:root{
  --bg:#f6f7fb; --card:#ffffff; --ink:#0f172a; --muted:#667085; --line:#e6eaf2;
  --accent:#111827; --accent-ink:#fff; --radius:14px; --shadow:0 8px 28px rgba(16,24,40,.06);
  --focus:#2563eb;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:16px}
.hidden{display:none!important}
.error{color:#b91c1c}
.success{color:#166534}

.navbar{background:#0b1220;color:#e5e7eb;padding:14px 18px;box-shadow:var(--shadow)}
.navbar .wrap{display:flex;align-items:center;gap:12px;justify-content:space-between;max-width:1200px;margin:0 auto}
.brand{font-weight:700;letter-spacing:.2px}
.user{font-size:14px;opacity:.9}

.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow); padding:18px; margin:14px 0;
}

.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.toolbar .spacer{flex:1 1 auto}
input,select,button,textarea{
  padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fbfcfe;font:inherit
}
input:focus,select:focus,textarea:focus,button:focus{outline:2px solid var(--focus);outline-offset:2px}
button{cursor:pointer}
button.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
button.ghost{background:transparent}
button.link{background:transparent;border:none;color:#2563eb;padding:0 4px}

.table-wrap{overflow:auto;border-radius:12px;border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;background:var(--card)}
thead th{background:#f3f4f6;font-weight:600;padding:12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
td{padding:12px;border-bottom:1px solid var(--line);vertical-align:top}
tr:hover{background:#fafcff}

.badge{display:inline-block;padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:#f8fafc;font-size:12px;color:#374151}

.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width: 980px){.grid{grid-template-columns:1fr}}

.form{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px}
.form .row{grid-column:span 6}
.form .row-12{grid-column:span 12}
@media (max-width: 760px){.form .row{grid-column:span 12}}

.label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.meta{color:var(--muted);font-size:13px}

.fullscreen-center{min-height:calc(100dvh - 56px);display:flex;align-items:center;justify-content:center}
.login-card{width:min(560px,94vw);padding:0}
.login-head{padding:24px;border-bottom:1px solid var(--line);display:flex;gap:12px;align-items:center}
.logo{width:40px;height:40px;border-radius:12px;background:#0b1220}
.login-body{padding:22px}
.login-actions{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-top:6px}

@media (max-width:760px){
  thead{display:none}
  table, tbody, tr, td{display:block;width:100%}
  tr{border-bottom:1px solid var(--line);padding:8px 10px}
  td{border:none;padding:8px 0;display:flex;gap:8px;justify-content:space-between}
  td::before{content: attr(data-label);font-weight:600;color:#475467}
}

.back-row{display:flex;align-items:center;gap:10px;margin:8px 0}
.back-row a{padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:#fff}
.divider{height:1px;background:var(--line);margin:10px 0}

/* Commentaires */
.comments-list{display:flex;flex-direction:column;gap:10px}
.comment{border:1px solid var(--line);border-radius:10px;padding:10px;background:#fcfdff}
.comment .by{font-size:12px;color:#475467;margin-top:4px}
.comment-form{display:flex;gap:8px;align-items:flex-start}
.comment-form textarea{flex:1;min-height:70px;resize:vertical}

/* Ligne cliquable + action */
tr[data-id]:hover { background:#eef2ff; cursor:pointer; }
tr[data-id] td:last-child button { visibility:hidden; transition:all .2s ease; }
tr[data-id]:hover td:last-child button { visibility:visible; }

/* Bouton "Nouveau dossier" stylé */
#btn-new {
  --grad1:#111827; --grad2:#334155;
  border:0; font-weight:700; letter-spacing:.2px;
  background:linear-gradient(90deg,var(--grad1),var(--grad2));
  color:#fff; border:1px solid rgba(255,255,255,.08);
  box-shadow:0 8px 20px rgba(17,24,39,.25), inset 0 1px 0 rgba(255,255,255,.15);
  border-radius:12px; padding:10px 14px; position:relative; overflow:hidden;
}
#btn-new::before{ content:"＋"; margin-right:8px; font-weight:900; }
#btn-new:hover{ filter:brightness(1.06); transform:translateY(-1px);
  transition:transform .12s ease, filter .12s ease; }