:root{--bg: #0f1117;--card-bg: #1a1d27;--border: #2a2d3a;--text: #e4e4e7;--text-muted: #9ca3af;--accent: #6366f1;--green: #22c55e;--red: #ef4444;--blue: #3b82f6;--orange: #f59e0b;--purple: #a855f7}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{background:var(--card-bg);border-radius:16px;padding:40px;display:flex;flex-direction:column;gap:16px;width:340px;border:1px solid var(--border)}.login-card h1{text-align:center;font-size:28px}.login-card input{padding:12px 16px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:16px}.login-card button{padding:12px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-size:16px;cursor:pointer;font-weight:600}.login-card button:hover{opacity:.9}.error{color:var(--red);text-align:center;font-size:14px}.app{max-width:1100px;margin:0 auto;padding:16px}.loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:18px}header{display:flex;align-items:center;justify-content:space-between;padding:16px 0;flex-wrap:wrap;gap:12px}.header-left{display:flex;align-items:center;gap:16px}.header-left h1{font-size:24px}.rate{color:var(--text-muted);font-size:14px;background:var(--card-bg);padding:4px 10px;border-radius:6px}.month-nav{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:600}.month-nav button{background:var(--card-bg);border:1px solid var(--border);color:var(--text);padding:6px 12px;border-radius:8px;cursor:pointer;font-size:16px}.month-nav button:hover{background:var(--border)}.logout{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px}.logout:hover{color:var(--red);border-color:var(--red)}.tabs{display:flex;gap:4px;padding:4px;background:var(--card-bg);border-radius:12px;margin-bottom:20px}.tabs button{flex:1;padding:10px;border:none;background:transparent;color:var(--text-muted);border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.tabs button.active{background:var(--accent);color:#fff}.tabs button:hover:not(.active){color:var(--text)}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.card{background:var(--card-bg);border-radius:12px;padding:20px;border:1px solid var(--border)}.card-title{font-size:14px;color:var(--text-muted);margin-bottom:8px}.card-amount{font-size:24px;font-weight:700}.card-sub{font-size:14px;color:var(--text-muted);margin-top:4px}.card.green .card-amount{color:var(--green)}.card.red .card-amount{color:var(--red)}.card.blue .card-amount{color:var(--blue)}.card.orange .card-amount{color:var(--orange)}.card.purple .card-amount{color:var(--purple)}.category-breakdown{background:var(--card-bg);border-radius:12px;padding:20px;border:1px solid var(--border)}.category-breakdown h3{margin-bottom:16px;font-size:16px}.cat-bars{display:flex;flex-direction:column;gap:10px}.cat-bar-row{display:flex;align-items:center;gap:12px}.cat-name{width:140px;font-size:14px;color:var(--text-muted);text-align:right;flex-shrink:0}.cat-bar{flex:1;height:8px;background:var(--border);border-radius:4px;overflow:hidden}.cat-bar-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .3s}.cat-amount{width:100px;font-size:14px;text-align:right;flex-shrink:0}.quick-form{display:flex;gap:8px;flex-wrap:wrap;align-items:center;background:var(--card-bg);padding:16px;border-radius:12px;border:1px solid var(--border);margin-bottom:20px}.quick-form input,.quick-form select{padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px}.quick-form input[type=text],.quick-form input[type=number]{flex:1;min-width:120px}.quick-form input:first-child{min-width:200px}.form-row{display:flex;gap:8px;flex:1;min-width:180px}.form-row input{flex:1}.form-row select{width:60px}.quick-form button{padding:10px 20px;border-radius:8px;border:none;background:var(--accent);color:#fff;font-weight:600;cursor:pointer;font-size:14px;white-space:nowrap}.quick-form button:hover{opacity:.9}.checkbox-label{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--text-muted);cursor:pointer}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}thead{background:var(--card-bg)}th{text-align:left;padding:12px;font-size:13px;color:var(--text-muted);font-weight:500;border-bottom:1px solid var(--border)}td{padding:12px;border-bottom:1px solid var(--border);font-size:14px}tr:hover{background:#6366f10d}tr.paid{opacity:.5}tr.paid td:nth-child(2){text-decoration:line-through}.rate-cell{color:var(--text-muted);font-size:13px}.btn-del{background:transparent;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;padding:4px 8px;border-radius:4px}.btn-del:hover{color:var(--red);background:#ef44441a}.cat-list{display:flex;flex-direction:column;gap:8px}.cat-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--card-bg);border-radius:8px;border:1px solid var(--border)}.section h2{margin-bottom:12px;font-size:18px}.empty{color:var(--text-muted);text-align:center;padding:40px}.actions-cell{display:flex;gap:4px;align-items:center;white-space:nowrap}.btn-edit{background:transparent;border:none;cursor:pointer;font-size:15px;padding:4px 6px;border-radius:4px;line-height:1}.btn-edit:hover{background:#6366f126}.edit-row td{padding:8px 12px;background:#6366f10f}.inline-edit-form{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.inline-edit-form input,.inline-edit-form select{padding:8px 10px;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:13px}.inline-edit-form input[type=text],.inline-edit-form input:not([type]){flex:1;min-width:120px}.inline-edit-form input[type=number]{width:110px}.btn-save{background:var(--green);border:none;color:#fff;padding:6px 12px;border-radius:6px;cursor:pointer;font-size:14px;line-height:1}.btn-save:hover{opacity:.85}.btn-cancel{background:transparent;border:1px solid var(--border);color:var(--text-muted);padding:6px 10px;border-radius:6px;cursor:pointer;font-size:14px;line-height:1}.btn-cancel:hover{color:var(--red);border-color:var(--red)}.inline-edit-cat{display:flex;gap:8px;align-items:center;flex:1}.inline-edit-cat input{flex:1;padding:8px 10px;border-radius:6px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-size:14px}@media (max-width: 640px){.app{padding:8px}header{flex-direction:column;align-items:stretch;text-align:center}.header-left,.month-nav{justify-content:center}.logout{align-self:center}.tabs{font-size:12px}.tabs button{padding:8px 4px;font-size:12px}.cards{grid-template-columns:1fr 1fr}.quick-form{flex-direction:column}.quick-form input:first-child{min-width:unset}.form-row{width:100%}.cat-name{width:90px}}.color-picker{width:36px;height:36px;padding:2px;border:1px solid var(--border);border-radius:6px;cursor:pointer;background:var(--bg)}.cat-color-dot{display:inline-block;width:14px;height:14px;border-radius:50%;margin-right:8px;flex-shrink:0}