:root{
  --primary:#4f46e5; --primary-rgb:79,70,229;
  --bg:#f4f6fb; --card:#ffffff; --ink:#0f172a; --muted:#64748b; --line:#e7eaf3;
  --side:#0b1220; --side-ink:#a3acc2; --side-w:268px; --radius:14px;
  --success:#10b981; --warning:#f59e0b; --danger:#ef4444; --info:#0ea5e9;
}
*{box-sizing:border-box}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:14.5px}
a{color:var(--primary);text-decoration:none}
.app{display:flex;min-height:100vh}

/* ---------- Sidebar ---------- */
.sidebar{width:var(--side-w);background:var(--side);color:var(--side-ink);position:fixed;inset:0 auto 0 0;z-index:1040;display:flex;flex-direction:column;transition:transform .25s ease}
.brand{display:flex;align-items:center;gap:12px;padding:20px 20px 18px;border-bottom:1px solid rgba(255,255,255,.06)}
.brand img{width:40px;height:40px;object-fit:contain;border-radius:10px;background:#fff;padding:3px}
.brand-mark{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--primary),rgba(var(--primary-rgb),.55))}
.brand-name{color:#fff;font-weight:700;font-size:15.5px;line-height:1.2;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.menu{padding:14px 12px 24px;overflow-y:auto;flex:1}
.menu::-webkit-scrollbar{width:4px}.menu::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:4px}
.menu-link{display:flex;align-items:center;gap:12px;width:100%;padding:10px 12px;border-radius:10px;color:var(--side-ink);font-weight:500;background:none;border:0;text-align:left;margin-bottom:2px;transition:.15s}
.menu-link>i:first-child{font-size:17px;width:20px;text-align:center}
.menu-link:hover{background:rgba(255,255,255,.05);color:#fff}
.menu-link.active{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(var(--primary-rgb),.35)}
.menu-link.toggle.open{color:#fff}
.menu-link .caret{margin-left:auto;font-size:11px;transition:transform .2s}
.menu-link[aria-expanded="true"] .caret{transform:rotate(180deg)}
.submenu-link{display:block;padding:8px 12px 8px 44px;color:var(--side-ink);border-radius:8px;font-size:13.5px;position:relative}
.submenu-link::before{content:"";position:absolute;left:22px;top:50%;width:6px;height:6px;border-radius:50%;background:rgba(255,255,255,.18);transform:translateY(-50%)}
.submenu-link:hover{color:#fff}
.submenu-link.active{color:#fff;font-weight:600}
.submenu-link.active::before{background:var(--primary);box-shadow:0 0 0 3px rgba(var(--primary-rgb),.3)}
.sidebar-backdrop{display:none}

/* ---------- Main ---------- */
.main{margin-left:var(--side-w);flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:14px;padding:16px 28px;background:rgba(244,246,251,.85);backdrop-filter:blur(10px);position:sticky;top:0;z-index:1020;border-bottom:1px solid var(--line)}
.page-heading h1{font-size:20px;font-weight:700;margin:0}
.page-heading .crumb{color:var(--muted);font-size:12.5px}
.content{padding:24px 28px;flex:1}
.app-footer{padding:16px 28px;color:var(--muted);font-size:12.5px;border-top:1px solid var(--line)}
.btn-icon{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;display:grid;place-items:center}
.user-chip{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:40px;padding:4px 12px 4px 4px}
.user-chip small{display:block;color:var(--muted);font-size:11.5px;line-height:1}
.user-chip b{font-size:13px;font-weight:600;line-height:1.3}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(var(--primary-rgb),.12);color:var(--primary);font-weight:700;font-size:13px;flex:none}

/* ---------- Components ---------- */
.card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 1px 2px rgba(15,23,42,.04);background:var(--card)}
.card-header{background:none;border-bottom:1px solid var(--line);padding:16px 20px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-header h5,.card-title{font-size:15.5px;font-weight:700;margin:0}
.card-body{padding:20px}
.btn{border-radius:10px;font-weight:600}
.btn-primary{background:var(--primary);border-color:var(--primary)}
.btn-primary:hover,.btn-primary:focus{background:var(--primary);border-color:var(--primary);filter:brightness(.92)}
.btn-soft{background:rgba(var(--primary-rgb),.1);color:var(--primary);border:0}
.btn-soft:hover{background:rgba(var(--primary-rgb),.18);color:var(--primary)}
.form-control,.form-select{border-radius:10px;border-color:#dfe3ee;padding:.55rem .8rem}
.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 .2rem rgba(var(--primary-rgb),.15)}
.form-label{font-weight:600;font-size:13px;color:#334155}
.page-link{color:var(--primary)}.page-item.active .page-link{background:var(--primary);border-color:var(--primary)}
.table{margin:0;--bs-table-bg:transparent}
.table thead th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;background:#f8fafc;border-bottom:1px solid var(--line);white-space:nowrap;padding:11px 14px}
.table td{padding:12px 14px;vertical-align:middle;border-color:var(--line)}
.table tbody tr:hover{background:#fafbff}
.table tfoot td{font-weight:700;background:#f8fafc}
.badge-soft{display:inline-block;padding:4px 10px;border-radius:30px;font-size:12px;font-weight:600}
.badge-soft.success{background:#dcfce7;color:#15803d}.badge-soft.warning{background:#fef3c7;color:#b45309}
.badge-soft.danger{background:#fee2e2;color:#b91c1c}.badge-soft.info{background:#e0f2fe;color:#0369a1}
.badge-soft.muted{background:#f1f5f9;color:#475569}.badge-soft.primary{background:rgba(var(--primary-rgb),.12);color:var(--primary)}
.alert{border-radius:12px;border:0}
.empty{text-align:center;color:var(--muted);padding:40px 10px}
.empty i{font-size:34px;display:block;margin-bottom:6px;opacity:.5}
.modal-content{border-radius:16px;border:0}
.dropdown-menu{border-radius:12px;border-color:var(--line)}
.actions .btn{padding:4px 9px}
.thumb{width:38px;height:38px;border-radius:50%;object-fit:cover}

/* ---------- Stat cards ---------- */
.stat,.card.stat{display:flex;flex-direction:row;gap:14px;align-items:center;text-align:left;padding:18px 20px;height:100%}
.stat .ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;font-size:22px;flex:none}
.stat .lbl{color:var(--muted);font-size:12.5px;font-weight:500}
.stat .val{font-size:21px;font-weight:800;letter-spacing:-.02em;line-height:1.25}
.stat .sub{font-size:12px;color:var(--muted)}
.ico.c1{background:rgba(var(--primary-rgb),.12);color:var(--primary)}
.ico.c2{background:#dcfce7;color:#16a34a}.ico.c3{background:#fef3c7;color:#d97706}
.ico.c4{background:#fee2e2;color:#dc2626}.ico.c5{background:#e0f2fe;color:#0284c7}
.ico.c6{background:#f3e8ff;color:#9333ea}
.hero{background:linear-gradient(120deg,var(--primary),rgba(var(--primary-rgb),.7));color:#fff;border:0;overflow:hidden;position:relative}
.hero::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.08)}
.hero .lbl,.hero .sub{color:rgba(255,255,255,.8)}

/* ---------- Line-item editor ---------- */
.items-table td{padding:8px}
.items-table .form-control,.items-table .form-select{padding:.45rem .6rem}
.totals{max-width:380px;margin-left:auto}
.totals .row-t{display:flex;justify-content:space-between;align-items:center;padding:7px 0;gap:10px}
.totals .grand{border-top:2px dashed var(--line);margin-top:6px;padding-top:12px;font-size:18px;font-weight:800}

/* ---------- Invoice ---------- */
.invoice{max-width:900px;margin:0 auto}
.inv-head{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;border-bottom:3px solid var(--primary);padding-bottom:18px;margin-bottom:20px}
.inv-company{display:flex;gap:14px;align-items:center}
.inv-company img{max-width:72px;max-height:72px;object-fit:contain}
.inv-company h2{font-size:21px;font-weight:800;margin:0}
.inv-title{font-size:26px;font-weight:800;color:var(--primary);letter-spacing:.04em;text-align:right}

/* ---------- Login ---------- */
.auth-wrap{min-height:100vh;display:grid;grid-template-columns:1.1fr 1fr}
.auth-side{background:linear-gradient(140deg,var(--primary),#0b1220);color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.auth-side::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.06);right:-120px;bottom:-120px}
.auth-form{display:grid;place-items:center;padding:40px 24px;background:#fff}
.auth-form form{width:100%;max-width:380px}
.feature{display:flex;gap:10px;align-items:center;margin-bottom:12px;color:rgba(255,255,255,.9)}

/* ---------- Responsive ---------- */
@media (max-width:991.98px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.show{transform:none;box-shadow:0 0 40px rgba(0,0,0,.3)}
  .sidebar-backdrop.show{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:1035}
  .main{margin-left:0}
  .topbar,.content{padding-left:16px;padding-right:16px}
  .auth-wrap{grid-template-columns:1fr}.auth-side{display:none}
}
@media (max-width:575.98px){
  .page-heading h1{font-size:17px}.page-heading .crumb{display:none}
  .stat .val{font-size:18px}
  .card-body{padding:16px}
}

/* ---------- Print ---------- */
@media print{
  .sidebar,.topbar,.app-footer,.no-print,.alert{display:none!important}
  .main{margin:0}.content{padding:0}
  body{background:#fff}
  .card{border:0;box-shadow:none}
  .print-only{display:block!important}
}
.print-only{display:none}
.btn-link{color:var(--primary)}.btn-link:hover{color:var(--primary);filter:brightness(.85)}