:root{
  --bg:#f6f7fb;--surface:#fff;--surface2:#f9fafb;--text:#111827;--muted:#6b7280;
  --line:#e5e7eb;--primary:#4f46e5;--primary2:#4338ca;--danger:#dc2626;
  --success:#16a34a;--warning:#d97706;--sidebar:#10131c;--radius:16px;
  --shadow:0 12px 34px rgba(15,23,42,.08)
}
*{box-sizing:border-box}html{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{margin:0;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}button{cursor:pointer}
.app-shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh}
.sidebar{background:var(--sidebar);color:#d1d5db;padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:12px;align-items:center;padding:0 8px 24px}.brand-icon{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,#7c3aed,#2563eb);color:#fff;display:grid;place-items:center;font-weight:900}.brand strong{display:block;color:#fff}.brand small{color:#9ca3af}
.nav{display:grid;gap:4px}.nav a{padding:11px 12px;border-radius:10px;font-weight:700}.nav a:hover{background:#1f2937;color:#fff}
.sidebar-footer{margin-top:auto;border-top:1px solid rgba(255,255,255,.08);padding:16px 8px 0;display:grid;gap:8px}.sidebar-footer a{color:#fff;font-weight:700}
.main{min-width:0}.topbar{height:68px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:14px;padding:0 24px;position:sticky;top:0;z-index:20}.top-user{margin-left:auto;color:var(--muted);font-size:13px}.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:10px;padding:8px 10px}
.content{padding:24px;max-width:1500px;margin:auto}
.page-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:20px}.page-head h1{margin:0;font-size:27px}.page-head p{color:var(--muted);margin:6px 0 0}
.grid{display:grid;gap:16px}.stats{grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:20px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.stat{padding:18px}.stat span{color:var(--muted);font-size:13px}.stat strong{display:block;font-size:30px;margin-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:11px;padding:10px 14px;font-weight:800}.btn-primary{background:var(--primary);color:white}.btn-primary:hover{background:var(--primary2)}.btn-light{background:white;border:1px solid var(--line);color:var(--text)}.btn-danger{background:#fee2e2;color:#991b1b}
.toolbar{padding:14px;display:grid;grid-template-columns:2fr repeat(4,minmax(130px,1fr));gap:10px;margin-bottom:16px}.control,.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:white;border-radius:10px;padding:10px 11px;outline:none}.field textarea{min-height:110px;resize:vertical}.field label{font-size:12px;font-weight:800;color:var(--muted)}.field{display:grid;gap:7px}.form{padding:20px;display:grid;gap:14px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.form-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;min-width:900px}.table th{text-align:left;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-size:11px;padding:12px;border-bottom:1px solid var(--line)}.table td{padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:top}.table tr:hover td{background:#fafafa}
.badge{display:inline-block;border-radius:999px;padding:5px 8px;font-size:11px;font-weight:800}.status-pending{background:#fef3c7;color:#92400e}.status-progress{background:#dbeafe;color:#1d4ed8}.status-done{background:#dcfce7;color:#166534}.priority-high{background:#fee2e2;color:#991b1b}.priority-medium{background:#fef3c7;color:#92400e}.priority-low{background:#f3f4f6;color:#4b5563}
.actions{display:flex;gap:6px;flex-wrap:wrap}.link-btn{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 8px}
.alert{padding:12px 14px;border-radius:11px;margin-bottom:14px}.alert-success{background:#dcfce7;color:#166534}.alert-error{background:#fee2e2;color:#991b1b}.alert-warning{background:#fef3c7;color:#92400e}
.overdue{color:var(--danger);font-weight:800}.muted{color:var(--muted)}.empty{padding:40px;text-align:center;color:var(--muted)}
.auth-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#10131c,#232a3a)}.auth-card{width:min(430px,100%);background:#fff;border-radius:20px;padding:28px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.auth-brand{display:flex;gap:12px;align-items:center;margin-bottom:20px}.auth-card h1{margin:0 0 6px}.auth-card p{color:var(--muted);margin:0 0 20px}
.checkbox{display:flex;gap:8px;align-items:center}.checkbox input{width:auto}
@media(max-width:1100px){.stats{grid-template-columns:repeat(2,1fr)}.toolbar{grid-template-columns:1fr 1fr}}
@media(max-width:780px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;left:-260px;z-index:50;width:245px;transition:.2s}.sidebar.open{left:0}.menu-btn{display:block}.content{padding:16px}.topbar{padding:0 14px}.top-user{display:none}.stats{grid-template-columns:1fr 1fr}.toolbar,.form-grid,.form-grid-3{grid-template-columns:1fr}.page-head{flex-direction:column}}
@media(max-width:480px){.stats{grid-template-columns:1fr}}