/* Projet Pilote · design system de l'application (espace élève, paiement, admin)
   Mêmes tokens que la landing : fond nuit, ambre signal, glacier. */
:root{
  color-scheme:dark;
  --bg:#07090D; --bg-2:#0B0F16; --surface:#10151E; --surface-2:#161C27;
  --line:#232B39; --line-soft:#171E2A;
  --text:#ECEFF4; --text-2:#A6AFBE; --text-3:#76818F;
  --amber:#FFB23E; --amber-2:#FFC76E; --amber-ink:#1A1206; --amber-soft:rgba(255,178,62,.10); --amber-line:rgba(255,178,62,.35);
  --glacier:#8FD3FF; --ok:#5BD69A; --ok-soft:rgba(91,214,154,.12); --bad:#FF6B5E; --bad-soft:rgba(255,107,94,.12);
  --display:"Chakra Petch","Segoe UI",system-ui,sans-serif;
  --sans:"Instrument Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
  --r:10px; --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
a{color:var(--amber)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}
[hidden]{display:none!important}
h1,h2,h3{font-family:var(--display);font-weight:600;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4vw,2.6rem);line-height:1.08}
h2{font-size:1.5rem;line-height:1.15}
h3{font-size:1.08rem;line-height:1.3}
p{margin:0}
.label{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3)}
.muted{color:var(--text-2)}
.fine{font-size:.88rem;color:var(--text-3)}
.num{font-variant-numeric:tabular-nums}
.stack{display:grid;gap:16px;align-content:start}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* Header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(7,9,13,.8);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft);padding-inline:20px}
.top-in{max-width:1240px;margin-inline:auto;display:flex;align-items:center;gap:20px;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-family:var(--display);font-weight:700;letter-spacing:.08em;font-size:.92rem;white-space:nowrap}
.top-nav{margin-left:auto;display:flex;align-items:center;gap:14px}
.top-nav .who{font-size:.85rem;color:var(--text-3);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:560px){.top-nav .who{display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 .95rem/1 var(--sans);text-decoration:none;padding:13px 18px;border-radius:8px;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:background .2s,border-color .2s,box-shadow .2s,transform .2s var(--ease);color:var(--text);background:transparent}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn-primary{background:var(--amber);color:var(--amber-ink)}
.btn-primary:hover{background:var(--amber-2);box-shadow:0 0 26px -6px rgba(255,178,62,.6);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line)}
.btn-ghost:hover{border-color:var(--text-3)}
.btn-danger{border-color:rgba(255,107,94,.4);color:var(--bad)}
.btn-danger:hover{background:var(--bad-soft)}
.btn-sm{padding:8px 12px;font-size:.84rem}
.btn-block{width:100%}
.link{background:none;border:0;padding:0;color:var(--amber);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

/* Panels & forms */
.panel{border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:28px}
.panel-hl{border-color:var(--amber-line);background:radial-gradient(120% 90% at 100% 0%,rgba(255,178,62,.08),transparent 55%),var(--surface)}
.field{display:grid;gap:6px}
.field label{font-size:.88rem;color:var(--text-2)}
.input,textarea.input,select.input{width:100%;font:15px/1.5 var(--sans);color:var(--text);background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:11px 12px;transition:border-color .2s}
.input:focus{outline:none;border-color:var(--amber)}
textarea.input{resize:vertical;min-height:120px}
.check{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:.9rem;color:var(--text-2);align-items:start}
.check input{width:18px;height:18px;margin:2px 0 0;accent-color:var(--amber)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:4px}
.tab{background:none;border:0;border-bottom:2px solid transparent;color:var(--text-2);font:600 .92rem var(--sans);padding:10px 12px;cursor:pointer;margin-bottom:-1px}
.tab[aria-selected="true"]{color:var(--text);border-bottom-color:var(--amber)}

/* Alerts */
.alert{border-radius:8px;padding:12px 14px;font-size:.92rem;border:1px solid var(--line);background:var(--bg-2);color:var(--text-2)}
.alert.ok{border-color:rgba(91,214,154,.35);background:var(--ok-soft);color:#BFF0D6}
.alert.bad{border-color:rgba(255,107,94,.35);background:var(--bad-soft);color:#FFC7C1}
.alert.warn{border-color:var(--amber-line);background:var(--amber-soft);color:#FFE2B5}

/* Ticks */
.ticks{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.ticks li{display:grid;grid-template-columns:22px 1fr;gap:8px;color:var(--text-2)}
.ticks li::before{content:"✓";color:var(--ok);font-family:var(--mono)}

/* Progress */
.meter{height:6px;border-radius:3px;background:var(--line);overflow:hidden}
.meter > i{display:block;height:100%;background:var(--amber);border-radius:3px;width:0;transition:width .6s var(--ease)}

/* Status pill */
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;padding:3px 8px;border-radius:999px;border:1px solid var(--line);color:var(--text-3);white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.ok{color:var(--ok);border-color:rgba(91,214,154,.35)}
.pill.amber{color:var(--amber);border-color:var(--amber-line)}
.pill.bad{color:var(--bad);border-color:rgba(255,107,94,.35)}

/* Tables */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r)}
table.tbl{border-collapse:collapse;width:100%;font-size:.9rem;min-width:640px}
.tbl th,.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:middle}
.tbl th{font:500 .68rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);background:var(--bg-2)}
.tbl tr:last-child td{border-bottom:0}
.tbl td.n{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* Page shells */
.shell{max-width:1240px;margin-inline:auto;padding:40px 20px 80px}
.center{min-height:calc(100vh - 60px);display:grid;place-items:center;padding:40px 20px}
.boot{display:grid;place-items:center;gap:14px;padding:80px 20px;color:var(--text-3)}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--amber);box-shadow:0 0 14px var(--amber);animation:pp-pulse 1.4s infinite}
@keyframes pp-pulse{50%{transform:scale(.6);opacity:.4}}
@media (prefers-reduced-motion: reduce){.pulse{animation:none}}

/* Toast */
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--surface-2);border:1px solid var(--line);color:var(--text);padding:10px 16px;border-radius:8px;font-size:.9rem;z-index:50;box-shadow:0 10px 30px rgba(0,0,0,.4)}

/* Pied de page légal */
.app-footer{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;padding:28px 20px calc(28px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line-soft);font-size:.82rem}
.app-footer a{color:var(--text-3);text-decoration:none}
.app-footer a:hover{color:var(--text)}

/* Lien Aide + pastille */
.nav-help{position:relative}
.dot-new{position:absolute;top:-3px;right:-3px;width:9px;height:9px;border-radius:50%;background:var(--amber);box-shadow:0 0 8px var(--amber)}

/* Sélecteur de vue (admin) et bandeau d'aperçu */
.view-switch select.input{width:auto;padding:7px 10px;font-size:.84rem;border-color:var(--amber-line)}
.view-banner{position:fixed;left:50%;bottom:calc(16px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:40;display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:center;max-width:calc(100% - 32px);background:var(--surface-2);border:1px solid var(--amber-line);border-radius:10px;padding:10px 14px;font-size:.88rem;color:var(--text-2);box-shadow:0 12px 40px rgba(0,0,0,.45)}
.view-banner strong{color:var(--amber)}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.qr{background:#fff;padding:10px;border-radius:10px;width:200px;height:200px;max-width:100%}
.otp{font-family:var(--mono);font-size:1.4rem;letter-spacing:.3em;text-align:center}

/* Setup banner (config manquante) */
.setup{max-width:640px;margin:60px auto;padding:0 20px}

/* Sous-listes dans les leçons */
ul.sub{margin-top:-.4em;padding-left:2.6em}

/* Petits écrans : logo seul dans l'en-tête, pour laisser la place aux boutons */
@media (max-width:480px){
  .top{padding-inline:12px}
  .top-in{gap:8px}
  .brand{font-size:0;gap:0}
  .top-nav{gap:6px}
  .top-nav .btn-sm,.menu-btn{padding:8px 10px}
}

/* ================= Finition « premium » (commune à toutes les pages de l'application) ================= */
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:-2;background:
  radial-gradient(1100px 620px at 85% -12%,rgba(255,178,62,.075),transparent 62%),
  radial-gradient(900px 560px at -12% 28%,rgba(143,211,255,.045),transparent 62%)}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%);mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 30%,transparent 75%)}
.panel{box-shadow:inset 0 1px 0 rgba(255,255,255,.035),0 24px 60px -40px rgba(0,0,0,.8)}
.btn-primary{background:linear-gradient(180deg,#FFC060,var(--amber));box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 8px 24px -12px rgba(255,178,62,.7)}
.btn-primary:hover{background:linear-gradient(180deg,#FFCF85,var(--amber-2))}
.input{box-shadow:inset 0 1px 2px rgba(0,0,0,.3)}
.input:focus{box-shadow:0 0 0 3px rgba(255,178,62,.15)}
@media (prefers-reduced-motion: no-preference){
  .appear{animation:pp-appear .55s var(--ease) both}
  @keyframes pp-appear{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
}
/* Rangée de garanties (paiement, accès, remboursement) */
.assure{display:grid;gap:10px}
.assure li{list-style:none;display:grid;grid-template-columns:34px 1fr;gap:12px;align-items:center;color:var(--text-2);font-size:.9rem}
.assure ul{margin:0;padding:0;display:grid;gap:12px}
.assure .ic{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line);color:var(--amber)}
.assure .ic svg{width:17px;height:17px}
.assure b{color:var(--text);font-weight:600;display:block;font-size:.92rem}
/* Indicateur d'étapes */
.stepper{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stepper span{display:grid;gap:6px;font:500 .68rem var(--mono);letter-spacing:.1em;color:var(--text-3)}
.stepper span::before{content:"";height:3px;border-radius:2px;background:var(--line)}
.stepper span.on{color:var(--amber)}
.stepper span.on::before{background:var(--amber);box-shadow:0 0 10px rgba(255,178,62,.6)}
.stepper span.done{color:var(--ok)}
.stepper span.done::before{background:var(--ok)}
/* Récapitulatif de commande */
.recap{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--bg-2)}
.recap .logo{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;background:radial-gradient(circle at 30% 30%,rgba(255,178,62,.25),transparent 70%),var(--surface-2);border:1px solid var(--amber-line)}
.recap b{display:block;color:var(--text)}
.recap .amt{font:600 1.3rem var(--display)}

/* Champ mot de passe avec bouton « œil » */
.pw-wrap{position:relative;display:block}
.pw-wrap .input{padding-right:48px}
.pw-eye{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:36px;height:36px;display:grid;place-items:center;border:0;border-radius:8px;background:transparent;color:var(--text-3);cursor:pointer;transition:color .15s,background .15s}
.pw-eye:hover{color:var(--text);background:var(--surface-2)}
.pw-eye svg{width:19px;height:19px}

/* Visual refresh shared by account, learning, checkout and support pages. */
:root{--text-3:#98a3b3;--line:#2b3443;--display:"Instrument Sans","Segoe UI",system-ui,sans-serif}
body{background-color:#090c11}
h1,h2,h3{letter-spacing:-.035em}
.top{background:rgba(9,12,17,.94)}
.top-in{height:68px}
.panel{border-radius:18px;background:linear-gradient(145deg,#151c27,#10151e);box-shadow:0 20px 60px -35px #0009}
.btn{border-radius:10px;min-height:44px}
.btn-primary{background:linear-gradient(180deg,#ffc66e,#ffb23e)}
.input,textarea.input,select.input{border-radius:10px;padding:12px 14px}
.tabs{gap:8px}.tab{min-height:44px}
.tbl th,.tbl td{padding:14px 16px}.tbl tbody tr:hover{background:#ffffff03}
.app-footer{line-height:1.8}.app-footer a:hover{text-decoration:underline;text-underline-offset:4px}
@media(max-width:560px){.panel{padding:22px}.shell{padding:28px 16px 64px}.center{padding:28px 16px}.top-in{gap:10px}.top-nav{gap:6px}.btn{white-space:normal;text-align:center}.top-nav .btn{font-size:.78rem}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Schémas annotés des tutoriels (images dans les leçons) */
.shot{margin:6px 0;display:grid;gap:8px;max-width:none!important}
.shot a{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 20px 50px -35px rgba(0,0,0,.8);transition:border-color .2s}
.shot a:hover{border-color:var(--amber-line)}
.shot img{display:block;width:100%;height:auto}
.shot figcaption{font-size:.88rem;color:var(--text-3);line-height:1.5}