:root{color-scheme:light;--bg: #eceae4;--surface: #f8f7f2;--surface-alt: #e6e3d8;--surface-strong: #d5d1c2;--ink: #2e390c;--ink-soft: #4a5426;--muted: #6b7055;--accent: #38450f;--accent-dark: #29320a;--accent-ink: #f2f0e8;--field-bg: #38450f;--field-ink: #ecebe7;--danger: #a03a26;--danger-dark: #83301f;--danger-soft: #f1e3de;--success: #3e6b34;--warn: #8a6414;--border: #d8d4c8;--border-strong: #b4ae9c;--radius: 4px;--radius-sm: 3px;--shadow-float: 0 14px 34px rgba(46, 57, 12, .18);--font-sans: "General Sans", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;--ease-out: cubic-bezier(.22, 1, .36, 1);--ease-in-out: cubic-bezier(.76, 0, .24, 1);--t-press: .14s;--t-hover: .18s;--t-ui: .24s;--t-reveal: .5s}*{box-sizing:border-box}[hidden]{display:none!important}html,body{margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg);color:var(--ink);line-height:1.55;-webkit-text-size-adjust:100%;text-size-adjust:100%;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}#app{max-width:1080px;margin:0 auto;padding:2.1rem 1.25rem 3rem}::selection{background:var(--accent);color:var(--accent-ink)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.app-header{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.9rem}.app-header h1{font-size:clamp(1.85rem,3.2vw,2.6rem);line-height:1.08;letter-spacing:-.03em;font-weight:700;margin:0 0 .3rem}.app-header h1:before{content:"";display:inline-block;width:.52em;height:.52em;background:var(--accent);margin-right:.55rem;border-radius:2px;vertical-align:.12em}.app-header p{margin:0;max-width:48ch}.tabs{display:flex;flex-wrap:wrap;gap:.2rem;margin-bottom:1.6rem}.tab{position:relative;padding:.55rem .85rem .6rem .2rem;border:none;border-radius:0;background:transparent;color:var(--muted);cursor:pointer;font-size:.92rem;font-weight:600;font-family:inherit;transition:color .15s ease}.tab:hover{color:var(--ink);background:transparent}.tab.active{color:var(--ink);font-weight:700}.tab.active:after{content:"";position:absolute;left:.2rem;right:.85rem;bottom:0;height:3px;background:var(--accent)}.banner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem;padding:.75rem 1rem;border-radius:var(--radius);border-left:4px solid var(--accent);margin-bottom:1rem;font-size:.875rem}.banner-info{background:#e6e3d6;border-left-color:var(--accent)}.banner-warn{background:#efe6d2;border-left-color:var(--warn)}.banner-error{background:var(--danger-soft);border-left-color:var(--danger)}.banner-text{flex:1;min-width:200px}.banner-actions{display:flex;gap:.4rem}.card{background:var(--surface);border:none;border-radius:var(--radius);padding:1.35rem 1.5rem;margin-bottom:1.25rem}.card h2{margin:0 0 .9rem;font-size:1.06rem;font-weight:700;letter-spacing:-.01em}.card h2:before,.card-head h2:before,.items-head h3:before,.breakdown summary:before{content:"";display:inline-block;width:10px;height:10px;background:var(--accent);border-radius:2px;margin-right:.55rem;vertical-align:.08em}.card-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem;margin-bottom:.9rem}.card-head h2{margin:0}.muted{color:var(--muted);font-size:.85rem}.danger-text{color:var(--danger)}.form label,.field{display:flex;flex-direction:column;gap:.32rem;font-size:.875rem;margin-bottom:.95rem}.field-label{font-weight:600;color:var(--ink-soft);font-size:.8rem;letter-spacing:.01em}.field-hint{color:var(--muted);font-size:.78rem}.field-error{color:var(--danger);font-size:.78rem;min-height:0}.form input,.form select,.form textarea,.field input,.field select,.field textarea{padding:.55rem .7rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.95rem;font-family:inherit;color:var(--ink);background:#fff;width:100%;min-width:0;transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease}.form input:focus,.form select:focus,.form textarea:focus,.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:1px}.form textarea,.field textarea{resize:vertical;min-height:4.5rem}.form input.invalid,.form select.invalid,.form textarea.invalid,.field input.invalid,.field select.invalid,.field textarea.invalid{border-color:var(--danger);background:#fdf5f3}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 1rem}.row-inline{display:flex;align-items:center;gap:.5rem}.row-inline input{flex:1}.form-actions,.row-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}.form-actions{margin-top:.75rem;padding-top:1rem;border-top:3px solid var(--accent)}button{padding:.5rem 1.05rem;border:none;border-radius:var(--radius-sm);background:var(--surface-alt);color:var(--ink);cursor:pointer;font-size:.85rem;font-weight:600;font-family:inherit;white-space:nowrap;transition:background-color var(--t-hover) ease,color var(--t-hover) ease,transform var(--t-press) var(--ease-out)}button:hover{background:var(--surface-strong)}button:active{transform:translateY(1px)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--accent);color:var(--accent-ink)}button.primary:hover{background:var(--accent-dark)}button.danger,button.danger-solid{background:var(--danger);color:#fff}button.danger:hover,button.danger-solid:hover{background:var(--danger-dark)}button.danger-ghost{color:var(--danger);background:transparent}button.danger-ghost:hover{background:var(--danger-soft);color:var(--danger-dark)}button.ghost{background:transparent;color:var(--muted)}button.ghost:hover{background:var(--surface-alt);color:var(--ink)}.items{margin:.35rem 0 .5rem}.items-head{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem;margin-bottom:.4rem}.items-head h3{margin:0;font-size:.95rem}.items-actions{display:flex;gap:.4rem;margin-bottom:.35rem}.item-row{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(0,1fr) minmax(0,1fr) auto;gap:.45rem;align-items:center}.item-row input{padding:.5rem .6rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;font-family:inherit;width:100%;min-width:0;background:#fff;transition:border-color .15s ease,box-shadow .15s ease}.item-row input:focus{outline:2px solid var(--accent);outline-offset:1px}.item-row input.invalid{border-color:var(--danger);background:#fdf5f3}.item-error{margin:.1rem 0 .5rem}.items-error{margin:0 0 .5rem}.totals{margin-top:.9rem;padding:.85rem 1.05rem;background:var(--surface-alt);border-left:4px solid var(--accent);border-radius:var(--radius-sm);font-size:.95rem}.totals-row{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:.14rem 0}.totals-row .num{font-variant-numeric:tabular-nums}.totals-row.grand{font-weight:700;font-size:1.1rem;margin-top:.35rem;padding-top:.5rem;border-top:2px solid var(--ink)}.stats{display:grid;grid-template-columns:1.7fr repeat(3,1fr);gap:1.2rem 1.8rem;align-items:end}.card.stats{background:var(--field-bg);color:var(--field-ink);padding:1.7rem 1.7rem 1.5rem}.card.stats .muted{color:#ecebe7ad;font-size:.78rem;letter-spacing:.02em}.card.stats .stat{display:flex;flex-direction:column;gap:.15rem;min-width:0}.card.stats .stat strong{font-size:clamp(1.15rem,1.6vw,1.45rem);font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:var(--field-ink)}.card.stats .stat-hero strong{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1;letter-spacing:-.03em}.card.stats .danger-text{color:#e8a08e}.aging{display:flex;flex-direction:column;gap:.6rem}.aging-row{display:grid;grid-template-columns:7rem minmax(0,1fr) 7.5rem 3rem;align-items:center;gap:.7rem;font-size:.85rem}.aging-label{color:var(--ink-soft);font-weight:600;white-space:nowrap}.aging-amount,.aging-count{text-align:right;font-variant-numeric:tabular-nums}.bar{display:block;height:.55rem;background:var(--surface-strong);border-radius:999px;overflow:hidden}.bar-fill{display:block;height:100%;border-radius:999px;background:var(--accent);min-width:2px;transition:width .45s var(--ease-out)}.bar-fill.aging-notDue{background:var(--accent)}.bar-fill.aging-overdue1to30{background:#b08a2e}.bar-fill.aging-overdue31to60{background:#c06a24}.bar-fill.aging-overdue61plus{background:var(--danger)}.toolbar{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center}.toolbar select,.toolbar input{padding:.5rem .65rem;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.875rem;font-family:inherit;background:#fff;color:var(--ink);max-width:100%;transition:border-color .15s ease,box-shadow .15s ease}.toolbar select:focus,.toolbar input:focus{outline:2px solid var(--accent);outline-offset:1px}.toolbar input[type=search]{flex:1 1 180px;min-width:140px}.invoice-block{border-radius:var(--radius)}.invoice-block+.invoice-block{margin-top:.2rem}.invoice-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem 1rem;padding:.85rem .6rem;border-radius:var(--radius);transition:background-color var(--t-hover) ease}.invoice-block:hover .invoice-row{background:var(--surface-alt)}.invoice-block.expanded .invoice-row{position:relative;background:var(--surface-alt)}.invoice-block.expanded .invoice-row:before{content:"";position:absolute;left:0;top:.5rem;bottom:.5rem;width:3px;border-radius:2px;background:var(--accent)}.invoice-main{flex:1 1 16rem;min-width:0}.invoice-line1{display:flex;flex-wrap:wrap;align-items:center;gap:.55rem}.invoice-number{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.02rem;letter-spacing:-.01em}.invoice-meta{margin-top:.2rem;word-break:break-word;font-size:.8rem}.amount{font-variant-numeric:tabular-nums;font-weight:700;font-size:1.05rem;letter-spacing:-.01em;margin-left:auto}.badge{display:inline-block;padding:.16rem .55rem;border-radius:var(--radius-sm);font-size:.72rem;font-weight:700;color:#fff;white-space:nowrap;letter-spacing:.02em}.status-draft{background:#9a9d8c}.status-sent{background:var(--accent)}.status-paid{background:var(--success)}.status-overdue{background:var(--danger)}.invoice-detail{padding:1rem .6rem 1.1rem;border-top:3px solid var(--accent)}.detail-table-wrap{overflow-x:auto;margin-bottom:.6rem}.detail-table,.breakdown-table{width:100%;border-collapse:collapse;font-size:.85rem;min-width:420px}.detail-table th,.detail-table td,.breakdown-table th,.breakdown-table td{padding:.45rem .6rem;border-bottom:1px solid var(--border);text-align:left}.detail-table th,.breakdown-table th{color:var(--ink-soft);font-weight:600;background:var(--surface-alt);border-bottom:2px solid var(--surface-strong)}.num{text-align:right!important;font-variant-numeric:tabular-nums}.detail-summary{max-width:22rem;margin-left:auto;font-size:.9rem}.detail-notes{margin-top:.7rem}.detail-notes .notes{margin:.2rem 0 0;white-space:pre-wrap;font-size:.875rem;color:var(--ink-soft)}.breakdown summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none}.breakdown summary::-webkit-details-marker{display:none}.breakdown[open] summary{margin-bottom:.6rem}.client-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem 1rem;padding:.8rem .5rem;border-radius:var(--radius);transition:background-color var(--t-hover) ease}.client-row:hover{background:var(--surface-alt)}.client-info{flex:1 1 16rem;min-width:0;word-break:break-word}.client-info strong{font-size:1rem}.empty{padding:2.6rem 1.2rem;text-align:center;background:var(--surface-alt);border:none;border-radius:var(--radius)}.empty-title{margin:0 0 .3rem;font-weight:700;font-size:1.08rem}.empty-desc{margin:0 auto 1rem;color:var(--muted);font-size:.875rem;max-width:38ch}.empty-actions{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.7rem}.kv-item{display:flex;flex-direction:column;gap:.1rem;padding:.6rem .8rem;background:var(--surface-alt);border-radius:var(--radius-sm)}.kv-item strong{font-size:1rem}.notice{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem;margin-top:.75rem;padding:.7rem .9rem;background:#efe6d2;border-radius:var(--radius-sm);font-size:.85rem}.import-panel{margin-top:.9rem;padding:.9rem 1rem;background:#e6e3d6;border-radius:var(--radius-sm)}.import-panel h3{margin:0 0 .3rem;font-size:.95rem}.help-list{margin:0;padding-left:1.1rem;color:var(--muted);font-size:.875rem}.help-list li{margin-bottom:.25rem}.crash{background:var(--danger-soft);border:none}.toast-stack{position:fixed;right:1rem;bottom:1rem;z-index:60;display:flex;flex-direction:column;gap:.55rem;max-width:min(24rem,calc(100vw - 2rem));pointer-events:none}.toast{display:flex;align-items:flex-start;gap:.55rem;padding:.7rem .9rem;border-radius:var(--radius);background:#2b3510;color:#f2f0e8;font-size:.875rem;box-shadow:var(--shadow-float);pointer-events:auto;opacity:1;transform:translateY(0);transition:opacity .22s ease,transform .22s var(--ease-out);animation:toastIn .28s var(--ease-out) both}.toast-success{background:#2e5427}.toast-error{background:#8a3020}.toast-out{opacity:0;transform:translateY(.4rem);pointer-events:none}.toast-text{flex:1;word-break:break-word}.toast-close{border:none;background:transparent;color:inherit;font-size:1rem;line-height:1;padding:0 .15rem;cursor:pointer}.modal-overlay{position:fixed;inset:0;z-index:70;display:flex;align-items:center;justify-content:center;padding:1rem;background:#2e390c80;animation:fadeIn .2s ease both}.modal{width:min(28rem,100%);background:var(--surface);border-radius:var(--radius);border-top:4px solid var(--accent);padding:1.4rem 1.5rem 1.2rem;box-shadow:var(--shadow-float);animation:modalIn .26s var(--ease-out) both}.modal-title{margin:0 0 .5rem;font-size:1.1rem;font-weight:700}.modal-message{margin:0 0 .4rem;font-size:.92rem}.modal-detail{margin:0 0 .4rem;color:var(--muted);font-size:.83rem}.modal-actions{display:flex;justify-content:flex-end;gap:.5rem;margin-top:1rem}.app-footer{margin-top:2.5rem;padding:1.1rem 1.3rem;border-top:none;border-radius:var(--radius);background:var(--accent);color:#ecebe7bf;font-size:.8rem;text-align:left;letter-spacing:.01em}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}@keyframes riseIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalIn{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}@keyframes toastIn{0%{opacity:0;transform:translateY(.6rem)}to{opacity:1;transform:none}}@media(prefers-reduced-motion:no-preference){.app-header,.card.stats{animation:riseIn var(--t-reveal) var(--ease-out) both}}@media(prefers-reduced-motion:reduce){.toast,.modal-overlay,.modal{animation:none}}@media(max-width:720px){#app{padding:1.1rem .85rem 2.5rem}.app-header h1{font-size:1.55rem}.card{padding:1.1rem 1rem}.grid2{grid-template-columns:1fr;gap:0}.item-row{grid-template-columns:1fr 5rem 6rem;grid-template-areas:"desc qty price" "del del del";row-gap:.35rem}.item-row>input:nth-child(1){grid-area:desc}.item-row>input:nth-child(2){grid-area:qty}.item-row>input:nth-child(3){grid-area:price}.item-row>button{grid-area:del;justify-self:start}.stats{grid-template-columns:1fr 1fr;gap:1.1rem}.card.stats .stat-hero{grid-column:1 / -1}.invoice-row,.client-row{align-items:flex-start}.amount{margin-left:0}.row-actions{width:100%}.row-actions button{flex:1 1 auto}.aging-row{grid-template-columns:5.5rem minmax(0,1fr) 6rem}.aging-count{display:none}.toast-stack{left:.75rem;right:.75rem;bottom:.75rem;max-width:none}}@media(max-width:420px){.item-row{grid-template-columns:1fr 1fr;grid-template-areas:"desc desc" "qty price" "del del"}.stats{grid-template-columns:1fr}.card.stats .stat-hero{grid-column:auto}}
