:root{
  --bg:#0b1020; --bg-2:#0f172a; --panel:#111a30; --panel-2:#152041;
  --border:#1f2a44; --border-2:#2a3a63;
  --text:#e6ecff; --muted:#8a96b8; --muted-2:#6b7896;
  --primary:#6366f1; --primary-2:#818cf8; --primary-soft:rgba(99,102,241,.15);
  --success:#10b981; --warning:#f59e0b; --danger:#ef4444; --info:#06b6d4;
  --radius:12px; --radius-sm:8px;
  --shadow:0 8px 30px rgba(0,0,0,.35);
  --grad:linear-gradient(135deg,#6366f1,#8b5cf6 60%,#ec4899);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px;line-height:1.5}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:var(--text);background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;outline:none;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--primary)}
label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;font-weight:500}
hr{border:0;border-top:1px solid var(--border);margin:16px 0}

/* App layout */
.app{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:18px 14px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 18px}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--grad);display:grid;place-items:center;font-weight:800;color:#fff}
.brand-name{font-weight:700;letter-spacing:.3px}
.nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow:auto}
.nav-section{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted-2);padding:14px 12px 6px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--muted)}
.nav-item:hover{background:var(--panel);color:var(--text)}
.nav-item.active{background:var(--primary-soft);color:var(--primary-2)}
.nav-item i{font-size:18px}
.sidebar-footer{padding-top:10px;border-top:1px solid var(--border)}
.user-chip{display:flex;align-items:center;gap:10px;padding:10px;border-radius:10px}
.user-chip:hover{background:var(--panel)}
.user-meta{display:flex;flex-direction:column}
.user-meta small{color:var(--muted)}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;border-bottom:1px solid var(--border);background:var(--bg-2);position:sticky;top:0;z-index:20}
.topbar h1{margin:0;font-size:20px;font-weight:700}
.topbar-actions{display:flex;align-items:center;gap:10px}
.search{position:relative;width:340px}
.search i{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--muted)}
.search input{padding-left:34px}
.icon-btn{position:relative;width:38px;height:38px;display:grid;place-items:center;border-radius:10px;background:var(--panel);border:1px solid var(--border);color:var(--muted)}
.icon-btn:hover{color:var(--text)}
.badge-dot{position:absolute;top:-4px;right:-4px;background:var(--danger);color:#fff;font-size:10px;border-radius:999px;padding:2px 6px;font-weight:700}

.page{padding:24px}

/* Components */
.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px;border:1px solid}
.alert-success{background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.4);color:#a7f3d0}
.alert-error{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.4);color:#fecaca}

.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.card h3{margin:0 0 12px;font-size:15px}
.card-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}

.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr 1fr}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.app{grid-template-columns:1fr}.sidebar{display:none}.search{width:auto}}

.kpi{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;align-items:center;gap:14px}
.kpi-icon{width:46px;height:46px;border-radius:12px;background:var(--primary-soft);color:var(--primary-2);display:grid;place-items:center;font-size:22px}
.kpi-meta small{color:var(--muted)}
.kpi-meta b{font-size:22px;display:block;font-weight:700}

.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;border-radius:10px;border:1px solid var(--border);background:var(--panel-2);color:var(--text);font-weight:500}
.btn:hover{border-color:var(--border-2)}
.btn-primary{background:var(--grad);border-color:transparent;color:#fff}
.btn-danger{background:var(--danger);border-color:transparent;color:#fff}
.btn-ghost{background:transparent}
.btn-sm{padding:6px 10px;font-size:12px}

.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:600;background:var(--panel-2);color:var(--muted);border:1px solid var(--border)}
.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;color:#fff;font-weight:600}

.avatar{width:32px;height:32px;border-radius:50%;background:var(--primary);display:inline-grid;place-items:center;color:#fff;font-weight:700;font-size:12px;flex-shrink:0}
.avatar-sm{width:24px;height:24px;font-size:10px}
.avatar-lg{width:64px;height:64px;font-size:22px}
.avatar-stack{display:inline-flex}
.avatar-stack .avatar{margin-left:-8px;border:2px solid var(--panel)}
.avatar-stack .avatar:first-child{margin-left:0}

table{width:100%;border-collapse:collapse}
table th,table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}
table th{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:600;background:var(--panel-2)}
table tr:hover td{background:var(--panel-2)}

/* Auth */
.auth-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(1200px 600px at 20% 10%,rgba(99,102,241,.18),transparent),radial-gradient(800px 600px at 80% 90%,rgba(236,72,153,.12),transparent),var(--bg)}
.auth-card{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.auth-card h2{margin:6px 0 4px}
.auth-card p.muted{color:var(--muted);margin:0 0 20px}
.auth-card .field{margin-bottom:14px}

/* Kanban */
.kanban{display:grid;grid-template-columns:repeat(5,minmax(260px,1fr));gap:14px;overflow:auto}
.kcol{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:12px;min-height:60vh}
.kcol h4{margin:0 0 10px;display:flex;justify-content:space-between;align-items:center;font-size:13px;text-transform:uppercase;letter-spacing:.5px}
.kcol-count{background:var(--panel-2);padding:1px 8px;border-radius:999px;font-size:11px;color:var(--muted)}
.ktask{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:10px;cursor:grab}
.ktask:hover{border-color:var(--border-2)}
.ktask.dragging{opacity:.5}
.ktask .ktitle{font-weight:600;margin-bottom:6px}
.ktask .kmeta{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);flex-wrap:wrap}

/* Calendar */
.cal{background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.cal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr)}
.cal-dow{text-align:center;padding:10px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border)}
.cal-cell{min-height:110px;padding:8px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);position:relative;background:var(--panel)}
.cal-cell.dim{background:var(--bg-2);color:var(--muted)}
.cal-cell.today{background:rgba(99,102,241,.08)}
.cal-day{font-weight:600;margin-bottom:6px;font-size:12px}
.cal-evt{display:block;background:var(--primary-soft);color:var(--primary-2);font-size:11px;padding:3px 6px;border-radius:6px;margin-bottom:3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-left:3px solid var(--primary)}

/* Modal */
.modal-bg{position:fixed;inset:0;background:rgba(2,6,23,.7);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-bg.open{display:flex}
.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;width:100%;max-width:560px;padding:22px;max-height:90vh;overflow:auto}
.modal h3{margin:0 0 14px}

/* Progress */
.progress{height:6px;background:var(--panel-2);border-radius:999px;overflow:hidden}
.progress-bar{height:100%;background:var(--grad);border-radius:999px;transition:width .3s}

/* Misc */
.muted{color:var(--muted)}
.flex{display:flex;gap:10px;align-items:center}
.flex-between{display:flex;justify-content:space-between;align-items:center;gap:10px}
.flex-wrap{flex-wrap:wrap}
.mb-0{margin-bottom:0!important}.mt-0{margin-top:0!important}
.mb-2{margin-bottom:8px}.mb-3{margin-bottom:12px}.mb-4{margin-bottom:16px}
.text-right{text-align:right}.text-center{text-align:center}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;align-items:center}
.toolbar .spacer{flex:1}

.empty{text-align:center;padding:40px;color:var(--muted)}
.empty i{font-size:48px;display:block;margin-bottom:10px;opacity:.5}

/* Tabs */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:14px;flex-wrap:wrap}
.tab{background:transparent;border:none;color:var(--muted);padding:10px 14px;cursor:pointer;border-bottom:2px solid transparent;font-size:13px;font-weight:500}
.tab:hover{color:var(--text)}
.tab.active{color:var(--primary-2);border-bottom-color:var(--primary)}
.tab-pane{display:none}
.tab-pane.active{display:block}
.modal-lg{max-width:900px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:768px){.grid-3{grid-template-columns:1fr}}

/* KPI helpers */
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:20px}
.kpi-card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}
.kpi-label{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.5px}
.kpi-value{font-size:24px;font-weight:700;margin-top:6px}
.kpi-sub{font-size:11px;color:var(--muted);margin-top:4px}

/* Bar chart (CSS-only) */
.bars{display:flex;flex-direction:column;gap:8px}
.bar-row{display:grid;grid-template-columns:140px 1fr 60px;gap:10px;align-items:center;font-size:12px}
.bar-track{height:10px;background:var(--panel-2);border-radius:999px;overflow:hidden}
.bar-fill{height:100%;background:var(--grad);border-radius:999px}

.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;border:1px solid var(--border);color:var(--muted)}

html.light-theme{--bg:#f6f8fc;--bg-2:#ffffff;--panel:#ffffff;--panel-2:#f1f5f9;--border:#e2e8f0;--border-2:#cbd5e1;--text:#0f172a;--muted:#64748b;--muted-2:#94a3b8;--primary-soft:rgba(99,102,241,.12);--shadow:0 8px 24px rgba(15,23,42,.08)}
.filter-card{margin-bottom:16px}.filter-grid{display:grid;grid-template-columns:repeat(6,minmax(140px,1fr));gap:12px;align-items:end}.table-wrap{overflow:auto;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.actions-cell{white-space:nowrap}.link-pill{display:inline-flex;gap:4px;align-items:center;padding:2px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--primary-2)}@media(max-width:1100px){.filter-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:700px){.filter-grid{grid-template-columns:1fr}}