/* Blog - styles spécifiques aux articles (s'appuie sur ../styles.css) */

/* Layout page */
.blog-page {
    padding-top: 100px;
    min-height: 100vh;
    background: var(--color-white);
}

a { color: var(--color-blue); text-decoration: none; }
a:hover { color: var(--color-blue-light); }

/* NAV - utilise le navbar flottant standard de styles.css (pas d'override ici) */

/* BREADCRUMB */
.breadcrumb {
  max-width: 760px; margin: 0 auto;
  padding: 96px var(--spacing-4) 0;
  font-size: 0.8rem; color: var(--color-gray-500);
}
.breadcrumb a { color: var(--color-gray-500); text-decoration: none; transition: color var(--transition-fast); }
.breadcrumb a:hover { color: var(--color-blue); }
.breadcrumb span { margin: 0 0.4rem; }

/* Article header */
.article-header {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-5) var(--spacing-6) var(--spacing-4);
}
.article-tag {
    display: inline-flex;
    align-items: center;
    background: var(--color-blue);
    color: white;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-3);
    font-family: var(--font-text);
}
.article-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-3);
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    font-size: 0.85rem;
    color: var(--color-gray-500);
    font-family: var(--font-text);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-200);
}
.article-meta strong { color: var(--color-gray-700); }

/* Article body */
.article-body {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-5) var(--spacing-6) var(--spacing-12);
    font-family: var(--font-text);
}
.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-blue-dark);
    margin: var(--spacing-6) 0 var(--spacing-2);
    letter-spacing: -0.02em;
}
.article-body h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-gray-800);
    margin: var(--spacing-4) 0 var(--spacing-1);
    letter-spacing: -0.01em;
}
.article-body p {
    margin-bottom: var(--spacing-3);
    color: var(--color-gray-700);
    font-size: 1rem;
    line-height: 1.75;
}
.article-body ul, .article-body ol {
    margin: var(--spacing-2) 0 var(--spacing-3) var(--spacing-4);
}
.article-body li {
    margin-bottom: 0.5rem;
    color: var(--color-gray-700);
    line-height: 1.65;
}
.article-body strong { color: var(--color-gray-900); font-weight: 600; }
.article-body a { color: var(--color-blue); text-decoration: none; border-bottom: 1px dashed var(--color-blue); transition: color var(--transition-fast); }
.article-body a:hover { color: var(--color-blue-light); }

/* Callout */
.callout {
    background: #EEF4F9;
    border-left: 4px solid var(--color-blue);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--spacing-3) var(--spacing-4);
    margin: var(--spacing-4) 0;
}
.callout p { margin: 0; color: var(--color-blue-dark); font-size: 0.95rem; }

/* Table */
.article-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-4) 0;
    font-size: 0.875rem;
    font-family: var(--font-text);
}
.article-table th {
    background: var(--color-blue);
    color: white;
    padding: 0.65rem 1rem;
    text-align: left;
    font-weight: 600;
}
.article-table td { padding: 0.65rem 1rem; border-bottom: 1px solid var(--color-gray-200); }
.article-table tr:nth-child(even) td { background: var(--color-gray-50); }

/* CTA box - cohérente avec la charte (carte blanche + filet dégradé) */
.cta-box {
    position: relative;
    overflow: hidden;
    background: var(--color-white);
    border: 0.5px solid var(--color-gray-200);
    color: var(--color-gray-900);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-6);
    text-align: center;
    margin: var(--spacing-8) 0;
    box-shadow: var(--shadow-md);
}
.cta-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-blue), var(--color-accent-warm));
}
.cta-box h3 {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 2.5vw, 1.6rem);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
    letter-spacing: -0.02em;
}
.cta-box p {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-4);
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}
.cta-box a {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--color-cta-blue);
    color: #fff;
    padding: 0.75rem 1.8rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9rem;
    font-family: var(--font-text);
    text-decoration: none;
    border: none;
    box-shadow: 0 2px 8px rgba(41, 45, 104, 0.25);
    transition: all var(--transition-base);
}
.cta-box a:hover {
    background: var(--color-cta-blue-light);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(41, 45, 104, 0.3);
    border: none;
}

/* Author box */
.author-box {
    display: flex;
    gap: var(--spacing-3);
    align-items: flex-start;
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-4);
    margin: var(--spacing-6) 0;
}
.author-box img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.author-box h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.2rem;
}
.author-box p { font-size: 0.85rem; color: var(--color-gray-600); margin: 0; }

/* BLOG INDEX GRID */
.blog-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-3);
  align-items: stretch;
}
.blog-card {
  background: white; border-radius: var(--radius-xl);
  border: 0.5px solid var(--color-gray-200);
  box-shadow: 0 4px 16px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.03), inset 0 1px 0 rgba(255,255,255,0.8);
  padding: var(--spacing-4);
  transition: all var(--transition-base);
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
}
.blog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-accent-warm));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}
.blog-card:hover::before { transform: scaleX(1); }
.blog-card:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.1), 0 4px 16px rgba(0,0,0,0.05); transform: translateY(-4px); border-color: var(--color-gray-300); }

@media (max-width: 900px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .blog-grid { grid-template-columns: 1fr; } }
.blog-card-tag {
    display: inline-block;
    background: var(--color-gray-100);
    color: var(--color-blue);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-2);
    font-family: var(--font-text);
    width: fit-content;
}
.blog-card h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-2);
    line-height: 1.35;
    letter-spacing: -0.02em;
}
.blog-card p {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    flex: 1;
    margin-bottom: var(--spacing-3);
    font-family: var(--font-text);
    line-height: 1.6;
}
.blog-card-meta { font-size: 0.78rem; color: var(--color-gray-400); margin-bottom: var(--spacing-2); font-family: var(--font-text); }
.blog-card-link { font-size: 0.875rem; font-weight: 600; color: var(--color-blue); font-family: var(--font-text); text-decoration: none; }
.blog-card-link:hover { color: var(--color-blue-light); }

@media (max-width: 768px) {
    .article-header, .article-body { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
    .breadcrumb { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
    .blog-grid-section { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
}

/* ── Ligne d'invite sous le titre ── */
.blog-intro-line {
  font-family: var(--font-text);
  color: var(--color-gray-600);
  font-size: 0.95rem;
  margin: 0 0 var(--spacing-4);
}
.ask-link {
  color: var(--color-blue);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
  font-weight: 600;
}
.ask-link:hover { color: var(--color-blue-light); }

/* ── Filtres catégories ── */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: var(--spacing-5);
}
.blog-filter {
  font-family: var(--font-text);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-blue-dark);
  background: var(--color-white);
  border: 0.5px solid var(--color-gray-200);
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}
.blog-filter:hover { border-color: var(--color-cta-blue); color: var(--color-cta-blue); }
.blog-filter.active {
  background: var(--color-cta-blue);
  border-color: var(--color-cta-blue);
  color: #fff;
}
.blog-card.is-hidden { display: none; }

/* libellé de catégorie sur la carte (texte long, pas en capitales) */
.blog-card .blog-card-tag { text-transform: none; letter-spacing: 0.01em; }

/* ── Figures (photos d'illustration des techniques) ── */
.article-figure { margin: var(--spacing-4) 0; }
.article-figure img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.article-figure figcaption {
  font-size: 0.85rem; color: var(--color-gray-500);
  margin-top: 0.5rem; text-align: center;
}
.article-figure.img-missing img { display: none; }
.article-figure.img-missing::before {
  content: "Photo à insérer";
  display: flex; align-items: center; justify-content: center;
  height: 240px;
  background: var(--color-gray-100);
  border: 2px dashed var(--color-gray-300);
  border-radius: var(--radius-lg);
  color: var(--color-gray-400);
  font-family: var(--font-text); font-size: 0.9rem;
}


/* ── Chatbot KB (page blog) ── */
.kb-chat { max-width: 900px; margin: 0 auto var(--spacing-3); }
.kb-chat-box {
  border: 0.5px solid var(--color-gray-200);
  border-radius: var(--radius-2xl);
  background: var(--color-white);
  box-shadow: 0 4px 16px rgba(0,0,0,0.05), inset 0 1px 0 rgba(255,255,255,0.8);
  padding: var(--spacing-3) var(--spacing-3) 0.6rem;
}
.kb-chat-box textarea {
  width: 100%;
  border: none;
  outline: none;
  resize: none;
  font-family: var(--font-text);
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-gray-800);
  background: transparent;
  min-height: 38px;
  max-height: 120px;
}
.kb-chat-box textarea::placeholder { font-style: italic; color: var(--color-gray-400); }
.kb-chat-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2);
  margin-top: 0.4rem;
}
.kb-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-text);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-blue);
  background: rgba(10,74,111,0.07);
  border: 0.5px solid rgba(10,74,111,0.15);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.7rem;
}
.kb-send {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: var(--radius-full);
  background: var(--color-cta-blue);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(41,45,104,0.28);
  transition: all var(--transition-base);
}
.kb-send svg { display: block; }
.kb-send:hover { background: var(--color-cta-blue-light); transform: translateY(-1px); }
.kb-send:disabled { opacity: 0.5; cursor: default; }
.kb-hint {
  margin: 0.35rem 0.2rem 0;
  font-size: 0.76rem;
  color: var(--color-gray-400);
}
.kb-messages {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  flex: 1 1 auto;
  overflow-y: auto;
  padding: var(--spacing-3);
}
.kb-msg {
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-lg);
  font-family: var(--font-text);
  font-size: 0.9rem;
  line-height: 1.55;
  white-space: pre-wrap;
  max-width: 90%;
}
.kb-msg strong { font-weight: 700; }
.kb-user { align-self: flex-end; background: var(--color-cta-blue); color: #fff; }
.kb-bot { align-self: flex-start; background: var(--color-gray-50); border: 0.5px solid var(--color-gray-200); color: var(--color-gray-800); }

/* --- Indicateur « en train de réfléchir » (points animés) --- */
.kb-typing { display: inline-flex; align-items: center; gap: 5px; padding: 0.15rem 0; }
.kb-typing span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-blue);
  opacity: 0.35;
  animation: kbBounce 1.2s infinite ease-in-out;
}
.kb-typing span:nth-child(2) { animation-delay: 0.18s; }
.kb-typing span:nth-child(3) { animation-delay: 0.36s; }
@keyframes kbBounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
  40% { transform: translateY(-4px); opacity: 1; }
}

/* --- Curseur du placeholder « machine à écrire » --- */
.kb-chat-box textarea.kb-typewriter::placeholder { opacity: 1; }

/* --- Volet latéral de conversation (style « Claude in Chrome ») --- */
.kb-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 400px;
  max-width: 92vw;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border-left: 1px solid var(--color-gray-200);
  box-shadow: -8px 0 30px rgba(0,0,0,0.08);
  transform: translateX(100%);
  transition: transform 0.34s cubic-bezier(0.4, 0, 0.2, 1);
}
.kb-panel.is-open { transform: translateX(0); }
.kb-panel[hidden] { display: none; }
.kb-panel-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2);
  padding: var(--spacing-3);
  border-bottom: 1px solid var(--color-gray-200);
}
.kb-panel-title {
  font-family: var(--font-text);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-blue);
}
.kb-panel-close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  border: none;
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-gray-500);
  cursor: pointer;
  transition: all var(--transition-base);
}
.kb-panel-close:hover { background: var(--color-gray-100); color: var(--color-gray-800); }
.kb-panel-form {
  flex: 0 0 auto;
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  border-top: 1px solid var(--color-gray-200);
}
.kb-panel-form textarea {
  flex: 1 1 auto;
  border: 0.5px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  outline: none;
  resize: none;
  font-family: var(--font-text);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--color-gray-800);
  background: var(--color-white);
  padding: 0.55rem 0.7rem;
  min-height: 40px;
  max-height: 120px;
}
.kb-panel-form textarea::placeholder { color: var(--color-gray-400); }
.kb-panel .kb-hint {
  flex: 0 0 auto;
  margin: 0;
  padding: 0 var(--spacing-3) var(--spacing-3);
}
@media (max-width: 600px) {
  .kb-panel { width: 100vw; max-width: 100vw; }
}