:root{--color-bg: #f4f6f8;--color-surface: #ffffff;--color-border: #e2e5e9;--color-text: #1f2937;--color-text-muted: #6b7280;--color-primary: #1d4e89;--color-primary-dark: #163c68;--color-success: #1b7a43;--color-success-bg: #e6f4ea;--color-warning: #a15c00;--color-warning-bg: #fdf1de;--color-danger: #b3261e;--color-danger-bg: #fbe9e7;--color-info-bg: #e8eef7;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--color-bg);color:var(--color-text)}a{color:var(--color-primary)}.app-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--color-primary-dark);color:#fff;display:flex;flex-direction:column;flex-shrink:0}.sidebar-brand{padding:20px 16px;font-weight:700;font-size:1.1rem;border-bottom:1px solid rgba(255,255,255,.15)}.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}.sidebar-nav a{display:block;padding:10px 20px;color:#ffffffd9;text-decoration:none;font-size:.92rem}.sidebar-nav a:hover,.sidebar-nav a.active{background:#ffffff1f;color:#fff}.sidebar-section{padding:14px 20px 6px;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:#ffffff80}.main-area{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:12px 24px;display:flex;align-items:center;justify-content:space-between}.topbar-user{display:flex;align-items:center;gap:14px;font-size:.9rem}.content{padding:24px;flex:1}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;flex-wrap:wrap;gap:10px}.page-header h1{font-size:1.4rem;margin:0}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}@media (max-width: 900px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr 1fr}}@media (max-width: 600px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.sidebar{width:72px}.sidebar-brand,.sidebar-section{display:none}.sidebar-nav a{text-align:center;padding:12px 4px;font-size:.7rem}}.stat-card{display:flex;flex-direction:column;gap:4px}.stat-card .value{font-size:1.6rem;font-weight:700}.stat-card .label{color:var(--color-text-muted);font-size:.82rem}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--color-border)}th{color:var(--color-text-muted);font-weight:600;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em}tbody tr:hover{background:#fafbfc}.table-wrap{overflow-x:auto}.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:6px;padding:8px 14px;font-size:.88rem;cursor:pointer;font-weight:600;background:var(--color-primary);color:#fff}.btn:hover{background:var(--color-primary-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:#fff;color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover{background:#f2f3f5}.btn-danger{background:var(--color-danger)}.btn-danger:hover{background:#8f1e18}.btn-success{background:var(--color-success)}.btn-sm{padding:5px 10px;font-size:.8rem}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.75rem;font-weight:600}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}.badge-info{background:var(--color-info-bg);color:var(--color-primary)}.badge-muted{background:#eef0f2;color:var(--color-text-muted)}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 16px}@media (max-width: 700px){.form-grid{grid-template-columns:1fr}}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:.82rem;font-weight:600;color:var(--color-text-muted)}.field input,.field select,.field textarea{padding:8px 10px;border:1px solid var(--color-border);border-radius:6px;font-size:.9rem;font-family:inherit}.field-full{grid-column:1 / -1}.alert{padding:10px 14px;border-radius:6px;font-size:.88rem;margin-bottom:14px}.alert-danger{background:var(--color-danger-bg);color:var(--color-danger)}.alert-success{background:var(--color-success-bg);color:var(--color-success)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto;z-index:50}.modal{background:#fff;border-radius:var(--radius);padding:22px;width:100%;max-width:560px}.modal h2{margin-top:0;font-size:1.15rem}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--color-primary-dark),var(--color-primary))}.login-card{background:#fff;border-radius:12px;padding:34px;width:100%;max-width:380px;box-shadow:0 10px 30px #00000040}.login-card h1{font-size:1.3rem;margin:0 0 4px}.login-card p{color:var(--color-text-muted);font-size:.88rem;margin-top:0}.filters-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;align-items:flex-end}.filters-bar .field{min-width:160px}.text-muted{color:var(--color-text-muted)}.mt-0{margin-top:0}.empty-state{padding:30px;text-align:center;color:var(--color-text-muted)}.bar-chart{display:flex;flex-direction:column;gap:10px}.bar-row{display:grid;grid-template-columns:140px 1fr auto;gap:10px;align-items:center;font-size:.85rem}.bar-track{background:#eef0f2;border-radius:4px;height:14px;overflow:hidden}.bar-fill{background:var(--color-primary);height:100%}.notif-bell{position:relative;cursor:pointer;font-size:1.2rem}.notif-dot{position:absolute;top:-4px;right:-6px;background:var(--color-danger);color:#fff;border-radius:999px;font-size:.65rem;padding:1px 5px}.notif-panel{position:absolute;right:24px;top:56px;width:320px;max-height:400px;overflow-y:auto;background:#fff;border:1px solid var(--color-border);border-radius:8px;box-shadow:var(--shadow);z-index:40}.notif-item{padding:10px 14px;border-bottom:1px solid var(--color-border);font-size:.85rem}.notif-item.unread{background:var(--color-info-bg)}