:root{--primary: #0070ba;--primary-dark: #005ea6;--primary-light: #e8f4fd;--bg: #f0f4f8;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--green: #16a34a;--green-bg: #f0fdf4;--amber: #d97706;--amber-bg: #fffbeb;--red: #dc2626;--red-bg: #fef2f2;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.05);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}.app{min-height:100dvh;display:flex;flex-direction:column}.main-content{flex:1;padding:16px 16px 80px;max-width:900px;margin:0 auto;width:100%}.top-bar{background:var(--primary);color:#fff;box-shadow:var(--shadow-md);position:sticky;top:0;z-index:100}.top-bar-inner{max-width:900px;margin:0 auto;padding:0 16px;height:56px;display:flex;align-items:center;gap:24px}.app-title{font-size:20px;font-weight:700;letter-spacing:-.3px;flex-shrink:0}.top-nav{display:none;gap:4px}.nav-tab{background:transparent;border:none;color:#fffc;padding:6px 14px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:background .15s,color .15s}.nav-tab:hover{background:#ffffff26;color:#fff}.nav-tab.active{background:#fff3;color:#fff;font-weight:600}.month-selector{margin-left:auto;display:flex;align-items:center;gap:8px}.month-btn{background:#ffffff26;border:none;color:#fff;width:28px;height:28px;border-radius:6px;cursor:pointer;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .15s}.month-btn:hover{background:#ffffff40}.month-label{font-size:14px;font-weight:600;min-width:120px;text-align:center}.bottom-nav{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);display:flex;z-index:100;box-shadow:0 -2px 8px #00000014}.bottom-nav-tab{flex:1;background:none;border:none;padding:12px 8px;font-size:13px;font-weight:500;color:var(--text-muted);cursor:pointer;transition:color .15s}.bottom-nav-tab.active{color:var(--primary);font-weight:600}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:12px}.card-title{font-size:16px;font-weight:600;margin-bottom:12px;color:var(--text)}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:12px}.summary-card{text-align:center;padding:14px 10px}.summary-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.summary-amount{font-size:20px;font-weight:700;color:var(--text)}.over-budget .summary-amount{color:var(--red)}.over-budget{border:1px solid var(--red)}.section{margin-bottom:16px}.section-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);margin-bottom:8px}.category-list{display:flex;flex-direction:column;gap:10px}.category-card{padding:14px 16px}.category-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.category-header-right{display:flex;align-items:center;gap:8px}.category-toggle{cursor:pointer;-webkit-user-select:none;user-select:none}.expand-chevron{font-size:11px;color:var(--text-muted);width:12px;text-align:center;flex-shrink:0}.category-name{font-weight:600;font-size:15px}.category-amounts{font-size:14px;font-weight:600}.text-muted{color:var(--text-muted);font-weight:400}.progress-track{height:6px;background:var(--border);border-radius:4px;overflow:hidden;margin-bottom:0}.progress-bar{height:100%;border-radius:4px;transition:width .4s ease}.progress-green{background:var(--green)}.progress-amber{background:var(--amber)}.progress-red{background:var(--red)}.tracking-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}.tracking-card{padding:14px 16px}.tracking-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:0}.tracking-amount{font-size:17px;font-weight:700;color:var(--text)}.expense-list{list-style:none;border-top:1px solid var(--border);padding-top:8px;margin-top:4px;display:flex;flex-direction:column;gap:4px}.expense-row{display:flex;align-items:center;gap:8px;font-size:13px;padding:4px 0}.expense-date{color:var(--text-muted);flex-shrink:0;width:46px}.expense-desc{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.expense-amount{font-weight:600;flex-shrink:0}.edit-btn{background:none;border:1px solid var(--border);color:var(--text-muted);padding:2px 8px;border-radius:6px;cursor:pointer;font-size:12px;flex-shrink:0;transition:border-color .15s,color .15s}.edit-btn:hover{border-color:var(--primary);color:var(--primary)}.empty-cat{font-size:13px;color:var(--text-muted);font-style:italic;padding-top:4px}.empty-state{text-align:center;padding:32px 16px;color:var(--text-muted)}.expense-entry{display:flex;flex-direction:column;gap:12px}.hint-text{font-size:13px;color:var(--text-muted);margin-bottom:10px}.paste-area{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-family:SF Mono,Menlo,monospace;font-size:12px;color:var(--text);background:var(--bg);resize:vertical;margin-bottom:10px;transition:border-color .15s}.paste-area:focus{outline:none;border-color:var(--primary)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:9px 18px;border-radius:8px;border:none;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-danger{background:var(--red-bg);color:var(--red);border:1px solid #fecaca}.btn-danger:hover:not(:disabled){background:#fecaca}.review-table-wrap{overflow-x:auto;margin-bottom:12px;border:1px solid var(--border);border-radius:8px}.review-table{width:100%;border-collapse:collapse;font-size:13px}.review-table th{background:var(--bg);padding:8px 10px;text-align:left;font-weight:600;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--border)}.review-table td{padding:7px 10px;border-bottom:1px solid var(--border);vertical-align:middle}.review-table tr:last-child td{border-bottom:none}.row-excluded{opacity:.4}.col-date{white-space:nowrap;color:var(--text-muted)}.col-desc{min-width:180px}.col-amount{text-align:right;font-weight:600;white-space:nowrap}.amount-credit{color:var(--green)}.cat-select{border:1px solid var(--border);border-radius:6px;padding:4px 8px;font-size:13px;background:var(--surface);color:var(--text);cursor:pointer}.badge{display:inline-block;font-size:10px;font-weight:700;padding:1px 5px;border-radius:4px;margin-left:5px;text-transform:uppercase;letter-spacing:.3px}.badge-auto{background:var(--primary-light);color:var(--primary)}.badge-credit{background:var(--green-bg);color:var(--green)}.import-actions{display:flex;justify-content:flex-end;gap:10px}.collapsible-toggle{width:100%;background:none;border:none;display:flex;justify-content:space-between;align-items:center;font-size:15px;font-weight:600;cursor:pointer;color:var(--text);padding:0}.single-form{display:flex;flex-direction:column;gap:12px;margin-top:14px}.single-form label,.modal-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:500;color:var(--text-muted)}.single-form input,.single-form select,.modal-form input,.modal-form select{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;color:var(--text);background:var(--surface);transition:border-color .15s}.single-form input:focus,.single-form select:focus,.modal-form input:focus,.modal-form select:focus{outline:none;border-color:var(--primary)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.history-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;flex-wrap:wrap;gap:8px}.history-actions{display:flex;gap:8px}.table-card{padding:0;overflow:hidden}.table-wrap{overflow-x:auto}.history-table{width:100%;border-collapse:collapse;font-size:13px}.history-table th{background:var(--bg);padding:9px 12px;text-align:right;font-weight:600;font-size:12px;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap}.history-table th.cat-col{text-align:left}.history-table td{padding:8px 12px;border-bottom:1px solid var(--border);text-align:right}.history-table tr:last-child td{border-bottom:none}.cat-col{text-align:left!important;font-weight:500}.amount-cell{white-space:nowrap}.cell-green{background:var(--green-bg);color:var(--green);font-weight:600}.cell-amber{background:var(--amber-bg);color:var(--amber);font-weight:600}.cell-red{background:var(--red-bg);color:var(--red);font-weight:600}.total-row td{font-weight:700;background:var(--bg);border-top:2px solid var(--border)}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-md);width:100%;max-width:420px;padding:20px}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal-title{font-size:17px;font-weight:700}.modal-close{background:none;border:none;cursor:pointer;font-size:16px;color:var(--text-muted);padding:4px 8px;border-radius:6px;transition:background .15s}.modal-close:hover{background:var(--border)}.modal-form{display:flex;flex-direction:column;gap:14px}.modal-actions{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.modal-actions-right{display:flex;gap:8px}@media (min-width: 768px){.top-nav{display:flex}.bottom-nav{display:none}.main-content{padding:24px}.month-selector{display:flex}.summary-amount{font-size:24px}.summary-grid{gap:14px}.card{padding:20px}.category-card,.tracking-card{padding:12px 16px}}