/* ==========================================================================
   OPSIOM — Interface de chat (v2 « Entrelacs »)
   Palette tirée du logo : prune profond, violet, orchidée, rose métallique.
   Thème clair par défaut, thème sombre via <html data-theme="dark">.
   Typographies : Instrument Serif (marque, titres) · Geist (interface) · Geist Mono (chiffres).
   ========================================================================== */

:root {
  --pop-rgb: 176,96,154; --red-rgb: 179,52,90; --green-rgb: 47,168,120; --amber-rgb: 201,138,30; --bg-rgb: 246,241,249;
  --bg: #F6F1F9;
  --side: #EDE5F3;
  --surface: #FFFFFF;
  --ink: #20102E;
  --ink2: #5B4A6E;
  --faint: #76668B;
  --line: rgba(48, 24, 72, .13);
  --hover: rgba(72, 24, 72, .07);
  --chip: rgba(72, 24, 72, .07);
  --ubg: #301848;
  --uink: #FFFFFF;
  --pop: #B0609A;
  --gtext: linear-gradient(100deg, #B0609A 0%, #5A2A82 100%);
  --grad: linear-gradient(135deg, #CF8FBF 0%, #8A52B0 50%, #4A2070 100%);
  --shadow: 0 14px 40px -14px rgba(72, 24, 72, .30), 0 1px 0 rgba(255, 255, 255, .9) inset;
  --code: #1E1030;
  --codeInk: #EDE4F5;
  --codeNote: #A890C0;
  --green: #2FA878;
  --amber: #C98A1E;
  --red: #B3345A;
  --ring: var(--pop);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --pop-rgb: 230,169,204; --red-rgb: 240,138,165; --green-rgb: 69,217,154; --amber-rgb: 240,197,106; --bg-rgb: 15,10,23;
  --bg: #0F0A17;
  --side: #140D1E;
  --surface: #1B1228;
  --ink: #F5EFFA;
  --ink2: #BBAECB;
  --faint: #9A8CAE;
  --line: rgba(255, 255, 255, .10);
  --hover: rgba(255, 255, 255, .06);
  --chip: rgba(255, 255, 255, .07);
  --ubg: #3A2262;
  --uink: #F5EFFA;
  --pop: #E6A9CC;
  --gtext: linear-gradient(100deg, #F0B5D6 0%, #A878D0 100%);
  --shadow: 0 18px 44px -14px rgba(0, 0, 0, .65), 0 0 0 1px rgba(255, 255, 255, .04) inset;
  --code: #0A0610;
  --codeNote: #9A86B3;
  --green: #45D99A;
  --amber: #F0C56A;
  --red: #F08AA5;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Geist', system-ui, -apple-system, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}
button { font-family: inherit; color: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--pop); outline-offset: 2px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.mono { font-family: 'Geist Mono', ui-monospace, monospace; }

.app-shell { display: flex; height: 100vh; height: 100dvh; }

/* ==========================================================================
   Sidebar
   ========================================================================== */
#sidebar {
  flex: 0 0 292px;
  width: 292px;
  height: 100%;
  background: var(--side);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 14px 14px;
  min-height: 0;
}
#sidebar-backdrop { display: none; position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 35; background: rgba(20, 8, 32, .5); }

#brand-row { display: flex; align-items: center; gap: 10px; padding: 0 8px; }
#brand-mark { width: 34px; height: 34px; object-fit: contain; }
#brand-name { font-family: 'Instrument Serif', Georgia, serif; font-size: 30px; line-height: 1; letter-spacing: -.01em; flex: 1; }
#sidebar-close {
  display: none; width: 36px; height: 36px; align-items: center; justify-content: center;
  border: 0; border-radius: 10px; background: transparent; color: var(--ink2);
}
#sidebar-close:hover { background: var(--hover); }

#new-chat {
  display: flex; align-items: center; gap: 10px; height: 46px; padding: 0 14px;
  border: 0; border-radius: 14px; background: var(--ubg); color: var(--uink);
  font-size: 14.5px; font-weight: 500; box-shadow: var(--shadow);
  transition: transform .2s, filter .2s;
}
#new-chat:hover { transform: translateY(-1px); filter: brightness(1.1); }
#new-chat span { flex: 1; text-align: left; }
#new-chat kbd {
  font-family: 'Geist Mono', monospace; font-size: 11px; opacity: .7;
  border: 1px solid currentColor; border-radius: 5px; padding: 1px 5px;
}

#history-search {
  display: flex; align-items: center; gap: 9px; height: 40px; padding: 0 12px;
  border-radius: 12px; background: var(--chip); color: var(--faint);
}
#history-search input {
  flex: 1; min-width: 0; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 14px; color: var(--ink);
}
#history-search input::placeholder { color: var(--faint); opacity: 1; }
#history-search:focus-within { outline: 2px solid var(--pop); outline-offset: 2px; }

#history { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 8px; }
#history-head { display: flex; align-items: center; justify-content: space-between; padding: 0 10px; }
#history-title {
  font-family: 'Geist Mono', monospace; font-size: 10.5px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--faint);
}
#history-clear { border: 0; background: transparent; font-size: 12px; color: var(--faint); padding: 2px 4px; border-radius: 6px; }
#history-clear:hover { color: var(--red); }
#history-list {
  list-style: none; margin: 0 -4px; padding: 0 4px; flex: 0 1 auto; min-height: 0; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px; scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}
#history-empty { margin: 0; padding: 4px 10px; font-size: 13px; line-height: 1.5; color: var(--faint); }

.history-item { position: relative; display: flex; align-items: center; border-radius: 10px; }
.history-item:hover { background: var(--hover); }
.history-item.active { background: var(--hover); }
.history-open {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px; text-align: left;
  border: 0; background: transparent; padding: 9px 10px; font-size: 14px; line-height: 1.3;
  color: var(--ink2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.history-open::before {
  content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: transparent;
}
.history-item.active .history-open { color: var(--ink); font-weight: 500; }
.history-item.active .history-open::before { background: var(--pop); }
.history-delete {
  flex: none; width: 30px; height: 30px; margin-right: 4px; border: 0; border-radius: 8px;
  background: transparent; color: var(--faint); display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .15s;
}
.history-item:hover .history-delete, .history-delete:focus-visible { opacity: 1; }
.history-delete:hover { color: var(--red); background: var(--hover); }
@media (hover: none) { .history-delete { opacity: 1; } }

/* Statut */
#system-card { display: flex; flex-direction: column; gap: 4px; padding: 0 10px; font-size: 12.5px; color: var(--ink2); }
#status-line { display: flex; align-items: center; gap: 8px; }
.status-detail { display: flex; align-items: center; gap: 8px; color: var(--faint); font-size: 12px; }
.status-detail span:empty, .status-detail:has(span:empty) { display: none; }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; flex: none; }
.dot-pending { background: var(--faint); animation: pulse 1.4s infinite; }
.dot-online { background: var(--green); box-shadow: 0 0 0 3px rgba(var(--green-rgb), 0.25); }
.dot-offline { background: var(--red); box-shadow: 0 0 0 3px rgba(var(--red-rgb), 0.25); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .3; } }

/* Quota : anneau */
#quota-card {
  --pct: 0;
  display: flex; align-items: center; gap: 14px; width: 100%; text-align: left;
  padding: 12px 14px; border-radius: 16px; background: var(--surface); border: 1px solid var(--line);
  transition: border-color .2s;
}
#quota-card:hover { border-color: var(--pop); }
#quota-card:has(#quota-bar-fill.warn) { --ring: var(--amber); }
#quota-card:has(#quota-bar-fill.empty) { --ring: var(--red); }
#quota-ring {
  flex: none; width: 46px; height: 46px; border-radius: 50%;
  background: conic-gradient(var(--ring) calc(var(--pct) * 1%), var(--chip) 0);
  -webkit-mask: radial-gradient(circle, transparent 14.5px, #000 15px);
          mask: radial-gradient(circle, transparent 14.5px, #000 15px);
  transition: background .4s;
}
#quota-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
#quota-row { display: block; }
#quota-label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink2); }
#quota-count { font-family: 'Geist Mono', monospace; font-size: 15px; color: var(--ink); }
#quota-count #quota-limit { color: var(--faint); }
#quota-count #quota-limit::before { content: " / "; }
#quota-bar-track { display: none; }

/* Plan */
#plan-card {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px; padding: 0 4px; text-decoration: none; color: var(--ink2); font-size: 12.5px;
}
#plan-badge, #lab-badge {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px; border-radius: 999px;
  background: var(--chip); color: var(--ink); font-size: 12px; font-weight: 500;
}
#plan-next-hint { color: var(--pop); font-weight: 500; }
#plan-card:hover #plan-next-hint { text-decoration: underline; }

/* Détails repliables (CLI, promo, admin) */
.sidebar-details { border-radius: 10px; font-size: 13.5px; color: var(--ink2); }
.sidebar-details summary {
  list-style: none; display: flex; align-items: center; gap: 11px; padding: 8px 10px; border-radius: 10px; cursor: pointer;
}
.sidebar-details summary::-webkit-details-marker { display: none; }
.sidebar-details summary:hover { background: var(--hover); }
.sidebar-details summary::before {
  content: ""; width: 7px; height: 7px; border-right: 1.6px solid currentColor; border-bottom: 1.6px solid currentColor;
  transform: rotate(-45deg); transition: transform .2s; margin: 0 3px 0 1px; opacity: .7;
}
.sidebar-details[open] summary::before { transform: rotate(45deg); }
.cli-promo-text { margin: 4px 10px 10px; font-size: 12.5px; line-height: 1.5; color: var(--faint); }
.cli-promo-code {
  display: flex; align-items: center; gap: 8px; margin: 0 6px 8px; padding: 8px 8px 8px 12px;
  border-radius: 10px; background: var(--code); color: var(--codeInk);
}
.cli-promo-code code { flex: 1; min-width: 0; font-family: 'Geist Mono', monospace; font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cli-promo-code em { font-style: normal; color: var(--codeNote); }
.cli-copy-btn { border: 0; background: transparent; color: #C9B8DC; width: 28px; height: 28px; border-radius: 7px; font-size: 14px; }
.cli-copy-btn:hover { background: rgba(255, 255, 255, .1); }
.cli-copy-btn.copied { color: #45D99A; }
.cli-promo-link { display: block; margin: 0 10px 8px; font-size: 13px; color: var(--pop); text-decoration: none; font-weight: 500; }
.cli-promo-link:hover { text-decoration: underline; }

#account-row { display: flex; align-items: center; gap: 11px; padding: 12px 8px 0; border-top: 1px solid var(--line); }
.avatar-chip {
  width: 34px; height: 34px; border-radius: 50%; background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 14px; flex: none;
}
#account-name { flex: 1; min-width: 0; font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#logout-link { font-size: 12.5px; color: var(--faint); text-decoration: none; padding: 6px 8px; border-radius: 8px; }
#logout-link:hover { background: var(--hover); color: var(--ink); }
.version-tag { display: none; }

/* ==========================================================================
   Panneau principal
   ========================================================================== */
#main-panel { flex: 1; min-width: 0; height: 100%; display: flex; flex-direction: column; position: relative; }

#topbar { flex: none; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 16px; padding: 14px 28px; position: relative; z-index: 5; }
#topbar-left { flex: 1 1 200px; min-width: 0; display: flex; align-items: center; gap: 12px; }
#sidebar-open {
  display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 14px;
  background: var(--surface); color: var(--ink2); align-items: center; justify-content: center; flex: none;
}
#topbar-title { margin: 0; font-size: 15px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#topbar-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

/* ---- Bouton « + » : modèles (24M / 45M / 200M) et modes, dans un panneau ---- */
#plus-wrap { position: relative; }
#plus-toggle.plus-btn { width: auto; min-width: 40px; height: 40px; margin-bottom: 3px; padding: 0 12px; gap: 8px; border-radius: 20px; }   /* après .icon-btn : voir sa spécificité */
.plus-btn svg { flex: none; transition: transform .2s ease; }
.plus-btn[aria-expanded="true"] svg { transform: rotate(45deg); }
#plus-current { font-family: 'Geist Mono', monospace; font-size: 11.5px; color: var(--faint); }
#plus-current:empty { display: none; }
.plus-btn.is-mode #plus-current { color: var(--ink); }
#plus-panel {
  position: absolute; left: -4px; bottom: 68px; width: 270px; z-index: 20; padding: 12px;   /* s'ouvre vers le haut, au-dessus de la barre de saisie */
  border-radius: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 6px; animation: rise .25s cubic-bezier(.2, .8, .2, 1) both;
}
#plus-panel[hidden] { display: none; }
.plus-title { margin: 2px 6px 0; font-size: 11.5px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.plus-sep { width: 100%; height: 0; margin: 6px 0 2px; border: 0; border-top: 1px solid var(--line); }
#model-picker, #mode-picker { display: flex; flex-direction: column; gap: 2px; }
#model-picker[hidden], #mode-picker[hidden], .plus-sep[hidden], .plus-title[hidden] { display: none; }
.model-btn {
  display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; height: 40px; padding: 0 12px;
  border: 0; border-radius: 11px; background: transparent; color: var(--ink2); font-size: 13.5px; font-weight: 500; white-space: nowrap;
  transition: background .2s, color .2s;
}
.model-btn small { font-family: 'Geist Mono', monospace; font-size: 10.5px; opacity: .65; }
.model-btn:hover { background: var(--hover); color: var(--ink); }
.model-btn.active { background: var(--chip); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
.model-btn.active small { opacity: .85; }

.icon-btn {
  width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface);
  color: var(--ink2); display: flex; align-items: center; justify-content: center;
}
.icon-btn:hover { background: var(--hover); color: var(--ink); }
#theme-toggle .i-sun { display: none; }
:root[data-theme="dark"] #theme-toggle .i-sun { display: block; }
:root[data-theme="dark"] #theme-toggle .i-moon { display: none; }

#settings-wrap { position: relative; }
#settings-panel {
  position: absolute; right: 0; top: 50px; width: 320px; z-index: 20; padding: 18px;
  border-radius: 18px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 14px; animation: rise .25s cubic-bezier(.2, .8, .2, 1) both;
}
#settings-panel-title { margin: 0; font-size: 14.5px; font-weight: 600; }
#settings-panel-hint { margin: 3px 0 0; font-size: 12.5px; line-height: 1.4; color: var(--faint); }
.settings-row { display: flex; flex-direction: column; gap: 7px; }
.settings-row label { display: flex; justify-content: space-between; font-size: 13px; color: var(--ink2); }
.settings-val { font-family: 'Geist Mono', monospace; color: var(--ink); }
.settings-row input[type="range"] { width: 100%; accent-color: #9060A8; }
#settings-reset {
  align-self: flex-start; height: 34px; padding: 0 14px; border: 1px solid var(--line); border-radius: 10px;
  background: transparent; font-size: 13px; color: var(--ink2);
}
#settings-reset:hover { background: var(--hover); }

/* ---- Conversation ---- */
#conversation {
  flex: 1; min-height: 0; overflow-y: auto; position: relative;
  display: flex; flex-direction: column; gap: 32px;
  padding: 12px max(28px, calc((100% - 780px) / 2)) 40px;
  scrollbar-width: thin; scrollbar-color: var(--line) transparent;
}

.bubble { position: relative; animation: rise .45s cubic-bezier(.2, .8, .2, 1) both; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.bubble.user {
  align-self: flex-end; max-width: 78%; padding: 13px 18px; border-radius: 22px 22px 6px 22px;
  background: var(--ubg); color: var(--uink); font-size: 16px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere;
}
.bubble.user .msg-action-btn {
  position: absolute; right: 100%; top: 50%; margin: -17px 8px 0 0;
}

.bubble.assistant {
  align-self: stretch; padding-left: 50px; font-size: 16.5px; line-height: 1.7; color: var(--ink);
  display: flex; flex-wrap: wrap; align-items: center; gap: 4px 0; overflow-wrap: anywhere;
}
.bubble.assistant::before {
  content: ""; position: absolute; left: 0; top: -3px; width: 34px; height: 34px;
  background: url("../img/logo.png") center / contain no-repeat;
}
.bubble.assistant.notice::before { filter: grayscale(1) opacity(.45); }
.bubble.assistant.notice .msg-content { color: var(--ink2); font-style: italic; }
.bubble.assistant.error::before { filter: grayscale(1) opacity(.45); }
.bubble.assistant.error .msg-content { color: var(--red); }

.msg-content { flex: 0 0 100%; min-width: 0; }
.msg-content p { margin: 0 0 14px; }
.msg-content > *:last-child { margin-bottom: 0; }
.msg-content strong { font-weight: 600; }
.msg-content code {
  font-family: 'Geist Mono', monospace; font-size: .88em; background: var(--chip);
  padding: 2px 6px; border-radius: 6px;
}
.msg-content pre {
  margin: 0 0 14px; padding: 14px 16px; border-radius: 16px; background: var(--code);
  border: 1px solid var(--line); overflow-x: auto; scrollbar-width: thin;
}
.msg-content pre code { background: none; padding: 0; font-size: 13.5px; line-height: 1.75; color: var(--codeInk); }
.msg-content ul, .msg-content ol { margin: 0 0 14px; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 9px; counter-reset: li; }
.msg-content li { position: relative; padding-left: 20px; margin: 0; }
.msg-content ul > li::before {
  content: ""; position: absolute; left: 0; top: .72em; width: 7px; height: 7px; border-radius: 50%; background: var(--grad);
}
.msg-content ol > li { counter-increment: li; }
.msg-content ol > li::before {
  content: counter(li) "."; position: absolute; left: 0; top: 0; font-family: 'Geist Mono', monospace; font-size: .85em; color: var(--pop);
}

.bubble-meta { font-family: 'Geist Mono', monospace; font-size: 11.5px; color: var(--faint); margin-right: 10px; margin-top: 2px; }
.msg-action-btn {
  width: 34px; height: 34px; border: 0; border-radius: 9px; background: transparent; color: var(--faint);
  display: flex; align-items: center; justify-content: center; opacity: 0; transition: opacity .2s, background .2s;
}
.bubble:hover .msg-action-btn, .msg-action-btn:focus-visible { opacity: 1; }
.msg-action-btn:hover { background: var(--hover); color: var(--ink); }
.msg-action-btn.copied { color: var(--green); opacity: 1; }
@media (hover: none) { .msg-action-btn { opacity: 1; } }
#conversation.is-sending .msg-action-btn { pointer-events: none; opacity: 0; }

/* Réflexion : le nœud d'anneaux tourne */
.bubble.assistant.thinking { align-items: center; flex-wrap: nowrap; gap: 14px; padding-left: 0; }
.bubble.assistant.thinking::before { display: none; }
.wave {
  position: relative; flex: none; width: 34px; height: 34px; animation: spin 2.6s linear infinite;
}
.wave i, .wave::before, .wave::after {
  content: ""; position: absolute; left: 1px; right: 1px; top: 50%; height: 40%; margin-top: -20%;
  border: 1.4px solid var(--pop); border-radius: 50%; background: none;
}
.wave::before { transform: rotate(60deg); opacity: .75; }
.wave::after { transform: rotate(120deg); opacity: .5; }
.wave i { opacity: 1; }
.wave i:nth-child(n+2) { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }
.wave.wave-sm { width: 16px; height: 16px; margin: 6px 0 0 4px; flex: 0 0 auto; display: inline-block; animation-duration: 1.8s; }
.wave.wave-sm i, .wave.wave-sm::before, .wave.wave-sm::after { border-width: 1px; }
.typing-wave { flex: 0 0 100%; width: 16px; }

.think-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.think-text {
  font-size: 15.5px; animation: think-fade .4s ease-out;
  background: linear-gradient(90deg, var(--faint) 0%, var(--ink) 50%, var(--faint) 100%); background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: think-fade .4s ease-out, shimmer 2.2s linear infinite;
}
.think-meta { font-family: 'Geist Mono', monospace; font-size: 11px; color: var(--faint); }
@keyframes think-fade { from { opacity: 0; transform: translateY(3px); } to { opacity: 1; transform: none; } }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---- Accueil ---- */
#placeholder {
  margin: auto 0; display: flex; flex-direction: column; align-items: center; gap: 30px; padding: 12px 0;
}
.ph-hero { display: flex; flex-direction: column; align-items: center; gap: 18px; text-align: center; animation: rise .6s cubic-bezier(.2, .8, .2, 1) both; }
.ph-logo { width: 132px; height: 132px; object-fit: contain; filter: drop-shadow(0 22px 28px rgba(72, 24, 100, .35)); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-12px) rotate(2deg); } }
#placeholder h2 {
  margin: 0; max-width: 760px; font-family: 'Instrument Serif', Georgia, serif; font-weight: 400;
  font-size: clamp(38px, 5vw, 60px); line-height: 1.04; letter-spacing: -.02em;
}
#placeholder h2 em { font-style: italic; }
#placeholder h2 em .w {
  background: var(--gtext); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em;
}
#placeholder p { margin: 0; max-width: 480px; font-size: 17px; line-height: 1.55; color: var(--ink2); }
.ph-cards { width: 100%; max-width: 760px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.suggestion {
  display: flex; gap: 14px; text-align: left; padding: 16px 18px; border: 1px solid var(--line); border-radius: 18px;
  background: var(--surface); animation: rise .5s cubic-bezier(.2, .8, .2, 1) both;
  transition: transform .25s cubic-bezier(.2, .8, .2, 1), border-color .2s, box-shadow .25s;
}
.suggestion:nth-child(1) { animation-delay: .9s; } .suggestion:nth-child(2) { animation-delay: 1s; }
.suggestion:nth-child(3) { animation-delay: 1.1s; } .suggestion:nth-child(4) { animation-delay: 1.2s; }
.suggestion:hover { transform: translateY(-3px); border-color: var(--pop); box-shadow: var(--shadow); }
.sg-ico { flex: none; width: 38px; height: 38px; border-radius: 12px; background: var(--chip); color: var(--pop); display: flex; align-items: center; justify-content: center; }
.sg-txt { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.sg-title { font-size: 15px; font-weight: 500; }
.sg-hint { font-size: 13.5px; line-height: 1.45; color: var(--ink2); }

/* Apparition des mots (utilisé par words.js) */
.w {
  display: inline-block; opacity: 0; transform: translateY(10px); filter: blur(6px);
  animation: word-in .7s cubic-bezier(.2, .7, .2, 1) forwards; animation-delay: var(--d, 0ms);
}
@keyframes word-in { to { opacity: 1; transform: none; filter: blur(0); } }

/* ---- Bandeau quota ---- */
.flash {
  margin: 0 auto 8px; width: calc(100% - 56px); max-width: 780px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; border-radius: 14px; font-size: 13.5px; line-height: 1.4; border: 1px solid transparent;
}
.flash.error { background: rgba(var(--red-rgb), 0.1)); border-color: rgba(var(--red-rgb), 0.35); color: var(--ink); }
#quota-banner-info { border: 0; background: transparent; color: var(--pop); font-weight: 500; font-size: 13px; text-decoration: underline; white-space: nowrap; }

/* ---- Composer ---- */
#composer-wrap { flex: none; padding: 6px 28px 14px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
#composer-row {
  width: 100%; max-width: 780px; display: flex; align-items: flex-end; gap: 10px; padding: 12px 12px 12px 12px;
  border-radius: 28px; background: var(--surface); border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: border-color .2s;
}
#composer-row:focus-within { border-color: var(--pop); }
#msg-input {
  flex: 1; min-width: 0; border: 0; outline: 0; resize: none; background: transparent; font: inherit;
  font-size: 16.5px; line-height: 1.55; color: var(--ink); padding: 9px 0; max-height: 140px; overflow-y: auto;
}
#msg-input::placeholder { color: var(--faint); opacity: 1; }
#send-btn {
  flex: none; width: 46px; height: 46px; border: 0; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--grad); color: #fff; transition: transform .2s, filter .2s, opacity .2s;
}
#send-btn:hover:not(:disabled) { transform: scale(1.06); filter: brightness(1.08); }
#send-btn:disabled { background: var(--chip); color: var(--faint); cursor: not-allowed; }
.disclaimer { margin: 0; font-size: 12px; color: var(--faint); text-align: center; }

/* ---- Fenêtre quota ---- */
#quota-modal-overlay {
  position: fixed; top: 0; right: 0; bottom: 0; left: 0; z-index: 60; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: rgba(20, 8, 32, .55); backdrop-filter: blur(6px); animation: fade-in .2s both;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
#quota-modal {
  position: relative; width: min(460px, 100%); max-height: 100%; overflow-y: auto; padding: 28px; border-radius: 24px;
  background: var(--surface); border: 1px solid var(--line); box-shadow: 0 40px 90px -20px rgba(20, 8, 32, .6);
  animation: rise .3s cubic-bezier(.2, .8, .2, 1) both;
}
#quota-modal-close {
  position: absolute; top: 14px; right: 14px; width: 36px; height: 36px; border: 0; border-radius: 10px;
  background: transparent; color: var(--faint); display: flex; align-items: center; justify-content: center;
}
#quota-modal-close:hover { background: var(--hover); color: var(--ink); }
#quota-modal-icon { width: 44px; height: 44px; border-radius: 14px; background: var(--chip); color: var(--pop); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
#quota-modal-title { margin: 0 0 6px; font-family: 'Instrument Serif', Georgia, serif; font-weight: 400; font-size: 30px; letter-spacing: -.01em; }
#quota-modal-lead { margin: 0 0 20px; font-size: 14.5px; line-height: 1.55; color: var(--ink2); }
#quota-modal-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 14px; }
.quota-modal-stat { display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; border-radius: 14px; background: var(--chip); }
.quota-modal-stat span { font-size: 12px; color: var(--faint); }
.quota-modal-stat strong { font-family: 'Geist Mono', monospace; font-size: 18px; font-weight: 500; }
#quota-modal-bar-track { height: 8px; border-radius: 99px; background: var(--chip); overflow: hidden; margin-bottom: 18px; }
#quota-modal-bar-fill { height: 100%; width: 0; border-radius: 99px; background: var(--grad); transition: width .5s; }
#quota-modal-bar-fill.warn { background: var(--amber); }
#quota-modal-bar-fill.empty { background: var(--red); }
#quota-modal-list { margin: 0 0 20px; padding-left: 18px; display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; line-height: 1.5; color: var(--ink2); }
#quota-modal-list code { font-family: 'Geist Mono', monospace; font-size: .9em; background: var(--chip); padding: 1px 5px; border-radius: 5px; }
#quota-modal-cta {
  display: flex; align-items: center; justify-content: center; height: 46px; border-radius: 14px; background: var(--ubg); color: var(--uink);
  font-size: 14.5px; font-weight: 500; text-decoration: none;
}
#quota-modal-cta:hover { filter: brightness(1.1); }

/* ==========================================================================
   Mobile
   ========================================================================== */
@media (max-width: 880px) {
  #sidebar-open { display: flex; }
  #sidebar-close { display: flex; }
  #sidebar {
    position: fixed; top: 0; bottom: 0; left: 0; z-index: 40; width: min(320px, 86vw);
    box-shadow: 24px 0 60px rgba(20, 8, 32, .35); transform: translateX(-100%); transition: transform .22s ease; overflow-y: auto;
  }
  #sidebar.is-open { transform: translateX(0); }
  body.sidebar-open #sidebar-backdrop { display: block; }
  #topbar { padding: 12px 16px; }
  #topbar-controls { width: 100%; flex-wrap: nowrap; gap: 8px; }
  #plus-panel { width: min(270px, calc(100vw - 44px)); }
  #conversation { padding: 8px 16px 32px; gap: 26px; }
  #composer-wrap { padding: 6px 14px 12px; }
  .bubble.user { max-width: 86%; }
  .bubble.assistant { padding-left: 42px; font-size: 16px; }
  .bubble.assistant::before { width: 30px; height: 30px; }
  .bubble.user .msg-action-btn { display: none; }
  .ph-cards { grid-template-columns: 1fr; }
  .ph-logo { width: 96px; height: 96px; }
  #settings-panel { position: fixed; left: 16px; right: 16px; top: 120px; width: auto; }
  .flash { width: calc(100% - 28px); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .w { opacity: 1; transform: none; filter: none; }
}

/* Compte illimité : pas de « / » devant une limite vide */
#quota-count #quota-limit:empty::before { content: none; }

/* ==========================================================================
   Correctifs sidebar : plus aucun chevauchement, défilement si l'écran est court
   ========================================================================== */
#sidebar { overflow-y: auto; overflow-x: hidden; scrollbar-width: thin; scrollbar-color: var(--line) transparent; }
#sidebar > * { flex: none; }
#sidebar > #history { flex: 1 1 auto; min-height: 150px; }
#history-list { flex: 1 1 auto; min-height: 0; }
#system-card { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 3px 12px; }
#status-line, .status-detail { flex: none; }
#quota-card { padding: 10px 12px; gap: 12px; }
#quota-ring { width: 40px; height: 40px; -webkit-mask: radial-gradient(circle, transparent 12px, #000 12.5px); mask: radial-gradient(circle, transparent 12px, #000 12.5px); }

/* Badges, résumés et liens avec icônes */
#plan-badge, #lab-badge { gap: 6px; }
#plan-next-hint { display: inline-flex; align-items: center; gap: 4px; }
.sidebar-details summary { gap: 10px; }
.sidebar-details summary .ic { opacity: .8; }
.sidebar-details summary::before { order: 3; margin: 0 4px 0 auto; }
.cli-promo-link { display: inline-flex; align-items: center; gap: 6px; }
#logout-link { display: inline-flex; align-items: center; gap: 7px; }
#quota-modal-cta { gap: 8px; }
.cli-copy-btn { display: flex; align-items: center; justify-content: center; }
#history-list:empty { display: none; }

/* Modèles en cours de chargement côté serveur : sélecteur grisé, réessai automatique */
#model-picker.pending { opacity: .55; pointer-events: none; }