@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --bg: #f4f5f9;
  --sidebar-bg: #ffffff;
  --card-bg: #ffffff;
  --border: #e7e8ee;
  --text: #14141f;
  --text-muted: #6b7080;
  --accent: #6d5ef8;
  --accent-hover: #5b4de0;
  --accent-soft: #efecfe;
  --shadow-sm: 0 1px 2px rgba(20, 20, 31, 0.05);
  --shadow-md: 0 4px 16px rgba(20, 20, 31, 0.07);
  --shadow-lg: 0 12px 32px rgba(20, 20, 31, 0.12);
  --radius: 14px;
  --radius-sm: 10px;
  --sidebar-w: 264px;
}

* { box-sizing: border-box; }

body {
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { text-decoration: none; }

/* ── App shell ── */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1.25rem 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.5rem 0.5rem 1.25rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
}

.sidebar-brand .brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.sidebar-section-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0.9rem 0.6rem 0.4rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
  transition: background-color 0.15s, color 0.15s;
}

.sidebar-link i { font-size: 1rem; width: 1.1rem; text-align: center; }

.sidebar-link:hover {
  background-color: #f6f5ff;
  color: var(--text);
}

.sidebar-link.active {
  background-color: var(--accent-soft);
  color: var(--accent-hover);
  font-weight: 600;
}

.sidebar-spacer { flex: 1; }

.sidebar-file-card {
  margin-top: 1.25rem;
  padding: 0.85rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.sidebar-file-card .file-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #fdeeee;
  color: #e5484d;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sidebar-file-card .file-name {
  font-size: 0.82rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.sidebar-file-card .file-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-premium {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--accent-soft), #f8f7ff);
  border: 1px solid #e3ddff;
}

.sidebar-premium .premium-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.sidebar-premium .premium-text {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0.25rem 0 0.75rem;
}

.btn-premium {
  display: block;
  text-align: center;
  background-color: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s;
}

.btn-premium:hover { background-color: var(--accent-hover); color: #fff; }

.sidebar-credits {
  margin-top: 1.25rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--accent-soft), #f8f7ff);
  border: 1px solid #e3ddff;
}

.credits-row {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.credits-row i { color: var(--accent); font-size: 1.1rem; }
.credits-amount { font-size: 1.3rem; font-weight: 800; color: var(--text); }
.credits-label { font-size: 0.8rem; color: var(--text-muted); }

.sidebar-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.sidebar-user-avatar {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  object-fit: cover;
  flex-shrink: 0;
}
.sidebar-user-avatar-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  font-size: 0.6rem;
  font-weight: 700;
}

.link-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-decoration: underline;
  cursor: pointer;
}

.link-btn:hover { color: var(--accent); }

/* ── Home welcome cards ── */
.welcome-hero {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  margin: -0.25rem -0.25rem 2rem;
}

.welcome-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 100% at 15% 0%, rgba(109, 94, 248, 0.14), transparent 70%),
    radial-gradient(ellipse 50% 90% at 90% 10%, rgba(47, 111, 237, 0.12), transparent 70%);
}

.welcome-hero-inner { position: relative; z-index: 1; padding: 0.25rem; }

.welcome-card {
  border-radius: 20px !important;
  border: 1px solid var(--border) !important;
  padding: 1.25rem 1.4rem;
  text-align: center;
  background: #fff;
}

.welcome-card.theme-red   { background: linear-gradient(165deg, #fdedef 0%, #ffffff 60%); }
.welcome-card.theme-blue  { background: linear-gradient(165deg, #eaf3fd 0%, #ffffff 60%); }
.welcome-card.theme-green { background: linear-gradient(165deg, #e9faf0 0%, #ffffff 60%); }
.welcome-card.theme-purple{ background: linear-gradient(165deg, #f1edfe 0%, #ffffff 60%); }

.welcome-eyebrow {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 0.8rem;
}
.welcome-eyebrow.theme-red    { background: #fbdbe0; color: #d9364a; }
.welcome-eyebrow.theme-blue   { background: #dbeafe; color: #2563eb; }
.welcome-eyebrow.theme-green  { background: #d7f7e3; color: #16a34a; }
.welcome-eyebrow.theme-purple { background: var(--accent-soft); color: var(--accent); }

.welcome-icon {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  margin: 0 auto 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  box-shadow: 0 10px 20px -8px rgba(20, 20, 31, 0.3), inset 0 2px 3px rgba(255, 255, 255, 0.35);
}
.welcome-icon.theme-red    { background: linear-gradient(150deg, #ff9a9a, #e5484d); }
.welcome-icon.theme-blue   { background: linear-gradient(150deg, #8ec1ff, #2f6fed); }
.welcome-icon.theme-green  { background: linear-gradient(150deg, #7de3a8, #2ea043); }
.welcome-icon.theme-purple { background: linear-gradient(150deg, #bcaeff, var(--accent)); }

.welcome-card h4 { font-weight: 800; margin-bottom: 0.4rem; font-size: 1.05rem; }
.welcome-card .welcome-desc { color: var(--text-muted); font-size: 0.84rem; margin-bottom: 0.9rem; min-height: 2.3rem; }

.welcome-tags { display: flex; gap: 0.4rem; justify-content: center; flex-wrap: wrap; margin-bottom: 0.9rem; }
.welcome-tag {
  background: #f1f2f6;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.32rem 0.7rem;
  border-radius: 999px;
}

.welcome-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.55rem;
  border-radius: 12px;
  font-weight: 700;
  color: #fff !important;
  font-size: 0.86rem;
  transition: transform 0.15s, box-shadow 0.15s;
}
.welcome-btn.theme-red    { background: linear-gradient(135deg, #ff8585, #e5484d); }
.welcome-btn.theme-blue   { background: linear-gradient(135deg, #6ba5ff, #2f6fed); }
.welcome-btn.theme-green  { background: linear-gradient(135deg, #52dd8b, #2ea043); }
.welcome-btn.theme-purple { background: linear-gradient(135deg, #ad98ff, var(--accent)); }
.welcome-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px -8px rgba(20, 20, 31, 0.35); }

/* ── Before/after compare slider ── */
.compare-wrap {
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  min-height: 220px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: ew-resize;
  touch-action: none;
  background: var(--bg);
}

.compare-wrap.checkered {
  background-image:
    linear-gradient(45deg, #d7d9e2 25%, transparent 25%),
    linear-gradient(-45deg, #d7d9e2 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #d7d9e2 75%),
    linear-gradient(-45deg, transparent 75%, #d7d9e2 75%);
  background-size: 22px 22px;
  background-position: 0 0, 0 11px, 11px -11px, -11px 0;
}

/* Les deux images sont en position absolue et calées sur le conteneur —
   celui-ci est dimensionné en JS via aspect-ratio dès que l'image "avant"
   (disponible immédiatement) charge, plutôt que de dépendre du flux normal
   d'une image "après" qui n'arrive qu'une fois le traitement terminé. */
.compare-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.compare-overlay { clip-path: inset(0 0 0 50%); }

.compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: #fff;
  box-shadow: 0 0 0 1px rgba(20, 20, 31, 0.15), 0 2px 8px rgba(20, 20, 31, 0.25);
  transform: translateX(-50%);
  pointer-events: none;
}

.compare-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 14px rgba(20, 20, 31, 0.3);
}

.compare-tag {
  position: absolute;
  top: 0.7rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  background: rgba(20, 20, 31, 0.6);
  color: #fff;
  pointer-events: none;
}
.compare-tag-left { left: 0.7rem; }
.compare-tag-right { right: 0.7rem; }

/* ── Mobile shell ── */
.sidebar-brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.sidebar-brand-row .sidebar-brand { flex: 1; }

.sidebar-close, .mobile-topbar-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 1.15rem;
  flex-shrink: 0;
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 31, 0.45);
  z-index: 40;
}
.sidebar-backdrop.open { display: block; }

@media (max-width: 860px) {
  .mobile-topbar-toggle { display: flex; }

  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: 0 0 40px rgba(20, 20, 31, 0.2);
    width: min(var(--sidebar-w), 84vw);
  }
  .app-sidebar.open { transform: translateX(0); }

  .sidebar-close { display: flex; }

  .app-topbar {
    padding: 1rem 1.1rem;
    gap: 0.75rem;
  }
  .topbar-title { font-size: 1.15rem; }
  .topbar-subtitle { font-size: 0.82rem; }

  /* Le menu de compte doit toujours rester visible sur la même ligne que les
     actions de page — jamais poussé sur une ligne séparée ou hors écran. */
  .topbar-right { width: 100%; }
  .topbar-actions { flex: 1 1 auto; min-width: 0; }
  .topbar-actions .btn-accent,
  .topbar-actions .btn-ghost { flex: 1 1 auto; justify-content: center; }

  .app-content { padding: 1.1rem 1rem 2.5rem; }

  .page-card { width: 118px; }
  .page-card .thumb-box { height: 148px; }

  .welcome-icon { width: 72px; height: 72px; font-size: 1.9rem; }
  .welcome-card { padding: 1.5rem 1.25rem; }
}

@media (min-width: 861px) {
  .sidebar-close { display: none !important; }
}

/* Comfortable touch targets everywhere on small screens */
@media (max-width: 480px) {
  .sidebar-link { padding: 0.7rem 0.65rem; }
  .btn-ghost, .btn-accent { padding: 0.65rem 1rem; }
  .drop-zone { padding: 1.75rem 0.75rem; }
}

/* ── Main area ── */
.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg);
  position: sticky;
  top: 0;
  z-index: 5;
  flex-wrap: wrap;
}

.topbar-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}

.topbar-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin: 0.15rem 0 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.app-content {
  padding: 1.75rem 2rem 3rem;
  flex: 1;
}

/* ── Buttons ── */
.btn-ghost {
  background-color: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
  font-size: 0.86rem;
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, background-color 0.15s;
}

.btn-ghost:hover { border-color: #c9c9d6; background-color: #fafafc; color: var(--text); }

.btn-accent {
  background-color: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-sm);
  transition: background-color 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-accent:hover { background-color: var(--accent-hover); color: #fff; }
.btn-accent:disabled { opacity: 0.5; cursor: not-allowed; }

/* Bootstrap overrides to fit the light/premium system */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border) !important;
  border-radius: var(--radius) !important;
  box-shadow: var(--shadow-sm);
}

.tool-card { transition: transform 0.2s, box-shadow 0.2s; }
.tool-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md) !important; }

/* ── Pastel tool icon badges ── */
.tool-badge {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.tool-badge.badge-danger    { background: #fdeeee; color: #e5484d; }
.tool-badge.badge-primary   { background: var(--accent-soft); color: var(--accent); }
.tool-badge.badge-warning   { background: #fff4e5; color: #d9791a; }
.tool-badge.badge-info      { background: #e6f6fb; color: #1698b8; }
.tool-badge.badge-secondary { background: #f1f2f6; color: #6b7080; }
.tool-badge.badge-success   { background: #e6f7ec; color: #2ea043; }

.tool-badge.tool-badge-sm { width: 38px; height: 38px; border-radius: 10px; font-size: 1.05rem; }

/* ── Category tabs ── */
.category-tabs {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.category-tab {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}

.category-tab:hover { border-color: #c9c9d6; }

.category-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Les cartes filtrées portent aussi la classe Bootstrap "d-block" (display: block
   !important), qu'un simple style.display en JS ne peut pas contredire. Cette classe
   dédiée, chargée après bootstrap.min.css, gagne à poids d'!important égal. */
.tool-item-hidden { display: none !important; }

/* ── Carte de traitement (page de suivi d'un job) ── */
.processing-card { padding: 2rem clamp(1rem, 4vw, 2.5rem); }

.processing-orbit-wrap { display: flex; justify-content: center; margin-bottom: 1.5rem; }
.processing-orbit { position: relative; width: 120px; height: 120px; }
.orbit-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px dashed var(--accent-soft);
}
.orbit-ring-1 { animation: orbit-spin 12s linear infinite; }
.orbit-ring-2 { inset: 14px; border-color: var(--border); animation: orbit-spin 9s linear infinite reverse; }
.orbit-dot {
  position: absolute; width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  top: 50%; left: 50%; margin: -4px;
  animation: orbit-move linear infinite;
}
.orbit-dot-1 { --orbit-radius: 58px; animation-duration: 5s; }
.orbit-dot-2 { --orbit-radius: 50px; background: #06b6d4; animation-duration: 7s; animation-direction: reverse; }
.orbit-dot-3 { --orbit-radius: 54px; background: #f59e0b; width: 6px; height: 6px; animation-duration: 6s; }
@keyframes orbit-move {
  from { transform: rotate(0deg) translateX(var(--orbit-radius)); }
  to { transform: rotate(360deg) translateX(var(--orbit-radius)); }
}
.processing-file-icon {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 1.75rem; color: var(--accent);
}
@keyframes orbit-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.processing-steps {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 0.5rem;
}
.step-item { display: flex; flex-direction: column; align-items: center; text-align: center; flex: 1; min-width: 0; }
.step-icon {
  width: 34px; height: 34px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; margin-bottom: 0.5rem; border: 2px solid var(--border); color: var(--text-muted); background: #fff;
  flex-shrink: 0;
}
.step-item.done .step-icon { background: var(--accent); border-color: var(--accent); color: #fff; }
.step-item.active .step-icon { border-color: var(--accent); }
.step-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: step-pulse 1.2s ease-in-out infinite; }
@keyframes step-pulse { 0%, 100% { opacity: 0.4; transform: scale(0.85); } 50% { opacity: 1; transform: scale(1.1); } }
.step-title { font-size: 0.82rem; font-weight: 700; color: var(--text); line-height: 1.25; }
.step-item.pending .step-title { color: var(--text-muted); }
.step-sub { font-size: 0.72rem; color: var(--text-muted); margin-top: 0.1rem; }
.step-item.done .step-sub { color: #16a34a; }
.step-item.active .step-sub { color: var(--accent); }
.step-connector { flex: 0 0 auto; width: clamp(16px, 4vw, 48px); height: 2px; background: var(--border); margin-top: 17px; }
.step-item.done + .step-connector { background: var(--accent); }

@media (max-width: 560px) {
  .step-title { font-size: 0.72rem; }
  .step-sub { display: none; }
}

.tip-box {
  display: flex; gap: 0.7rem; align-items: flex-start;
  background: var(--accent-soft); border-radius: var(--radius-sm); padding: 0.9rem 1rem;
  font-size: 0.85rem; color: var(--text);
}
.tip-box i { color: var(--accent); font-size: 1.05rem; margin-top: 0.1rem; }
.tip-box strong { display: block; color: var(--accent); margin-bottom: 0.15rem; }

.security-note {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.6rem 1.1rem;
  border: 1px solid #bbf0d1; background: #f0fdf6; color: #15803d; border-radius: 999px;
  font-size: 0.82rem; max-width: 100%;
}
.security-note i { flex-shrink: 0; }
.security-note-wrap { display: flex; justify-content: center; margin-top: 1.25rem; }

/* ── Coming soon cards ── */
.tool-card.coming-soon .tool-badge { filter: saturate(0.5); opacity: 0.8; }
.tool-card.coming-soon .card-title,
.tool-card.coming-soon .card-text { opacity: 0.75; }

.soon-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #f1f2f6;
  color: var(--text-muted);
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
}

.section-label {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.btn-danger, .btn-primary, .btn-success, .btn-info, .btn-warning, .btn-secondary {
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.btn-danger    { background-color: var(--accent); border-color: var(--accent); }
.btn-danger:hover { background-color: var(--accent-hover); border-color: var(--accent-hover); }
.btn-primary   { background-color: var(--accent); border-color: var(--accent); }
.btn-primary:hover { background-color: var(--accent-hover); border-color: var(--accent-hover); }

.btn-outline-danger, .btn-outline-primary, .btn-outline-info, .btn-outline-warning,
.btn-outline-success, .btn-outline-secondary {
  border-radius: var(--radius-sm);
}

/* Drop zone */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
  background-color: #fbfbfd;
}

.drop-zone.drag-over { border-color: var(--accent); background-color: var(--accent-soft); }
.drop-zone:hover { border-color: var(--accent); }

/* Form controls */
.form-control, .form-select {
  background-color: #fff;
  border-color: var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
}

.form-control:focus, .form-select:focus {
  background-color: #fff;
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

.form-range::-webkit-slider-thumb { background-color: var(--accent); }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }

/* Progress bar */
.progress { background-color: #eceef4; border-radius: 20px; }
.progress-bar { background-color: var(--accent) !important; }

/* Badge status colors */
.badge-pending    { background-color: #9296a6; }
.badge-detecting  { background-color: #4d8dff; }
.badge-detected   { background-color: var(--accent); }
.badge-processing { background-color: #f0883e; }
.badge-done       { background-color: #2ea043; }
.badge-error      { background-color: #e5484d; }

.text-secondary { color: var(--text-muted) !important; }

/* Spinner overlay on upload */
.upload-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20, 20, 31, 0.55);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  color: white;
  font-size: 1.1rem;
}

.upload-overlay.active { display: flex; }

/* ── Page organizer — drag & drop grid ── */
.page-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.page-card {
  width: var(--thumb-w, 150px);
  background-color: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: grab;
  user-select: none;
  touch-action: none;
  transition: border-color 0.15s, box-shadow 0.15s, opacity 0.15s, transform 0.15s;
  position: relative;
}

.page-card:hover { border-color: #cfcfe0; box-shadow: var(--shadow-sm); }
.page-card.selected { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.page-card.dragging { opacity: 0.35; }

.page-card .thumb-box {
  width: 100%;
  height: var(--thumb-h, 190px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
  background-color: #f4f5f9;
}

.page-card img { max-width: 100%; max-height: 100%; transition: transform 0.15s; }

.page-card .page-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 0.4rem;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.page-card .drag-handle {
  opacity: 0;
  transition: opacity 0.15s;
  cursor: grab;
}

.page-card:hover .drag-handle { opacity: 1; }

.btn-remove-card {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background-color: #fff;
  color: #e5484d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  opacity: 0;
  transition: opacity 0.15s;
  box-shadow: var(--shadow-sm);
  z-index: 2;
}

.page-card:hover .btn-remove-card { opacity: 1; }

.file-icon-lg {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background-color: #fdeeee;
  color: #e5484d;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.page-card .check-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid #fff;
  background-color: var(--border);
  color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  transition: background-color 0.15s, color 0.15s;
  z-index: 2;
}

.page-card.selected .check-badge {
  background-color: var(--accent);
  color: #fff;
}

.page-card.selectable { cursor: pointer; }

.page-card .group-label {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  margin-top: 0.15rem;
}

/* Right-hand contextual panel */
.side-panel {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.1rem;
  box-shadow: var(--shadow-sm);
}

.side-panel + .side-panel { margin-top: 1rem; }

.side-panel h6 {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.8rem;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background-color: #fff;
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  transition: background-color 0.15s, border-color 0.15s;
}

.action-btn:hover:not(:disabled) { background-color: #f6f5ff; border-color: var(--accent); }
.action-btn:disabled { opacity: 0.45; cursor: not-allowed; }
.action-btn:last-child { margin-bottom: 0; }

.help-step {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 0.65rem;
  font-size: 0.82rem;
}

.help-step .step-num {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--accent-soft);
  color: var(--accent-hover);
  font-weight: 700;
  font-size: 0.72rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Bottom zoom bar */
.zoom-bar {
  position: sticky;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.7rem;
  margin-top: 1.5rem;
  background-color: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-md);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.zoom-bar button {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
}

.zoom-bar input[type="range"] { width: 110px; }

/* ── Metadata properties panel ── */
.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}

.meta-row:last-child { border-bottom: none; }

.meta-label {
  color: var(--text-muted);
  flex-shrink: 0;
}

.meta-value {
  font-weight: 600;
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.meta-value.is-empty { color: var(--text-muted); font-weight: 400; font-style: italic; }

/* Sélecteur de pays (paiement KPay) */
.country-picker { display: flex; gap: 0.6rem; flex-wrap: wrap; }
.country-choice { cursor: pointer; }
.country-choice input { position: absolute; opacity: 0; pointer-events: none; }
.country-choice-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.15s, background 0.15s;
}
.country-choice input:checked + .country-choice-card {
  border-color: var(--accent);
  background: rgba(109, 94, 248, 0.08);
}
.country-flag svg {
  width: 22px;
  height: 15px;
  display: block;
  border-radius: 2px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.08);
}
.country-name { font-weight: 600; font-size: 0.9rem; }
.meta-value.is-cleared { color: #e5484d; font-weight: 400; font-style: italic; }

/* ── Pages inscription / connexion ── */
.auth-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.credits-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.5rem 0.6rem 0.5rem 1rem;
  box-shadow: var(--shadow-sm);
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}
.credits-pill .badge-free {
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

.auth-benefits { display: flex; flex-direction: column; gap: 1.4rem; margin-bottom: 2rem; }
.auth-benefit { display: flex; align-items: flex-start; gap: 0.9rem; }
.auth-benefit-title { font-weight: 700; margin-bottom: 0.15rem; }
.auth-benefit-text { color: var(--text-muted); font-size: 0.88rem; line-height: 1.4; }

.auth-illustration {
  position: relative;
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--accent-soft) 0%, #f4f5f9 70%);
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.auth-illustration::before,
.auth-illustration::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(109, 94, 248, 0.18);
}
.auth-illustration::before { width: 120px; height: 120px; top: -30px; right: -20px; }
.auth-illustration::after { width: 70px; height: 70px; bottom: -15px; left: 10%; background: rgba(109, 94, 248, 0.12); }
.auth-illustration-icon {
  position: relative;
  width: 84px;
  height: 84px;
  border-radius: 20px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 16px 32px rgba(109, 94, 248, 0.35);
}

.auth-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.password-field { position: relative; }
.password-field .form-control { padding-right: 2.6rem; }
.password-toggle {
  position: absolute;
  right: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0.25rem;
  line-height: 1;
  cursor: pointer;
}
.password-toggle:hover { color: var(--text); }

.auth-submit-btn {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  border: none;
  color: #fff;
  font-weight: 700;
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  width: 100%;
  transition: opacity 0.15s;
}
.auth-submit-btn:hover { opacity: 0.92; color: #fff; }

.auth-divider { display: flex; align-items: center; gap: 0.8rem; margin: 1.25rem 0; color: var(--text-muted); font-size: 0.82rem; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.social-login-row { display: flex; gap: 0.6rem; }
.social-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--text);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  transition: border-color 0.15s;
}
.social-btn:hover { border-color: var(--accent); color: var(--text); }
.social-btn.disabled { cursor: not-allowed; opacity: 0.55; pointer-events: none; }
.social-btn-google:hover { border-color: #dadce0; background: #f8f9fa; }
.social-btn-microsoft:hover { border-color: #8c8c8c; background: #f8f9fa; }

/* ── Page profil ── */
.profile-avatar {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  flex-shrink: 0;
}
.profile-avatar-img {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  object-fit: cover;
  flex-shrink: 0;
}
.profile-avatar-sm, .profile-avatar-img-sm {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  flex-shrink: 0;
}
.profile-avatar-sm { display: flex; align-items: center; justify-content: center; font-size: 1.1rem; }
.profile-avatar-img-sm { object-fit: cover; }
.profile-stat { text-align: center; padding: 1rem 0.5rem; }
.profile-stat-value { font-size: 1.4rem; font-weight: 800; }
.profile-stat-label { color: var(--text-muted); font-size: 0.8rem; }

/* ── Fluid grids (dashboard) ──
   Remplace les grilles Bootstrap row/col-md-* (paliers fixes) par une grille CSS
   auto-fit/minmax : le nombre de colonnes s'ajuste en continu à la largeur
   disponible, y compris sur très grand écran, sans jamais retomber sur un
   conteneur étroit centré. */
.fluid-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.fluid-grid-sm {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}

/* ── Auth shell (connexion / inscription) ──
   Pages autonomes, dissociées du tableau de bord : pas de sidebar, juste un
   petit bandeau avec le logo au-dessus du contenu centré. */
.auth-page-body { background-color: var(--bg); min-height: 100vh; }

.auth-shell { min-height: 100vh; display: flex; flex-direction: column; }

.auth-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(24px, 5vw, 64px);
}
.auth-logo img { height: 32px; display: block; }

.auth-main { flex: 1; display: flex; align-items: center; padding: 1rem clamp(24px, 5vw, 64px) 4rem; }
.auth-container { width: 100%; max-width: 1200px; margin-inline: auto; }

/* ── Upload zone (dropzone + liste de fichiers) ──
   Composant partagé par tous les outils : dépose/choisis, aperçu de chaque fichier
   avant traitement (visualiser / supprimer), réorganisation par glisser-déposer
   quand l'ordre compte (fusion, images→PDF). */
.upload-zone {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: 20px;
  padding: 2.75rem 1.5rem 2.25rem;
  text-align: center;
  background: radial-gradient(circle at 20% 20%, rgba(109, 94, 248, 0.05), transparent 55%),
              radial-gradient(circle at 80% 75%, rgba(109, 94, 248, 0.05), transparent 55%),
              #fff;
  transition: border-color 0.2s, background-color 0.2s;
  cursor: pointer;
  overflow: hidden;
}
.upload-zone.drag-over { border-color: var(--accent); background-color: var(--accent-soft); }
.upload-zone input[type="file"] { display: none; }

.upload-zone-icon {
  position: relative;
  width: 84px;
  height: 84px;
  margin: 0 auto 1.1rem;
  border-radius: 20px;
  background: linear-gradient(150deg, var(--accent-soft) 0%, #fff 75%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}
.upload-zone-icon i { font-size: 2.1rem; color: var(--accent); }
.upload-zone-icon-badge {
  position: absolute;
  bottom: -6px;
  right: -6px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  box-shadow: 0 4px 10px rgba(109, 94, 248, 0.4);
}

.upload-zone-title { font-size: 1.15rem; font-weight: 800; color: var(--text); margin-bottom: 0.2rem; }
.upload-zone-or { font-size: 0.8rem; color: var(--text-muted); margin: 0.5rem 0; }

.upload-choose-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.7rem 1.4rem;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 10px 24px -8px rgba(109, 94, 248, 0.5);
  transition: opacity 0.15s;
}
.upload-choose-btn:hover { opacity: 0.92; color: #fff; }

.upload-zone-hints {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.9rem;
  margin-top: 1.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.upload-zone-hints span { display: inline-flex; align-items: center; gap: 0.35rem; }
.upload-zone-hints span:not(:last-child)::after {
  content: "•";
  margin-left: 0.9rem;
  color: var(--border);
}

/* ── Liste des fichiers ajoutés ── */
.file-list-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin: 1.75rem 0 0.9rem;
  flex-wrap: wrap;
}
.file-list-title { font-weight: 800; margin-bottom: 0.15rem; }
.file-list-subtitle { font-size: 0.82rem; color: var(--text-muted); }

.file-list { display: flex; flex-direction: column; gap: 0.6rem; }

.file-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.file-row.dragging { opacity: 0.4; }
.file-row.drag-target { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }

.file-row-handle {
  color: var(--text-muted);
  cursor: grab;
  touch-action: none;
  flex-shrink: 0;
  font-size: 1.05rem;
}
.file-row-number {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.file-row-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}
.file-row-info { flex: 1; min-width: 0; }
.file-row-name { font-weight: 600; font-size: 0.9rem; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-row-meta { font-size: 0.76rem; color: var(--text-muted); }
.file-row-status {
  flex-shrink: 0;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  background: #e6f7ec;
  color: #2ea043;
  white-space: nowrap;
}
.file-row-btn {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s;
}
.file-row-btn:hover { background: #f8f8fb; color: var(--text); }
.file-row-btn.file-row-btn-danger:hover { background: #fdeeee; color: #e5484d; border-color: #f6c9c9; }

/* ── Barre de résumé / action ── */
.upload-summary-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  background: linear-gradient(135deg, var(--accent-soft) 0%, #f4f2ff 100%);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-top: 1.1rem;
}
.upload-summary-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #fff;
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.upload-summary-text { flex: 1; min-width: 200px; }
.upload-summary-title { font-weight: 800; font-size: 0.95rem; }
.upload-summary-subtitle { font-size: 0.8rem; color: var(--text-muted); }
.upload-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.5rem;
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
  box-shadow: 0 10px 24px -8px rgba(109, 94, 248, 0.5);
  transition: opacity 0.15s;
}
.upload-submit-btn:hover { opacity: 0.92; color: #fff; }
.upload-submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Barre d'actions à droite du topbar (actions de page + menu de compte) ──
   Un seul élément, jamais scindé sur deux lignes même sur mobile, pour que
   le menu de compte reste toujours visible et cliquable. */
.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

/* ── Menu de compte (barre supérieure) ──
   Pattern reconnaissable partout : avatar cliquable en haut à droite → menu
   déroulant (profil, facturation, crédits, déconnexion). Le chevron indique
   explicitement qu'il s'agit d'un bouton qui ouvre un menu, pas juste une image. */
.account-menu-trigger {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  background: none;
  padding: 0.2rem 0.5rem 0.2rem 0.2rem;
  border-radius: 999px;
  line-height: 0;
  flex-shrink: 0;
  transition: background-color 0.15s, border-color 0.15s;
}
.account-menu-trigger:hover,
.account-menu-trigger:focus-visible {
  background-color: #fff;
  border-color: var(--border);
  outline: none;
}
.account-menu-trigger::after { display: none; }

.account-menu-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}
.account-menu-avatar-initials {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
}
.account-menu-caret {
  font-size: 0.7rem;
  color: var(--text-muted);
  transition: transform 0.2s;
}
.account-menu.show .account-menu-caret { transform: rotate(180deg); }

.account-menu-dropdown {
  min-width: 240px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 0.4rem 0;
  margin-top: 0.6rem;
}
.account-menu-dropdown .dropdown-item {
  padding: 0.5rem 1rem;
  font-size: 0.88rem;
  display: flex;
  align-items: center;
}
.account-menu-dropdown .dropdown-item:active { background-color: var(--accent-soft); color: var(--text); }

/* ── Chat avec un PDF ── */
.chat-split-row {
  display: flex;
  align-items: stretch;
  gap: 0;
}
.chat-split-pane { min-width: 0; }

.chat-split-divider {
  flex: 0 0 auto;
  width: 18px;
  margin: 0 -6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: col-resize;
  z-index: 2;
  touch-action: none;
}
.chat-split-grip {
  width: 24px;
  height: 52px;
  border-radius: 999px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  color: var(--text-muted);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}
.chat-split-divider:hover .chat-split-grip,
.chat-split-divider:active .chat-split-grip {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: scaleY(1.05);
}

@media (max-width: 991.98px) {
  .chat-split-row { flex-direction: column; gap: 0.9rem; }
  .chat-split-pane { flex-basis: auto !important; }
  .chat-split-divider { display: none; }
}

.chat-window {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
  min-height: 420px;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  background:
    radial-gradient(circle at 0% 0%, rgba(109, 94, 248, 0.055), transparent 42%),
    radial-gradient(circle at 100% 15%, rgba(109, 94, 248, 0.04), transparent 38%),
    #eef0f6;
}

.chat-bubble-row {
  display: flex;
  gap: 0.65rem;
  animation: chat-bubble-in 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}
.chat-bubble-row-user { justify-content: flex-end; }
.chat-bubble-row-assistant { justify-content: flex-start; }

@keyframes chat-bubble-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.chat-avatar {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(150deg, #8f81fb 0%, var(--accent) 48%, var(--accent-hover) 100%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  box-shadow: 0 3px 10px rgba(93, 77, 224, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.chat-bubble-col { display: flex; flex-direction: column; max-width: min(78%, 26rem); align-items: flex-start; }
.chat-bubble-row-user .chat-bubble-col { align-items: flex-end; }

.chat-bubble {
  display: inline-block;
  max-width: 100%;
  padding: 0.5rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.88rem;
  line-height: 1.4;
  letter-spacing: 0.1px;
  white-space: pre-wrap;
  text-align: left;
}
.chat-bubble-user {
  background: linear-gradient(160deg, #8477fb 0%, var(--accent) 45%, var(--accent-hover) 100%);
  color: #fff;
  border-bottom-right-radius: 0.35rem;
  box-shadow: 0 6px 18px rgba(93, 77, 224, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.chat-bubble-assistant {
  background: linear-gradient(180deg, #ffffff 0%, #fbfbfe 100%);
  color: var(--text);
  border: 1px solid rgba(20, 20, 31, 0.06);
  border-bottom-left-radius: 0.35rem;
  box-shadow: 0 1px 2px rgba(20, 20, 31, 0.04), 0 8px 22px rgba(20, 20, 31, 0.055);
}
.chat-bubble-error {
  background: #fdecec;
  color: #b42318;
  border-color: #f6d0ce;
  box-shadow: none;
}

.chat-markdown p { margin: 0 0 0.5rem; }
.chat-markdown p:last-child { margin-bottom: 0; }
.chat-markdown ul, .chat-markdown ol { margin: 0.2rem 0 0.5rem; padding-left: 1.25rem; }
.chat-markdown li { margin-bottom: 0.2rem; }
.chat-markdown li:last-child { margin-bottom: 0; }
.chat-markdown strong { font-weight: 700; }
.chat-markdown code {
  background: rgba(20, 20, 31, 0.06);
  border-radius: 4px;
  padding: 0.1rem 0.3rem;
  font-size: 0.85em;
}

.chat-bubble-meta {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.66rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
  padding: 0 0.35rem;
  opacity: 0.85;
}

.chat-sources {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  padding: 0 0.15rem;
}
.chat-sources-label { font-size: 0.72rem; color: var(--text-muted); font-weight: 500; }
.chat-source-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  border: 1px solid transparent;
  background: var(--accent-soft);
  color: var(--accent-hover);
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.7rem;
  transition: background-color 0.15s, color 0.15s, transform 0.15s;
}
.chat-source-chip::before {
  content: "\f38b"; /* bi-file-earmark-text */
  font-family: "bootstrap-icons";
  font-size: 0.68rem;
}
.chat-source-chip:disabled { opacity: 0.6; cursor: default; }
.chat-source-chip:not(:disabled):hover {
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff;
  transform: translateY(-1px);
}

.chat-disclaimer {
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0 1rem 0.9rem;
}

.chat-bubble-pending { display: flex; align-items: center; gap: 0.28rem; padding: 0.6rem 0.9rem; }
.chat-typing-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent) 0%, var(--accent-hover) 100%);
  animation: chat-typing-bounce 1.2s infinite ease-in-out;
}
.chat-typing-dot:nth-child(2) { animation-delay: 0.15s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes chat-typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.chat-input-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.1rem;
  border-top: 1px solid var(--border);
  background-color: var(--card-bg);
}
.chat-input-textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.7rem 1.2rem;
  font-size: 0.92rem;
  font-family: inherit;
  line-height: 1.3;
  color: var(--text);
  background-color: #f6f7fb;
  transition: border-color 0.15s, box-shadow 0.15s, background-color 0.15s;
}
.chat-input-textarea:focus {
  outline: none;
  border-color: var(--accent);
  background-color: var(--card-bg);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.chat-input-textarea:disabled { opacity: 0.6; }

.chat-mic-btn {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-muted);
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, color 0.15s;
}
.chat-mic-btn:hover { background: var(--accent-soft); color: var(--accent); }
.chat-mic-btn-active {
  background: var(--accent) !important;
  color: #fff !important;
  animation: chat-mic-pulse 1.4s infinite;
}
@keyframes chat-mic-pulse {
  0% { box-shadow: 0 0 0 0 rgba(109, 94, 248, 0.45); }
  70% { box-shadow: 0 0 0 9px rgba(109, 94, 248, 0); }
  100% { box-shadow: 0 0 0 0 rgba(109, 94, 248, 0); }
}

.chat-input-send {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: none;
  border-radius: 50%;
  background: linear-gradient(150deg, #8f81fb 0%, var(--accent) 48%, var(--accent-hover) 100%);
  color: #fff;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(93, 77, 224, 0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}
.chat-input-send:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(93, 77, 224, 0.42);
}
.chat-input-send:disabled { opacity: 0.5; box-shadow: none; }

.conversation-row { transition: background-color 0.15s; }
.conversation-row:hover { background-color: var(--accent-soft); }

/* ── Visualiseur PDF (panneau chat avec un PDF) ── */
.viewer-panel {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
  min-height: 420px;
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.viewer-panel-empty {
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--text-muted);
  padding: 2rem;
}
.viewer-panel-empty i { font-size: 2rem; }

.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.viewer-file-info { display: flex; align-items: center; gap: 0.6rem; min-width: 0; }
.viewer-file-info > i { font-size: 1.3rem; color: #d33; flex-shrink: 0; }
.viewer-filename { font-weight: 600; font-size: 0.88rem; color: var(--text); }
.viewer-filemeta { font-size: 0.75rem; color: var(--text-muted); }
.viewer-toolbar-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }

.viewer-icon-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
}
.viewer-icon-btn:hover { background: var(--accent-soft); color: var(--accent); }

.viewer-search-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.viewer-search-bar input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  background: var(--card-bg);
  color: var(--text);
}
.viewer-search-bar input.not-found { border-color: #d33; }

.viewer-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--border);
}
.viewer-nav-group, .viewer-zoom-group { display: flex; align-items: center; gap: 0.3rem; }
.viewer-page-indicator, .viewer-zoom-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  min-width: 3.2rem;
  text-align: center;
}

.viewer-page-area {
  flex: 1;
  min-height: 0;
  overflow: auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1.25rem;
  background: var(--bg);
  position: relative;
}
.viewer-page-area img {
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow-md);
  border-radius: 4px;
  transition: transform 0.15s;
}
.viewer-page-arrow {
  position: sticky;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-md);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.viewer-page-arrow-left { margin-right: -18px; }
.viewer-page-arrow-right { margin-left: -18px; }

.viewer-thumbs-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.75rem;
  border-top: 1px solid var(--border);
}
.viewer-thumbs-strip {
  flex: 1;
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 0.2rem;
}
.viewer-thumb {
  height: 64px;
  border-radius: 4px;
  border: 2px solid transparent;
  flex-shrink: 0;
  cursor: pointer;
  opacity: 0.7;
}
.viewer-thumb:hover { opacity: 1; }
.viewer-thumb.active { border-color: var(--accent); opacity: 1; }