:root{
    --accent:#fd7020; --accent-deep:#e15c12; --accent-700:#b8480c;
    --accent-soft:#fff2e8; --accent-100:#ffe1cc;
    --navy:#0e1726; --navy-2:#17243e;
    --bg:#ffffff; --bg-soft:#f4f6fa; --bg-cream:#fffaf5; --bg-dark:#0e1726;
    --ink:#101728; --muted:#586173; --soft:#8a93a4; --line:#e9edf3; --line-2:#f0f3f8;
    --green:#067647; --green-bg:#e6f5ec; --amber:#b54708; --amber-bg:#fdf1e3; --red:#b42318; --red-bg:#feeceb; --blue:#1d4ed8; --blue-bg:#eaf0fd;
    --radius-lg:18px; --radius:14px; --radius-sm:10px;
    --shadow-sm:0 1px 2px rgba(16,24,42,.05),0 0 0 1px rgba(16,24,42,.045);
    --shadow:0 1px 2px rgba(16,24,42,.06),0 6px 16px -8px rgba(16,24,42,.10),0 0 0 1px rgba(16,24,42,.04);
    --shadow-lg:0 2px 6px rgba(16,24,42,.08),0 24px 48px -16px rgba(16,24,42,.22),0 0 0 1px rgba(16,24,42,.05);
    --gothic:'Hanken Grotesk',system-ui,-apple-system,sans-serif; --serif:'Hanken Grotesk',Georgia,serif;
    --tabular:'Inter',system-ui,sans-serif;
  }

  *{box-sizing:border-box;margin:0;padding:0}
  body{font-family:var(--gothic);background:var(--bg-soft);color:var(--ink);font-size:14px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
  button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
  input,select,textarea{font-family:inherit;font-size:13px}
  svg{display:block}
  .hidden{display:none!important}

  /* AUTH */
  #auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(900px 480px at 72% -6%,var(--accent-soft) 0%,var(--bg-soft) 55%)}
  .auth-card{width:100%;max-width:420px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-lg)}
  .brand{display:flex;align-items:center;gap:11px;margin-bottom:24px}
  .brand-mark{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px -2px rgba(255,94,46,.4)}
  .brand-name{font-family:var(--gothic);font-weight:700;font-size:20px;letter-spacing:-.02em}
  .brand-name b{font-weight:700;color:var(--accent)}

  /* FORMS */
  .field{margin-bottom:16px}
  .field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px;letter-spacing:.01em}
  .field input,.field select,.field textarea{width:100%;padding:8px 12px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);outline:none;font-size:13px;transition:border-color .15s,box-shadow .15s}
  .field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,94,46,.12)}

  /* BUTTONS */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 18px;border-radius:999px;font-weight:600;font-size:13px;transition:background .15s,border-color .15s,color .15s,box-shadow .15s;white-space:nowrap;line-height:1.25}
  .btn-primary{background:linear-gradient(180deg,#ff8038,#f2640f);color:#fff;border:none;box-shadow:0 2px 8px rgba(253,112,32,.28)}
  .btn-primary:hover{background:var(--accent-deep)}
  .btn-primary:disabled{opacity:.55;cursor:not-allowed}
  .btn-ghost,.btn-secondary{background:var(--bg);color:var(--ink);border:1.5px solid var(--line)}
  .btn-ghost:hover,.btn-secondary:hover{background:var(--bg-soft)}
  .btn-danger{background:var(--red-bg);color:var(--red);border:none}
  .btn-danger:hover{background:#fdd8d6}
  .modal-foot .btn-danger{background:var(--red);color:#fff}
  .modal-foot .btn-danger:hover{background:#9a2018}
  .btn-sm{padding:7px 14px;font-size:13px}
  .btn svg{width:15px;height:15px;flex-shrink:0}

  .auth-switch{text-align:center;margin-top:18px;font-size:13px;color:var(--muted)}
  .auth-switch a{color:var(--accent);cursor:pointer;text-decoration:none;font-weight:600}
  .auth-switch a:hover{color:var(--accent-deep)}

  /* ALERTS */
  .msg{padding:12px 16px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:15px;line-height:1.45}
  .msg-ok{background:var(--green-bg);color:var(--green);border-left:3px solid var(--green)}
  .msg-err{background:var(--red-bg);color:var(--red);border-left:3px solid var(--red)}
  .msg-warn{background:var(--amber-bg);color:var(--amber);border-left:3px solid var(--amber)}

  /* SHELL */
  #app{display:flex;min-height:100vh;background:var(--bg-soft)}
  .sidebar{width:268px;background:var(--bg);border-right:1px solid var(--line);display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:10;box-shadow:1px 0 0 var(--line),6px 0 28px -10px rgba(16,24,42,.08)}
  .sidebar .brand{padding:18px 20px;margin:0;border-bottom:1px solid var(--line)}
  .sidebar .brand img{height:54px!important;width:auto}
  .nav{flex:1;padding:8px 12px 14px;overflow-y:auto}
  .nav::-webkit-scrollbar{width:8px}
  .nav::-webkit-scrollbar-thumb{background:#e3e8f0;border-radius:8px;border:2px solid var(--bg)}
  #navSearch{width:100%!important;padding:8px 12px!important;border:1px solid var(--line)!important;border-radius:var(--radius-sm)!important;font-size:13px!important;background:#fff!important;color:var(--ink)!important;outline:none!important;transition:border-color .15s,box-shadow .15s}
  #navSearch::placeholder{color:var(--soft)}
  #navSearch:focus{border-color:var(--accent)!important;box-shadow:0 0 0 3px var(--accent-soft)!important}
  .nav-group{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--soft);padding:14px 10px 6px}
  .nav-grp-btn{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;cursor:pointer;background:none;border:none;transition:color .12s;color:var(--soft);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:14px 10px 6px}
  .nav-grp-btn:hover{color:var(--ink)}
  .nav-grp-btn span{color:inherit}
  .nav-chev{width:13px;height:13px;flex-shrink:0;transition:transform .15s;opacity:.6;color:inherit}
  .nav-item{display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:var(--radius-sm);color:var(--muted);font-weight:600;font-size:14px;transition:background .12s,color .12s;width:100%;text-align:left;margin:1px 0}
  .nav-item:hover{background:var(--line-2);color:var(--ink)}
  .nav-item.active{background:var(--accent-soft);color:var(--accent-700);font-weight:700;border-left:3px solid var(--accent);padding-left:9px}
  .nav-ic{width:32px;height:32px;border-radius:9px;background:#f4f6fa;color:#586173;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
  .nav-item.active .nav-ic{background:var(--accent-soft);color:var(--accent)}
  .nav-item svg{width:17px;height:17px;flex-shrink:0;stroke:currentColor}
  .sidebar-foot{padding:12px;border-top:1px solid var(--line)}
  .userbox{display:flex;align-items:center;gap:10px;padding:10px;border-radius:var(--radius-sm);background:var(--bg-soft)}
  .userbox .meta{flex:1;min-width:0}
  .avatar{width:34px;height:34px;border-radius:9px;background:linear-gradient(150deg,#ff8038,#ef5f10);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:#fff;flex-shrink:0;box-shadow:0 1px 2px rgba(184,72,12,.4)}
  .sidebar .userbox .meta b{display:block;font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .sidebar .userbox .meta span{font-size:12px;color:var(--muted)}
  .sidebar .icon-btn{color:var(--soft)}
  .sidebar .icon-btn:hover{background:var(--line-2);color:var(--ink)}

  .main{flex:1;margin-left:268px;display:flex;flex-direction:column;min-width:0}
  .topbar{height:56px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;background:var(--bg);z-index:5}
  .crumb{font-size:13px;color:var(--muted);font-weight:500}
  .crumb b{color:var(--ink);font-weight:700;font-size:15px;letter-spacing:-.01em}
  #topActions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
  .content{padding:24px 28px 40px;width:100%;max-width:none}

  /* KPI */
  .kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
  .kpi{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
  .kpi.dark,.kpi.cream{background:var(--bg);border:1px solid var(--line);color:var(--ink);box-shadow:var(--shadow-sm)}
  .kpi-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:10px}
  .kpi-lbl{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;line-height:1.3}
  .kpi-ic{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--accent-soft);color:var(--accent);flex-shrink:0}
  .kpi-ic svg{width:18px;height:18px;stroke:currentColor}
  .kpi .val{font-family:var(--tabular);font-size:28px;font-weight:700;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums;color:var(--ink)}
  .kpi .sub{font-size:12px;color:var(--soft);margin-top:8px}
  .kpi.dark .sub,.kpi.cream .sub{color:var(--soft)}

  /* CARDS & TABLES */
  .card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:18px;box-shadow:var(--shadow-sm)}
  .card-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line-2);background:var(--bg);gap:12px;flex-wrap:wrap}
  .card-head h3{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
  .card-head .tools{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
  table{width:100%;border-collapse:collapse}
  th{text-align:left;font-family:var(--gothic);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);padding:12px 16px;background:var(--bg-soft);border-bottom:1px solid var(--line-2)}
  td{padding:12px 16px;border-bottom:1px solid var(--line-2);font-size:13px;color:var(--ink)}
  tr:last-child td{border-bottom:none}
  tbody tr{transition:background .12s}
  tbody tr:hover{background:var(--bg-soft)}
  .num{text-align:right;font-family:var(--tabular);font-variant-numeric:tabular-nums;font-weight:600}
  td.num,b.num{font-family:var(--tabular)}
  .row-act{display:flex;gap:4px;justify-content:flex-end}
  .icon-btn{min-width:32px;height:32px;padding:0 6px;border-radius:var(--radius-sm);display:inline-flex;align-items:center;justify-content:center;color:var(--soft);font-size:12px;font-weight:600;transition:background .12s,color .12s}
  .icon-btn:hover{background:var(--bg-soft);color:var(--ink)}
  .icon-btn svg{width:16px;height:16px;stroke:currentColor}
  .empty{padding:56px 24px;text-align:center;color:var(--soft);font-size:14px}
  .search{position:relative;display:flex;align-items:center}
  .search input{padding:8px 12px 8px 34px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);outline:none;width:240px;font-size:13px;transition:border-color .15s,box-shadow .15s}
  .search input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,94,46,.12)}
  .search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;height:15px;stroke:var(--soft);pointer-events:none}

  /* BADGES */
  .badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;line-height:1.45}
  .b-draft{background:#f0f0f0;color:#666}
  .b-ok{background:var(--green-bg);color:var(--green)}
  .b-warn{background:var(--amber-bg);color:var(--amber)}
  .b-info{background:var(--blue-bg);color:var(--blue)}
  .b-red{background:var(--red-bg);color:var(--red)}
  .pp-badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;background:color-mix(in srgb,currentColor 12%,transparent)}

  /* TABS (comptabilité & pages) */
  .page-tabs{display:flex;gap:0;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
  .page-tab{padding:10px 16px;background:none;border:none;border-bottom:2px solid transparent;color:var(--muted);font-weight:500;font-size:13px;cursor:pointer;transition:color .12s,border-color .12s;margin-bottom:-1px}
  .page-tab:hover{color:var(--ink)}
  .page-tab.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}

  /* UTILITIES */
  .nav-search-wrap{padding:8px 10px 4px}
  .wizard-dots{display:flex;gap:6px;margin:12px 0 4px}
  .wizard-dot{flex:1;height:4px;border-radius:2px;background:var(--line-2);transition:background .2s}
  .wizard-dot.done{background:var(--accent)}
  .stat-card{padding:24px!important;box-shadow:var(--shadow-sm)}
  .stat-lbl{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:8px}
  .stat-val{font-family:var(--tabular);font-size:28px;font-weight:700;line-height:1.1;color:var(--ink)}
  .stat-sub{font-size:12px;color:var(--soft);margin-top:4px}
  .stat-val.accent{color:var(--accent)}
  .stat-val.danger{color:var(--red)}
  .text-danger{color:var(--red)}
  .text-success{color:var(--green)}
  .text-muted{color:var(--soft)}
  .btn-ghost.is-danger,.icon-btn.is-danger{color:var(--red);border-color:transparent}
  .btn-ghost.is-danger:hover{background:var(--red-bg);color:var(--red)}
  .alert-banner{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:14px;font-size:13px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
  .alert-banner.warn{background:var(--amber-bg);border-left:3px solid var(--amber)}
  .alert-banner.ok{background:var(--green-bg);border-left:3px solid var(--green)}
  .info-box{padding:14px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:13px}
  .info-box.ok{background:var(--green-bg);border:1px solid rgba(6,118,71,.2)}
  .info-box.warn{background:var(--amber-bg);border:1px solid rgba(181,71,8,.2)}
  .summary-bar{padding:10px 16px;background:var(--bg-soft);border:1px solid var(--line-2);border-radius:var(--radius-sm);margin-bottom:14px;font-size:13px}

  /* MODALS */
  .overlay{position:fixed;inset:0;background:rgba(15,15,26,.6);display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;z-index:50;overflow-y:auto;backdrop-filter:blur(4px)}
  .modal{width:100%;max-width:820px;background:var(--bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);border:1px solid var(--line)}
  .modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--line)}
  .modal-head h3{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
  .modal-body{padding:24px;max-height:66vh;overflow-y:auto}
  .modal-foot{padding:16px 24px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end;align-items:center}
  .modal-foot .btn{flex:0 0 auto;min-width:100px}
  .grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .grid2 .full{grid-column:1/-1}

  /* LINE ITEMS (factures, commandes) */
  .lines th,.lines td{padding:10px 12px;font-size:12px;background:transparent}
  .lines th{border-bottom:1px solid var(--line);background:var(--bg-soft);font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600}
  .lines input,.lines select{width:100%;padding:8px 12px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);outline:none;font-size:13px;min-width:60px}
  .lines input:focus,.lines select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,94,46,.12)}
  .lines .num input{text-align:right;font-family:var(--tabular)}
  .line-total{text-align:right;font-family:var(--tabular);font-variant-numeric:tabular-nums;color:var(--muted)}
  .totals{display:flex;flex-direction:column;gap:4px;align-items:flex-end;margin-top:16px;font-size:13px;font-family:var(--tabular)}
  .totals .ttc{font-size:18px;font-weight:700;margin-top:5px;color:var(--accent-700)}

  /* LOADER & TOAST */
  .loader{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--soft);font-size:14px}
  .spin{width:22px;height:22px;border:2px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:sp .7s linear infinite;margin-right:10px;flex-shrink:0}
  @keyframes sp{to{transform:rotate(360deg)}}
  .toast{position:fixed;bottom:24px;right:24px;background:var(--navy);color:#fff;border-radius:8px;padding:12px 16px;font-size:13px;font-weight:500;z-index:100;animation:up .25s ease;box-shadow:var(--shadow-lg);max-width:360px;line-height:1.45}
  @keyframes up{from{transform:translateY(10px);opacity:0}to{transform:translateY(0);opacity:1}}

  /* TOM SELECT */
  .ts-control{background:var(--bg)!important;border:1px solid var(--line)!important;border-radius:var(--radius-sm)!important;padding:8px 12px!important;font-size:13px!important;min-height:auto!important}
  .ts-control:focus-within{border-color:var(--accent)!important;box-shadow:0 0 0 3px rgba(255,94,46,.12)!important}
  .ts-dropdown{border:1px solid var(--line)!important;border-radius:var(--radius-sm)!important;box-shadow:var(--shadow-lg)!important;font-size:13px!important;z-index:99999!important;margin-top:4px!important}
  .ts-wrapper{z-index:auto}
  .modal .field{position:relative}
  .ts-dropdown .active{background:var(--accent)!important;color:#fff!important}
  .ts-dropdown .ts-dropdown-content{max-height:260px}

  /* CHARTS */
  .card>div:has(>canvas){position:relative;width:100%;height:clamp(260px,32vh,400px);padding:0 20px 20px}
  .card canvas{max-width:100%!important}

  /* TOP LISTS */
  .toplist{padding:8px 12px 14px}
  .toprow{display:flex;align-items:center;gap:12px;padding:10px 8px;border-bottom:1px solid var(--line-2)}
  .toprow:last-child{border-bottom:none}
  .toprow .rank{width:24px;height:24px;border-radius:8px;background:var(--line-2);color:var(--muted);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-family:var(--tabular);font-variant-numeric:tabular-nums}
  .toprow:first-child .rank{background:var(--accent-soft);color:var(--accent-700)}
  .toprow .topmain{flex:1;min-width:0}
  .toprow .topname{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-bottom:7px;color:var(--ink)}
  .toprow .bar{height:6px;border-radius:4px;background:var(--line-2);overflow:hidden}
  .toprow .bar-fill{height:100%;border-radius:4px;background:var(--accent)}
  .toprow .topval{text-align:right;font-family:var(--tabular);font-variant-numeric:tabular-nums;font-weight:700;font-size:13px;flex-shrink:0;color:var(--ink)}

  /* DASHBOARD GRID */
  .dash-tops{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}

  /* RESPONSIVE */
  @media(max-width:980px){
    .kpi-grid{grid-template-columns:repeat(2,1fr)}
    .dash-tops{grid-template-columns:1fr}
    .sidebar{width:64px}
    .sidebar .brand img{height:28px!important}
    .sidebar .brand-name,.nav-group,.nav-grp-btn span,.userbox .meta,#navSearch{display:none}
    .main{margin-left:64px}
    .nav-item{justify-content:center;padding:10px}
    .nav-item span{display:none}
    .content{padding:18px 16px 32px}
    .topbar{padding:0 16px}
    .search input{width:180px}
  }
  @media(max-width:640px){
    .kpi-grid{grid-template-columns:1fr}
    .grid2{grid-template-columns:1fr}
  }

  .kpi-grid .card.stat-card{display:flex;flex-direction:column;justify-content:center;min-height:110px}
  .stat-lbl{display:block}
  .stat-val{display:block}