.app{max-width:1100px;margin:0 auto;padding:0 1.25rem 3rem}.app-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:.75rem 1.25rem;margin:0 -1.25rem 1.75rem;display:flex;flex-direction:column;gap:.6rem}.header-top{display:flex;align-items:center;justify-content:space-between;gap:1rem}.header-brand h1{margin:0;font-size:1.35rem;font-weight:700;letter-spacing:-.03em;color:var(--text)}.header-brand span{font-size:.78rem;color:var(--muted)}.header-actions{display:flex;align-items:center;gap:.45rem}.month-bar{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.month-bar label{color:var(--muted);font-size:.82rem;display:flex;align-items:center;gap:.35rem;font-weight:500}.month-bar select{min-width:7rem}.month-bar-divider{display:inline-block;width:1px;height:1.4rem;background:var(--border2);margin:0 .2rem}.btn{border:none;border-radius:8px;padding:.42rem .85rem;font-weight:500;font-size:.85rem;transition:background .15s,transform .1s,box-shadow .15s,border-color .15s;white-space:nowrap}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 4px #0003}.btn-primary:hover{background:var(--accent-dim);box-shadow:0 3px 10px #2563eb59}.btn-ghost{background:var(--surface2);color:var(--text);border:1px solid var(--border2)}.btn-ghost:hover{background:var(--surface3);border-color:var(--muted)}.btn-icon-only{padding:.42rem .6rem;font-size:1.05rem;line-height:1}.btn:disabled{cursor:not-allowed;opacity:.55}.btn-danger{background:transparent;color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 35%,transparent);padding:.35rem .65rem;font-size:.8rem}.btn-danger:hover{background:color-mix(in srgb,var(--danger) 10%,transparent)}.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);padding:1.2rem 1.35rem;margin-bottom:1.2rem;box-shadow:var(--shadow)}.card h2{margin:0;font-size:.98rem;font-weight:600;color:var(--text);letter-spacing:-.01em}.card-header-row{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:.9rem;padding-bottom:.75rem;border-bottom:1px solid var(--border)}.collapse-btn{border:1px solid var(--border2);background:var(--surface2);color:var(--muted);border-radius:6px;width:1.85rem;height:1.85rem;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .15s,color .15s;flex-shrink:0}.collapse-btn:hover{background:var(--surface3);color:var(--text)}.collapse-icon{display:inline-block;transition:transform .2s ease;font-size:.85rem}.collapse-icon.collapsed{transform:rotate(-90deg)}.summary-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:.85rem}.summary-item{background:var(--surface2);padding:.85rem 1rem;border-radius:8px;border:1px solid var(--border);border-left:3px solid var(--accent)}.summary-item span{display:block;font-size:.69rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.3rem}.summary-item strong{font-size:1.12rem;font-variant-numeric:tabular-nums;color:var(--text)}.summary-item.balance strong{color:var(--success)}.summary-item.balance.negative strong{color:var(--danger)}.form-row{display:flex;flex-wrap:wrap;gap:.75rem;align-items:flex-end;margin-bottom:1rem}.form-row label{display:flex;flex-direction:column;gap:.28rem;font-size:.77rem;font-weight:500;color:var(--muted)}.table-wrap{overflow-x:auto;border-radius:8px;border:1px solid var(--border)}table{width:100%;border-collapse:collapse;font-size:.875rem}th,td{text-align:left;padding:.55rem .75rem;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;background:var(--surface2)}tbody tr:last-child td{border-bottom:none}tbody tr:nth-child(2n) td{background:color-mix(in srgb,var(--surface2) 55%,transparent)}tbody tr:hover td{background:color-mix(in srgb,var(--accent) 6%,transparent)}td input[type=text],td input[type=number],td select{width:100%;min-width:0;padding:.35rem .5rem;font-size:.85rem}td input[type=checkbox]{width:1.1rem;height:1.1rem;accent-color:var(--accent)}.auth-box{max-width:400px;margin:5rem auto 2rem;padding:2.25rem 2rem;background:var(--surface);border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow)}.auth-box h1{margin:0 0 .25rem;font-size:1.45rem;font-weight:700;letter-spacing:-.03em}.auth-box p{margin:0 0 1.5rem;color:var(--muted);font-size:.875rem}.auth-box .form-row{flex-direction:column;align-items:stretch}.auth-box label,.auth-box input{width:100%}.auth-toggle{margin-top:1rem;text-align:center;font-size:.875rem;color:var(--muted)}.auth-toggle button{background:none;border:none;color:var(--accent);text-decoration:underline;padding:0;cursor:pointer}.msg-error{color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,transparent);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);border-radius:8px;padding:.6rem .85rem;font-size:.875rem;margin-bottom:1rem}.msg-info{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);border-radius:8px;padding:.6rem .85rem;font-size:.875rem;margin-bottom:1rem}.inline-actions{display:flex;gap:.35rem;flex-wrap:wrap}.btn-save-saving{animation:btnPulse .9s ease-in-out infinite}.btn-save-success{background:color-mix(in srgb,var(--success) 15%,transparent);border:1px solid color-mix(in srgb,var(--success) 40%,transparent);color:var(--success)}.btn-save-error{background:color-mix(in srgb,var(--danger) 12%,transparent);border:1px solid color-mix(in srgb,var(--danger) 40%,transparent);color:var(--danger)}@keyframes btnPulse{0%,to{box-shadow:0 0 color-mix(in srgb,var(--accent) 30%,transparent)}50%{box-shadow:0 0 0 8px transparent}}@media (max-width: 640px){.app{padding:0 .75rem 2rem}.app-header{margin:0 -.75rem 1.25rem;padding:.7rem .75rem}.summary-grid{grid-template-columns:repeat(2,1fr)}.month-bar-divider{display:none}}:root{--bg: #0f1419;--surface: #1a2332;--surface2: #243044;--surface3: #1d2c40;--text: #e8ecf1;--muted: #8b9cb3;--accent: #3d9cf0;--accent-dim: #2a7dd4;--success: #3dd68c;--danger: #f06b6b;--border: #2d3a4d;--border2: #334155;--radius: 10px;--shadow: 0 2px 14px rgba(0, 0, 0, .35);--header-bg: rgba(15, 20, 25, .88)}[data-theme=light]{--bg: #f1f5fb;--surface: #ffffff;--surface2: #eef2f8;--surface3: #e3e9f4;--text: #1a2332;--muted: #5a6a7e;--accent: #2563eb;--accent-dim: #1d4ed8;--success: #16a34a;--danger: #dc2626;--border: #dde3ed;--border2: #c8d2df;--shadow: 0 2px 14px rgba(0, 0, 0, .07);--header-bg: rgba(241, 245, 251, .92)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:DM Sans,system-ui,sans-serif;line-height:1.5;color:var(--text);background:var(--bg);transition:background .22s,color .22s}#root{min-height:100vh}button,input,select{font:inherit}button{cursor:pointer}input[type=number],input[type=text],input[type=email],input[type=password],select{background:var(--surface2);border:1px solid var(--border2);color:var(--text);border-radius:8px;padding:.5rem .75rem;transition:border-color .15s,background .15s}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}