/* DT Suite — thème partagé (connexion, hub, panel admin). */
:root{
  --bg:#F3F7FD;
  --surface:#FFFFFF;
  --surface-2:#E9F1FC;
  --surface-3:#D7E6F9;
  --border:#C6D9F1;
  --text:#0F2140;
  --text-muted:#57698C;
  --accent:#1657D0;
  --accent-strong:#0F3F9E;
  --accent-soft:#E1EBFC;
  --good:#1F8A5D;
  --good-soft:#E4F5EC;
  --warn:#B8790A;
  --danger:#B23A2E;
  --danger-soft:#FBE9E6;
  --shadow: 0 1px 2px rgba(15,33,64,.06), 0 6px 16px -8px rgba(15,33,64,.14);
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0A1730;
    --surface:#0F2140;
    --surface-2:#142A4E;
    --surface-3:#1B355E;
    --border:#254480;
    --text:#EAF1FF;
    --text-muted:#9DB2D9;
    --accent:#4C8DFF;
    --accent-strong:#79ABFF;
    --accent-soft:rgba(76,141,255,.16);
    --good:#4FCB90;
    --good-soft:rgba(79,203,144,.14);
    --warn:#E3B23C;
    --danger:#E2695A;
    --danger-soft:rgba(226,105,90,.14);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 20px -8px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}

*{ box-sizing:border-box; }
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:'Public Sans', system-ui, sans-serif; font-size:14px; line-height:1.5;
}
h1,h2,h3{ font-family:'Archivo', system-ui, sans-serif; text-wrap:balance; margin:0; }
a{ color:var(--accent-strong); }
code{ font-family:'IBM Plex Mono', ui-monospace, monospace; background:var(--surface-3); border-radius:4px; padding:1px 6px; font-size:.95em; }
:focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }
@media (prefers-reduced-motion: reduce){ *{ animation-duration:.01ms !important; transition-duration:.01ms !important; } }

/* ---------- brand ---------- */
.brand-mark{ font-family:'Archivo'; font-weight:800; font-size:20px; letter-spacing:.02em; color:var(--text); }
.brand-mark .dt{ color:var(--accent); }

/* ---------- auth pages (login / change-password) ---------- */
.auth-body{ display:flex; align-items:center; justify-content:center; min-height:100vh; padding:24px; }
.auth-card{
  width:100%; max-width:380px; background:var(--surface); border:1px solid var(--border);
  border-radius:14px; box-shadow:var(--shadow); padding:32px 30px 28px;
}
.auth-tag{ color:var(--text-muted); font-size:13px; margin:4px 0 22px; }
.field-label{ display:block; font-size:11.5px; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:.04em; margin:14px 0 5px; }
.field-input{
  width:100%; font-family:'Public Sans'; font-size:14px; padding:10px 12px; border-radius:8px;
  border:1px solid var(--border); background:var(--bg); color:var(--text);
}
.btn-submit{
  width:100%; margin-top:20px; padding:11px 14px; border-radius:8px; border:1px solid var(--accent);
  background:var(--accent); color:#fff; font-weight:700; font-size:14px; cursor:pointer;
}
.btn-submit:hover{ background:var(--accent-strong); border-color:var(--accent-strong); }
.auth-footnote{ margin:20px 0 0; font-size:12px; color:var(--text-muted); text-align:center; }
.alert{ padding:10px 12px; border-radius:8px; font-size:13px; margin-bottom:6px; }
.alert-error{ background:var(--danger-soft); color:var(--danger); }
.alert-success{ background:var(--good-soft); color:var(--good); }
.alert code{ background:rgba(0,0,0,.08); }

/* ---------- hub layout ---------- */
.hub-header{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:16px 28px; background:var(--surface); border-bottom:1px solid var(--border);
}
.hub-nav{ display:flex; align-items:center; gap:18px; font-size:13.5px; }
.hub-nav a{ color:var(--text-muted); font-weight:600; text-decoration:none; }
.hub-nav a:hover{ color:var(--accent-strong); }
.hub-user{ color:var(--text-muted); font-size:13px; }
.hub-main{ max-width:1100px; margin:0 auto; padding:36px 28px 60px; }
.hub-main h1{ font-size:22px; font-weight:800; }
.hub-main p.lead{ color:var(--text-muted); margin:6px 0 30px; }

.tool-grid{ display:grid; grid-template-columns:repeat(auto-fill, minmax(240px, 1fr)); gap:18px; }
.tool-card{
  display:flex; flex-direction:column; gap:10px; background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); box-shadow:var(--shadow); padding:20px; text-decoration:none; color:var(--text);
}
.tool-card:hover{ border-color:var(--accent); }
.tool-card .emoji{ font-size:28px; }
.tool-card h3{ font-size:16px; }
.tool-card p{ margin:0; font-size:13px; color:var(--text-muted); line-height:1.5; }
.tool-card .open{ margin-top:auto; font-size:12.5px; font-weight:700; color:var(--accent-strong); }

/* ---------- admin ---------- */
.admin-main{ max-width:960px; margin:0 auto; padding:36px 28px 60px; }
.admin-head{ display:flex; align-items:center; justify-content:space-between; gap:16px; margin-bottom:20px; flex-wrap:wrap; }
.card{ background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); box-shadow:var(--shadow); padding:20px; }
.card + .card{ margin-top:18px; }
table{ width:100%; border-collapse:collapse; font-size:13.5px; }
th{ text-align:left; font-size:11px; text-transform:uppercase; letter-spacing:.05em; color:var(--text-muted); font-weight:600; padding:8px; border-bottom:1px solid var(--border); }
td{ padding:10px 8px; border-bottom:1px solid var(--border); vertical-align:middle; }
tr:last-child td{ border-bottom:none; }
.tbl-wrap{ overflow-x:auto; }
.pill{ display:inline-flex; align-items:center; padding:2px 9px; border-radius:20px; font-size:11px; font-weight:600; }
.pill.green{ background:var(--accent-soft); color:var(--accent-strong); }
.pill.warn{ background:rgba(184,121,10,.14); color:var(--warn); }
.pill.muted{ background:var(--surface-2); color:var(--text-muted); border:1px solid var(--border); }
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:6px; padding:8px 13px; border-radius:8px;
  border:1px solid var(--border); background:var(--surface-2); color:var(--text); font-weight:600; font-size:13px; cursor:pointer; text-decoration:none;
}
.btn:hover{ background:var(--surface-3); }
.btn.primary{ background:var(--accent); border-color:var(--accent); color:#fff; }
.btn.primary:hover{ background:var(--accent-strong); border-color:var(--accent-strong); }
.btn.sm{ padding:5px 10px; font-size:12px; border-radius:6px; }
.btn.danger{ background:transparent; border-color:var(--danger); color:var(--danger); }
.btn.danger:hover{ background:var(--danger-soft); }
.inline-form{ display:inline; }
.row{ display:grid; gap:12px; }
.row.c2{ grid-template-columns:1fr 1fr; }
@media (max-width:560px){ .row.c2{ grid-template-columns:1fr; } }
.field{ display:flex; flex-direction:column; gap:5px; }
.field label{ font-size:11.5px; font-weight:600; color:var(--text-muted); text-transform:uppercase; letter-spacing:.04em; }
.field select, .field input[type="text"], .field input[type="email"]{
  font-family:'Public Sans'; font-size:14px; padding:8px 10px; border-radius:7px; border:1px solid var(--border); background:var(--bg); color:var(--text);
}
.note{ font-size:11.5px; color:var(--text-muted); background:var(--surface-2); border:1px solid var(--border); border-radius:8px; padding:9px 11px; margin-top:12px; }