/* ===================================================================
   MaintiTag — Design system
   =================================================================== */
:root{
  --bg:#f4f6fb; --surface:#ffffff; --surface-2:#f8fafc;
  --border:#e4e8f0; --border-strong:#cdd5e3;
  --text:#1a2433; --muted:#64748b; --muted-2:#94a3b8;
  --primary:#2563eb; --primary-dark:#1d4ed8; --primary-light:#eff5ff;
  --success:#16a34a; --success-light:#e9f8ef;
  --warning:#d97706; --warning-light:#fef5e7;
  --danger:#dc2626; --danger-light:#fdecec;
  --info:#0891b2; --info-light:#e6f7fb;
  --radius:12px; --radius-sm:8px; --radius-lg:18px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --shadow:0 4px 16px rgba(16,24,40,.08);
  --shadow-lg:0 12px 32px rgba(16,24,40,.12);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.25;font-weight:700;color:var(--text)}
h1{font-size:1.7rem}h2{font-size:1.3rem}h3{font-size:1.1rem}
small{color:var(--muted)}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.text-center{text-align:center}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}.mt-4{margin-top:32px}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-1{gap:8px}.gap-2{gap:16px}.gap-3{gap:24px}.flex-wrap{flex-wrap:wrap}
.grid{display:grid;gap:20px}
.hidden{display:none}

/* --- Boutons --- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:.95rem;padding:10px 18px;border-radius:var(--radius-sm);
  border:1px solid transparent;cursor:pointer;transition:.15s;white-space:nowrap;
  text-decoration:none;line-height:1.2}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-light{background:var(--surface);color:var(--text);border-color:var(--border-strong)}
.btn-light:hover{background:var(--surface-2)}
.btn-ghost{background:transparent;color:var(--muted)}
.btn-ghost:hover{background:var(--surface-2);color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#b91c1c;color:#fff}
.btn-success{background:var(--success);color:#fff}
.btn-sm{padding:6px 12px;font-size:.85rem}
.btn-lg{padding:13px 26px;font-size:1.05rem}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed}

/* --- Cartes --- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow-sm)}
.card-pad{padding:22px}
.card-head{padding:18px 22px;border-bottom:1px solid var(--border);display:flex;
  align-items:center;justify-content:space-between;gap:12px}
.card-head h2,.card-head h3{margin:0}
.card-body{padding:22px}

/* --- Badges --- */
.badge{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;font-weight:600;
  padding:3px 10px;border-radius:999px;background:var(--surface-2);color:var(--muted);
  border:1px solid var(--border)}
.badge-success{background:var(--success-light);color:var(--success);border-color:transparent}
.badge-warning{background:var(--warning-light);color:var(--warning);border-color:transparent}
.badge-danger{background:var(--danger-light);color:var(--danger);border-color:transparent}
.badge-info{background:var(--info-light);color:var(--info);border-color:transparent}
.badge-primary{background:var(--primary-light);color:var(--primary);border-color:transparent}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}

/* --- Formulaires --- */
.form-group{margin-bottom:18px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px;color:var(--text)}
label .req{color:var(--danger)}
input[type=text],input[type=email],input[type=password],input[type=date],
input[type=number],input[type=tel],input[type=search],select,textarea{
  width:100%;padding:11px 13px;border:1px solid var(--border-strong);border-radius:var(--radius-sm);
  font:inherit;color:var(--text);background:#fff;transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px var(--primary-light)}
textarea{resize:vertical;min-height:90px}
.form-hint{font-size:.82rem;color:var(--muted);margin-top:5px}
.form-error{font-size:.82rem;color:var(--danger);margin-top:5px}
.checkbox{display:flex;align-items:center;gap:9px;font-weight:500;cursor:pointer}
.checkbox input{width:auto;margin:0}

/* --- Alertes / flash --- */
.alert{padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.92rem;
  border:1px solid transparent;display:flex;gap:10px;align-items:flex-start}
.alert-success{background:var(--success-light);color:#166534;border-color:#bbf7d0}
.alert-error{background:var(--danger-light);color:#991b1b;border-color:#fecaca}
.alert-info{background:var(--info-light);color:#155e75;border-color:#bae6fd}
.alert-warning{background:var(--warning-light);color:#92400e;border-color:#fed7aa}

/* --- Tableaux --- */
.table-wrap{overflow-x:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
table.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.03em;padding:11px 14px;border-bottom:1px solid var(--border)}
table.tbl td{padding:13px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
table.tbl tr:last-child td{border-bottom:none}
table.tbl tbody tr:hover{background:var(--surface-2)}

/* --- App shell --- */
.app-shell{display:flex;min-height:100vh}
.sidebar{width:248px;background:#0f172a;color:#cbd5e1;flex-shrink:0;display:flex;
  flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:40;transition:.2s}
.sidebar .brand{padding:20px 22px;font-weight:800;font-size:1.25rem;color:#fff;
  display:flex;align-items:center;gap:9px;border-bottom:1px solid #1e293b}
.sidebar .brand .logo-badge{background:var(--primary);width:30px;height:30px;border-radius:8px;
  display:grid;place-items:center;font-size:1rem}
.sidebar nav{padding:14px 12px;flex:1;overflow-y:auto}
.sidebar .nav-section{font-size:.7rem;text-transform:uppercase;letter-spacing:.06em;
  color:#64748b;padding:14px 12px 6px;font-weight:700}
.sidebar a.nav-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:8px;
  color:#cbd5e1;font-weight:500;font-size:.93rem;margin-bottom:2px}
.sidebar a.nav-item:hover{background:#1e293b;color:#fff;text-decoration:none}
.sidebar a.nav-item.active{background:var(--primary);color:#fff}
.sidebar a.nav-item .ico{width:20px;text-align:center;flex-shrink:0}
.sidebar .side-foot{padding:14px;border-top:1px solid #1e293b;font-size:.85rem}
.main{flex:1;margin-left:248px;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:30}
.topbar .menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text)}
.content{padding:28px;flex:1}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:24px}
.page-head .subtitle{color:var(--muted);margin-top:4px}
.avatar{width:36px;height:36px;border-radius:50%;background:var(--primary-light);color:var(--primary);
  display:grid;place-items:center;font-weight:700;font-size:.85rem}

/* --- Stats --- */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow-sm)}
.stat .stat-label{color:var(--muted);font-size:.85rem;font-weight:600}
.stat .stat-value{font-size:2rem;font-weight:800;margin-top:6px;line-height:1}
.stat .stat-icon{float:right;width:42px;height:42px;border-radius:10px;display:grid;
  place-items:center;font-size:1.2rem;background:var(--primary-light)}

/* --- Listes équipements (cartes) --- */
.asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.asset-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow-sm);transition:.15s;display:block;color:inherit}
.asset-card:hover{box-shadow:var(--shadow);text-decoration:none;transform:translateY(-2px)}
.asset-card .type-pill{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;
  font-weight:600;color:var(--muted)}
.asset-icon{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;
  font-size:1.3rem;background:var(--primary-light);color:var(--primary);flex-shrink:0}

/* --- Timeline historique --- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:4px;bottom:4px;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:20px}
.timeline-item::before{content:"";position:absolute;left:-23px;top:3px;width:14px;height:14px;
  border-radius:50%;background:#fff;border:3px solid var(--primary)}
.timeline-item .tl-time{font-size:.8rem;color:var(--muted)}

/* --- Échéance / statut couleurs --- */
.due-ok{color:var(--success)}
.due-soon{color:var(--warning)}
.due-late{color:var(--danger)}

/* --- Auth / centré --- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;
  background:linear-gradient(135deg,#1e3a8a 0%,#2563eb 100%)}
.auth-card{background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  width:100%;max-width:420px;padding:36px}
.auth-card .brand{text-align:center;font-weight:800;font-size:1.6rem;margin-bottom:6px;
  display:flex;align-items:center;justify-content:center;gap:9px}
.auth-card .logo-badge{background:var(--primary);width:34px;height:34px;border-radius:9px;
  display:grid;place-items:center;color:#fff;font-size:1.1rem}

/* --- Divers --- */
.empty-state{text-align:center;padding:48px 20px;color:var(--muted)}
.empty-state .ico{font-size:2.6rem;margin-bottom:12px}
.divider{height:1px;background:var(--border);margin:20px 0}
.tag-token{font-family:monospace;font-size:.82rem;background:var(--surface-2);
  padding:3px 8px;border-radius:6px;border:1px solid var(--border)}
.blur-toggle{filter:blur(5px);cursor:pointer;transition:filter .12s;user-select:none}
.blur-toggle:hover{filter:blur(4px)}
.blur-toggle.revealed{filter:none}
.kv{display:grid;grid-template-columns:160px 1fr;gap:8px 16px;font-size:.93rem}
.kv dt{color:var(--muted);font-weight:600}
.kv dd{color:var(--text)}

/* --- Onglets --- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:22px;overflow-x:auto}
.tabs .tab{padding:11px 16px;font-weight:600;color:var(--muted);cursor:pointer;border-bottom:2px solid transparent;
  white-space:nowrap;background:none;border-top:none;border-left:none;border-right:none;font-size:.95rem}
.tabs .tab:hover{color:var(--text)}
.tabs .tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.tab-panel{display:none}
.tab-panel.active{display:block}
.tab-count{display:inline-block;background:var(--surface-2);border-radius:999px;padding:1px 8px;font-size:.78rem;margin-left:5px}

/* --- QR display --- */
.qr-box{text-align:center;padding:18px}
.qr-box img{width:200px;height:200px;margin:0 auto;border:1px solid var(--border);border-radius:8px;padding:8px;background:#fff}

/* --- Responsive --- */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .topbar .menu-toggle{display:block}
  .form-row{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
  .kv dt{margin-top:8px}
}