*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--sidebar-w:220px;--header-h:52px;--color-primary:#2563eb;--color-primary-h:#1d4ed8;--color-bg:#f3f4f6;--color-surface:#fff;--color-border:#e5e7eb;--color-text:#111827;--color-muted:#6b7280;--color-danger:#dc2626;--color-success:#16a34a;--color-warning:#d97706;--sidebar-bg:#1e293b;--sidebar-text:#94a3b8;--sidebar-active:#fff;--radius:6px}body{font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:14px;color:var(--color-text);background:var(--color-bg)}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-w);flex-shrink:0;background:var(--sidebar-bg);display:flex;flex-direction:column;overflow-y:auto}.sidebar-brand{padding:20px 16px 16px;font-size:15px;font-weight:700;color:#fff;border-bottom:1px solid hsla(0,0%,100%,.07)}.sidebar-nav{display:flex;flex-direction:column;padding:8px 0}.sidebar-link{display:block;padding:9px 16px;color:var(--sidebar-text);text-decoration:none;font-size:13.5px;border-left:3px solid transparent;transition:background .15s,color .15s}.sidebar-link:hover{background:hsla(0,0%,100%,.06);color:#e2e8f0}.sidebar-link.active{background:hsla(0,0%,100%,.1);color:var(--sidebar-active);border-left-color:var(--color-primary);font-weight:600}.main-area{flex:1 1;display:flex;flex-direction:column;overflow:hidden}.app-header{height:var(--header-h);flex-shrink:0;background:var(--color-surface);border-bottom:1px solid var(--color-border);display:flex;align-items:center;justify-content:space-between;padding:0 20px}.header-title{font-size:15px;font-weight:600}.header-user{display:flex;align-items:center;gap:12px;color:var(--color-muted);font-size:13px}.page-content{flex:1 1;overflow-y:auto;padding:24px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--sidebar-bg)}.login-card{background:var(--color-surface);border-radius:var(--radius);padding:36px 32px;width:340px;box-shadow:0 4px 24px rgba(0,0,0,.25)}.login-title{font-size:20px;font-weight:700;color:var(--color-text);margin-bottom:4px}.login-subtitle{font-size:13px;color:var(--color-muted);margin-bottom:24px}.login-form{display:flex;flex-direction:column;gap:16px}.login-error{font-size:13px;color:var(--color-danger);background:#fef2f2;border:1px solid #fecaca;border-radius:var(--radius);padding:8px 12px}.btn-login{width:100%;padding:10px;background:var(--color-primary);color:#fff;border:none;border-radius:var(--radius);font-size:14px;font-weight:600;cursor:pointer;transition:background .15s}.btn-login:hover:not(:disabled){background:var(--color-primary-h)}.btn-login:disabled{opacity:.6;cursor:not-allowed}.btn-logout{padding:5px 12px;background:transparent;border:1px solid var(--color-border);border-radius:var(--radius);font-size:12px;color:var(--color-muted);cursor:pointer;transition:background .15s}.btn-logout:hover{background:var(--color-bg);color:var(--color-text)}.form-group{display:flex;flex-direction:column;gap:5px}.form-label{font-size:13px;font-weight:500;color:var(--color-text)}.form-input{padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:14px;color:var(--color-text);background:var(--color-surface);outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--color-primary)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px}.card-title{font-size:15px;font-weight:600;margin-bottom:16px}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border:1px solid var(--color-border);border-radius:var(--radius);font-size:13px;font-weight:500;cursor:pointer;background:var(--color-surface);color:var(--color-text);text-decoration:none;transition:background .15s}.btn:hover{background:var(--color-bg)}.btn-primary{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-h);border-color:var(--color-primary-h)}.btn-danger{background:var(--color-danger);border-color:var(--color-danger);color:#fff}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600}.badge-green{background:#dcfce7;color:#15803d}.badge-red{background:#fee2e2;color:#b91c1c}.badge-blue{background:#dbeafe;color:#1d4ed8}.badge-yellow{background:#fef9c3;color:#a16207}.badge-gray{background:#f3f4f6;color:#4b5563}.table-wrapper{overflow-x:auto;border:1px solid var(--color-border);border-radius:var(--radius)}table.data-table{width:100%;border-collapse:collapse;background:var(--color-surface);font-size:13.5px}table.data-table th{text-align:left;padding:10px 14px;font-size:12px;font-weight:600;color:var(--color-muted);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap}table.data-table td,table.data-table th{border-bottom:1px solid var(--color-border)}table.data-table td{padding:11px 14px}table.data-table tr:last-child td{border-bottom:none}table.data-table tbody tr:hover{background:#fafafa}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.page-header h1{font-size:20px;font-weight:700}.amount{font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.amount-positive{color:var(--color-success)}.amount-negative{color:var(--color-danger)}.empty-state,.text-muted{color:var(--color-muted)}.empty-state{text-align:center;padding:48px}@media print{body{background:#fff}.no-print{display:none!important}}