/* Samatsa — design system. Blanc/noir + bleu marine #012D5B. Bebas Neue (titres) + Jost (corps). */
:root{
  --paper:#F4F6F9; --paper-2:#EAEEF4; --panel:#FFFFFF;
  --ink:#0B1320; --ink-soft:#56606E; --ink-faint:#8A95A4;
  --line:#E2E7EE; --line-soft:#EEF1F6;
  --navy:#012D5B; --navy-deep:#001D3D; --navy-soft:#E7EEF6; --navy-mid:#3A5C86;
  --ok:#2E7D52; --ok-soft:#E3F1E9; --warn:#B9842E; --danger:#C0392B; --danger-soft:#F8E6E4;
  --r:14px; --r-sm:10px; --shadow:0 1px 2px rgba(11,19,32,.04),0 8px 24px rgba(11,19,32,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--paper); color:var(--ink);
  font-family:'Jost',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:15px; line-height:1.55; -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:'Bebas Neue',Impact,sans-serif;font-weight:400;letter-spacing:.02em;line-height:1.04;margin:0}
h1{font-size:38px} h2{font-size:26px} h3{font-size:20px}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--ink-soft)} .faint{color:var(--ink-faint)} .small{font-size:13px}
.up{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:600;color:var(--navy-mid)}

/* layout */
.wrap{max-width:1060px;margin:0 auto;padding:24px 20px 80px}
.bar{display:flex;align-items:center;gap:14px;padding:14px 20px;background:var(--panel);border-bottom:1px solid var(--line)}
.bar .brand{display:flex;align-items:center;gap:10px}
.bar .logo{width:34px;height:34px;border-radius:8px;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:'Bebas Neue';font-size:20px;letter-spacing:.06em}
.bar .name{font-family:'Bebas Neue';font-size:22px;letter-spacing:.04em}
.bar .name small{display:block;font-family:'Jost';font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint);margin-top:-3px}
.bar .spacer{flex:1}

/* cards */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card.pad{padding:20px}
.grid{display:grid;gap:16px}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--navy);background:var(--navy);color:#fff;
  font-family:'Jost';font-weight:600;font-size:14px;padding:10px 18px;border-radius:100px;cursor:pointer;transition:.15s}
.btn:hover{background:var(--navy-deep);text-decoration:none}
.btn.ghost{background:transparent;color:var(--navy)}
.btn.ghost:hover{background:var(--navy-soft)}
.btn.subtle{background:var(--paper-2);color:var(--ink);border-color:var(--line)}
.btn.subtle:hover{background:var(--line)}
.btn.ok{background:var(--ok);border-color:var(--ok)}
.btn.sm{padding:7px 14px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* inputs */
label.fld{display:block;margin-bottom:12px}
label.fld span{display:block;font-size:12px;font-weight:600;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.08em;margin-bottom:5px}
input,select,textarea{width:100%;font-family:'Jost';font-size:15px;color:var(--ink);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;outline:none;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--navy);box-shadow:0 0 0 3px var(--navy-soft)}
textarea{resize:vertical;min-height:72px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* tags / pills */
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 11px;border-radius:100px;background:var(--navy-soft);color:var(--navy)}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.warn{background:#FBF1DD;color:var(--warn)}
.pill.gray{background:var(--paper-2);color:var(--ink-soft)}

/* table-ish list */
.list-item{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--line-soft);cursor:pointer}
.list-item:last-child{border-bottom:0}
.list-item:hover{background:var(--paper)}
.avatar{width:40px;height:40px;border-radius:10px;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:'Bebas Neue';font-size:18px;flex:none}

/* devoir block */
.devoir{border:1px solid var(--line);border-radius:var(--r-sm);padding:14px;margin-bottom:10px;background:#fff}
.devoir .top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.devoir .type{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--navy-mid)}
.devoir h4{margin:2px 0 4px;font-size:16px}
.devoir .dose{font-size:13px;color:var(--ink-soft)}

/* week tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.tab{padding:8px 16px;border-radius:100px;border:1px solid var(--line);background:#fff;cursor:pointer;font-weight:600;font-size:14px}
.tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}

/* chat */
.chat{border:1px solid var(--line);border-radius:var(--r-sm);background:var(--paper);padding:12px;max-height:280px;overflow:auto}
.msg{margin-bottom:10px} .msg .who{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint)}
.msg.coach .bubble{background:var(--navy);color:#fff} .msg .bubble{display:inline-block;padding:8px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);margin-top:2px}

/* misc */
.spinner{width:16px;height:16px;border:2px solid var(--navy-soft);border-top-color:var(--navy);border-radius:50%;display:inline-block;animation:spin .7s linear infinite;vertical-align:-2px}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{text-align:center;padding:48px 20px;color:var(--ink-faint)}
.divider{height:1px;background:var(--line);margin:20px 0}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 20px;border-radius:100px;font-size:14px;box-shadow:var(--shadow);opacity:0;transition:.25s;z-index:50}
.toast.show{opacity:1}
@media(max-width:640px){.two{grid-template-columns:1fr}.wrap{padding:16px 14px 60px}h1{font-size:32px}}

/* ajouts plateforme étendue */
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:560px){.three{grid-template-columns:1fr}}
.big{font-size:30px;font-weight:700;font-family:'Bebas Neue',sans-serif;line-height:1}