:root{
  --blue:#2f7ded;      /* bleu du logo */
  --blue-d:#1d62c9;
  --blue-l:#9ac3f4;    /* bleu clair du logo */
  --blue-xl:#eaf3fe;
  --ink:#0a0a0a;
  --muted:#5b6b82;
  --line:#dce8f8;
  --bg:#f5f9ff;
  --card:#fff;
  --danger:#c93a3a;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:15px/1.5 Outfit,system-ui,sans-serif;color:var(--ink);background:var(--bg)}
h1{font:600 1.5rem/1.2 Fraunces,Georgia,serif;margin:0 0 .6rem;letter-spacing:-.01em}
h1 small{font:500 .8rem Outfit,sans-serif;color:var(--blue-d);background:var(--blue-xl);padding:.1rem .55rem;border-radius:99px;vertical-align:middle;margin-left:.4rem}
a{color:var(--blue-d)}
.ic{width:18px;height:18px;flex:none}
.muted{color:var(--muted)}.small{font-size:.85rem}.center{text-align:center;display:block}

/* boutons */
.btn,button.acct{font:500 .92rem Outfit,sans-serif;cursor:pointer}
.btn{display:inline-flex;align-items:center;gap:.45rem;padding:.55rem .95rem;border-radius:10px;border:1.5px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;transition:.15s}
.btn:hover{border-color:var(--blue);color:var(--blue-d)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.primary:hover{background:var(--blue-d);border-color:var(--blue-d);color:#fff}
.btn.danger:hover{border-color:var(--danger);color:var(--danger)}
.btn.wide{width:100%;justify-content:center}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px rgba(47,125,237,.05),0 8px 24px -16px rgba(47,125,237,.25)}

/* connexion */
.login{min-height:100%;display:grid;place-items:center;padding:1.5rem;background:radial-gradient(1000px 500px at 50% -10%,var(--blue-xl),transparent),var(--bg)}
.login .card{width:min(420px,100%);padding:2rem;display:flex;flex-direction:column;gap:.9rem}
.login-logo{width:210px;max-width:70%;align-self:center}
.login h1{text-align:center;font-size:1.35rem}
.hint{font-size:.8rem;color:var(--muted);text-align:center;margin:.2rem 0 0}
label{display:flex;flex-direction:column;gap:.3rem;font-weight:500;font-size:.88rem}
input,textarea{font:inherit;padding:.65rem .8rem;border:1.5px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(47,125,237,.18)}
.alert{background:#fdecec;color:#8f2020;border:1px solid #f3c5c5;border-radius:10px;padding:.6rem .8rem;margin:0;font-size:.9rem}
.flash{background:var(--blue-xl);border:1px solid var(--blue-l);color:var(--blue-d);border-radius:10px;padding:.6rem .9rem;margin:0 0 1rem}

/* app */
.app{display:grid;grid-template-columns:272px 1fr;min-height:100%}
.side{background:#fff;border-right:1px solid var(--line);padding:1.1rem;display:flex;flex-direction:column;gap:1rem;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:.7rem}
.brand img{width:46px;height:auto;border-radius:8px}
.brand strong{display:block;font:600 1rem Outfit;letter-spacing:.12em}
.brand span{font-size:.78rem;color:var(--muted)}
nav{display:flex;flex-direction:column;gap:2px}
.nav{display:flex;align-items:center;gap:.65rem;padding:.55rem .75rem;border-radius:10px;color:var(--ink);text-decoration:none}
.nav:hover{background:var(--blue-xl)}
.nav.on{background:var(--blue-l);font-weight:600}
.nav .badge{margin-left:auto;background:var(--blue);color:#fff;font:600 .72rem Outfit;padding:.05rem .5rem;border-radius:99px}
.accts{margin-top:auto;display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line);padding-top:.8rem}
.accts small{color:var(--muted);text-transform:uppercase;letter-spacing:.1em;font-size:.68rem;margin-bottom:.2rem}
.acct{display:flex;align-items:center;gap:.5rem;padding:.4rem .6rem;border-radius:8px;color:var(--ink);text-decoration:none;font-size:.85rem;border:0;background:none;width:100%;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.acct:hover{background:var(--blue-xl)}
.acct .dot{width:8px;height:8px;border-radius:50%;background:var(--blue-l);flex:none}
.acct.on{font-weight:600}.acct.on .dot{background:var(--blue)}
.acct.add,.acct.out{color:var(--muted)}
.main{padding:1.5rem clamp(1rem,3vw,2.5rem);min-width:0}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin-bottom:1rem}
.bar h1{margin:0;margin-right:auto}
.bar form{display:inline-flex;gap:.5rem}
.search input{width:min(320px,100%)}

/* liste (style Gmail) */
.chips{display:flex;gap:.4rem;margin-bottom:.8rem}
.chip2{padding:.3rem .85rem;border-radius:99px;border:1.5px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;font-size:.85rem}
.chip2:hover{border-color:var(--blue)}
.chip2.on{background:var(--blue-l);border-color:var(--blue-l);font-weight:600}
.toolbar{display:flex;align-items:center;gap:.4rem;padding:.4rem .7rem;margin-bottom:.6rem;flex-wrap:wrap}
.toolbar .btn{padding:.35rem .6rem;font-size:.85rem}
.toolbar .btn:disabled{opacity:.4;cursor:default;pointer-events:none}
.toolbar select{font:inherit;font-size:.85rem;padding:.35rem .5rem;border:1.5px solid var(--line);border-radius:10px;background:#fff;margin-left:.4rem}
.chk{display:inline-flex;align-items:center;justify-content:center;width:28px;cursor:pointer}
.chk input{width:16px;height:16px;padding:0;accent-color:var(--blue)}
.list{overflow:hidden}
.row{display:grid;grid-template-columns:32px 30px 1fr;align-items:center;border-bottom:1px solid var(--line);padding-left:.4rem}
.row:last-child{border-bottom:0}
.row.read{background:#f4f8fe}
.row:hover{box-shadow:inset 0 0 0 1.5px var(--blue-l)}
.row.picked{background:var(--blue-xl)}
.row.kb{box-shadow:inset 3px 0 0 var(--blue)}
.rl{display:grid;grid-template-columns:34px minmax(110px,210px) 1fr auto;gap:.8rem;align-items:center;padding:.6rem .8rem .6rem .2rem;color:var(--ink);text-decoration:none;min-width:0}
.rl>*{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rl time{color:var(--muted);font-size:.82rem}
.row .sub{color:var(--muted)}
.row.unread .who,.row.unread .sub{font-weight:600;color:var(--ink)}
.row.unread time{color:var(--ink);font-weight:600}
.av{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:50%;color:#fff;font:600 .9rem Outfit,sans-serif;flex:none}
.star{border:0;background:none;color:#b9c9e0;cursor:pointer;padding:3px;border-radius:6px;display:inline-grid;place-items:center}
.star:hover{color:var(--blue)}
.star.on{color:#2f7ded}.star.on .ic{fill:currentColor}
.empty{text-align:center;color:var(--muted);padding:3rem 1rem;margin:0}
.empty .ic{width:36px;height:36px;color:var(--blue-l)}
.pager{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1rem;color:var(--muted)}
.newmail{position:sticky;top:.5rem;z-index:5;margin-bottom:.8rem}
.newmail a{display:block;text-align:center;background:var(--blue);color:#fff;border-radius:10px;padding:.55rem;text-decoration:none;font-weight:500;box-shadow:0 6px 20px -8px rgba(47,125,237,.6)}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:1.5rem;background:var(--ink);color:#fff;padding:.7rem 1.1rem;border-radius:12px;display:flex;gap:1rem;align-items:center;z-index:20}
.toast button{background:none;border:0;color:var(--blue-l);font:600 .9rem Outfit;cursor:pointer}
.compose.sending{opacity:.55;pointer-events:none}
.setcard{max-width:640px;padding:1.2rem 1.4rem;margin-bottom:1rem;display:flex;flex-direction:column;gap:.6rem}
.setcard h2{font:600 1.1rem Fraunces,Georgia,serif;margin:0}
.setcard p{margin:0}
kbd{background:var(--blue-xl);border:1px solid var(--blue-l);border-bottom-width:2px;border-radius:5px;padding:0 .35rem;font:500 .8rem Outfit,monospace}
.sublinks{display:flex;flex-direction:column;gap:2px;margin-top:-.4rem}
.msghead{display:flex;align-items:flex-start;gap:.6rem;justify-content:space-between}
.sender{display:flex;align-items:center;gap:.8rem;margin:.4rem 0 1rem}
.sender>div{flex:1;min-width:0}
.sender time{white-space:nowrap}

/* message */
.msg{padding:1.4rem 1.6rem}
.msg dl{display:grid;grid-template-columns:auto 1fr;gap:.15rem 1rem;margin:.5rem 0 1rem;font-size:.9rem}
.msg dt{color:var(--muted)}.msg dd{margin:0;word-break:break-word}
.atts{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
.chip{display:inline-flex;align-items:center;gap:.4rem;padding:.35rem .7rem;border-radius:99px;background:var(--blue-xl);border:1px solid var(--blue-l);color:var(--blue-d);text-decoration:none;font-size:.85rem}
.chip small{color:var(--muted)}
iframe.body{width:100%;min-height:68vh;border:1px solid var(--line);border-radius:10px;background:#fff}
.plain{white-space:pre-wrap;word-wrap:break-word;font:inherit;margin:0;padding:.5rem 0}

/* composer */
.compose{padding:1.4rem 1.6rem;display:flex;flex-direction:column;gap:.8rem;max-width:860px}
.compose .from{color:var(--muted);font-size:.9rem}
.compose textarea{resize:vertical;min-height:260px}
.file{flex-direction:row;align-items:center;gap:.5rem;color:var(--blue-d);cursor:pointer}
.file input{border:0;padding:0;width:auto}
.actions{display:flex;gap:.6rem}

.nav.sub{color:var(--muted);font-size:.88rem;margin-top:.4rem}
.bar select{font:inherit;padding:.5rem .6rem;border:1.5px solid var(--line);border-radius:10px;background:#fff}
.mv{align-items:center}
.fnew{display:flex;gap:.6rem;padding:1rem;margin-bottom:1rem;max-width:640px}
.flist{max-width:640px;overflow:hidden}
.frow{display:flex;align-items:center;gap:.7rem;padding:.7rem 1rem;border-bottom:1px solid var(--line)}
.frow:last-child{border-bottom:0}
.frow form{display:flex;gap:.5rem;align-items:center}
.frow form:first-of-type{flex:1}
.frow .fname{flex:1;font-weight:500}
.frow .ic{color:var(--blue)}

@media (max-width:820px){
  .app{grid-template-columns:1fr}
  .side{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}
  nav{flex-direction:row;overflow-x:auto;gap:4px}
  .nav{white-space:nowrap}
  .rl{grid-template-columns:34px 1fr auto}
  .rl .sub{grid-column:2/-1;grid-row:2}
  .rl .who{grid-column:2}
  .rl time{grid-column:3;grid-row:1}
}