:root{
  --ink:#1D2B2C; --muted:#5F6F6E; --teal:#1F4E52; --teal-2:#2E6B6F; --teal-soft:#E3EEEC;
  --sand:#F6F1E9; --card:#FFFFFF; --line:#E6DED1; --coral:#D9622B; --coral-soft:#FBE7DB;
  --ok:#2F7D4F; --ok-soft:#E1F2E7; --err:#B3261E; --err-soft:#FBE4E2; --warn-soft:#FFF4D6;
  --r:16px; --shadow:0 1px 2px rgba(31,78,82,.06),0 6px 20px rgba(31,78,82,.07);
  --serif:'Fraunces',Georgia,serif; --sans:'DM Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sand);color:var(--ink);font:17px/1.6 var(--sans)}
a{color:var(--teal-2)}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--serif);font-weight:650;line-height:1.2;color:var(--teal);margin:0 0 .5em}
code{background:var(--teal-soft);padding:1px 6px;border-radius:6px;font-size:.9em}
.muted{color:var(--muted)} .small{font-size:.88rem}
.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;font-weight:700;color:var(--coral);margin:0 0 .4em}

/* barre du haut */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 20px;background:var(--teal);color:#fff;position:sticky;top:0;z-index:5}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-family:var(--serif);font-weight:650;font-size:1.15rem}
.brand-mark{width:26px;height:26px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#F7B489,var(--coral));box-shadow:inset 0 0 0 3px rgba(255,255,255,.25)}
.topnav{display:flex;gap:6px}
.topnav a{white-space:nowrap;color:#D6E6E4;text-decoration:none;padding:6px 12px;border-radius:999px;font-size:.92rem}
.topnav a.on,.topnav a:hover{background:rgba(255,255,255,.12);color:#fff}

.wrap{max-width:1040px;margin:0 auto;padding:28px 16px 40px}
.foot{max-width:1040px;margin:0 auto;padding:20px 16px 40px;color:var(--muted);font-size:.85rem;border-top:1px solid var(--line)}

/* boutons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;background:var(--coral);color:#fff;font:700 1rem var(--sans);padding:13px 22px;border-radius:12px;text-decoration:none;transition:transform .1s,background .2s}
.btn:hover{background:#C2531F}
.btn:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--teal);box-shadow:inset 0 0 0 1.5px var(--line)}
.btn-ghost:hover{background:var(--teal-soft)}
.btn-block{width:100%}
.btn-sm{padding:7px 12px;font-size:.88rem;border-radius:9px}
.btn-danger{background:var(--err)} .btn-danger:hover{background:#8f1e17}

/* alertes / notes */
.alert{padding:12px 16px;border-radius:12px;margin:0 0 18px;font-size:.95rem}
.alert.ok{background:var(--ok-soft);color:var(--ok)} .alert.err{background:var(--err-soft);color:var(--err)}
.note{background:var(--teal-soft);border-left:4px solid var(--teal-2);padding:14px 16px;border-radius:10px;margin:18px 0}
.note-warn{background:var(--warn-soft);border-color:#D9A21B}
.note-danger{background:var(--err-soft);border-color:var(--err)}

/* formulaires */
.form label{display:block;font-weight:500;font-size:.92rem;margin:0 0 14px;color:var(--ink)}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;font:16px var(--sans);background:#fff;color:var(--ink)}
.form textarea{min-height:110px;resize:vertical}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--teal-2);box-shadow:0 0 0 3px var(--teal-soft)}
.form h3{font-size:1.05rem;margin:18px 0 10px}

/* connexion */
.auth{display:grid;place-items:center;min-height:100vh;padding:20px;background:linear-gradient(160deg,var(--sand),#EBE2D3)}
.auth-card{width:100%;max-width:420px;background:var(--card);border-radius:22px;padding:28px 26px;box-shadow:var(--shadow)}
.auth-illu{border-radius:14px;margin-bottom:18px}
.brand-title{font-size:1.9rem;margin-bottom:.2em}
.auth .brand{color:var(--teal)}

/* tableau de bord */
.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;background:var(--card);border-radius:24px;padding:28px;box-shadow:var(--shadow);margin-bottom:34px}
.hero h1{font-size:clamp(1.6rem,3.6vw,2.3rem)}
.hero h1 span{display:block;color:var(--ink);font-weight:500}
.hero-illu{border-radius:16px}
.progress{height:10px;background:var(--teal-soft);border-radius:999px;overflow:hidden;margin:14px 0 6px}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--teal-2),#4FA39B);border-radius:999px}
.badge-done{display:inline-block;background:var(--ok-soft);color:var(--ok);padding:8px 14px;border-radius:999px;font-weight:700;font-size:.92rem}

.module{margin-bottom:34px}
.module-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:14px}
.module-head h2{font-size:1.35rem;margin:0}
.module-head p{margin:2px 0 0;font-size:.95rem}
.module-num{flex:none;width:36px;height:36px;border-radius:50%;background:var(--teal);color:#fff;display:grid;place-items:center;font-weight:700}
.module-count{margin-left:auto;font-weight:700;color:var(--muted);font-size:.9rem;white-space:nowrap}
.lesson-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.lesson-card{display:flex;flex-direction:column;background:var(--card);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;position:relative}
.lesson-card:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(31,78,82,.13)}
.lesson-cover{background:#FBF7F0;aspect-ratio:16/9;display:grid;place-items:center;overflow:hidden;padding:6px}
.lesson-cover img{width:100%;height:100%;object-fit:contain}
.lesson-body{padding:14px 16px 16px}
.lesson-body h3{font-size:1.05rem;margin:0 0 4px}
.lesson-body p{margin:0 0 8px;font-size:.9rem;color:var(--muted);line-height:1.45}
.meta{font-size:.8rem;color:var(--muted)} .meta b{color:var(--ok)}
.lesson-card.is-done::after{content:"✓";position:absolute;top:10px;right:10px;width:28px;height:28px;border-radius:50%;background:var(--ok);color:#fff;display:grid;place-items:center;font-weight:700}

/* leçon */
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.crumbs a{text-decoration:none}
.lesson{max-width:780px;margin:0 auto}
.lesson-head h1{font-size:clamp(1.7rem,4vw,2.4rem)}
.lead{font-size:1.12rem;color:var(--muted)}
.prose{background:var(--card);border-radius:20px;padding:24px 26px;box-shadow:var(--shadow);margin:20px 0}
.prose h3{font-size:1.2rem;margin-top:1.2em}
.prose ul,.prose ol{padding-left:1.3em} .prose li{margin:.35em 0}
.prose>:first-child{margin-top:0} .prose>:last-child{margin-bottom:0}
.routine li{padding:4px 0}
.video{position:relative;aspect-ratio:16/9;border-radius:16px;overflow:hidden;background:#000;margin:20px 0}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

.exercise{background:var(--card);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;margin:20px 0}
.ex-figure{margin:0;background:#FBF7F0;padding:10px}
.ex-figure img{width:100%;height:auto}
.ex-body{padding:20px 26px 24px}
.ex-body h2{font-size:1.45rem;margin-bottom:.3em}
.dosage{display:inline-block;background:var(--coral-soft);color:#A3461A;font-weight:700;padding:6px 12px;border-radius:999px;font-size:.9rem;margin:0 0 12px}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;position:relative;padding:8px 0 8px 44px;border-bottom:1px dashed var(--line)}
.steps li:last-child{border:0}
.steps li::before{content:counter(s);position:absolute;left:0;top:8px;width:30px;height:30px;border-radius:50%;background:var(--teal-soft);color:var(--teal);font-weight:700;display:grid;place-items:center;font-size:.9rem}
.caution{background:var(--warn-soft);padding:12px 14px;border-radius:10px;margin:14px 0 0;font-size:.95rem}

.lesson-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:28px 0 16px}
.pager{display:flex;justify-content:space-between;gap:12px;font-size:.92rem;padding-top:14px;border-top:1px solid var(--line)}
.pager a{text-decoration:none;max-width:48%}

/* administration */
.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 56px)}
.sidebar{background:#173C3F;padding:18px 12px}
.sidebar a{display:block;color:#C9DCDA;text-decoration:none;padding:9px 12px;border-radius:9px;font-size:.95rem;margin-bottom:2px}
.sidebar a.on,.sidebar a:hover{background:rgba(255,255,255,.1);color:#fff}
.admin-main{padding:26px 24px 50px;max-width:1100px;width:100%}
.admin-main h1{font-size:1.6rem}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:26px}
.stat{background:var(--card);border-radius:14px;padding:16px 18px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:1.8rem;font-family:var(--serif);color:var(--teal)}
.stat span{font-size:.85rem;color:var(--muted)}
.panel{background:var(--card);border-radius:16px;box-shadow:var(--shadow);padding:20px;margin-bottom:22px}
.panel h2{font-size:1.15rem}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700}
tr:last-child td{border-bottom:0}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700}
.pill.on{background:var(--ok-soft);color:var(--ok)} .pill.off{background:var(--err-soft);color:var(--err)} .pill.grey{background:#EEE;color:#666}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.row-actions form{margin:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.toolbar .form{display:flex;gap:8px;margin:0}
.toolbar .form input{margin:0;padding:9px 12px}
.img-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin:6px 0 14px}
.img-pick label{margin:0;cursor:pointer;border:2px solid var(--line);border-radius:10px;padding:4px;font-size:.72rem;text-align:center;color:var(--muted);background:#FBF7F0}
.img-pick input{display:none}
.img-pick input:checked+img{outline:3px solid var(--coral);outline-offset:2px;border-radius:6px}
.ex-admin{border:1.5px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px}
.ex-admin summary{cursor:pointer;font-weight:700;color:var(--teal)}
.check{display:flex!important;align-items:center;gap:8px}
.check input{width:auto!important;margin:0!important}

@media (max-width:760px){
  body{font-size:16px}
  .hero{grid-template-columns:1fr;padding:22px}
  .hero-illu{order:-1}
  .prose,.ex-body{padding:18px}
  .admin-shell{grid-template-columns:1fr}
  .sidebar{display:flex;overflow-x:auto;gap:4px;padding:8px}
  .sidebar a{white-space:nowrap;margin:0}
  .admin-main{padding:18px 14px 40px}
  .grid-2{grid-template-columns:1fr}
  .topnav a{padding:6px 8px;font-size:.85rem}
  .topbar{padding:12px 14px}
  .brand{font-size:1rem}
  .topnav .hide-sm{display:none}
}