*,:before,:after{box-sizing:border-box;margin:0;padding:0}body,#root{min-height:100vh}:root{--bg:#f0f2f5;--surface:#fff;--text:#1a1a2e;--text-h:#16213e;--text-m:#6b7280;--accent:#6366f1;--accent-light:#818cf8;--accent-bg:#eef2ff;--danger:#ef4444;--danger-bg:#fef2f2;--success:#10b981;--border:#e5e7eb;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius:12px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6}.app{flex-direction:column;min-height:100vh;display:flex}.app-header{color:#fff;z-index:100;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 100%);padding:16px 24px;position:sticky;top:0;box-shadow:0 4px 12px #6366f14d}.header-inner{flex-wrap:wrap;align-items:center;gap:16px;max-width:1280px;margin:0 auto;display:flex}.logo{align-items:center;gap:10px;display:flex}.logo-icon{font-size:28px}.logo h1{letter-spacing:-.5px;font-size:22px;font-weight:700}.month-nav{background:#ffffff26;border-radius:8px;align-items:center;gap:8px;margin-left:auto;padding:4px 8px;display:flex}.month-label{text-align:center;min-width:90px;font-size:15px;font-weight:600}.btn-icon{color:#fff;cursor:pointer;background:0 0;border:none;border-radius:4px;padding:4px;font-size:20px;transition:background .2s;display:flex}.btn-icon:hover{background:#fff3}.btn-export{color:#fff;cursor:pointer;background:#fff3;border:1px solid #ffffff4d;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:500;transition:background .2s;display:flex}.btn-export:hover{background:#ffffff4d}.app-main{flex:1;grid-template-columns:1fr 380px;gap:24px;width:100%;max-width:1280px;margin:0 auto;padding:24px;display:grid}@media (width<=900px){.app-main{grid-template-columns:1fr;padding:16px}}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card h2{color:var(--text-h);margin-bottom:16px;font-size:17px;font-weight:600}.summary-cards{box-shadow:none;background:0 0;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px;padding:0;display:grid}.summary-item{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:4px;padding:16px;display:flex}.summary-label{color:var(--text-m);font-size:13px;font-weight:500}.summary-value{color:var(--text-h);font-size:22px;font-weight:700}.summary-value.negative{color:var(--danger)}@media (width<=640px){.summary-cards{grid-template-columns:repeat(2,1fr)}}.chart-card{margin-bottom:20px}.chart-empty{text-align:center;color:var(--text-m);padding:60px 0;font-size:14px}.chart-tooltip{border:1px solid var(--border);box-shadow:var(--shadow-lg);background:#fff;border-radius:8px;padding:10px 14px;font-size:13px}.chart-tooltip strong{margin-bottom:4px;display:block}.expense-form{margin-bottom:20px}.form-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px;display:grid}.form-group{flex-direction:column;gap:4px;display:flex}.form-group label{color:var(--text-m);font-size:13px;font-weight:500}.form-group input,.form-group select{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:10px 12px;font-size:14px;transition:border-color .2s}.form-group input:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg);outline:none}.form-error{background:var(--danger-bg);color:var(--danger);border-radius:8px;margin-bottom:12px;padding:8px 12px;font-size:13px}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-size:14px;font-weight:600;transition:all .2s}.btn-primary{background:var(--accent);color:#fff;width:100%}.btn-primary:hover{background:var(--accent-light)}.btn-secondary{background:var(--accent-bg);color:var(--accent)}.btn-secondary:hover{background:var(--accent);color:#fff}.expense-items{flex-direction:column;gap:8px;max-height:400px;display:flex;overflow-y:auto}.expense-item{background:var(--bg);border-radius:10px;align-items:center;gap:12px;padding:12px;transition:transform .15s;display:flex}.expense-item:hover{transform:translate(2px)}.expense-icon{border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-size:18px;display:flex}.expense-info{flex-direction:column;flex:1;min-width:0;display:flex}.expense-desc{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.expense-meta{color:var(--text-m);font-size:12px}.expense-amount{color:var(--text-h);flex-shrink:0;font-size:15px;font-weight:700}.btn-delete{color:var(--text-m);cursor:pointer;background:0 0;border:none;border-radius:6px;flex-shrink:0;padding:4px 8px;font-size:18px;transition:all .2s}.btn-delete:hover{color:var(--danger);background:var(--danger-bg)}.empty-state{text-align:center;color:var(--text-m);padding:40px 20px;font-size:14px}.budget-manager{margin-bottom:20px}.budget-form{gap:8px;margin-bottom:16px;display:flex}.budget-form select,.budget-form input{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:10px 12px;font-size:14px}.budget-form select{flex:1}.budget-form input{width:120px}.budget-form select:focus,.budget-form input:focus{border-color:var(--accent);outline:none}.budget-empty{text-align:center;color:var(--text-m);padding:16px;font-size:14px}.budget-bars{flex-direction:column;gap:16px;display:flex}.budget-bar-item{padding:4px 0}.budget-bar-header{align-items:center;gap:8px;margin-bottom:6px;display:flex}.budget-bar-label{flex:1;font-size:14px;font-weight:500}.budget-bar-amount{color:var(--text-m);font-size:13px;font-weight:500}.budget-bar-amount.exceeded{color:var(--danger);font-weight:700}.btn-remove{color:var(--text-m);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:16px;transition:all .2s}.btn-remove:hover{color:var(--danger);background:var(--danger-bg)}.progress-track{background:var(--bg);border-radius:10px;height:10px;overflow:hidden}.progress-fill{border-radius:10px;width:0;height:100%;animation:.8s cubic-bezier(.22,1,.36,1) forwards fillBar;position:relative}.progress-fill:after{content:"";background:linear-gradient(90deg,#0000,#ffffff4d,#0000);animation:2s infinite shimmer;position:absolute;inset:0}.progress-fill.exceeded{animation:.8s cubic-bezier(.22,1,.36,1) forwards fillBarPulse}@keyframes fillBar{0%{width:0}to{width:var(--target-width)}}@keyframes fillBarPulse{0%{width:0}to{width:var(--target-width)}}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}@media (width<=640px){.header-inner{justify-content:center;gap:12px}.logo h1{font-size:18px}.month-nav{order:3;margin-left:0}.btn-export{order:4;justify-content:center;width:100%}.form-grid{grid-template-columns:1fr}.budget-form{flex-direction:column}.budget-form input{width:100%}}