/* ============================================================
   HORM V2 Corporate — Blue & Gold
   Design : charte howto.md × principes apple-design
   (feedback instantané, chrome translucide, transitions
   amorties, typographie calibrée, reduced-motion respecté)
   ============================================================ */
:root {
  --bg-primary: #0A111E;
  --bg-secondary: #121E31;
  --bg-tertiary: #1A2942;
  --steel-dark: #243552;
  --steel-light: #3A5278;
  --gold-primary: #E5A93C;
  --gold-hover: #F5BC53;
  --gold-glow: rgba(229, 169, 60, 0.25);
  --text-main: #F0F4F8;
  --text-muted: #8A9CB7;
  --border-color: #263852;
  --danger: #E5604F;
  --ok: #4ADE80;
  /* Encre dorée pour textes/liens (contraste adapté au thème) */
  --gold-ink: #F5BC53;
  /* Bleu robot vif (mot HORM du hero) — lisible sur les 2 thèmes */
  --hero-blue: #1F88C7;
  /* Bleu d'action (CTA, curseurs, pastille enclave) + survol */
  --cta: #1F88C7;
  --cta-hover: #2FA4DE;
  --cta-glow: rgba(31, 136, 199, 0.35);
  --spring: cubic-bezier(0.32, 0.72, 0, 1);
  --font-brand: "Montserrat", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-code: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

html.dark { color-scheme: dark; }

/* ---------- Thème clair ---------- */
html.light {
  --bg-primary: #EDF1F7;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #E1E8F2;
  --steel-dark: #C7D3E3;
  --steel-light: #3A5278;
  --gold-ink: #8A5A0B;
  --text-main: #0D1B30;
  --text-muted: #5C6E89;
  --border-color: #D0D9E6;
  color-scheme: light;
}
html.light #topbar { background: rgba(237, 241, 247, 0.8); }
html.light #composer-zone { background: rgba(237, 241, 247, 0.84); }
html.light .secure-badge { background: rgba(255, 255, 255, 0.65); }
html.light .msg.user .avatar { color: #fff; }
html.light .codeblock header button:hover { color: #0A111E; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(229, 169, 60, 0.35); }

/* Fond constellation global (canvas fixe, 0 coût serveur : 100 % navigateur).
   Panneaux translucides, bulles et cards opaques pour la lisibilité. */
#bg-stars { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
#app { display: flex; height: 100dvh; overflow: hidden; position: relative; z-index: 1; }
body { background: transparent; }
#app #sidebar { background: rgba(10, 17, 30, 0.88); }
#app #scroll-zone { background: rgba(10, 17, 30, 0.55); }
html.light #app #sidebar { background: rgba(237, 241, 247, 0.9); }
html.light #app #scroll-zone { background: rgba(237, 241, 247, 0.6); }

/* ------------------------- Sidebar ------------------------- */
#sidebar {
  position: relative;
  width: 290px; flex-shrink: 0;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-color);
  display: flex; flex-direction: column;
  overflow: visible;
  z-index: 40;
  transition: margin-left 300ms var(--spring);
}
/* Défilement interne : le bouton à cheval déborde sans être rogné */
.side-scroll {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column; gap: 10px;
  overflow-y: auto; overflow-x: hidden;
  padding: 18px 14px 12px;
}
/* Panneau réduit : sortie symétrique vers la gauche */
body.nav-collapsed #sidebar { margin-left: -290px; }
/* Bouton unique afficher/réduire : même taille, même bleu, même hauteur,
   chevron inversé. Réduire = à cheval sur la ligne de séparation. */
#btn-expand, #btn-collapse {
  z-index: 25;
  background: var(--cta); color: #fff; border: none;
  padding: 16px 7px; font-size: 15px; line-height: 1; cursor: pointer;
  box-shadow: 4px 0 16px rgba(0, 0, 0, 0.35);
  transition: opacity 200ms ease, visibility 200ms ease, transform 100ms ease-out,
    padding 200ms var(--spring), background 150ms ease;
}
#btn-expand {
  position: fixed; left: 0; top: 50%; translate: 0 -50%;
  border-radius: 0 12px 12px 0;
}
#btn-expand:hover { padding-right: 11px; background: var(--cta-hover); }
#btn-collapse {
  position: absolute; right: -12px; top: 50%; translate: 0 -50%;
  border-radius: 12px;
}
#btn-collapse:hover { background: var(--cta-hover); }
#btn-expand:active, #btn-collapse:active { transform: scale(0.94); }
/* Un seul visible selon l'état (fondu + glisse avec le panneau) */
body:not(.nav-collapsed) #btn-expand,
body.nav-collapsed #btn-collapse {
  opacity: 0; visibility: hidden; pointer-events: none;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 2px 6px 10px; }
.brand-logo {
  width: 46px; height: 46px; object-fit: contain;
  background: transparent; border: none; border-radius: 0;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.45));
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-brand); font-weight: 800; letter-spacing: 0.14em; font-size: 17px; }

.btn-primary {
  background: var(--cta); color: #fff;
  border: none; border-radius: 12px;
  font-family: var(--font-brand); font-weight: 700; font-size: 14px;
  padding: 11px 14px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  transition: background 150ms ease, box-shadow 150ms ease, transform 100ms ease-out;
}
/* apple-design : feedback sur l'appui, pas au relâchement */
.btn-primary:hover { background: var(--cta-hover); box-shadow: 0 0 12px var(--cta-glow); }
.btn-primary:active { transform: scale(0.97); }
.btn-primary:focus-visible, .icon-btn:focus-visible, .sugg:focus-visible,
button:focus-visible, select:focus-visible, textarea:focus-visible, input:focus-visible {
  outline: 2px solid var(--gold-primary); outline-offset: 2px;
}

.side-label {
  font-family: var(--font-brand); font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-muted); padding: 10px 8px 2px;
}
#conv-list { display: flex; flex-direction: column; gap: 4px; }
.conv {
  display: flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid transparent; border-radius: 10px;
  color: var(--text-main); font-size: 13.5px; text-align: left;
  padding: 9px 10px; cursor: pointer; width: 100%;
  transition: background 150ms ease, transform 100ms ease-out;
}
.conv:active { transform: scale(0.98); }
.conv:hover { background: var(--bg-secondary); }
.conv.active { background: var(--bg-tertiary); border-color: var(--border-color); }
.conv.active::before { content: ""; width: 3px; align-self: stretch; border-radius: 2px; background: var(--gold-primary); }
.conv .t { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv .x { opacity: 0; color: var(--text-muted); background: none; border: none; cursor: pointer; font-size: 14px; padding: 0 2px; }
.conv:hover .x, .conv.active .x { opacity: 0.8; }
.conv .x:hover { color: var(--danger); }
.conv-empty { color: var(--text-muted); font-size: 13px; padding: 6px 10px; }

.settings { display: flex; flex-direction: column; gap: 10px; padding: 0 4px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-muted); }
.field b { color: var(--text-main); font-weight: 600; }
.desc { font-size: 11.5px; line-height: 1.45; color: var(--text-muted); }
.field .desc { min-height: 2.4em; display: block; }
.field .desc b { color: var(--gold-ink); }
.field select, .field textarea {
  background: var(--bg-secondary); color: var(--text-main);
  border: 1px solid var(--border-color); border-radius: 10px;
  padding: 8px 10px; font-size: 13px; font-family: inherit; width: 100%;
}
.field select:focus, .field textarea:focus { border-color: var(--gold-primary); outline: none; }
.field details summary { cursor: pointer; font-size: 13px; }
.field textarea { resize: vertical; margin-top: 6px; line-height: 1.5; }
input[type="range"] { accent-color: var(--cta); width: 100%; cursor: pointer; }

.side-foot {
  margin-top: auto; display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-muted);
  border-top: 1px solid var(--border-color); padding: 12px 6px 2px;
}
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-muted); flex-shrink: 0; }
.dot.ok { background: var(--ok); box-shadow: 0 0 8px rgba(74, 222, 128, 0.6); }
.dot.ko { background: var(--danger); box-shadow: 0 0 8px rgba(229, 96, 79, 0.6); }
.vllm-age { font-size: 11px; color: var(--text-muted); white-space: nowrap; }

/* ------------------------- Main ------------------------- */
#main { flex: 1; display: flex; flex-direction: column; min-width: 0; position: relative; }

/* Chrome translucide : le contenu défile dessous (apple-design §12) */
#topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  background: rgba(10, 17, 30, 0.72);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-mask-image: linear-gradient(to bottom, black 88%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 88%, transparent 100%);
}
#btn-menu { display: none; background: none; border: 1px solid var(--border-color); color: var(--text-main); border-radius: 10px; font-size: 17px; padding: 6px 11px; cursor: pointer; }
#btn-menu:active { transform: scale(0.95); }
.secure-badge {
  display: inline-flex; align-items: center; gap: 9px;
  color: var(--text-muted); font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  border: 1px solid var(--border-color); border-radius: 999px;
  padding: 7px 14px; background: rgba(18, 30, 49, 0.6);
}
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--cta); box-shadow: 0 0 10px var(--cta); animation: pulse 2.2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.top-actions { margin-left: auto; display: flex; gap: 8px; }
.icon-btn {
  background: var(--bg-secondary); color: var(--text-main);
  border: 1px solid var(--border-color); border-radius: 10px;
  font-size: 16px; padding: 6px 11px; cursor: pointer;
  transition: transform 100ms ease-out, border-color 150ms ease;
}
.icon-btn:hover { border-color: var(--gold-primary); }
.icon-btn:active { transform: scale(0.94); }
.icon-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

#scroll-zone { flex: 1; overflow-y: auto; scroll-behavior: smooth; position: relative; }
#messages { max-width: 860px; margin: 0 auto; padding: 26px 22px 12px; display: flex; flex-direction: column; gap: 18px; }

/* Bulles (charte howto.md §B) */
.msg { display: flex; gap: 12px; animation: rise 280ms var(--spring); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.avatar {
  width: 34px; height: 34px; flex-shrink: 0; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-brand); font-weight: 800; font-size: 15px;
}
.msg.assistant .avatar { background: var(--bg-secondary); border: 1px solid var(--gold-primary); color: var(--gold-ink); box-shadow: 0 0 10px var(--gold-glow); }
.msg.user { justify-content: flex-end; }
.msg.user .avatar { background: var(--steel-light); color: #fff; order: 2; }
.bubble { max-width: 100%; min-width: 0; border-radius: 14px; padding: 13px 16px; font-size: 15px; overflow-wrap: anywhere; }
.msg.user .bubble { background: var(--bg-tertiary); border: 1px solid var(--border-color); position: relative; }
/* Messages utilisateur longs : repliés + bouton ⇕ dans la bulle, en haut à droite */
.msg.user .bubble.clamped .md {
  max-height: 11em; overflow: hidden;
  -webkit-mask-image: linear-gradient(to bottom, black 68%, transparent 100%);
  mask-image: linear-gradient(to bottom, black 68%, transparent 100%);
}
.msg.user .bubble.expanded .md { max-height: none; -webkit-mask-image: none; mask-image: none; }
.msg.user .bubble.has-expand .md { padding-right: 30px; }
.expand-btn {
  position: absolute; top: 8px; right: 8px; z-index: 2;
  width: 24px; height: 24px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-secondary); color: var(--text-muted);
  border: 1px solid var(--border-color); border-radius: 8px;
  font-size: 13px; line-height: 1; cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease, transform 100ms ease-out;
}
.expand-btn:hover { color: var(--cta); border-color: var(--cta); }
.expand-btn:active { transform: scale(0.9); }
/* Bouton copier (double carré) en haut à droite à l'intérieur de la bulle IA */
.copy-btn {
  position: absolute; top: 8px; right: 8px; z-index: 2;
  width: 26px; height: 26px; min-width: 26px;
  background: var(--bg-secondary); color: var(--text-muted);
  border: 1px solid var(--border-color); border-radius: 8px;
  font-size: 14px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 0; cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease, transform 100ms ease-out;
}
.copy-btn:hover { color: var(--cta); border-color: var(--cta); background: var(--bg-tertiary); }
.copy-btn:active { transform: scale(0.92); }
.copy-btn:focus-visible { outline: 2px solid var(--gold-primary); outline-offset: 2px; }

/* Bouton éditer (crayon) sur les messages utilisateur */
.edit-btn {
  position: absolute; top: 8px; right: 40px; z-index: 2;
  width: 26px; height: 26px; min-width: 26px;
  background: var(--bg-secondary); color: var(--text-muted);
  border: 1px solid var(--border-color); border-radius: 8px;
  font-size: 14px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  padding: 0; cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease, background 150ms ease, transform 100ms ease-out;
}
.edit-btn:hover { color: var(--cta); border-color: var(--cta); background: var(--bg-tertiary); }
.edit-btn:active { transform: scale(0.92); }
.edit-btn:focus-visible { outline: 2px solid var(--gold-primary); outline-offset: 2px; }

/* Ajuste le padding droit de la bulle assistant pour ne pas cacher le texte sous les boutons */

/* Ajuste le padding droit de la bulle user pour le bouton éditer */
.msg.user .bubble { padding-right: 50px; }

.msg.assistant .bubble {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  flex: 1;
  position: relative;
  padding: 13px 42px 13px 16px;
}
.msg .meta { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-size: 11.5px; color: var(--text-muted); }
.msg .meta button { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 11.5px; padding: 2px 4px; border-radius: 6px; }
.msg .meta button:hover { color: var(--gold-ink); }
.msg .meta button:active { transform: scale(0.94); }

/* Curseur de streaming or/ambre (charte §B) */
.stream-cursor { display: inline-block; width: 9px; height: 1.1em; margin-left: 3px; vertical-align: text-bottom; background: var(--gold-primary); border-radius: 2px; animation: blink 0.9s steps(1) infinite; box-shadow: 0 0 8px var(--gold-glow); }
@keyframes blink { 50% { opacity: 0; } }

/* Réflexion des modèles reasoning : repliée par défaut */
.thinking { margin: 2px 0 10px; border: 1px dashed var(--border-color); border-radius: 10px; font-size: 13px; }
.thinking summary { cursor: pointer; color: var(--text-muted); padding: 7px 12px; font-size: 12.5px; }
.thinking summary:hover { color: var(--cta); }
.thinking div { padding: 0 12px 10px; color: var(--text-muted); white-space: pre-wrap; line-height: 1.55; max-height: 220px; overflow-y: auto; }
.md p { margin: 0 0 10px; } .md p:last-child { margin-bottom: 0; }
.md h1, .md h2, .md h3, .md h4 { font-family: var(--font-brand); line-height: 1.25; margin: 14px 0 8px; }
.md h1 { font-size: 1.35em; letter-spacing: -0.01em; }
.md h2 { font-size: 1.18em; letter-spacing: -0.01em; }
.md h3 { font-size: 1.05em; }
.md ul, .md ol { margin: 6px 0 12px; padding-left: 22px; }
.md li { margin: 3px 0; } .md li::marker { color: var(--gold-primary); }
.md blockquote { margin: 8px 0; padding: 8px 14px; border-left: 3px solid var(--steel-light); color: var(--text-muted); background: rgba(26, 41, 66, 0.5); border-radius: 0 8px 8px 0; }
.md a { color: var(--gold-ink); }
.md hr { border: none; border-top: 1px solid var(--border-color); margin: 14px 0; }
.md table { border-collapse: collapse; margin: 10px 0; font-size: 13.5px; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--border-color); padding: 7px 12px; text-align: left; }
.md th { background: var(--bg-tertiary); font-family: var(--font-brand); font-size: 12px; letter-spacing: 0.06em; }
.md code { font-family: var(--font-code); font-size: 0.86em; }
.md :not(pre) > code { background: rgba(229, 169, 60, 0.14); color: var(--gold-ink); padding: 2px 6px; border-radius: 6px; font-weight: 600; }
/* Blocs de code toujours sombres (lisibilité identique dans les 2 thèmes) */
.codeblock { margin: 10px 0; border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; background: #070D18; color: #E8EEF6; }
.codeblock header { display: flex; align-items: center; padding: 7px 12px; background: #1A2942; font-family: var(--font-code); font-size: 12px; color: #8A9CB7; }
.codeblock header button { margin-left: auto; background: none; border: 1px solid #3A5278; color: #8A9CB7; border-radius: 7px; font-size: 11.5px; padding: 3px 9px; cursor: pointer; }
.codeblock header button:hover { color: #0A111E; background: var(--gold-primary); border-color: var(--gold-primary); }
.codeblock pre { margin: 0; padding: 13px 15px; overflow-x: auto; line-height: 1.55; }
.tok-k { color: #F5BC53; } .tok-s { color: #9ECE8A; } .tok-c { color: #5B6B8C; font-style: italic; } .tok-n { color: #7DD3FC; } .tok-f { color: #C4B5FD; }

/* Hero */
#hero { max-width: 860px; margin: 0 auto; padding: 5vh 22px 30px; text-align: center; }
.hero-logo-wrap { display: inline-block; border-radius: 28px; padding: 14px; background: transparent; }
.hero-logo { width: 124px; height: auto; border: none; background: transparent; filter: drop-shadow(0 6px 18px rgba(0, 0, 0, 0.4)); animation: rise 400ms var(--spring); pointer-events: none; }
.auth-logo { width: 88px; height: auto; background: transparent; filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.4)); pointer-events: none; }
.brand-logo { filter: drop-shadow(0 0 8px var(--cta-glow)); transition: filter 300ms ease; }
.brand-logo:hover { animation: logoHalo 2.4s ease-in-out infinite; }
@keyframes logoHalo {
  0%, 100% { filter: drop-shadow(0 0 14px var(--cta-glow)); }
  50% { filter: drop-shadow(0 0 14px var(--cta)) drop-shadow(0 0 28px var(--cta-glow)); }
}
#hero h1 { font-family: var(--font-brand); font-weight: 800; font-size: clamp(1.7rem, 4.5vw, 2.6rem); letter-spacing: -0.02em; line-height: 1.12; margin: 20px 0 10px; }
#hero .hero-hl { color: var(--hero-blue); }
.hero-sub { color: var(--text-muted); font-size: 15.5px; line-height: 1.65; margin: 0 0 26px; }
.hero-sub b { color: var(--text-main); }
.sugg-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; text-align: left; }
.sugg {
  background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 14px;
  padding: 14px 15px; cursor: pointer; display: flex; flex-direction: column; gap: 5px;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 100ms ease-out;
}
.sugg b { font-size: 14px; } .sugg span { font-size: 12.5px; color: var(--text-muted); }
.sugg:hover { border-color: var(--gold-primary); box-shadow: 0 0 14px var(--gold-glow); }
.sugg:active { transform: scale(0.97); }

html.light .md blockquote { background: rgba(58, 82, 120, 0.09); }

#btn-follow {
  position: sticky; bottom: 14px; display: block; margin: 0 auto;
  background: var(--bg-tertiary); color: var(--text-main);
  border: 1px solid var(--gold-primary); border-radius: 999px;
  padding: 7px 16px; font-size: 13px; cursor: pointer; z-index: 15;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}
#btn-follow:active { transform: scale(0.95); }

/* Compositeur */
#composer-zone {
  padding: 10px 20px 14px;
  background: rgba(10, 17, 30, 0.78);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  backdrop-filter: blur(20px) saturate(160%);
  border-top: 1px solid var(--border-color);
}
#composer { max-width: 860px; margin: 0 auto; display: flex; gap: 10px; align-items: flex-end; }
.tool-btn {
  width: 44px; height: 44px; flex-shrink: 0; align-self: flex-end;
  background: var(--bg-secondary); color: var(--text-muted);
  border: 1px solid var(--border-color); border-radius: 50%;
  font-size: 18px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: color 150ms ease, border-color 150ms ease, transform 100ms ease-out;
}
.tool-btn:hover { color: var(--cta); border-color: var(--cta); }
.tool-btn:active { transform: scale(0.93); }
.md .w.read { color: #4A9EFF; }
#btn-mic.busy { color: #fff; background: var(--cta); border-color: var(--cta); animation: micpulse 1.1s ease-in-out infinite; }
#btn-mic.recording { color: #fff; background: #F0604D; border-color: #F0604D; box-shadow: 0 0 0 4px rgba(240, 96, 77, 0.35), 0 0 16px rgba(240, 96, 77, 0.8); animation: micpulse 1.1s ease-in-out infinite; }
@keyframes micpulse { 0%, 100% { box-shadow: 0 0 0 3px rgba(240, 96, 77, 0.35), 0 0 10px rgba(240, 96, 77, 0.6); } 50% { box-shadow: 0 0 0 7px rgba(240, 96, 77, 0.15), 0 0 20px rgba(240, 96, 77, 0.9); } }
#btn-conv.active { color: #fff; background: var(--cta); border-color: var(--cta); }
#btn-lang { font-size: 13px; font-weight: 700; }
#attach-chips { max-width: 860px; margin: 0 auto 8px; display: flex; flex-wrap: wrap; gap: 6px; }
#attach-chips:empty { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-tertiary); border: 1px solid var(--cta); border-radius: 999px;
  font-size: 12.5px; padding: 5px 8px 5px 13px; color: var(--text-main);
  animation: rise 200ms var(--spring);
}
.chip small { color: var(--text-muted); }
.chip button { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; padding: 0 2px; }
.chip button:hover { color: var(--danger); }
.msg .meta button.speaking { color: var(--cta); }
#prompt {
  flex: 1; resize: none; min-height: 96px; max-height: 50vh;
  background: var(--bg-secondary); color: var(--text-main);
  border: 1px solid var(--border-color); border-radius: 14px;
  /* Gouttière droite de 40px : le texte s'arrête avant la poignée et l'ascenseur */
  padding: 13px 40px 13px 16px; font-family: inherit; font-size: 15px; line-height: 1.55;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}
/* Poignée miroir du natif : dans la gouttière haute-droite, à gauche de
   l'ascenseur (~14px + marge) — ne recouvre ni flèche haute, ni texte. */
.prompt-wrap { position: relative; flex: 1; display: flex; min-width: 0; }
#btn-grip {
  position: absolute; top: 8px; right: 19px; z-index: 5;
  width: 16px; height: 16px; padding: 0;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: none; color: var(--text-muted); opacity: 0.75;
  cursor: ns-resize; touch-action: none;
  transition: color 150ms ease, opacity 150ms ease;
}
#btn-grip:hover { color: var(--cta); opacity: 1; }
#btn-grip:active { opacity: 1; }
#prompt:focus { outline: none; border-color: var(--cta); box-shadow: 0 0 0 3px var(--cta-glow); }
#prompt::placeholder { color: var(--text-muted); }
.btn-round { width: 48px; height: 48px; border-radius: 50%; padding: 0; flex-shrink: 0; }
.btn-round.stop { background: var(--danger); }
.btn-round.stop:hover { background: #f0785f; box-shadow: 0 0 12px rgba(229, 96, 79, 0.4); }
.hint { max-width: 860px; margin: 7px auto 0; font-size: 11.5px; color: var(--text-muted); text-align: center; letter-spacing: 0.02em; }

#toast {
  position: fixed; bottom: 96px; left: 50%; transform: translateX(-50%);
  background: var(--bg-tertiary); border: 1px solid var(--danger); color: var(--text-main);
  border-radius: 12px; padding: 11px 18px; font-size: 13.5px; z-index: 100;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5); max-width: min(90vw, 560px);
  animation: rise 220ms var(--spring);
}
#scrim { position: fixed; inset: 0; background: rgba(4, 8, 15, 0.6); z-index: 30; }

/* Responsive : sidebar en tiroir (entrée/sortie symétriques) */
@media (max-width: 860px) {
  body.nav-collapsed #sidebar { margin-left: 0; }
  #btn-expand { display: none; }
  #sidebar {
    position: fixed; top: 0; bottom: 0; left: 0;
    transform: translateX(-102%);
    transition: transform 300ms var(--spring);
    box-shadow: 24px 0 60px rgba(0, 0, 0, 0.5);
  }
  body.nav-open #sidebar { transform: none; }
  #btn-menu { display: block; }
  #messages { padding: 18px 14px 8px; }
  .secure-badge { font-size: 10.5px; padding: 6px 11px; }
}

/* Accessibilité : mouvement réduit = fondus, pas de glissés/springs */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 1ms !important; transition-duration: 1ms !important; }
  #scroll-zone { scroll-behavior: auto; }
  .msg, #toast, .hero-logo { animation: none; }
  .brand-logo:hover { animation: none; }
  .pulse { animation: none; opacity: 1; }
}
@media (prefers-contrast: more) {
  :root { --border-color: #3A5278; --text-muted: #A9BCD6; }
}

/* ------------------------- Authentification ------------------------- */
#auth-screen {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 20px; overflow-y: auto;
  background: var(--bg-primary);
}
body.locked #auth-screen {
  background: color-mix(in srgb, var(--bg-primary) 55%, transparent);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
}
body.locked #app { filter: blur(10px) saturate(0.85); pointer-events: none; user-select: none; }
.auth-card {
  width: min(450px, 100%); margin: auto;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 20px; padding: 30px 28px; text-align: center;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
  animation: rise 300ms var(--spring);
}
.auth-logo { width: 88px; height: auto; background: transparent; }
.auth-card h2 { font-family: var(--font-brand); font-weight: 800; letter-spacing: 0.14em; margin: 12px 0 4px; font-size: 22px; }
.auth-sub { color: var(--text-muted); font-size: 13.5px; margin: 0 0 18px; line-height: 1.55; }
.auth-notice {
  background: rgba(31, 136, 199, 0.12); border: 1px solid var(--cta);
  border-radius: 12px; padding: 10px 14px; font-size: 13px; margin-bottom: 16px;
}
.auth-tabs { display: flex; gap: 6px; background: var(--bg-tertiary); border-radius: 12px; padding: 4px; margin-bottom: 16px; }
.auth-tabs button {
  flex: 1; background: none; border: none; border-radius: 9px; padding: 9px;
  color: var(--text-muted); font-family: var(--font-brand); font-weight: 700; font-size: 13px; cursor: pointer;
  transition: background 150ms ease, color 150ms ease, transform 100ms ease-out;
}
.auth-tabs button:active { transform: scale(0.97); }
.auth-tabs button.on { background: var(--bg-secondary); color: var(--text-main); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25); }
.auth-card input {
  width: 100%; background: var(--bg-primary); color: var(--text-main);
  border: 1px solid var(--border-color); border-radius: 12px;
  padding: 12px 14px; font-size: 14.5px; font-family: inherit; margin-bottom: 10px;
}
.auth-card input:focus { outline: none; border-color: var(--cta); box-shadow: 0 0 0 3px var(--cta-glow); }
.btn-block { width: 100%; margin-top: 4px; }
.btn-google {
  width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px;
  background: #fff; color: #1F2937; border: 1px solid var(--border-color); border-radius: 12px;
  font-weight: 600; font-size: 14px; padding: 11px; cursor: pointer;
  transition: box-shadow 150ms ease, transform 100ms ease-out;
}
.btn-google:hover { box-shadow: 0 0 12px rgba(0, 0, 0, 0.25); }
.btn-google:active { transform: scale(0.98); }
.auth-div { display: flex; align-items: center; gap: 10px; color: var(--text-muted); font-size: 12px; margin: 14px 0; }
.auth-div::before, .auth-div::after { content: ""; flex: 1; border-top: 1px solid var(--border-color); }
.btn-ghost {
  width: 100%; background: none; border: 1px dashed var(--border-color); border-radius: 12px;
  color: var(--text-muted); font-size: 13.5px; padding: 11px; cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease, transform 100ms ease-out;
}
.btn-ghost:hover { color: var(--cta); border-color: var(--cta); }
.btn-ghost:active { transform: scale(0.98); }
.auth-fine { font-size: 11.5px; color: var(--text-muted); margin: 10px 0 0; }
.auth-err {
  margin-top: 14px; font-size: 13px; color: #F28B7D;
  background: rgba(229, 96, 79, 0.1); border: 1px solid var(--danger);
  border-radius: 10px; padding: 9px 12px;
}
.qr { width: 200px; height: 200px; border-radius: 14px; border: 1px solid var(--gold-primary); background: #fff; padding: 6px; margin: 4px 0 10px; }
.secret-row { display: flex; gap: 8px; align-items: center; justify-content: center; margin-bottom: 12px; flex-wrap: wrap; }
.secret-row code { font-family: var(--font-code); font-size: 12px; background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; padding: 7px 10px; word-break: break-all; }
.secret-row button { background: var(--bg-tertiary); color: var(--text-main); border: 1px solid var(--border-color); border-radius: 8px; font-size: 12px; padding: 7px 12px; cursor: pointer; }
.secret-row button:hover { border-color: var(--cta); color: var(--cta); }
.user-box {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--border-color); border-radius: 10px;
  padding: 8px 10px; font-size: 12.5px; color: var(--text-muted); background: var(--bg-secondary);
}
.user-box .user-email { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-box b { color: var(--cta); }
#btn-logout { background: none; border: none; color: var(--text-muted); font-size: 15px; cursor: pointer; padding: 2px 4px; border-radius: 6px; }
.skill-add { display: flex; gap: 6px; }
.skill-add input {
  flex: 1; min-width: 0; background: var(--bg-secondary); color: var(--text-main);
  border: 1px solid var(--border-color); border-radius: 10px;
  padding: 8px 10px; font-size: 12.5px; font-family: inherit;
}
.skill-add input:focus { outline: none; border-color: var(--cta); }
.skill-add button {
  background: var(--cta); color: #fff; border: none; border-radius: 10px;
  font-size: 17px; line-height: 1; padding: 0 13px; cursor: pointer;
  transition: background 150ms ease, transform 100ms ease-out;
}
.skill-add button:hover { background: var(--cta-hover); }
.skill-add button:active { transform: scale(0.93); }
#skill-list { display: flex; flex-direction: column; gap: 4px; max-height: 190px; overflow-y: auto; }
.skill-empty { color: var(--text-muted); font-size: 12.5px; padding: 2px 4px; }
.skill-row {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 10px; padding: 7px 10px; font-size: 13px;
}
.skill-row input { accent-color: var(--cta); width: 15px; height: 15px; flex-shrink: 0; cursor: pointer; }
.skill-row .t { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.skill-row.off .t { opacity: 0.45; text-decoration: line-through; }
.skill-row .x { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 14px; padding: 0 2px; }
.skill-row .x:hover { color: var(--danger); }

/* ------------------------- Mon compte ------------------------- */
#btn-account {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(31, 136, 199, 0.12); color: var(--text-main);
  border: 1px solid var(--cta); border-radius: 10px;
  font-size: 13px; font-weight: 600; padding: 7px 13px; cursor: pointer;
  transition: background 150ms ease, transform 100ms ease-out;
}
#btn-account:hover { background: rgba(31, 136, 199, 0.22); }
#btn-account:active { transform: scale(0.95); }
#account-modal {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  padding: 18px; overflow-y: auto;
  background: rgba(4, 8, 15, 0.6);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
}
.account-card {
  position: relative; width: min(480px, 100%); margin: auto;
  max-height: calc(100dvh - 40px); overflow-y: auto;
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: 20px; padding: 26px 24px; text-align: left;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  animation: rise 250ms var(--spring);
  display: flex; flex-direction: column; gap: 10px;
}
.account-card h3 { font-family: var(--font-brand); margin: 0 0 4px; font-size: 18px; letter-spacing: 0.02em; }
.acc-close {
  position: absolute; top: 12px; right: 12px;
  background: none; border: none; color: var(--text-muted);
  font-size: 22px; line-height: 1; cursor: pointer; padding: 4px 8px; border-radius: 8px;
}
.acc-close:hover { color: var(--danger); }
.acc-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 13.5px; color: var(--text-muted); }
.acc-row b { color: var(--text-main); font-weight: 600; text-align: right; overflow-wrap: anywhere; }
.acc-row .muted { color: var(--text-muted); font-weight: 400; font-size: 11.5px; }
.acc-sec {
  font-family: var(--font-brand); font-size: 11px; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted);
  border-top: 1px solid var(--border-color); padding-top: 14px; margin-top: 4px;
}
.account-card input, .account-card select, .account-card textarea {
  width: 100%; background: var(--bg-primary); color: var(--text-main);
  border: 1px solid var(--border-color); border-radius: 10px;
  padding: 10px 12px; font-size: 13.5px; font-family: inherit;
}
.account-card input:focus, .account-card select:focus, .account-card textarea:focus {
  outline: none; border-color: var(--cta); box-shadow: 0 0 0 3px var(--cta-glow);
}
.account-card textarea { resize: vertical; }
.acc-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.acc-qr-form { display: flex; gap: 8px; }
.acc-qr-form input { flex: 1; }
.acc-qr-form button { flex-shrink: 0; }
#acc-qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 8px; }

/* ============================================================
   Mobile : compositeur et zone de saisie adaptés aux petits écrans
   ============================================================ */
@media (max-width: 600px) {
  #composer-zone {
    padding: 6px 10px 10px;
    position: sticky;
    bottom: 0;
    z-index: 50;
  }
  #composer {
    gap: 8px;
    align-items: center;
  }
  .tool-btn {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  #prompt {
    min-height: 44px;
    max-height: 35vh;
    padding: 10px 36px 10px 12px;
    font-size: 14px;
  }
  .prompt-wrap { min-width: 0; }
  #btn-grip {
    top: 6px;
    right: 14px;
    width: 14px;
    height: 14px;
  }
  .btn-round {
    width: 40px;
    height: 40px;
  }
  #btn-send svg { width: 16px; height: 16px; }
  #messages { padding: 12px 10px 6px; }
  .hint { font-size: 10.5px; }
}

/* Interface d'édition d'un message utilisateur */
.edit-ta {
  font-family: inherit !important;
  font-size: 15px !important;
  line-height: 1.55 !important;
}
.edit-bar button.btn-primary {
  background: var(--cta) !important;
  color: #fff !important;
  border: none !important;
}
.edit-bar button.btn-primary:hover {
  background: var(--cta-hover) !important;
}

/* Texte brut des réponses IA (pas de formatage Markdown) */
.ai-text {
  white-space: pre-wrap;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-main);
}