/* ServorIA — design system (sombre, neutre, accent violet) */
:root {
  --bg: #0d0d10;
  --surface: #141418;
  --surface-2: #1b1b21;
  --elev: #23232b;
  --border: #2a2a33;
  --border-strong: #3a3a46;
  --text: #ececf1;
  --text-2: #a3a3ae;
  --text-3: #71717c;
  --accent: #7c6cff;
  --accent-hover: #8f81ff;
  --accent-soft: rgba(124, 108, 255, .14);
  --brand: linear-gradient(135deg, #7c6cff 0%, #22d3ee 100%);
  --danger: #f2555a;
  --danger-soft: rgba(242, 85, 90, .12);
  --ok: #34d399;
  --warn: #fbbf24;
  --r-sm: 8px;
  --r: 12px;
  --r-lg: 18px;
  --sidebar-w: 272px;
  --topbar-h: 56px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overscroll-behavior: none; background: var(--bg); color: var(--text); font: 15px/1.6 var(--font); -webkit-font-smoothing: antialiased; -webkit-text-size-adjust: 100%; }
#app { height: 100vh; height: 100dvh; }
a { color: var(--accent-hover); text-decoration: none; }
a:hover { text-decoration: underline; }
a.btn, a.btn:hover, a.icon-btn:hover, a.brand:hover, .menu a:hover, .conv > a:hover { text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ic { flex: none; display: block; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
::selection { background: rgba(124, 108, 255, .35); }
* { scrollbar-width: thin; scrollbar-color: #33333d transparent; }

/* ---------- primitives ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 0 16px; border-radius: var(--r-sm);
  border: 1px solid var(--border); background: var(--surface-2); font-weight: 500; font-size: 14px; white-space: nowrap; transition: background .15s, border-color .15s, color .15s, opacity .15s; }
.btn:hover { background: var(--elev); border-color: var(--border-strong); }
.btn-primary { background: var(--accent); border-color: transparent; color: #fff; }
.btn-primary:hover { background: var(--accent-hover); border-color: transparent; }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); border-color: transparent; color: var(--text); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: var(--danger-soft); border-color: rgba(242,85,90,.4); }
.btn-lg { min-height: 48px; font-size: 15px; border-radius: var(--r); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.icon-btn { width: 40px; height: 40px; display: inline-grid; place-items: center; border: 0; border-radius: var(--r-sm); background: transparent; color: var(--text-2); transition: background .15s, color .15s; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.input { width: 100%; height: 46px; padding: 0 14px; border-radius: var(--r); border: 1px solid var(--border); background: var(--surface); outline: none; font-size: 16px; transition: border-color .15s, box-shadow .15s; }
.input:hover { border-color: var(--border-strong); }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
select.input { appearance: none; padding-right: 36px; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23a3a3ae' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field > label { font-size: 13px; font-weight: 500; color: var(--text-2); }
.field-err { color: #ff9a9e; font-size: 13px; }
.field-err:empty { display: none; }
.badge { display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 8px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--accent-soft); color: #b9b0ff; }
.badge-muted { background: var(--surface-2); color: var(--text-2); }
.badge-danger { background: var(--danger-soft); color: #ff9a9e; }
.logo { width: 30px; height: 30px; border-radius: 9px; flex: none; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 17px; letter-spacing: -.01em; color: var(--text); }
.brand:hover { text-decoration: none; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--r); font-size: 14px; background: var(--danger-soft); border: 1px solid rgba(242,85,90,.35); color: #ffc9cb; }
.alert .ic { color: var(--danger); margin-top: 2px; }
.alert:focus { outline: none; }
.meter { height: 6px; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.meter > i { display: block; height: 100%; border-radius: inherit; background: var(--brand); transition: width .4s var(--ease); }

/* ---------- toast & modale ---------- */
.toast { position: fixed; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 100; display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; border-radius: var(--r); background: var(--elev); border: 1px solid var(--border-strong); box-shadow: 0 12px 32px rgba(0,0,0,.45); font-size: 14px; max-width: calc(100vw - 32px); animation: pop .2s var(--ease); }
.toast.err { border-color: rgba(242,85,90,.5); }
@keyframes pop { from { opacity: 0; transform: translate(-50%, 8px); } }
.modal-backdrop { position: fixed; inset: 0; z-index: 90; background: rgba(0,0,0,.6); display: grid; place-items: center; padding: 16px; animation: fade .15s; }
.modal { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; box-shadow: 0 24px 64px rgba(0,0,0,.5); animation: rise .2s var(--ease); }
.modal h3 { margin: 0 0 8px; font-size: 18px; }
.modal p { margin: 0 0 18px; color: var(--text-2); font-size: 14px; }
.modal .input { margin-bottom: 18px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
@keyframes fade { from { opacity: 0; } }
@keyframes rise { from { opacity: 0; transform: translateY(10px) scale(.98); } }

/* =====================================================================
   ACCUEIL PUBLIC (présentation + connexion)
   ===================================================================== */
.land { --wrap: 1200px; --gut: 24px; position: fixed; inset: 0; overflow-x: hidden; overflow-y: auto; -webkit-overflow-scrolling: touch; overscroll-behavior: contain; isolation: isolate; }
.land-bg { position: fixed; inset: 0; z-index: -1; background: var(--bg); overflow: hidden; pointer-events: none; }
.land-bg::before, .land-bg::after { content: ""; position: absolute; border-radius: 50%; filter: blur(90px); opacity: .32; }
.land-bg::before { width: 70vmax; height: 70vmax; left: -30vmax; top: -38vmax; background: radial-gradient(circle, #5b4bff, transparent 65%); }
.land-bg::after { width: 60vmax; height: 60vmax; right: -30vmax; top: 10vh; background: radial-gradient(circle, #0e7490, transparent 65%); opacity: .22; }
.land main > section, .land-foot { width: 100%; max-width: calc(var(--wrap) + 2 * var(--gut)); margin: 0 auto; padding-inline: max(var(--gut), env(safe-area-inset-left)) max(var(--gut), env(safe-area-inset-right)); }

/* barre de navigation */
.land-nav { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 24px; height: calc(72px + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) max(var(--gut), calc((100% - var(--wrap)) / 2)) 0; border-bottom: 1px solid transparent; transition: background .2s, border-color .2s, backdrop-filter .2s; }
.land-nav.scrolled { background: rgba(13, 13, 16, .78); border-bottom-color: var(--border); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); }
.land-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); font-weight: 700; font-size: 23px; letter-spacing: -.02em; }
.land-brand:hover { text-decoration: none; }
.land-brand .logo { width: 42px; height: 42px; border-radius: 12px; box-shadow: 0 6px 20px rgba(91, 75, 255, .35); }
.land-links { display: none; gap: 4px; margin-left: 12px; }
.land-links a { padding: 8px 12px; border-radius: var(--r-sm); color: var(--text-2); font-size: 14.5px; font-weight: 500; transition: color .15s, background .15s; }
.land-links a:hover { color: var(--text); background: var(--surface-2); text-decoration: none; }
.land-nav-cta { margin-left: auto; display: flex; gap: 8px; }
.land-nav-cta .btn { min-height: 42px; }
.btn-outline { background: transparent; border-color: var(--border-strong); }
.btn-lg .ic { margin-right: -2px; }

/* héros */
.land-hero { display: grid; gap: 40px; padding-top: 40px; padding-bottom: 72px; align-items: start; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; height: 32px; padding: 0 14px; border-radius: 99px; background: rgba(124, 108, 255, .12); border: 1px solid rgba(124, 108, 255, .3); color: #c9c2ff; font-size: 13px; font-weight: 600; }
.eyebrow .ic { color: #22d3ee; }
.hero-copy h1 { margin: 20px 0 0; font-size: clamp(34px, 5vw, 62px); line-height: 1.05; letter-spacing: -.035em; text-wrap: balance; }
.hero-copy h1 em { font-style: normal; background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lead { margin: 20px 0 0; max-width: 34em; color: var(--text-2); font-size: clamp(16px, 1.4vw, 18px); line-height: 1.65; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-cta .btn-lg { min-height: 52px; padding: 0 22px; font-size: 15.5px; }
.hero-trust { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 22px; margin: 26px 0 0; padding: 0; color: var(--text-2); font-size: 14px; }
.hero-trust li { display: flex; align-items: center; gap: 8px; }
.hero-trust .ic { color: var(--ok); }

/* carte de connexion */
.auth-card { position: relative; width: 100%; max-width: 440px; justify-self: center; padding: 26px 22px; border-radius: 22px; background: rgba(20, 20, 24, .86);
  border: 1px solid var(--border); box-shadow: 0 32px 80px rgba(0,0,0,.45); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); scroll-margin-top: 90px; }
.auth-card::before { content: ""; position: absolute; inset: -1px; z-index: -1; border-radius: inherit; padding: 1px; background: linear-gradient(140deg, rgba(124,108,255,.55), transparent 40%, transparent 65%, rgba(34,211,238,.4));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }
.auth-card h2 { margin: 0 0 6px; font-size: 25px; line-height: 1.2; letter-spacing: -.02em; }
.auth-card .lead { margin: 0 0 22px; color: var(--text-2); font-size: 15px; }
.auth-card .lead:empty { display: none; }
.tabs { position: relative; display: grid; grid-template-columns: 1fr 1fr; padding: 4px; margin-bottom: 24px; border-radius: var(--r); background: var(--surface); border: 1px solid var(--border); }
.tabs button { position: relative; z-index: 1; height: 40px; border: 0; border-radius: 9px; background: transparent; color: var(--text-2); font-weight: 600; font-size: 14px; transition: color .2s; }
.tabs button[aria-selected="true"] { color: var(--text); }
.tabs .tabs-ind { position: absolute; z-index: 0; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); border-radius: 9px; background: var(--elev); box-shadow: 0 1px 2px rgba(0,0,0,.4), inset 0 0 0 1px var(--border-strong); transition: transform .28s var(--ease); }
.tabs[data-mode="register"] .tabs-ind { transform: translateX(100%); }
.link-btn { display: inline-flex; align-items: center; gap: 6px; padding: 4px 0; border: 0; background: none; color: var(--accent-hover); font-size: 13px; font-weight: 500; }
.link-btn:hover { color: #b3a9ff; text-decoration: underline; }
.auth-back { margin: -4px 0 14px; min-height: 32px; }
.label-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.label-row label { font-size: 13px; font-weight: 500; color: var(--text-2); }
.pw-wrap { position: relative; }
.pw-wrap .input { padding-right: 50px; }
.pw-toggle { position: absolute; right: 3px; top: 3px; width: 40px; height: 40px; display: grid; place-items: center; border: 0; border-radius: 9px; background: none; color: var(--text-3); }
.pw-toggle:hover { color: var(--text); background: var(--surface-2); }
.pw-strength { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-3); }
.pw-strength .bars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; width: 120px; }
.pw-strength .bars i { height: 4px; border-radius: 99px; background: var(--surface-2); transition: background .2s; }
.pw-strength[data-s="1"] .bars i:nth-child(-n+1) { background: var(--danger); }
.pw-strength[data-s="2"] .bars i:nth-child(-n+2) { background: var(--warn); }
.pw-strength[data-s="3"] .bars i:nth-child(-n+3) { background: #22d3ee; }
.pw-strength[data-s="4"] .bars i { background: var(--ok); }
.input[aria-invalid="true"] { border-color: var(--danger); }
/* case à cocher (inscription) */
.check { display: flex; align-items: flex-start; gap: 12px; margin: 2px 0 18px; font-size: 14px; color: var(--text-2); cursor: pointer; line-height: 1.45; }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check .box { flex: none; display: grid; place-items: center; width: 22px; height: 22px; margin-top: -1px; border-radius: 7px; border: 1.5px solid var(--border-strong); background: var(--surface); color: transparent; transition: background .15s, border-color .15s, color .15s; }
.check input:checked + .box { background: var(--accent); border-color: var(--accent); color: #fff; }
.check input:focus-visible + .box { outline: 2px solid var(--accent); outline-offset: 2px; }
.check:hover .box { border-color: var(--accent); }
.auth-card .alert { margin-bottom: 16px; }
.auth-card .btn-lg { margin-top: 6px; }
.auth-card .btn-lg .spinner { display: none; }
.auth-card .btn-lg.loading .spinner { display: block; }
.auth-card .btn-lg.loading .lbl { opacity: .7; }
.auth-legal { margin: 20px 0 0; font-size: 12px; color: var(--text-3); text-align: center; line-height: 1.5; }
.auth-done { text-align: center; padding: 4px 0 2px; }
.done-ic { display: inline-grid; place-items: center; width: 60px; height: 60px; border-radius: 18px; background: var(--accent-soft); color: #b9b0ff; }
.auth-done h3 { margin: 16px 0 6px; font-size: 19px; }
.auth-done p { margin: 0 0 22px; color: var(--text-2); font-size: 14.5px; }

/* sections */
.land-sec { padding-top: 88px; padding-bottom: 8px; scroll-margin-top: 72px; }
.sec-head { max-width: 680px; margin: 0 auto 40px; text-align: center; }
.sec-kicker { display: inline-block; margin-bottom: 10px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sec-head h2 { margin: 0; font-size: clamp(27px, 3.4vw, 40px); line-height: 1.15; letter-spacing: -.03em; text-wrap: balance; }
.sec-head p { margin: 14px 0 0; color: var(--text-2); font-size: 16px; }

/* démonstration */
.land-demo { padding-top: 24px; }
.demo-window { max-width: 940px; margin: 0 auto; border-radius: 20px; border: 1px solid var(--border-strong); background: rgba(16, 16, 20, .92); box-shadow: 0 40px 100px rgba(0,0,0,.5), 0 0 0 1px rgba(124,108,255,.08), 0 0 80px rgba(91,75,255,.12); overflow: hidden; }
.demo-bar { display: flex; align-items: center; gap: 7px; height: 42px; padding: 0 16px; border-bottom: 1px solid var(--border); background: var(--surface); }
.demo-bar i { width: 11px; height: 11px; border-radius: 50%; background: #3a3a46; }
.demo-bar i:nth-child(1) { background: #f2555a; } .demo-bar i:nth-child(2) { background: #fbbf24; } .demo-bar i:nth-child(3) { background: #34d399; }
.demo-bar span { margin: 0 auto; padding: 3px 14px; border-radius: 99px; background: var(--bg); color: var(--text-3); font-size: 12px; transform: translateX(-20px); }
.demo-body { display: flex; flex-direction: column; gap: 18px; padding: 28px; }
.demo-user { align-self: flex-end; max-width: 80%; padding: 11px 16px; border-radius: 18px 18px 4px 18px; background: var(--elev); font-size: 15px; }
.demo-ai { display: flex; gap: 12px; align-items: flex-start; }
.demo-ai .logo { width: 30px; height: 30px; border-radius: 9px; }
.demo-col { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.demo-text { margin: 4px 0 0; color: var(--text); font-size: 15px; }
.demo-text code { padding: 1px 6px; border-radius: 6px; background: var(--surface-2); font: 13px var(--mono); }
.demo-code { border-radius: var(--r); border: 1px solid var(--border); background: #0a0a0d; overflow: hidden; }
.demo-code header { display: flex; justify-content: space-between; padding: 8px 14px; font: 12px var(--mono); color: var(--text-3); border-bottom: 1px solid var(--border); background: var(--surface); }
/* 12 lignes réservées : la fenêtre ne change pas de taille pendant la frappe */
.demo-code pre { margin: 0; padding: 14px 16px; min-height: calc(12 * 1.7em + 28px); font: 13.5px/1.7 var(--mono); color: #d4d4dc; white-space: pre; overflow-x: auto; }
.demo-code pre:not(.done)::after { content: "▍"; color: #22d3ee; animation: blink 1s steps(2) infinite; }
.c-k { color: #c49cff; } .c-t { color: #7dd3fc; } .c-f { color: #fcd38d; } .c-s { color: #86efac; }
.demo-build { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: var(--r); border: 1px solid rgba(52, 211, 153, .3); background: rgba(52, 211, 153, .06);
  opacity: 0; transform: translateY(8px); transition: opacity .4s var(--ease), transform .4s var(--ease); }
.demo-window.built .demo-build { opacity: 1; transform: none; }
.demo-build > .ic { color: var(--ok); }
.demo-build b { display: block; font-size: 14px; }
.demo-build small { display: flex; align-items: center; gap: 6px; color: var(--text-2); font-size: 12.5px; }
.demo-build .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }
.demo-dl { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; border-radius: var(--r-sm); background: var(--accent); color: #fff; font-size: 13px; font-weight: 600; white-space: nowrap; }
@keyframes blink { 50% { opacity: 0; } }

/* fonctionnalités & étapes */
.feat-grid { display: grid; grid-template-columns: 1fr; gap: 14px; }
.feat, .step { position: relative; padding: 24px; border-radius: var(--r-lg); background: rgba(20, 20, 24, .7); border: 1px solid var(--border); transition: border-color .2s, transform .2s var(--ease), background .2s; }
.feat:hover { border-color: rgba(124,108,255,.45); background: rgba(24, 24, 30, .9); transform: translateY(-2px); }
.feat-ic { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, rgba(124,108,255,.22), rgba(34,211,238,.16)); color: #cfc8ff; border: 1px solid rgba(124,108,255,.25); }
.feat h3, .step h3 { margin: 16px 0 6px; font-size: 17px; letter-spacing: -.01em; }
.feat p, .step p { margin: 0; color: var(--text-2); font-size: 14.5px; line-height: 1.6; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr; gap: 14px; counter-reset: s; }
.step-n { position: absolute; top: 18px; right: 20px; font-size: 44px; font-weight: 700; line-height: 1; letter-spacing: -.04em; color: transparent; -webkit-text-stroke: 1px rgba(124,108,255,.45); }

/* offres */
.land-plans { max-width: 1040px; margin: 0 auto; }
.land-plans:empty { min-height: 420px; }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 10px; }
.faq details { border-radius: var(--r); border: 1px solid var(--border); background: rgba(20, 20, 24, .7); transition: border-color .2s; }
.faq details[open] { border-color: var(--border-strong); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 58px; padding: 14px 20px; font-weight: 600; font-size: 15.5px; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .ic { color: var(--text-3); transition: transform .25s var(--ease); }
.faq details[open] summary .ic { transform: rotate(180deg); }
.faq details p { margin: 0; padding: 0 20px 18px; color: var(--text-2); font-size: 14.5px; line-height: 1.65; }

/* appel final & pied de page */
.land-final { max-width: 1040px; margin: 0 auto; padding: 56px 24px; text-align: center; border-radius: 28px;
  background: radial-gradient(120% 140% at 50% 0%, rgba(124,108,255,.22), transparent 60%), rgba(20, 20, 24, .8); border: 1px solid rgba(124,108,255,.3); }
.land-final h2 { margin: 0; font-size: clamp(26px, 3.2vw, 38px); letter-spacing: -.03em; line-height: 1.15; text-wrap: balance; }
.land-final p { margin: 12px 0 26px; color: var(--text-2); font-size: 16px; }
.land-final .btn-lg { min-height: 52px; padding: 0 24px; }
.land-foot { display: flex; flex-direction: column; align-items: center; gap: 10px; padding-top: 56px; padding-bottom: max(40px, env(safe-area-inset-bottom)); text-align: center; color: var(--text-3); font-size: 13.5px; }
.land-foot .land-brand { font-size: 19px; }
.land-foot .land-brand .logo { width: 34px; height: 34px; border-radius: 10px; box-shadow: none; }
.land-foot p { margin: 0; line-height: 1.6; }
.land-foot a:not(.land-brand) { color: var(--text-2); }

@media (min-width: 640px) {
  .auth-card { padding: 32px; }
  .feat-grid, .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .land-links { display: flex; }
  .land-hero { grid-template-columns: minmax(0, 1fr) 420px; gap: 64px; padding-top: 64px; padding-bottom: 96px; }
  .hero-copy { padding-top: 24px; }
  .auth-card { justify-self: end; }
  .feat-grid, .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 1023px) {
  .hero-copy { text-align: center; }
  .hero-copy .hero-lead { margin-inline: auto; }
  .hero-cta, .hero-trust { justify-content: center; }
}
@media (max-width: 600px) {
  .land { --gut: 16px; }
  .land-nav { height: calc(64px + env(safe-area-inset-top)); gap: 12px; }
  .land-brand { font-size: 21px; gap: 10px; }
  .land-brand .logo { width: 38px; height: 38px; border-radius: 11px; }
  .nav-register { display: none; }
  .land-nav-cta .nav-login { border: 1px solid var(--border-strong); color: var(--text); }
  .land-hero { padding-top: 24px; gap: 32px; padding-bottom: 56px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-lg { width: 100%; }
  .hero-trust { flex-direction: column; align-items: center; gap: 8px; }
  .land-sec { padding-top: 64px; }
  .sec-head { margin-bottom: 28px; }
  .demo-body { padding: 18px 14px; gap: 14px; }
  .demo-bar span { transform: none; }
  .demo-user { max-width: 92%; font-size: 14px; }
  .demo-ai { gap: 10px; }
  .demo-ai > .logo { display: none; }   /* toute la largeur pour le code */
  .demo-text { font-size: 14px; }
  .demo-code pre { font-size: 11.5px; padding: 12px; }
  .demo-build { flex-wrap: wrap; }
  .demo-dl { margin-left: 0; width: 100%; justify-content: center; }
  .feat, .step { padding: 20px; }
  .faq summary { padding: 14px 16px; font-size: 15px; }
  .faq details p { padding: 0 16px 16px; }
  .land-final { padding: 40px 20px; border-radius: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .demo-build, .feat, .faq summary .ic, .tabs .tabs-ind { transition: none; }
}

/* réglages : profil, emails, administration */
.inline-field { display: flex; gap: 8px; }
.inline-field .input { flex: 1; min-width: 0; }
.inline-field .btn { min-height: 46px; }
.form-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 18px; }
.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 12px; cursor: pointer; }
.switch-row b { display: block; font-size: 14.5px; font-weight: 600; }
.switch-row small { display: block; margin-top: 2px; color: var(--text-3); font-size: 13px; line-height: 1.5; }
.switch { appearance: none; -webkit-appearance: none; flex: none; position: relative; width: 46px; height: 28px; margin: 0; border-radius: 99px; background: var(--elev); border: 1px solid var(--border-strong); cursor: pointer; transition: background .2s, border-color .2s; }
.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: #cfcfd8; transition: transform .2s var(--ease), background .2s; }
.switch:checked { background: var(--accent); border-color: var(--accent); }
.switch:checked::after { transform: translateX(18px); background: #fff; }
.btn-sm { min-height: 34px; padding: 0 12px; font-size: 13px; }
.badge-soft { background: rgba(34, 211, 238, .12); color: #8be9f7; }
.admin-mkt { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; margin: 0 0 16px; padding: 10px 14px; border-radius: var(--r); background: var(--surface-2); font-size: 14px; color: var(--text-2); }
.admin-mkt b { color: var(--text); }
.admin-mkt .btn { margin-left: auto; }
@media (max-width: 600px) { .inline-field { flex-direction: column; } .inline-field .input { flex: none; } .admin-mkt .btn { margin-left: 0; } }

/* =====================================================================
   APPLICATION
   ===================================================================== */
.app { display: flex; height: 100%; overflow: hidden; }

/* ---------- barre latérale ---------- */
.sidebar { width: var(--sidebar-w); flex: none; display: flex; flex-direction: column; min-height: 0; background: var(--surface); border-right: 1px solid var(--border); transition: margin-left .25s var(--ease); }
.app.collapsed .sidebar { margin-left: calc(-1 * var(--sidebar-w)); }
.sb-head { display: flex; align-items: center; justify-content: space-between; height: var(--topbar-h); padding: 0 10px 0 16px; flex: none; }
.sb-actions { padding: 4px 10px 8px; display: flex; flex-direction: column; gap: 8px; flex: none; }
a.btn { color: var(--text); text-decoration: none; }
.new-chat { justify-content: flex-start; background: transparent; border-color: var(--border); }
.new-chat:hover { background: var(--surface-2); }
.sb-search { position: relative; }
.sb-search .ic { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-3); pointer-events: none; }
.sb-search .input { height: 38px; padding-left: 36px; font-size: 14px; background: var(--bg); border-radius: var(--r-sm); }
.conv-list { flex: 1; min-height: 0; overflow-y: auto; padding: 4px 8px 12px; }
.conv-group { padding: 14px 10px 6px; font-size: 12px; font-weight: 600; color: var(--text-3); }
.conv { position: relative; display: flex; align-items: center; min-height: 38px; border-radius: var(--r-sm); color: var(--text-2); font-size: 14px; }
.conv > a { flex: 1; min-width: 0; padding: 8px 10px; color: inherit; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-decoration: none; border-radius: var(--r-sm); }
.conv + .conv { margin-top: 3px; }
.conv:hover, .conv:has(.more.menu-open) { background: var(--surface-2); color: var(--text); }
.conv.active { background: var(--elev); color: var(--text); }
.conv .more { width: 32px; height: 32px; margin-right: 3px; opacity: 0; }
.conv:hover .more, .conv.active .more, .conv .more[aria-expanded="true"] { opacity: 1; }
.conv input { flex: 1; margin: 3px; height: 32px; padding: 0 8px; border-radius: 6px; border: 1px solid var(--accent); background: var(--bg); outline: none; font-size: 14px; }
.conv-empty { padding: 24px 12px; color: var(--text-3); font-size: 13px; text-align: center; }
/* dossiers */
.folders-head { display: flex; align-items: center; justify-content: space-between; padding-top: 8px; padding-bottom: 2px; padding-right: 3px; }
.folders-head .icon-btn { width: 30px; height: 30px; color: var(--text-3); }
.folders-head .icon-btn:hover { color: var(--text); }
.folder { border-radius: var(--r-sm); transition: background .15s, box-shadow .15s; }
.folder + .folder { margin-top: 2px; }
.folder-row { display: flex; align-items: center; min-height: 38px; border-radius: var(--r-sm); }
.folder-row:hover, .folder-row:has(.more.menu-open) { background: var(--surface-2); }
.folder-toggle { flex: 1; min-width: 0; display: flex; align-items: center; gap: 8px; height: 38px; padding: 0 8px 0 6px; border: 0; background: none; color: var(--text); font-size: 14px; text-align: left; }
.folder-toggle > .ic:first-child { color: var(--text-3); transform: rotate(-90deg); transition: transform .2s var(--ease); }
.folder.open .folder-toggle > .ic:first-child { transform: none; }
.folder-toggle > .ic:nth-child(2), .folder-ic .ic { color: var(--fc); fill: color-mix(in srgb, var(--fc) 22%, transparent); }
.folder-toggle span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-toggle small { color: var(--text-3); font-size: 12px; font-variant-numeric: tabular-nums; }
.folder-row .more { width: 32px; height: 32px; margin-right: 3px; opacity: 0; }
.folder-row:hover .more, .folder-row .more[aria-expanded="true"] { opacity: 1; }
.folder-items { margin: 2px 0 4px 15px; padding-left: 8px; border-left: 1px solid color-mix(in srgb, var(--fc) 35%, var(--border)); animation: fade .2s; }
.folder-empty { margin: 0; padding: 8px 10px; font-size: 12.5px; color: var(--text-3); }
.folder.drop { background: color-mix(in srgb, var(--fc) 14%, transparent); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--fc) 60%, transparent); }
.conv.dragged { opacity: .4; }
.root-drop { display: none; margin: 8px 2px 0; padding: 10px; border: 1px dashed var(--border-strong); border-radius: var(--r-sm); font-size: 12.5px; color: var(--text-3); text-align: center; }
.conv-list.dragging.from-folder .root-drop { display: block; animation: fade .15s; }
.conv-list.dragging.from-folder:not(:has(.folder.drop)) .root-drop { border-color: var(--accent); color: var(--text-2); background: var(--accent-soft); }
@media (hover: none) { .folder-row .more { opacity: 1; } }
.menu .menu-label { padding: 4px 10px 2px; font-size: 12px; font-weight: 600; color: var(--text-3); }
.menu .menu-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder-ic { display: inline-flex; }
.swatches { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 4px; }
.swatch { width: 28px; height: 28px; padding: 0; border-radius: 50%; border: 0; background: var(--c); box-shadow: inset 0 0 0 1px rgba(255,255,255,.15); transition: transform .12s var(--ease), box-shadow .12s; }
.swatch:hover { transform: scale(1.1); }
.swatch[aria-checked="true"] { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--c); }
/* couleur personnalisée : arc-en-ciel tant qu'elle n'est pas choisie, puis la couleur elle-même */
.swatch-custom { position: relative; display: grid; place-items: center; color: #fff; cursor: pointer; }
.swatch-custom[aria-checked="false"] { background: conic-gradient(#f43f5e, #facc15, #34d399, #22d3ee, #7c6cff, #e879f9, #f43f5e); }
.swatch-custom .ic { filter: drop-shadow(0 1px 1px rgba(0,0,0,.5)); pointer-events: none; }
.swatch-custom input { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; opacity: 0; cursor: pointer; }
.sb-foot { flex: none; padding: 10px; border-top: 1px solid var(--border); padding-bottom: max(10px, env(safe-area-inset-bottom)); position: relative; }
.user-btn { width: 100%; display: flex; align-items: center; gap: 10px; padding: 8px; border: 0; border-radius: var(--r); background: transparent; text-align: left; }
.user-btn:hover, .user-btn[aria-expanded="true"] { background: var(--surface-2); }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; flex: none; background: var(--brand); color: #fff; font-weight: 700; font-size: 14px; }
.user-btn .who { flex: 1; min-width: 0; line-height: 1.3; }
.user-btn .who b { display: block; font-size: 14px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-btn .who small { color: var(--text-3); font-size: 12px; }
.menu { position: absolute; z-index: 85; min-width: 220px; padding: 6px; border-radius: var(--r); background: var(--elev); border: 1px solid var(--border-strong); box-shadow: 0 16px 40px rgba(0,0,0,.5); animation: rise .15s var(--ease); }
.menu .menu-head { padding: 8px 10px 10px; border-bottom: 1px solid var(--border); margin-bottom: 6px; font-size: 13px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; }
.menu button, .menu a { width: 100%; display: flex; align-items: center; gap: 10px; min-height: 38px; padding: 0 10px; border: 0; border-radius: var(--r-sm); background: none; color: var(--text); font-size: 14px; text-decoration: none; text-align: left; }
.menu button:hover, .menu a:hover { background: var(--surface-2); }
.menu .danger { color: var(--danger); }
.menu hr { border: 0; border-top: 1px solid var(--border); margin: 6px 0; }
.scrim { display: none; }

/* ---------- zone principale ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; min-height: 0; }
.topbar { height: var(--topbar-h); flex: none; display: flex; align-items: center; gap: 4px; padding: 0 10px; border-bottom: 1px solid transparent; }
.topbar .title { flex: 1; min-width: 0; padding: 0 6px; font-weight: 600; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar .only-collapsed, .topbar .only-mobile { display: none; }
.app.collapsed .topbar .only-collapsed { display: inline-grid; }
.view { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.page-scroll { flex: 1; min-height: 0; overflow-y: auto; }

/* ---------- conversation ---------- */
.chat { flex: 1; min-height: 0; display: flex; flex-direction: column; position: relative; }
.thread { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; scroll-behavior: smooth; }
.thread-inner { max-width: 780px; margin: 0 auto; padding: 24px 20px 32px; }
.msg { margin-bottom: 28px; animation: fade .2s; }
.msg-user { display: flex; flex-direction: column; align-items: flex-end; }
.msg-user .bubble { max-width: min(85%, 620px); padding: 10px 16px; border-radius: 20px 20px 4px 20px; background: var(--elev); white-space: pre-wrap; word-wrap: break-word; }
.msg-user .msg-actions { margin-top: 4px; }
.msg-ai { display: flex; gap: 14px; align-items: flex-start; }
.msg-ai .logo { width: 28px; height: 28px; border-radius: 8px; margin-top: 2px; }
.msg-ai .content { flex: 1; min-width: 0; position: relative; }
/* actions visibles au survol du message (ou au clavier) ; toujours visibles sur écran tactile */
.msg-actions { display: flex; gap: 2px; margin-top: 8px; opacity: 0; transition: opacity .15s; }
.msg:hover .msg-actions, .msg-actions:focus-within { opacity: 1; }
@media (hover: none) { .msg-actions { opacity: 1; } }
.msg-actions .icon-btn { width: 32px; height: 32px; color: var(--text-3); }
.msg-actions .icon-btn:hover { color: var(--text); }
/* hauteur = logo + sa marge haute (2 + 28) : le statut est centré sur l'axe du logo */
.thinking { display: flex; align-items: center; gap: 10px; min-height: 32px; color: var(--text-2); font-size: 14px; line-height: 1.3; }
.thinking .spinner-sm { flex: none; }
.thinking .shimmer { background: linear-gradient(90deg, var(--text-3) 0%, var(--text) 50%, var(--text-3) 100%); background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: shimmer 1.8s linear infinite, step-in .3s var(--ease); }
@keyframes step-in { from { opacity: 0; transform: translateX(-4px); } }
@keyframes shimmer { to { background-position: -200% 0; } }
/* curseur de rédaction : barre lumineuse qui glisse derrière le texte et « respire » sans clignoter */
.caret { position: absolute; left: 0; top: 0; width: 3px; border-radius: 3px; pointer-events: none; background: linear-gradient(180deg, #a89dff, #22d3ee); box-shadow: 0 0 10px rgba(124, 108, 255, .7), 0 0 2px rgba(34, 211, 238, .9); opacity: 0; will-change: transform; }
.caret.on { opacity: 1; transition: transform .14s var(--ease), height .14s var(--ease), opacity .2s; animation: caret-breathe 1.1s ease-in-out infinite; }
@keyframes caret-breathe { 50% { opacity: .55; box-shadow: 0 0 5px rgba(124, 108, 255, .45); } }
@media (prefers-reduced-motion: reduce) { .caret.on { transition: none; animation: none; } }

/* contenu markdown */
.md { overflow-wrap: anywhere; }
.md > :first-child { margin-top: 0; }
.md > :last-child { margin-bottom: 0; }
.md p, .md ul, .md ol { margin: 0 0 14px; }
.md li { margin: 4px 0; }
.md h1, .md h2, .md h3, .md h4 { margin: 22px 0 10px; line-height: 1.3; letter-spacing: -.01em; }
.md h1 { font-size: 21px; } .md h2 { font-size: 18px; } .md h3 { font-size: 16px; } .md h4 { font-size: 15px; }
.md :not(pre) > code { padding: 2px 6px; border-radius: 6px; background: var(--surface-2); border: 1px solid var(--border); font: .86em var(--mono); }
.md blockquote { margin: 0 0 14px; padding: 2px 14px; border-left: 3px solid var(--accent); color: var(--text-2); }
.md hr { border: 0; border-top: 1px solid var(--border); margin: 22px 0; }
.md table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; margin: 0 0 14px; font-size: 14px; }
.md th, .md td { padding: 8px 12px; border: 1px solid var(--border); text-align: left; }
.md th { background: var(--surface); font-weight: 600; }
.codeblock { margin: 0 0 16px; border-radius: var(--r); border: 1px solid var(--border); background: #0a0a0d; overflow: hidden; }
.codeblock header { display: flex; align-items: center; justify-content: space-between; height: 38px; padding: 0 6px 0 14px; background: var(--surface); border-bottom: 1px solid var(--border); font: 12px var(--mono); color: var(--text-3); }
.codeblock header button { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px; border: 0; border-radius: 6px; background: none; color: var(--text-2); font: 12px var(--font); }
.codeblock header button:hover { background: var(--surface-2); color: var(--text); }
.codeblock pre { margin: 0; padding: 14px 16px; overflow-x: auto; font: 13px/1.6 var(--mono); }
.codeblock pre code.hljs { padding: 0; background: none; }

/* saisie */
.composer-dock { flex: none; padding: 0 16px max(14px, env(safe-area-inset-bottom)); background: linear-gradient(to bottom, transparent, var(--bg) 22px); }
.composer { max-width: 780px; margin: 0 auto; }
/* bordure en dégradé (violet → cyan) + halo diffus, plus marqué quand on écrit */
.composer-box { display: flex; align-items: flex-end; gap: 8px; padding: 6px 6px 6px 16px; border-radius: 16px; border: 1px solid transparent;
  background: linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(120deg, rgba(124, 108, 255, .55), rgba(255, 255, 255, .08) 45%, rgba(34, 211, 238, .4)) border-box;
  box-shadow: 0 8px 28px rgba(0,0,0,.35), 0 0 22px rgba(124, 108, 255, .10); transition: box-shadow .25s var(--ease); }
.composer-box:focus-within { box-shadow: 0 8px 28px rgba(0,0,0,.35), 0 0 30px rgba(124, 108, 255, .22), 0 0 0 3px rgba(124, 108, 255, .10); }
.composer textarea { flex: 1; min-height: 26px; max-height: 220px; padding: 6px 0; border: 0; outline: none; resize: none; background: transparent; font-size: 16px; line-height: 1.5; }
.composer textarea::placeholder { color: var(--text-3); }
.send-btn { width: 36px; height: 36px; flex: none; display: grid; place-items: center; border: 0; border-radius: 11px; background: var(--text); color: var(--bg); transition: opacity .15s, transform .1s; }
.send-btn:active { transform: scale(.94); }
.send-btn:disabled { opacity: .25; cursor: not-allowed; }
.send-btn.stop { background: var(--text); }
.composer-hint { margin: 8px 0 0; text-align: center; font-size: 12px; color: var(--text-3); }
.composer-hint a { color: var(--text-2); text-decoration: underline; }
.to-bottom { position: absolute; left: 50%; bottom: 112px; transform: translateX(-50%); width: 36px; height: 36px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--border-strong); background: var(--elev); color: var(--text); box-shadow: 0 6px 20px rgba(0,0,0,.4); z-index: 5; }

/* état vide : saisie centrée */
.chat.empty .thread { display: flex; }
.chat.empty .thread-inner { flex: 1; display: flex; flex-direction: column; width: 100%; padding-bottom: 10vh; }
.chat.empty .thread-inner > :first-child { margin-top: auto; }   /* centré, mais défile sans rogner le haut si l'écran est petit */
.chat.empty .thread-inner > :last-child { margin-bottom: auto; }
.chat.empty .thread-inner { position: relative; }
.chat.empty .thread-inner::before { content: ""; position: absolute; z-index: -1; left: 50%; top: 50%; width: min(560px, 90vw); height: 260px; transform: translate(-50%, -60%); background: radial-gradient(closest-side, rgba(124, 108, 255, .10), transparent); pointer-events: none; }
.chat.empty .thread { isolation: isolate; }
.welcome { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 28px; animation: rise .5s var(--ease); }
.welcome .logo { width: 40px; height: 40px; border-radius: 12px; flex: none; }
.welcome h1 { margin: 0; font-size: clamp(26px, 3.4vw, 34px); font-weight: 500; line-height: 1.2; letter-spacing: -.02em; overflow-wrap: anywhere; }
.chat.empty .composer { width: 100%; animation: rise .5s .05s var(--ease) backwards; }
.chat.empty .composer-hint:not(.warn) { visibility: hidden; }
/* raccourcis : pré-remplissent la saisie */
.chips { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px; max-width: 780px; margin: 0 auto; animation: rise .5s .1s var(--ease) backwards; }
.chat.empty .thread .chips { margin-top: 12px; }
.chip { display: inline-flex; align-items: center; gap: 8px; height: 38px; padding: 0 15px; border-radius: 999px; border: 1px solid var(--border); background: transparent; color: var(--text-2); font-size: 14px; white-space: nowrap; transition: background .15s, border-color .15s, color .15s; }
.chip:hover { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
.chip:active { transform: scale(.98); }
.chip .ic { color: var(--text-3); }
@media (min-width: 861px) { .chat.empty .composer-dock { display: none; } }
/* incognito */
.topbar .incog-btn { margin-left: auto; }
.topbar .incog-btn + .only-mobile { margin-left: 0; }
.incog-btn[aria-pressed="true"] { background: var(--text); color: var(--bg); }
.incog-btn[aria-pressed="true"]:hover { background: var(--text-2); color: var(--bg); }
.welcome-incog { flex-direction: column; gap: 10px; text-align: center; }
.welcome-incog p { max-width: 420px; margin: 0; color: var(--text-3); font-size: 14.5px; text-wrap: balance; }
.incog-mark { width: 48px; height: 48px; display: grid; place-items: center; border-radius: 14px; background: var(--surface-2); border: 1px solid var(--border-strong); color: var(--text); }
.chat.incognito .thread-inner::before { background: radial-gradient(closest-side, rgba(255, 255, 255, .05), transparent); }
.chat.incognito .composer-box { background: linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(120deg, rgba(255,255,255,.28), rgba(255,255,255,.06) 50%, rgba(255,255,255,.22)) border-box; box-shadow: 0 8px 28px rgba(0,0,0,.35), 0 0 22px rgba(255,255,255,.05); }
@media (max-width: 860px) {
  .chat.empty .thread-inner { padding-bottom: 0; }
  .welcome { flex-direction: column; gap: 14px; margin-bottom: 0; text-align: center; }
  .composer-dock .chips { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; scrollbar-width: none; margin: 0 -16px 10px; padding: 0 16px; }
  .composer-dock .chips::-webkit-scrollbar { display: none; }
  .chip { flex: none; height: 40px; background: var(--surface); }
}
@media (prefers-reduced-motion: reduce) { .welcome, .chat.empty .composer, .chips { animation: none; } }

/* ---------- pages (offres, paramètres, admin) ---------- */
.page { max-width: 1040px; margin: 0 auto; padding: 28px 20px 64px; }
.page-head { margin-bottom: 26px; }
.page-head h1 { margin: 0; font-size: 26px; letter-spacing: -.02em; }
.page-head p { margin: 6px 0 0; color: var(--text-2); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 22px; }
.card + .card { margin-top: 16px; }
.stats > .card, .plans > .card, .settings-grid > .card { margin-top: 0; }
.card h2 { margin: 0 0 4px; font-size: 16px; }
.card .card-sub { margin: 0 0 18px; color: var(--text-3); font-size: 14px; }
.usage-card { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.usage-card .row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 14px; color: var(--text-2); }
.usage-card .row b { color: var(--text); }
.plans { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.plan { display: flex; flex-direction: column; gap: 14px; position: relative; }
.plan.featured { border-color: rgba(124,108,255,.55); box-shadow: 0 0 0 1px rgba(124,108,255,.25), 0 20px 50px rgba(91,75,255,.12); }
.plan .plan-top { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.plan h3 { margin: 0; font-size: 17px; }
.plan .price { font-size: 36px; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.plan .price small { font-size: 14px; font-weight: 500; color: var(--text-3); letter-spacing: 0; }
.plan .tokens { color: var(--text-2); font-size: 14px; }
.plan ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; flex: 1; font-size: 14px; color: var(--text-2); }
.plan li { display: flex; gap: 10px; align-items: flex-start; }
.plan li .ic { color: var(--ok); margin-top: 3px; }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { padding: 16px 18px; }
.stat span { display: block; font-size: 13px; color: var(--text-3); }
.stat b { display: block; margin-top: 4px; font-size: 22px; letter-spacing: -.02em; }
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 10px 18px; font-size: 14px; }
.kv dt { color: var(--text-3); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
table.data { width: 100%; border-collapse: collapse; font-size: 14px; }
table.data th { text-align: left; font-weight: 500; font-size: 13px; color: var(--text-3); padding: 0 12px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.data td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data tr:last-child td { border-bottom: 0; }
table.data .user-cell b { display: block; }
table.data .user-cell small { color: var(--text-3); }
table.data .actions { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
table.data .btn { min-height: 34px; padding: 0 12px; font-size: 13px; }
table.data select.input { height: 36px; font-size: 14px; min-width: 130px; }
.limit-cell { display: flex; align-items: center; gap: 6px; min-width: 132px; }
.limit-info { flex: 1; display: flex; flex-direction: column; gap: 6px; font-size: 13px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.limit-cell .icon-btn { width: 32px; height: 32px; color: var(--text-3); }
.limit-cell .icon-btn:hover:not(:disabled) { color: var(--text); }
.limit-cell .icon-btn:disabled { opacity: .35; cursor: default; background: transparent; }
.empty-note { color: var(--text-3); font-size: 14px; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .plans { grid-template-columns: 1fr; max-width: 520px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .sidebar { position: fixed; z-index: 50; top: 0; bottom: 0; left: 0; width: min(86vw, 300px); margin-left: 0 !important; transform: translateX(-100%); transition: transform .25s var(--ease); box-shadow: 0 0 40px rgba(0,0,0,.5); }
  .app.drawer .sidebar { transform: none; }
  .app.drawer .scrim { display: block; position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.55); animation: fade .2s; }
  .sb-head .collapse-btn { display: none; }
  .topbar { border-bottom-color: var(--border); padding-top: env(safe-area-inset-top); height: calc(var(--topbar-h) + env(safe-area-inset-top)); }
  .topbar .only-mobile { display: inline-grid; }
  .topbar .only-collapsed { display: none !important; }
  .topbar .title { text-align: center; }
  .settings-grid { grid-template-columns: 1fr; }
  table.data thead { display: none; }
  table.data, table.data tbody, table.data tr, table.data td { display: block; width: 100%; }
  table.data tr { padding: 14px 0; border-bottom: 1px solid var(--border); }
  table.data tr:last-child { border-bottom: 0; }
  table.data td { padding: 4px 0; border: 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
  table.data td[data-label]::before { content: attr(data-label); color: var(--text-3); font-size: 13px; }
  table.data td.user-cell { display: block; padding-bottom: 8px; }
  table.data .actions { justify-content: flex-start; padding-top: 8px; }
}
@media (max-width: 600px) {
  .thread-inner { padding: 18px 14px 24px; }
  .msg-ai { gap: 10px; }
  .msg-ai .logo { width: 24px; height: 24px; border-radius: 7px; }
  .thinking { min-height: 28px; }
  .composer-dock { padding: 0 10px max(10px, env(safe-area-inset-bottom)); }
  .composer-box { padding: 5px 5px 5px 14px; border-radius: 15px; }
  .composer-dock .chips { margin: 0 -10px 10px; padding: 0 10px; }
  .page { padding: 20px 14px 48px; }
  .card { padding: 18px; border-radius: var(--r); }
  .stats { gap: 10px; }
  .stat b { font-size: 19px; }
  .codeblock pre { font-size: 12.5px; }
  .to-bottom { bottom: 96px; }
}
@media (hover: none) { .conv .more { opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* ---------- plugin compilé ---------- */
.spinner-sm { width: 14px; height: 14px; flex: none; border-radius: 50%; border: 2px solid var(--border-strong); border-top-color: var(--accent-hover); animation: spin .7s linear infinite; }
.md + .thinking { margin-top: 12px; }
.build { margin: 16px 0 4px; border: 1px solid var(--border); border-radius: var(--r); background: var(--surface); overflow: hidden; animation: fade .2s; }
.build-main { display: flex; align-items: center; gap: 12px; padding: 12px 12px 12px 14px; }
.build-ic { width: 40px; height: 40px; flex: none; display: grid; place-items: center; border-radius: 10px; background: var(--accent-soft); color: #b9b0ff; }
.build[data-status="failed"] .build-ic { background: var(--danger-soft); color: var(--danger); }
.build-info { flex: 1; min-width: 0; line-height: 1.35; }
.build-info b { display: block; font: 500 14px var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.build-info small { display: block; color: var(--text-3); font-size: 13px; }
.build-dl { min-height: 36px; padding: 0 14px; flex: none; }
.build-more { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px 8px; border-top: 1px solid var(--border); }
.build-link { display: inline-flex; align-items: center; gap: 6px; height: 32px; padding: 0 10px; border: 0; border-radius: 6px; background: none; color: var(--text-2); font-size: 13px; text-decoration: none; }
.build-link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.build-link[aria-expanded="true"] .ic:last-child { transform: rotate(180deg); }
.build-code { padding: 0 12px 4px; border-top: 1px solid var(--border); }
.build-code .md { padding-top: 12px; }
.build-errors { margin: 0 14px 10px; font-size: 13px; color: var(--text-2); }
.build-errors summary { cursor: pointer; padding: 4px 0; }
.build-errors pre { margin: 6px 0 0; padding: 10px 12px; max-height: 220px; overflow: auto; border-radius: var(--r-sm); background: #0a0a0d; border: 1px solid var(--border); font: 12px/1.55 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.build-hint { margin: 0 14px 12px; font-size: 13px; color: var(--text-3); }

/* ---------- utilisation ---------- */
.page-narrow { max-width: 760px; }
.usage-plan { display: flex; flex-direction: column; gap: 18px; }
.usage-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.usage-top .card-sub { margin: 0; }
.usage-top .btn { min-height: 36px; }
.usage-bar { display: flex; flex-direction: column; gap: 8px; }
.usage-row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 14px; color: var(--text-2); }
.usage-row b { color: var(--text); font-size: 15px; }
.usage-row.muted { font-size: 13px; color: var(--text-3); }
.meter-lg { height: 10px; }
.meter.warn > i { background: var(--warn); }
.meter.danger > i { background: var(--danger); }
.usage-bonus { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--r-sm); background: var(--accent-soft); color: var(--text-2); font-size: 14px; }
.usage-bonus .ic { color: #b9b0ff; flex: none; }
.usage-bonus b { color: var(--text); }
.stats-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 16px 0; }
.usage-table td:last-child { white-space: nowrap; }
.cell-bar { display: inline-block; width: 90px; height: 6px; margin-right: 10px; vertical-align: middle; border-radius: 99px; background: var(--surface-2); overflow: hidden; }
.cell-bar > i { display: block; height: 100%; border-radius: inherit; background: var(--accent); }
@media (max-width: 600px) {
  .stats-3 { grid-template-columns: 1fr; }
  .build-dl span { display: none; }
  .build-dl { width: 40px; padding: 0; }
  .cell-bar { width: 56px; }
}

/* ---------- copie ---------- */
.copied { color: var(--ok) !important; }
.copied .ic { animation: copied-pop .45s var(--ease); }
@keyframes copied-pop { 0% { transform: scale(.4) rotate(-20deg); opacity: 0; } 60% { transform: scale(1.25); opacity: 1; } 100% { transform: scale(1); } }

/* ---------- fenêtre des paramètres ---------- */
.settings-backdrop { position: fixed; inset: 0; z-index: 80; display: grid; place-items: center; padding: 24px; background: rgba(5,5,8,.62); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); animation: set-back-in .3s var(--ease) both; }
.settings { display: flex; width: min(1000px, 100%); height: min(720px, 100%); overflow: hidden; border-radius: 22px; background: var(--surface); border: 1px solid var(--border-strong); box-shadow: 0 40px 120px rgba(0,0,0,.6), 0 0 0 1px rgba(124, 108, 255, .06); transform-origin: 50% 45%; animation: set-in .42s cubic-bezier(.16, 1, .3, 1) both; }
/* ouverture : la fenêtre monte, grandit légèrement et se met au point ; fermeture : l'inverse, plus bref */
.settings-backdrop.closing { pointer-events: none; animation: set-back-out .22s ease forwards; }
.settings-backdrop.closing .settings { animation: set-out .22s cubic-bezier(.4, 0, .7, .2) forwards; }
@keyframes set-back-in { from { background: rgba(5,5,8,0); backdrop-filter: blur(0); -webkit-backdrop-filter: blur(0); } }
@keyframes set-back-out { to { background: rgba(5,5,8,0); backdrop-filter: blur(0); -webkit-backdrop-filter: blur(0); } }
@keyframes set-in { from { opacity: 0; transform: translateY(18px) scale(.96); filter: blur(5px); } }
@keyframes set-out { to { opacity: 0; transform: translateY(10px) scale(.97); filter: blur(3px); } }
.settings-content > :not(.settings-loading) { animation: tab-in .28s var(--ease) both; }
@keyframes tab-in { from { opacity: 0; transform: translateY(6px); } }
.settings-content.quiet > * { animation: none; }
.settings-content.quiet .usage-asof { animation: asof-flash 1s var(--ease); }
@keyframes asof-flash { from { color: var(--accent-hover); } }
.usage-tools { display: flex; align-items: center; gap: 6px; }
.usage-asof { margin: -6px 0 14px; font-size: 12.5px; color: var(--text-3); font-variant-numeric: tabular-nums; }
.refresh-btn.spinning .ic { animation: spin .7s linear infinite; }
@media (prefers-reduced-motion: reduce) { .settings, .settings-backdrop, .settings-content > * { animation-duration: .01s !important; } }
.settings-nav { width: 232px; flex: none; display: flex; flex-direction: column; padding: 20px 12px 14px; background: var(--bg); border-right: 1px solid var(--border); }
.settings-nav h2 { margin: 2px 10px 16px; font-size: 18px; letter-spacing: -.01em; }
.settings-nav nav { display: flex; flex-direction: column; gap: 3px; }
.settings-nav [role="tab"] { display: flex; align-items: center; gap: 10px; height: 40px; padding: 0 12px; border: 0; border-radius: var(--r-sm); background: none; color: var(--text-2); font-size: 14px; font-weight: 500; text-align: left; }
.settings-nav [role="tab"]:hover { background: var(--surface-2); color: var(--text); }
.settings-nav [role="tab"][aria-selected="true"] { background: var(--elev); color: var(--text); }
.settings-body { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.settings-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 14px 10px 28px; border-bottom: 1px solid var(--border); }
.settings-head h3 { margin: 0; font-size: 17px; }
.settings-content { flex: 1; min-height: 0; overflow-y: auto; padding: 22px 28px 28px; outline: none; }
.settings-loading { display: grid; place-items: center; height: 160px; }
.set-section { padding: 18px 0; border-bottom: 1px solid var(--border); }
.set-section:first-child { padding-top: 0; }
.set-section:last-child { border-bottom: 0; padding-bottom: 0; }
.set-section h4 { margin: 0 0 4px; font-size: 15px; }
.set-section > .card-sub { margin: 0 0 14px; }
.set-section .kv { margin-top: 12px; }
.set-section .field { max-width: 420px; }
.set-lead { margin: 0 0 18px; }
.settings-content .stats { margin: 0 0 18px; }
.settings-content .stats-3 { margin: 18px 0; }
.settings-content .plans { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
@media (max-width: 760px) {
  .settings-backdrop { padding: 10px; padding-top: max(10px, env(safe-area-inset-top)); padding-bottom: max(10px, env(safe-area-inset-bottom)); }
  .settings { flex-direction: column; height: 100%; border-radius: 18px; }
  .settings-nav { width: auto; padding: 14px 12px 0; border-right: 0; border-bottom: 1px solid var(--border); }
  .settings-nav h2 { display: none; }
  .settings-nav nav { flex-direction: row; overflow-x: auto; scrollbar-width: none; padding-bottom: 10px; }
  .settings-nav [role="tab"] { flex: none; height: 36px; padding: 0 12px; }
  .settings-head { padding: 10px 8px 8px 18px; order: -1; }
  .settings-body { display: contents; }
  .settings-content { padding: 18px 16px 22px; }
  .settings-content .stats { grid-template-columns: 1fr 1fr; }
}
.settings-content .card-sub { margin: 0 0 14px; color: var(--text-3); font-size: 14px; }
.set-section .usage-top .card-sub { margin: 0; }
@media (max-width: 760px) {
  .settings-nav [role="tab"] .ic { display: none; }
  .settings-nav [role="tab"] { padding: 0 11px; font-size: 13.5px; }
  .settings-content .stats-3 { grid-template-columns: 1fr; }
  .settings-content .stats-3 .stat { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; }
  .settings-content .stats-3 .stat b { margin: 0; font-size: 18px; }
}
/* téléphone : plein écran, comme une page native */
@media (max-width: 600px) {
  .settings-backdrop { padding: 0; background: var(--surface); }
  .settings { border: 0; border-radius: 0; box-shadow: none; padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); }
  .settings-nav { padding: 6px 0 0; }
  .settings-nav nav { gap: 4px; padding: 0 28px 10px 12px; -webkit-mask: linear-gradient(90deg, #000 calc(100% - 28px), transparent); mask: linear-gradient(90deg, #000 calc(100% - 28px), transparent); }
  .settings-nav [role="tab"] { height: 38px; border-radius: 99px; background: var(--surface-2); }
  .settings-nav [role="tab"][aria-selected="true"] { background: var(--text); color: var(--bg); }
  .settings-content .plans { grid-template-columns: 1fr; }
  .set-section .field { max-width: none; }
}