/* Espace élève Sound Academy : mêmes couleurs et polices que sound-academy.co (css/sa.css du site). */
:root{
  --ink:#121118; --muted:#5D5B68; --soft:#8A8895; --bg:#FFFFFF; --bg-2:#F7F6F9; --line:#ECEAF0; --line-2:#DCD9E3;
  --pink:#F2295B; --orange:#F47B3C; --violet:#7A3FA0; --magenta:#B4148C;
  --ok:#11845B; --ok-bg:#E8F6F0; --ko:#C2264B; --ko-bg:#FDECEF; --info-bg:#F4EEF8;
  --grad:linear-gradient(100deg,#F47B3C 0%,#F2295B 42%,#B4148C 72%,#7A3FA0 100%);
  --display:"Bricolage Grotesque",system-ui,sans-serif; --sans:Inter,system-ui,sans-serif;
  --radius:18px; --shadow:0 18px 40px -24px rgba(18,17,24,.28);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg-2);color:var(--ink);font:400 16px/1.6 var(--sans)}
a{color:inherit}
h1,h2,h3{font-family:var(--display);letter-spacing:-.02em;line-height:1.15;margin:0}
h1{font-size:clamp(28px,4vw,40px);font-weight:700}
h2{font-size:22px;font-weight:700}
h3{font-size:18px;font-weight:600}
p{margin:0 0 12px}
button{font:inherit;cursor:pointer}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.small{font-size:14px}
[hidden]{display:none!important}

/* En-tête */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font:700 18px/1 var(--display);text-decoration:none;color:var(--ink)}
.brand img{width:32px;height:32px;border-radius:50%}
.brand span{font:500 13px/1 var(--sans);color:var(--muted);padding-left:10px;border-left:1px solid var(--line-2)}
.top nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.top nav a,.top nav button{font:500 14px/1 var(--sans);color:var(--muted);text-decoration:none;background:none;border:0;padding:10px 12px;border-radius:10px}
.top nav a:hover,.top nav button:hover,.top nav a.on{color:var(--ink);background:var(--bg-2)}
.bar-progress{height:3px;background:var(--line)}
.bar-progress i{display:block;height:100%;width:0;background:var(--grad);transition:width .4s}

/* Boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 22px;font:600 15px/1.2 var(--sans);text-decoration:none;background:var(--ink);color:#fff;transition:transform .15s,opacity .15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.45;cursor:default;transform:none}
.btn.grad{background:var(--grad)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line-2)}
.btn.small{padding:8px 14px;font-size:14px}

/* Cartes et listes */
.hero{padding:36px 0 24px}
.hero p{font-size:17px;color:var(--muted);max-width:640px;margin-top:10px}
.eyebrow{font:600 12px/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--pink);margin-bottom:10px;display:block}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}
.course{display:flex;flex-direction:column;gap:14px;text-decoration:none}
.course .cover{height:110px;border-radius:12px;background:var(--grad);display:flex;align-items:flex-end;padding:14px;color:#fff;font:700 20px/1.1 var(--display)}
.meter{height:8px;border-radius:99px;background:var(--line);overflow:hidden}
.meter i{display:block;height:100%;background:var(--grad);border-radius:99px}
.stats{display:flex;gap:18px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.stats b{color:var(--ink);font-weight:600}
.module{margin-bottom:18px;padding:0;overflow:hidden}
.module>header{display:flex;gap:14px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)}
.module .num{flex:none;width:38px;height:38px;border-radius:12px;background:var(--bg-2);display:grid;place-items:center;font:700 16px/1 var(--display);color:var(--violet)}
.module header .meter{width:90px;margin-left:auto;flex:none}
.items{list-style:none;margin:0;padding:6px}
.items a{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:12px;text-decoration:none}
.items a:hover{background:var(--bg-2)}
.items .t{flex:1;min-width:0}
.items .t b{display:block;font-weight:500}
.items .t small{color:var(--muted);font-size:13px}
.state{flex:none;width:26px;height:26px;border-radius:50%;border:2px solid var(--line-2);display:grid;place-items:center;font-size:13px;color:#fff}
.state.half{border-color:var(--orange);background:conic-gradient(var(--orange) var(--p,50%),transparent 0)}
.state.done{border-color:var(--ok);background:var(--ok)}
.state.done::after{content:"✓";font-weight:700}
.items .quiz .state{border-radius:8px}
.tag{font:600 12px/1 var(--sans);padding:5px 9px;border-radius:99px;background:var(--bg-2);color:var(--muted);flex:none}
.tag.ok{background:var(--ok-bg);color:var(--ok)}

/* Leçon */
.lesson-head{padding:30px 0 10px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.objectives{margin:18px 0 0;padding:16px 20px;background:#fff;border:1px solid var(--line);border-radius:14px}
.objectives ul{margin:8px 0 0;padding-left:20px}
.block{margin:18px 0}
.block>.label{font:600 12px/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--soft);margin-bottom:10px;display:block}
.block.hook{background:var(--ink);color:#fff;border:0}
.block.hook .label{color:#F9A9BD}
.key{margin-top:14px;padding:14px 16px;border-radius:12px;background:var(--info-bg);border-left:4px solid var(--violet);font-weight:500}
table{width:100%;border-collapse:collapse;font-size:14px;margin-top:14px}
caption{text-align:left;font-weight:600;padding-bottom:8px;color:var(--muted);font-size:13px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--bg-2);font-weight:600}
.table-scroll{overflow-x:auto}
.options{display:grid;gap:10px;margin:14px 0 0}
.opt{display:flex;gap:12px;align-items:flex-start;text-align:left;width:100%;background:#fff;border:1.5px solid var(--line-2);border-radius:12px;padding:12px 14px;color:var(--ink);transition:border-color .15s,background .15s}
.opt:hover:not(:disabled){border-color:var(--ink)}
.opt .l{flex:none;width:24px;height:24px;border-radius:50%;border:1.5px solid var(--line-2);display:grid;place-items:center;font:600 12px/1 var(--sans);color:var(--muted)}
.opt.wrong{border-color:var(--ko);background:var(--ko-bg)}
.opt.right{border-color:var(--ok);background:var(--ok-bg)}
.opt:disabled{cursor:default}
.numrow{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.numrow input{flex:1;min-width:140px;font:500 16px/1 var(--sans);padding:12px 14px;border:1.5px solid var(--line-2);border-radius:12px}
.feedback{margin-top:14px;padding:14px 16px;border-radius:12px;font-size:15px}
.feedback.ok{background:var(--ok-bg);color:#0B5E41}
.feedback.ko{background:var(--ko-bg);color:#8F1735}
.feedback.info{background:var(--info-bg)}
.feedback b{display:block;margin-bottom:4px}
.hints{margin-top:12px}
.hints button{background:none;border:0;color:var(--violet);font-weight:600;padding:0}
.hints p{margin:8px 0 0;padding:10px 14px;background:var(--bg-2);border-radius:10px;font-size:15px}
.video-box{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000;margin:14px 0}
.video-box iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.video-box button{position:absolute;inset:0;width:100%;border:0;background:#000 center/cover no-repeat;color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.video-box button::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15),rgba(0,0,0,.6))}
.video-box button span{position:relative;font-weight:600}
.video-box .play{position:relative;width:68px;height:68px;border-radius:50%;background:var(--grad);display:grid;place-items:center}
.video-box .play::after{content:"";border-left:20px solid #fff;border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.watch{margin:0;padding-left:20px}
.source{font-size:13px;color:var(--soft)}
.steps{counter-reset:s;list-style:none;padding:0;margin:14px 0 0}
.steps li{counter-increment:s;position:relative;padding:0 0 14px 44px}
.steps li::before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--bg-2);display:grid;place-items:center;font:700 14px/1 var(--display);color:var(--violet)}
.steps small{display:block;color:var(--muted)}
.synth ul{padding-left:20px}
.cards{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));margin-top:14px}
.flip{perspective:900px;min-height:130px;border:0;background:none;padding:0}
.flip>div{position:relative;width:100%;height:100%;min-height:130px;transition:transform .5s;transform-style:preserve-3d}
.flip.on>div{transform:rotateY(180deg)}
.flip .f,.flip .b{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:14px;padding:16px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:15px}
.flip .f{background:#fff;border:1.5px solid var(--line-2);font-weight:600}
.flip .b{background:var(--ink);color:#fff;transform:rotateY(180deg)}
.lesson-end{text-align:center;padding:30px 24px}
.lesson-end .btn{margin:6px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:999px;font-weight:500;box-shadow:var(--shadow);z-index:50}

/* Connexion */
.login{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(1200px 500px at 10% -10%,rgba(244,123,60,.18),transparent),radial-gradient(900px 500px at 100% 110%,rgba(122,63,160,.18),transparent),var(--bg-2)}
.login .card{width:100%;max-width:440px;padding:34px}
.login .brand{margin-bottom:26px}
.login label{display:block;font-weight:600;font-size:14px;margin:22px 0 8px}
.login input{width:100%;font:400 16px/1 var(--sans);padding:14px 16px;border:1.5px solid var(--line-2);border-radius:12px}
.login input:focus,.numrow input:focus{outline:none;border-color:var(--violet)}
.login .btn{width:100%;margin-top:16px}

.empty{text-align:center;padding:40px 24px}
footer.foot{padding:40px 0;color:var(--soft);font-size:13px;text-align:center}

@media (max-width:640px){
  .top .wrap{height:58px;gap:10px}
  .brand span{display:none}
  .brand{font-size:16px;white-space:nowrap;gap:8px}
  .brand img{width:28px;height:28px}
  .top nav a,.top nav button{white-space:nowrap;padding:8px;font-size:13px}
  .top nav a.home{display:none}
  .card{padding:18px}
  .module>header{padding:16px}
  .module header .meter{display:none}
  .items a{padding:12px 10px}
}

/* Plan de paiement (élève et back-office) */
.tiles{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));margin:16px 0}
.tile{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.tile small{display:block;color:var(--muted);font-size:13px;margin-bottom:4px}
.tile b{font:700 20px/1.2 var(--display)}
.tile.ok b{color:var(--ok)}
.tile.ko{border-color:var(--ko);background:var(--ko-bg)}
.tile.ko b{color:var(--ko)}
.pill{display:inline-block;font:600 12px/1 var(--sans);padding:5px 9px;border-radius:99px;background:var(--bg-2);color:var(--muted);white-space:nowrap}
.pill.ok{background:var(--ok-bg);color:var(--ok)}
.pill.ko{background:var(--ko-bg);color:var(--ko)}
.pill.wait{background:#FFF4E5;color:#9A5B00}

/* Back-office */
.top.admin{background:rgba(18,17,24,.96);border-bottom:0}
.top.admin .brand{color:#fff}
.top.admin .brand span{color:#C9C6D3;border-color:#3A3846}
.top.admin nav a,.top.admin nav button{color:#C9C6D3}
.top.admin nav a:hover,.top.admin nav button:hover,.top.admin nav a.on{color:#fff;background:#2A2933}
.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin:0 0 16px}
.toolbar input[type=search]{flex:1;min-width:220px;width:auto}
.toolbar select{width:auto}
input,select,textarea{font:400 15px/1.3 var(--sans);padding:10px 12px;border:1.5px solid var(--line-2);border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--violet)}
textarea{min-height:70px;resize:vertical}
.form{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));align-items:end}
.form label{display:block;font-size:13px;font-weight:600;color:var(--muted)}
.form label>input,.form label>select,.form label>textarea{margin-top:6px}
.form .full{grid-column:1/-1}
.form .actions{display:flex;gap:8px;flex-wrap:wrap}
.checks{display:flex;gap:10px 18px;flex-wrap:wrap}
.checks label{display:flex;gap:8px;align-items:center;font-weight:500;color:var(--ink);font-size:15px}
.checks input{width:auto}
.list{width:100%;border-collapse:collapse;font-size:14px;margin:0;background:#fff}
.list th{font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);background:var(--bg-2)}
.list td,.list th{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
.list tr.click{cursor:pointer}
.list tr.click:hover td{background:var(--bg-2)}
.list .num{text-align:right;white-space:nowrap}
.list .mini{width:80px}
.card.flush{padding:0;overflow:hidden}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:28px 0 12px;flex-wrap:wrap}
.layout{display:grid;gap:20px;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);align-items:start}
.journal{list-style:none;padding:0;margin:0;font-size:14px}
.journal li{padding:10px 0;border-bottom:1px solid var(--line)}
.journal small{display:block;color:var(--soft)}
.prog-mod{margin:0 0 14px}
.prog-mod h3{font-size:15px;display:flex;justify-content:space-between;gap:10px;margin-bottom:6px}
.dots{display:flex;gap:5px;flex-wrap:wrap}
.dots i{width:16px;height:16px;border-radius:5px;background:var(--line)}
.dots i.half{background:#F9C9A5}
.dots i.done{background:var(--ok)}
.linkbtn{background:none;border:0;color:var(--violet);font-weight:600;padding:0;font-size:14px}
.linkbtn.danger{color:var(--ko)}
dialog{border:0;border-radius:18px;padding:24px;max-width:560px;width:calc(100% - 32px);box-shadow:0 30px 80px -20px rgba(0,0,0,.4)}
dialog::backdrop{background:rgba(18,17,24,.45)}
dialog h2{margin-bottom:16px}
@media (max-width:900px){.layout{grid-template-columns:1fr}}
@media (max-width:640px){.list .hide-sm{display:none}}