:root{
  --bg:#f6f6f8;
  --card:#ffffff;
  --ink:#1a1a1a;
  --ink-soft:#4a4a55;
  --muted:#8a8a95;
  --border:#e6e6ec;
  --red:#c2202c;
  --red-soft:#fbeaec;
  --green:#1f7a3e;
  --green-soft:#e6f5ec;
  --warning:#8a6500;
  --warning-soft:#fff5d6;
  --sidebar-w:260px;
  --radius:10px;
  --shadow:0 1px 3px rgba(20,20,30,.04), 0 4px 14px rgba(20,20,30,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.5}
a{color:var(--ink);text-decoration:none}
a:hover{color:var(--red)}
button{font-family:inherit;font-size:inherit;cursor:pointer}

.sidebar{
  position:fixed;inset:0 auto 0 0;width:var(--sidebar-w);background:#fff;border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:1.8rem 1.2rem 1.2rem;z-index:10;
}
.sidebar-brand{font-weight:300;font-size:1.15rem;margin-bottom:2.2rem;letter-spacing:.5px}
.sidebar-brand .brand-red{color:var(--red);font-weight:300}
.sidebar-brand .brand-sep{color:var(--border);margin:0 .5rem}
.sidebar-brand .brand-sub{color:var(--muted);font-size:.85rem;letter-spacing:2px;text-transform:uppercase}
.sidebar-nav{display:flex;flex-direction:column;gap:2px;flex:1}
.sidebar-nav a{
  padding:.65rem .9rem;border-radius:8px;color:var(--ink-soft);font-weight:500;font-size:.93rem;
}
.sidebar-nav a:hover{background:var(--bg);color:var(--ink)}
.sidebar-nav a.active{background:var(--ink);color:#fff}
.sidebar-foot{border-top:1px solid var(--border);padding-top:1rem;margin-top:1rem;font-size:.85rem;color:var(--muted)}
.sidebar-user{color:var(--ink);font-weight:600;margin-bottom:.2rem}
.sidebar-link{display:block;color:var(--muted);margin-bottom:.7rem}
.sidebar-logout{
  border:1px solid var(--border);background:#fff;color:var(--ink-soft);padding:.45rem .9rem;border-radius:6px;width:100%;
}
.sidebar-logout:hover{border-color:var(--red);color:var(--red)}

.main{margin-left:var(--sidebar-w);padding:2.2rem 2.6rem;min-height:100vh}

h1.page-title{font-size:1.7rem;font-weight:600;margin:0 0 .3rem}
.page-sub{color:var(--muted);margin:0 0 1.8rem;font-size:.98rem}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.6rem 1.8rem;box-shadow:var(--shadow);margin-bottom:1.4rem}
.card-title{font-weight:600;font-size:1.05rem;margin:0 0 1.1rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.card-sub{color:var(--muted);font-size:.9rem;margin:-.9rem 0 1rem}

.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem;margin-bottom:1.6rem}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem 1.3rem;box-shadow:var(--shadow)}
.stat-label{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:1.2px;font-weight:600;margin-bottom:.6rem}
.stat-value{font-size:2rem;font-weight:600;color:var(--ink);line-height:1}
.stat-delta{font-size:.8rem;color:var(--muted);margin-top:.35rem}
.stat-delta.pos{color:var(--green)}
.stat-delta.neg{color:var(--red)}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form-group{margin-bottom:1rem;display:flex;flex-direction:column;gap:.35rem}
.form-label{font-size:.85rem;font-weight:500;color:var(--ink-soft)}
.form-help{font-size:.8rem;color:var(--muted)}
.form-input,.form-select,.form-textarea{
  border:1px solid var(--border);background:#fff;border-radius:8px;padding:.6rem .8rem;font-size:.95rem;
  width:100%;color:var(--ink);transition:border-color .15s,box-shadow .15s;font-family:inherit;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 3px rgba(26,26,26,.08)}
.form-textarea{min-height:110px;resize:vertical}
.form-submit{
  background:var(--ink);color:#fff;border:none;padding:.7rem 1.3rem;border-radius:8px;font-weight:600;font-size:.95rem;
}
.form-submit:hover{background:var(--red)}
.form-cancel{
  background:#fff;border:1px solid var(--border);color:var(--ink-soft);padding:.7rem 1.3rem;border-radius:8px;font-weight:500;margin-right:.5rem;
  text-decoration:none;display:inline-block;
}
.form-cancel:hover{border-color:var(--ink-soft);color:var(--ink)}

.flash-stack{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.2rem}
.flash{padding:.8rem 1rem;border-radius:8px;font-size:.92rem;border:1px solid transparent}
.flash-success{background:var(--green-soft);color:var(--green);border-color:#bfe2ca}
.flash-error{background:var(--red-soft);color:var(--red);border-color:#efc2c6}
.flash-info{background:#e7edfa;color:#1c3d7a;border-color:#c6d4ee}

.btn{display:inline-block;background:var(--ink);color:#fff;padding:.55rem 1.1rem;border-radius:8px;font-weight:500;font-size:.9rem;border:none;text-decoration:none}
.btn:hover{background:var(--red);color:#fff}
.btn-ghost{background:#fff;color:var(--ink-soft);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg);color:var(--ink)}
.btn-danger{background:var(--red)}
.btn-danger:hover{background:#8e1820}
.btn-sm{padding:.35rem .8rem;font-size:.82rem}

table.data{width:100%;border-collapse:collapse;font-size:.9rem}
table.data th{text-align:left;color:var(--muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:1px;padding:.7rem .5rem;border-bottom:1px solid var(--border)}
table.data td{padding:.8rem .5rem;border-bottom:1px solid var(--border);vertical-align:middle}
table.data tr:hover td{background:#fafafc}
.tag{display:inline-block;padding:.22rem .55rem;border-radius:999px;font-size:.72rem;letter-spacing:.5px;text-transform:uppercase;font-weight:600;background:var(--bg);color:var(--ink-soft)}
.tag-associe      {background:#fff4d6;color:#7a5400}
.tag-collaborateur{background:#e7edfa;color:#1c3d7a}
.tag-stagiaire    {background:#eaf7ee;color:#185c2e}
.tag-support      {background:#f2e7fa;color:#4a1c7a}
.tag-admin        {background:var(--red-soft);color:var(--red)}
.tag-user         {background:var(--bg);color:var(--ink-soft)}

.team-row-photo{width:42px;height:42px;border-radius:50%;overflow:hidden;background:#eee;display:flex;align-items:center;justify-content:center;color:var(--muted);font-weight:600}
.team-row-photo img{width:100%;height:100%;object-fit:cover}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem;background:linear-gradient(180deg,#fafafc,#f0f0f4)}
.login-card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:2.5rem 2.2rem;width:100%;max-width:400px;box-shadow:var(--shadow)}
.login-brand{text-align:center;margin-bottom:2rem}
.login-brand-line{color:var(--red);font-weight:300;font-size:1.5rem;letter-spacing:2px;font-family:'Raleway',sans-serif}
.login-brand-sub{color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:4px;margin-top:.4rem}

.chart-host{width:100%;height:280px;position:relative}

@media (max-width: 1100px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 800px){
  .sidebar{position:static;width:100%;flex-direction:row;flex-wrap:wrap;padding:1rem;border-right:0;border-bottom:1px solid var(--border)}
  .sidebar-brand{width:100%;margin-bottom:1rem}
  .sidebar-nav{flex-direction:row;flex-wrap:wrap;gap:0}
  .sidebar-nav a{padding:.4rem .7rem}
  .sidebar-foot{width:100%;margin-top:1rem}
  .main{margin-left:0;padding:1.2rem}
  .form-row{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
}