/* The monthly sheet is the primary surface; color supports the ledger. */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:root{color-scheme:light;--paper:#fff;--canvas:#f5f7fb;--ink:#1e2e45;--muted:#67768b;--line:#dfe5ee;--blue:#244bc1;--blue-soft:#edf2ff;--green:#137965;--green-soft:#e9f5ef;--amber:#8a611a;--amber-soft:#fff5dc;--red:#ae3a42;--red-soft:#fff0f0;--radius:9px;font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;font-synthesis:none;font-size:14px;color:var(--ink);background:var(--canvas)}
*{box-sizing:border-box}body{margin:0;line-height:1.55}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:var(--blue);text-underline-offset:3px}h1,h2,h3,h4,p{margin:0}h1,h2,h3{letter-spacing:-.04em}h1{font-size:28px;line-height:1.35}h2{font-size:23px;line-height:1.4}h3{font-size:16px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #7595f3;outline-offset:3px}[hidden]{display:none!important}.muted{color:var(--muted)}.small-text{font-size:12px}.num{font-variant-numeric:tabular-nums}.text-right{text-align:right}.income-text{color:var(--green)}.expense-text{color:var(--ink)}.danger-text{color:var(--red)}.skip-link{position:absolute;left:12px;top:-80px;z-index:100;background:var(--ink);color:white;padding:12px 20px}.skip-link:focus{top:12px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:39px;padding:8px 14px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);font-weight:600;white-space:nowrap;text-decoration:none;transition:background .12s,border-color .12s}.button:hover{background:#f4f6fb;border-color:#bdcadf}.button.primary{background:var(--blue);color:white;border-color:var(--blue)}.button.primary:hover{background:#1c3b9d}.button.text{border-color:transparent;background:transparent;color:var(--blue)}.button.text:hover{background:var(--blue-soft)}.button.small{min-height:30px;padding:5px 9px;font-size:12px}.button.danger{color:var(--red);border-color:#e8c8cb;background:var(--paper)}.button.danger:hover{background:var(--red-soft)}.button.positive{color:var(--green);border-color:#b8dace;background:var(--green-soft)}.icon-button{border:0;background:transparent;color:var(--muted);width:38px;height:38px;line-height:1;border-radius:6px;font-size:24px;display:inline-grid;place-items:center}.icon-button:hover{background:var(--blue-soft);color:var(--blue)}.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
input,select,textarea{color:var(--ink);background:var(--paper);border:1px solid #cdd7e5;border-radius:6px;min-height:42px;padding:9px 11px;max-width:100%;min-width:0}input,select{width:100%}textarea{width:100%;resize:vertical;min-height:80px}input::placeholder,textarea::placeholder{color:#8a96a8}input[type=checkbox]{width:16px;height:16px;min-height:16px;accent-color:var(--blue);margin:0}label{display:block;color:var(--ink);font-weight:600;font-size:13px}label input,label select,label textarea{margin-top:7px}label .field-help{font-size:12px;font-weight:400;display:block;color:var(--muted);margin-top:5px}.check-label{display:flex;align-items:center;gap:9px;font-weight:400}.check-label input{margin:0}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.field-grid>.full{grid-column:1/-1}.section-eyebrow{font-size:12px;color:var(--muted);margin-bottom:7px;letter-spacing:0}.form-error{color:var(--red);font-size:13px;min-height:20px;margin-top:13px}.help-text{font-size:12px;color:var(--muted);line-height:1.7}.field-note{background:var(--blue-soft);padding:12px 14px;border-radius:6px;font-size:13px;color:#344f85;margin-top:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-size:20px;font-weight:700;letter-spacing:-.8px;white-space:nowrap}.brand-mark{width:29px;height:32px;display:inline-grid;place-items:center;border:2px solid var(--blue);border-radius:5px;color:var(--blue);font-size:25px;line-height:1;transform:rotate(-5deg)}.app-header{background:var(--paper)}.header-inner{max-width:1440px;margin:auto;padding:22px 40px;display:flex;align-items:center;justify-content:space-between;gap:15px}.header-account{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}.navigation-wrap{background:var(--paper);border-bottom:1px solid var(--line)}.navigation{max-width:1440px;margin:auto;padding:0 40px;display:flex;gap:30px}.nav-item{border:0;border-bottom:3px solid transparent;padding:16px 0 14px;background:none;color:var(--muted);font-weight:600;white-space:nowrap}.nav-item.active{color:var(--blue);border-bottom-color:var(--blue)}.nav-item:hover{color:var(--blue)}.main-content{max-width:1440px;margin:auto;padding:32px 40px 48px;min-height:calc(100vh - 222px)}.app-footer{max-width:1440px;margin:auto;padding:20px 40px;border-top:1px solid var(--line);font-size:12px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:var(--muted)}.app-footer a{color:var(--muted)}.page-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap;margin-bottom:24px}.page-heading p{margin-top:7px;font-size:13px;color:var(--muted)}.heading-title{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.month-controls{display:flex;align-items:center;gap:9px}.month-controls input{font-size:23px;font-weight:700;letter-spacing:-.6px;background:transparent;border:0;padding:0;width:190px;min-height:39px;color:var(--ink)}.month-controls .icon-button{font-size:20px}.status-pill{display:inline-flex;align-items:center;min-height:23px;padding:3px 8px;font-size:11px;border-radius:4px;background:#eaf0f5;color:var(--muted);white-space:nowrap;font-weight:500}.status-pill.confirmed{background:var(--green-soft);color:var(--green)}.status-pill.pending{background:var(--amber-soft);color:var(--amber)}.status-pill.closed{background:var(--ink);color:white}.status-pill.off{background:#eceff3;color:#7c8798}.summary-bar{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;padding:7px 0 27px;border-bottom:1px solid var(--line);margin-bottom:22px}.balance-equation{display:flex;align-items:center;gap:25px;flex-wrap:wrap}.metric-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}.metric-value{display:block;font-size:20px;line-height:1.3;font-weight:500;font-variant-numeric:tabular-nums}.metric-value.editable{border:0;border-bottom:1px dashed #c0ccde;background:transparent;padding:0 0 3px;color:var(--ink)}.math-symbol{color:#8796ab;font-size:20px}.ending-balance{text-align:right}.ending-balance .metric-value{font-size:36px;font-weight:700;letter-spacing:-1.4px}.ending-balance .won{font-size:14px;font-weight:400;letter-spacing:0;margin-left:4px}.period-note{font-size:12px;color:var(--muted);margin-top:8px}.banner{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:13px 16px;margin:18px 0;background:var(--blue-soft);border-left:3px solid var(--blue);font-size:13px;color:#3b5283}.banner.warn{background:var(--amber-soft);color:var(--amber);border-color:#b78a36}.banner.success{background:var(--green-soft);color:var(--green);border-color:var(--green)}.list-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:12px}.table-label{font-size:13px;font-weight:600}.table-count{color:var(--muted);font-size:12px;font-weight:400;margin-left:7px}.table-wrap{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:13px}th{padding:12px 16px;background:#f1f4f9;color:var(--muted);font-size:11px;font-weight:600;white-space:nowrap}td{padding:16px;border-top:1px solid var(--line);vertical-align:middle}th.numeric,td.numeric{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}.ledger-table{min-width:980px}.ledger-table .item-title{font-weight:600;font-size:14px}.row-meta{display:block;font-size:11px;color:var(--muted);margin-top:4px}.cell-balance{background:#f1f5ff;font-weight:500}.opening-row td{background:#f7f9fc;color:var(--muted);font-size:12px}.row-actions{display:flex;align-items:center;gap:5px;white-space:nowrap}.row-actions .button{padding:5px 8px}.table-foot{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:12px}.month-bottom{display:flex;justify-content:space-between;align-items:center;gap:15px;flex-wrap:wrap;margin-top:28px;padding-top:22px;border-top:1px solid var(--line)}.carry-label{font-size:12px;color:var(--muted)}.carry-value{font-size:19px;font-weight:600;margin-top:3px;font-variant-numeric:tabular-nums}.empty-state{padding:50px 25px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.empty-state h2{font-size:21px;margin-bottom:9px}.empty-state p{color:var(--muted);font-size:13px;line-height:1.8;max-width:440px;margin:0 auto 21px}.empty-state .button-row{justify-content:center}.empty-mark{width:48px;height:48px;margin:0 auto 18px;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;color:var(--blue);font-size:23px;background:var(--blue-soft)}.new-month-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}.new-month-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:28px}.new-month-card h2{font-size:21px;margin-bottom:8px}.new-month-card>p{font-size:13px;color:var(--muted);margin-bottom:25px}.new-month-guide{padding:22px 15px}.guide-step{display:grid;grid-template-columns:28px 1fr;gap:12px;margin-bottom:23px}.guide-number{font-size:12px;color:var(--blue);background:var(--blue-soft);border-radius:50%;width:26px;height:26px;display:grid;place-items:center}.guide-step h3{font-size:14px;letter-spacing:0;margin-bottom:5px}.guide-step p{color:var(--muted);font-size:12px}.form-bottom{display:flex;justify-content:flex-end;gap:10px;margin-top:24px}.templates-table{min-width:760px}.disabled-row td{color:#8390a3}.disabled-row .item-title{font-weight:400}.screen-note{font-size:12px;color:var(--muted);margin-top:17px;line-height:1.8}
.annual-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.year-input{width:108px}.basis-toggle{display:flex;border:1px solid var(--line);border-radius:6px;padding:3px;background:var(--paper)}.basis-toggle button{border:0;background:transparent;color:var(--muted);font-size:12px;min-height:33px;padding:6px 12px;border-radius:4px}.basis-toggle button.active{color:var(--blue);background:var(--blue-soft);font-weight:600}.year-summary{display:flex;align-items:center;flex-wrap:wrap;gap:25px;padding-bottom:23px;border-bottom:1px solid var(--line);margin-bottom:27px}.year-summary .metric-value{font-size:25px}.year-summary .metric{padding-right:24px;border-right:1px solid var(--line)}.year-summary .metric:last-child{border:0}.chart-section{margin-top:30px}.chart-section-header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:17px}.chart-section-header h2{font-size:19px}.chart-section-header span{font-size:12px;color:var(--muted)}.chart-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.category-chart{min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:18px 17px 12px}.category-chart header{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:15px}.category-chart h3{font-size:14px;letter-spacing:0}.category-chart .chart-total{font-size:15px;font-weight:600;white-space:nowrap;font-variant-numeric:tabular-nums}.category-chart .chart-total small{font-size:11px;font-weight:400;color:var(--muted);margin-left:3px}.chart-svg{display:block;width:100%;height:auto;overflow:visible}.chart-svg text{font-family:inherit;fill:var(--muted);font-size:11px}.chart-svg .bar-income{fill:var(--green)}.chart-svg .bar-expense{fill:var(--blue)}.chart-svg .axis-line{stroke:var(--line);stroke-width:1}.chart-svg .grid-line{stroke:#eaf0f6;stroke-width:1;stroke-dasharray:3 4}.chart-detail{margin-top:9px;font-size:11px}.chart-detail summary{cursor:pointer;color:var(--muted);padding:5px 0}.chart-detail table{font-size:11px;margin-top:8px}.chart-detail th,.chart-detail td{padding:5px 7px}.chart-empty{padding:28px 0;color:var(--muted);text-align:center;font-size:13px}.category-groups{display:grid;grid-template-columns:1fr 1fr;gap:25px}.category-group{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.category-group>header{padding:19px 21px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.category-group>header h2{font-size:18px}.category-group.income>header{border-top:3px solid var(--green)}.category-group.expense>header{border-top:3px solid var(--blue)}.category-list{padding:0 21px}.category-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:15px 0;border-bottom:1px solid var(--line)}.category-item:last-child{border-bottom:0}.category-item strong{font-size:14px;font-weight:600}.category-item.inactive strong{color:var(--muted);font-weight:400}.category-name{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.category-count{font-size:11px;font-weight:400;color:var(--muted);margin-left:7px}.category-add{padding:15px 21px;border-top:1px solid var(--line);background:#fafbfe}
.form-dialog{width:min(550px,calc(100% - 28px));max-height:calc(100dvh - 32px);border:1px solid #d4dcea;border-radius:13px;padding:0;color:var(--ink);background:var(--paper);box-shadow:0 24px 80px #14284330}.form-dialog::backdrop{background:#13213975;backdrop-filter:blur(2px)}.form-dialog form{padding:25px}.dialog-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:23px}.dialog-heading h2{font-size:22px}.dialog-heading .section-eyebrow{margin-bottom:4px}.dialog-footer{display:flex;justify-content:flex-end;gap:8px;padding-top:19px;border-top:1px solid var(--line);margin-top:18px}.confirm-overview{padding:16px 18px;background:var(--canvas);border-radius:8px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;gap:15px}.confirm-overview .amount{font-size:24px;font-variant-numeric:tabular-nums;font-weight:600;margin-top:4px}.confirm-overview .category-path{font-size:12px;color:var(--muted)}.confirmation-difference{font-size:13px;color:var(--blue);margin-top:12px;min-height:20px}.dialog-message{font-size:14px;line-height:1.8;color:var(--ink)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:8px;padding:13px 21px;box-shadow:0 8px 28px #17243725;z-index:30;max-width:calc(100% - 36px);font-size:13px;text-align:center}.toast.error{background:#92353c}.initial-loading,.loading-state{display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-size:14px;padding:80px 20px}.initial-loading{min-height:100vh}.loading-dot{width:9px;height:9px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px var(--blue-soft)}.error-state{border:1px solid #e8c8cb;background:var(--red-soft);padding:24px;border-radius:8px}.error-state p{font-size:13px;color:var(--red);margin-bottom:15px}.noscript{padding:30px;text-align:center}
.login-screen{min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr;background:var(--paper)}.login-intro{background:#eef2fa;padding:48px max(44px,calc((100vw - 1200px)/2));padding-right:70px;display:flex;flex-direction:column;align-items:flex-start}.login-copy{margin-top:86px;margin-bottom:35px}.login-copy h1{font-size:37px;line-height:1.5;letter-spacing:-1.9px;font-weight:700}.login-copy p{margin-top:18px;color:var(--muted);font-size:15px;line-height:1.9}.login-sheet{background:var(--paper);border:1px solid #d1dbeb;border-radius:9px;width:100%;max-width:380px;padding:20px 22px;transform:rotate(-2deg);box-shadow:7px 8px 0 #dce4f3;margin-bottom:45px}.login-sheet>div,.login-sheet>p{display:flex;align-items:center;justify-content:space-between;gap:20px}.login-sheet>div{font-size:12px;color:var(--muted);padding-bottom:13px}.login-sheet>p{padding:10px 0;border-top:1px solid var(--line);font-size:13px}.login-sheet>div:last-child{padding:13px 0 0;border-top:1px solid var(--line);color:var(--blue);font-weight:600}.sheet-plus{color:var(--green)}.login-panel{display:flex;align-items:center;justify-content:center;padding:45px}.login-form{width:100%;max-width:330px}.login-form h2{font-size:30px;margin-bottom:7px}.login-form>.muted{font-size:13px;margin-bottom:33px}.login-form>label{margin:18px 0 8px}.login-form>input{min-height:46px}.login-submit{width:100%;min-height:46px;margin-top:8px}.login-footnote{font-size:12px;color:var(--muted);line-height:1.9;margin-top:23px}
@media(min-width:1700px){.chart-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1050px){.header-inner,.navigation{padding-left:26px;padding-right:26px}.main-content{padding:27px 26px 40px}.app-footer{padding:20px 26px}.balance-equation{gap:17px}.metric-value{font-size:18px}.ending-balance .metric-value{font-size:31px}.chart-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.login-intro{padding:35px}.login-copy h1{font-size:31px}.login-copy{margin-top:65px}.category-groups{gap:18px}}
@media(max-width:760px){.header-inner{padding:18px 20px}.brand{font-size:18px}.brand-mark{width:25px;height:28px;font-size:21px}.navigation{padding:0 20px;gap:24px;overflow:auto}.nav-item{font-size:13px;padding:14px 0 12px}.main-content{padding:24px 20px 35px}.app-footer{padding:19px 20px}.page-heading{gap:16px;margin-bottom:20px}.summary-bar{grid-template-columns:1fr;gap:20px}.ending-balance{grid-row:1;text-align:left}.ending-balance .metric-value{font-size:34px}.balance-equation{gap:19px}.metric-value{font-size:18px}.metric-label{font-size:11px}.new-month-layout{grid-template-columns:1fr}.new-month-guide{padding:0 5px}.new-month-card{padding:23px}.category-groups{grid-template-columns:1fr}.login-screen{grid-template-columns:1fr}.login-intro{padding:27px 28px 30px}.login-copy{margin:32px 0 0}.login-copy h1{font-size:26px;line-height:1.45;letter-spacing:-1px}.login-copy p{font-size:13px;margin-top:12px}.login-sheet{display:none}.login-panel{padding:33px 28px 50px;align-items:flex-start}.login-form{max-width:440px}.login-form h2{font-size:26px}.login-form>.muted{margin-bottom:22px}.header-account{gap:5px}.month-controls input{font-size:22px;width:181px}.page-heading h1{font-size:25px}}
@media(max-width:480px){.header-inner{padding:16px}.navigation{padding:0 16px;gap:20px}.nav-item{font-size:12px}.main-content{padding:22px 16px 32px}.app-footer{padding:17px 16px;font-size:11px}.header-account>span{display:none}.page-heading .button-row{width:100%;justify-content:flex-start}.button{padding:8px 11px;font-size:13px}.balance-equation{gap:12px}.metric-value{font-size:16px}.math-symbol{font-size:17px}.month-controls{gap:4px}.month-controls input{font-size:20px;width:166px}.field-grid{grid-template-columns:1fr;gap:15px}.field-grid>.full{grid-column:auto}.form-dialog form{padding:21px}.chart-grid{grid-template-columns:1fr}.annual-controls{width:100%}.year-summary{gap:17px}.year-summary .metric{padding-right:16px}.year-summary .metric-value{font-size:21px}.chart-section-header{align-items:flex-start;gap:5px}.category-group>header{padding:17px}.category-list{padding:0 17px}.category-add{padding:13px 17px}.category-item .row-actions{gap:0}.new-month-card{padding:20px}.month-bottom{align-items:flex-start}.toast{bottom:18px}.login-intro{padding:24px}.login-panel{padding:30px 24px 45px}.category-chart{padding:17px}.year-summary .metric:last-child{width:100%;padding-top:6px}.chart-section{margin-top:25px}}
@media(pointer:coarse){input,select,textarea{font-size:16px;min-height:44px}.button,.button.small,.icon-button,.basis-toggle button{min-height:44px}.nav-item{min-height:48px}.row-actions{gap:4px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@media print{.app-header,.navigation-wrap,.page-heading .button-row,.row-actions,.month-bottom .button-row,.app-footer,.toast,.button,.form-dialog{display:none!important}.main-content{padding:0;max-width:none}.table-wrap{overflow:visible}.ledger-table{min-width:0}body{background:white}.chart-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-chart{break-inside:avoid}.page-heading,.summary-bar{break-inside:avoid}}