:root{--bg: #f4f5f7;--panel: #ffffff;--text: #1f2937;--text-muted: #6b7280;--border: #e5e7eb;--primary: #2563eb;--primary-dark: #1d4ed8;--danger: #dc2626;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:1080px;margin:0 auto;padding:24px 20px 60px}.app-header{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}.app-header h1{font-size:24px;margin:0}.app-header-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg)}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:14px}.login-card h1{font-size:20px;margin:0;text-align:center}.tabs{display:flex;gap:4px;background:var(--panel);padding:4px;border-radius:var(--radius);border:1px solid var(--border);width:fit-content}.tab{border:none;background:transparent;padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;color:var(--text-muted)}.tab.active{background:var(--primary);color:#fff}.loading,.empty{color:var(--text-muted);padding:20px 0}.alert{padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:14px}.alert.error{background:#fee2e2;color:#991b1b}.month-picker{display:flex;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:8px 16px;width:fit-content}.month-picker button{border:none;background:transparent;font-size:20px;cursor:pointer;color:var(--text-muted);line-height:1;padding:4px 8px}.month-picker button:hover{color:var(--primary)}.month-label{font-weight:600;min-width:150px;text-align:center}.dashboard,.expenses-page,.manager-page{display:flex;flex-direction:column;gap:20px;margin-top:16px}.cards-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;display:flex;flex-direction:column;gap:6px}.stat-label{font-size:13px;color:var(--text-muted)}.stat-value{font-size:22px;font-weight:700}.panels-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 800px){.panels-row{grid-template-columns:1fr}}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.panel h3{margin:0 0 16px;font-size:15px;color:var(--text)}.card-usage-list{display:flex;flex-direction:column;gap:14px}.card-usage-header{display:flex;justify-content:space-between;font-size:14px;margin-bottom:6px}.profile-breakdown{margin:0;font-size:12px;color:var(--text-muted)}.progress-bar{height:8px;background:var(--bg);border-radius:4px;overflow:hidden}.progress-fill{height:100%;border-radius:4px}.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;vertical-align:middle}.page-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}.page-header-actions{display:flex;align-items:center;gap:10px}.profile-filter{padding:9px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff}.btn{border:none;border-radius:8px;padding:10px 18px;font-size:14px;cursor:pointer;font-weight:500}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark)}.btn.primary:disabled{opacity:.6;cursor:not-allowed}.btn.secondary{background:var(--bg);color:var(--text)}.btn-icon{border:none;background:transparent;cursor:pointer;font-size:15px;opacity:.6}.btn-icon:hover{opacity:1}.expense-form{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.expense-form h3{margin-top:0}.field-row{margin-bottom:14px}.field-row.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field-row.three-col{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--text-muted)}.checkbox-label{flex-direction:row;align-items:center;gap:8px}.checkbox-label input[type=checkbox]{width:auto}.hint{font-size:13px;color:var(--text-muted);margin-top:-6px;margin-bottom:16px}input,select{padding:9px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;color:var(--text);background:#fff;font-family:inherit}input:focus,select:focus{outline:none;border-color:var(--primary)}.form-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:6px}.list-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.list-total{font-weight:700;font-size:16px}.expense-table{width:100%;border-collapse:collapse;font-size:14px}.expense-table th{text-align:left;color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;padding:8px 10px;border-bottom:1px solid var(--border)}.expense-table td{padding:10px;border-bottom:1px solid var(--border)}.align-right{text-align:right}.badge{color:#fff;font-size:12px;padding:3px 8px;border-radius:999px}.item-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.item-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--border)}.item-name{font-weight:500}.item-meta{color:var(--text-muted);font-size:13px;margin-left:auto;margin-right:12px}