}

.materiau-search-wrap {
  position: relative;
  max-width: 400px;
}

.materiau-dropdown {
  display: none;
  position: absolute;
  z-index: 10;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 220px;
  overflow-y: auto;
  width: 100%;
}

.lignes-table-wrap {
  overflow-x: auto;
  max-width: 900px;
}

.field-description {
  width: 100%;
  min-width: 180px;
}

.field-narrow { width: 70px; }
.field-narrow-plus { width: 90px; }

.totals-box {
  max-width: 400px;
  margin-top: 1rem;
  margin-left: auto;
}

.totals-row {
  display: flex;
  justify-content: space-between;
}

.totals-row-muted { color: var(--color-text-muted); }
.totals-row-lg { font-size: 1.2rem; }