:root{
  --bg:#f5f7fb; --panel:#fff; --text:#111827; --muted:#6b7280; --line:#e5e7eb;
  --primary:#111827; --income:#2563eb; --expense:#dc2626; --expected:#a16207;
  --radius:18px; --shadow:0 8px 30px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;color:var(--text);background:var(--bg)}
body{margin:0;background:var(--bg)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.muted{color:var(--muted);margin:.25rem 0}
.app-shell{min-height:100vh;display:grid;grid-template-columns:220px 1fr}
.sidebar{position:sticky;top:0;height:100vh;background:#111827;color:#fff;padding:22px 16px;display:flex;flex-direction:column}
.side-brand{width:46px;height:46px;border-radius:14px;background:#fff;color:#111827;display:grid;place-items:center;font-weight:900;font-size:22px;margin-bottom:26px}
.sidebar nav{display:grid;gap:8px}
.sidebar nav a{display:flex;gap:12px;align-items:center;padding:12px 14px;border-radius:12px;color:#cbd5e1}
.sidebar nav a.active,.sidebar nav a:hover{background:#1f2937;color:#fff}
.side-bottom{margin-top:auto;display:grid;gap:8px}
.user-chip{font-size:13px;color:#cbd5e1;padding:0 4px}
.link-btn{background:none;border:0;color:#cbd5e1;padding:4px;text-align:left}
.content{padding:28px;max-width:1500px;width:100%;margin:0 auto}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:18px}
.topbar h1{margin:0;font-size:28px}
.btn{border:1px solid transparent;border-radius:12px;padding:10px 14px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn.primary{background:#111827;color:#fff}
.btn.secondary{background:#fff;border-color:var(--line);color:#111827}
.btn.ghost{background:transparent;border-color:var(--line);color:#374151}
.btn.danger{background:#fff1f2;color:#be123c;border-color:#fecdd3}
.icon-btn,.mini-btn{border:1px solid var(--line);background:#fff;border-radius:10px;padding:6px 10px;display:inline-flex;align-items:center;justify-content:center}
.month-nav{display:flex;align-items:center;justify-content:center;gap:14px;margin:12px 0 18px}
.summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:16px}
.summary-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.summary-card span{color:var(--muted);font-size:14px}
.summary-card strong{display:block;font-size:26px;margin:8px 0 4px;letter-spacing:-.03em}
.summary-card small{color:#9ca3af}
.income{color:var(--income)}
.expense,.negative{color:var(--expense)}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.filter-panel{padding:14px;margin-bottom:16px}
.filters{display:grid;grid-template-columns:minmax(220px,1fr) 150px 150px auto auto;gap:10px}
input,select,textarea{width:100%;border:1px solid #d1d5db;border-radius:11px;padding:11px 12px;background:#fff;color:#111827;outline:none}
input:focus,select:focus,textarea:focus{border-color:#6b7280;box-shadow:0 0 0 3px rgba(107,114,128,.12)}
label{display:grid;gap:7px;font-size:14px;font-weight:700;color:#374151}
.table-panel{overflow:hidden}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:960px}
th,td{padding:14px 16px;border-bottom:1px solid #edf0f4;text-align:left;vertical-align:middle}
th{font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:#6b7280;background:#fafafa}
tr:hover td{background:#fbfdff}
.expected-row{background:#fffdf4}
.right{text-align:right}
.nowrap{white-space:nowrap}
.amount{font-weight:800}
.pill,.status-badge{display:inline-flex;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:800;border:0}
.pill.income{background:#eff6ff;color:#1d4ed8}
.pill.expense{background:#fef2f2;color:#b91c1c}
.status-badge.completed{background:#ecfdf5;color:#047857}
.status-badge.expected{background:#fffbeb;color:#a16207}
.inline{display:inline}
.desc-link{font-weight:700}
.subtext{font-size:12px;color:#9ca3af;margin-top:4px}
.empty{text-align:center;color:#9ca3af;padding:30px}
.flash{padding:12px 14px;border-radius:12px;margin-bottom:14px}
.flash.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.flash.error{background:#fff1f2;color:#9f1239;border:1px solid #fecdd3}
.modal{border:0;border-radius:20px;padding:0;width:min(560px,calc(100vw - 28px));box-shadow:0 30px 80px rgba(0,0,0,.25)}
.modal::backdrop{background:rgba(15,23,42,.45);backdrop-filter:blur(2px)}
.modal form.stack{padding:22px}
.modal-head{display:flex;align-items:center;justify-content:space-between}
.modal-head h2{margin:0}
.stack{display:grid;gap:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.segmented{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.segmented input{display:none}
.segmented span{display:block;text-align:center;border:1px solid var(--line);border-radius:11px;padding:11px;background:#fff}
.segmented input:checked+span{background:#111827;color:#fff;border-color:#111827}
.danger-zone{padding:0 22px 22px}
.settings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.settings-grid .panel{padding:22px}
.settings-grid h2{margin-top:0}
.info-box{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:12px;margin:14px 0}
.auth-body{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(180deg,#f8fafc,#eef2f7)}
.auth-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.auth-card h1{margin:14px 0 4px}
.brand-mark{width:52px;height:52px;border-radius:16px;background:#111827;color:#fff;display:grid;place-items:center;font-size:24px;font-weight:900}
.mobile-only{display:none}
.bottom-nav{display:none}
.txn-card{padding:14px;border-bottom:1px solid var(--line)}
.txn-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.txn-title{font-weight:800}
.txn-date{font-size:12px;color:var(--muted);margin-bottom:4px}
.txn-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px;color:var(--muted);font-size:12px}

@media(max-width:1000px){
  .app-shell{grid-template-columns:76px 1fr}
  .sidebar{padding:18px 12px;align-items:center}
  .sidebar nav a span,.side-bottom .user-chip{display:none}
  .sidebar nav a{justify-content:center}
  .summary-grid{grid-template-columns:repeat(2,1fr)}
  .filters{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:700px){
  body{padding-bottom:76px}
  .app-shell{display:block}
  .sidebar{display:none}
  .content{padding:16px 12px}
  .topbar{margin-bottom:10px}
  .topbar h1{font-size:22px}
  .topbar .btn.primary{display:none}
  .summary-grid{grid-template-columns:1fr 1fr;gap:9px}
  .summary-card{padding:14px;border-radius:15px}
  .summary-card strong{font-size:19px}
  .filter-panel{padding:10px}
  .filters{grid-template-columns:1fr 1fr}
  .filters input[type=search]{grid-column:1/-1}
  .desktop-only{display:none!important}
  .mobile-only{display:block}
  .table-panel{border-radius:15px}
  .bottom-nav{position:fixed;bottom:0;left:0;right:0;height:68px;background:rgba(255,255,255,.96);border-top:1px solid var(--line);z-index:20;display:grid;grid-template-columns:1fr 90px 1fr;align-items:center;text-align:center;backdrop-filter:blur(12px)}
  .bottom-nav a{display:grid;font-size:18px;gap:1px;color:#475569}
  .bottom-nav a span{font-size:10px}
  .fab{width:54px;height:54px;border-radius:50%;border:0;background:#111827;color:#fff;font-size:28px;margin:-26px auto 0;box-shadow:0 8px 22px rgba(15,23,42,.25)}
  .settings-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}


/* Passkey / WebAuthn */
.auth-divider{display:flex;align-items:center;gap:10px;color:#9ca3af;font-size:12px;margin:2px 0}
.auth-divider::before,.auth-divider::after{content:"";height:1px;background:var(--line);flex:1}
.passkey-btn{width:100%}
.passkey-panel{grid-column:1/-1}
.passkey-register{display:grid;grid-template-columns:minmax(220px,1fr) auto;gap:10px;align-items:end;margin:14px 0 18px}
.passkey-list{border-top:1px solid var(--line);padding-top:16px}
.passkey-list h3{font-size:14px;margin:0 0 8px}
.passkey-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #edf0f4}
.passkey-item:last-child{border-bottom:0}
.empty.compact{padding:14px 0;text-align:left}
.danger-text{color:#be123c}
@media(max-width:700px){
  .passkey-register{grid-template-columns:1fr}
  .passkey-item{align-items:flex-start}
}


/* v0.3 stage 1: persistent login / PWA / mobile logout */
.remember-row{
  display:flex;
  grid-template-columns:auto 1fr;
  align-items:center;
  gap:9px;
  font-weight:600;
  cursor:pointer;
}
.remember-row input{width:18px;height:18px;margin:0}
.remember-row span{display:flex;align-items:baseline;gap:6px}
.remember-row small{font-weight:500;color:var(--muted)}
.bottom-logout-form{margin:0;display:grid;place-items:center}
.bottom-logout{
  background:none;border:0;color:#475569;
  display:grid;place-items:center;gap:1px;font-size:18px;padding:6px 8px;
}
.bottom-logout span{font-size:10px}
@media(max-width:700px){
  .bottom-nav{grid-template-columns:repeat(4,1fr)}
}


/* v0.3 complete: period balances / masters / 3 statuses / grid import */
.period-switch{
  display:grid;
  grid-template-columns:repeat(4,minmax(80px,1fr));
  gap:8px;
  max-width:520px;
  margin:4px 0 14px;
}
.period-switch a{
  text-align:center;padding:10px 12px;border:1px solid var(--line);
  background:#fff;border-radius:12px;font-weight:800;color:#64748b;
}
.period-switch a.active{background:#111827;color:#fff;border-color:#111827}
.balance-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.filters-extended{grid-template-columns:minmax(220px,1.4fr) repeat(4,minmax(120px,.7fr)) auto auto}
.status-badge.scheduled{background:#eff6ff;color:#1d4ed8}
.status-badge.expected{background:#fffbeb;color:#a16207}
.status-badge.completed{background:#ecfdf5;color:#047857}
.status-row-scheduled{background:#f8fbff}
.status-row-expected{background:#fffdf4}
.master-panel{min-width:0}
.master-list{display:grid;gap:8px;margin:14px 0}
.master-item{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center}
.master-edit{display:grid;grid-template-columns:1fr auto;gap:8px}
.master-add{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:12px}
.import-panel{padding:20px}
.import-intro h2{margin-top:0}
.import-help{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}
.import-help span{font-size:12px;background:#f8fafc;border:1px solid var(--line);border-radius:999px;padding:6px 9px;color:#475569}
.import-errors ul{margin:8px 0 0;padding-left:20px;max-height:220px;overflow:auto}
.import-grid-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
.import-grid{min-width:1120px;background:#fff}
.import-grid th{position:sticky;top:0;z-index:1}
.import-grid th,.import-grid td{padding:5px}
.import-grid td:first-child,.import-grid th:first-child{width:42px;text-align:center;color:#94a3b8}
.import-grid input,.import-grid select{border-radius:8px;padding:8px 9px;min-width:110px}
.import-grid [data-field="date"]{min-width:126px}
.import-grid [data-field="description"]{min-width:260px}
.import-grid [data-field="amount"]{min-width:130px;text-align:right}
.import-grid [data-field="account"],.import-grid [data-field="category"]{min-width:150px}
.import-actions{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:14px}
.button-row{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:1100px){
  .filters-extended{grid-template-columns:repeat(3,1fr)}
  .filters-extended input[type=search]{grid-column:1/-1}
}
@media(max-width:700px){
  .period-switch{max-width:none}
  .balance-grid{grid-template-columns:1fr 1fr}
  .balance-grid .summary-card strong{font-size:18px}
  .filters-extended{grid-template-columns:1fr 1fr}
  .filters-extended input[type=search]{grid-column:1/-1}
  .master-item{grid-template-columns:1fr}
  .import-panel{padding:12px}
  .import-actions{align-items:stretch;flex-direction:column}
  .import-actions .button-row{display:grid;grid-template-columns:1fr 1fr}
  .import-actions .button-row .btn.primary{grid-column:1/-1}
}


/* v0.4: fixed balance overview / yearly list / bulk edit */
.top-actions{display:flex;gap:8px;align-items:center}
.overview-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.list-view-toolbar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin:4px 0 14px;
}
.list-mode-switch{
  display:inline-grid;grid-template-columns:1fr 1fr;gap:4px;
  background:#eef2f7;border-radius:12px;padding:4px;
}
.list-mode-switch a{
  min-width:92px;text-align:center;padding:8px 11px;border-radius:9px;
  font-weight:800;font-size:13px;color:#64748b;
}
.list-mode-switch a.active{background:#fff;color:#111827;box-shadow:0 1px 5px rgba(15,23,42,.08)}
.list-view-toolbar .month-nav,.bulk-period-nav{margin:0}
.bulk-toolbar{padding:14px;margin-bottom:14px;display:grid;gap:12px}
.bulk-period-nav{display:flex;align-items:center;justify-content:center;gap:12px}
.bulk-filter{
  display:grid;grid-template-columns:minmax(220px,1fr) repeat(3,minmax(130px,.55fr)) auto;gap:8px
}
.bulk-edit-panel{overflow:hidden}
.bulk-apply-bar{
  padding:12px;display:flex;gap:8px;align-items:center;flex-wrap:wrap;
  border-bottom:1px solid var(--line);background:#fafafa
}
.bulk-apply-bar select{width:auto;min-width:155px}
.bulk-selection-info{min-width:80px;color:#475569}
.bulk-table-wrap{overflow:auto;max-height:calc(100vh - 315px)}
.bulk-table{min-width:1180px}
.bulk-table th{position:sticky;top:0;z-index:2}
.bulk-table td{padding:6px}
.bulk-table input,.bulk-table select{padding:8px 9px;border-radius:8px}
.bulk-table input[type="checkbox"]{width:18px;height:18px}
.bulk-table .bulk-description{min-width:260px}
.bulk-table tr.bulk-changed td{background:#fffbea}
.bulk-footer{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-top:1px solid var(--line);background:#fff
}
@media(max-width:1100px){
  .overview-grid{grid-template-columns:repeat(2,1fr)}
  .bulk-filter{grid-template-columns:repeat(2,1fr)}
  .bulk-filter input[type=search]{grid-column:1/-1}
}
@media(max-width:700px){
  .top-actions .btn.secondary{display:none}
  .overview-grid{grid-template-columns:1fr 1fr}
  .overview-grid .summary-card{padding:12px}
  .overview-grid .summary-card strong{font-size:17px}
  .overview-grid .summary-card small{font-size:10px}
  .list-view-toolbar{align-items:stretch;flex-direction:column}
  .list-mode-switch{width:100%}
  .list-mode-switch a{min-width:0}
  .bulk-filter{grid-template-columns:1fr 1fr}
  .bulk-filter input[type=search]{grid-column:1/-1}
  .bulk-apply-bar{align-items:stretch}
  .bulk-apply-bar select,.bulk-apply-bar .btn{width:100%}
  .bulk-table-wrap{max-height:none}
}


/* v0.5 clean layout ------------------------------------------------ */
:root{
  --bg:#f6f7f9;
  --panel:#ffffff;
  --line:#e7e9ee;
  --text:#15171a;
  --muted:#7a8089;
  --radius:14px;
  --shadow:none;
}

body{background:var(--bg)}
.app-shell{grid-template-columns:188px 1fr}
.sidebar{background:#17191d;padding:20px 14px}
.side-brand{
  width:40px;height:40px;border-radius:11px;font-size:19px;margin-bottom:22px
}
.sidebar nav a{padding:10px 12px;border-radius:9px;font-size:14px}
.content{padding:22px 26px;max-width:1480px}
.topbar{margin-bottom:14px}
.topbar h1{font-size:24px;letter-spacing:-.03em}
.panel,.summary-card{box-shadow:none;border-color:var(--line)}
.summary-card{border-radius:14px;padding:16px 18px}
.summary-card span{font-size:12px;color:#747b85}
.summary-card strong{font-size:22px;margin:7px 0 0}
.overview-grid{gap:10px;margin-bottom:12px}
.overview-grid .summary-card small{display:none}

.list-controls{
  padding:12px;
  margin-bottom:12px;
}
.list-controls-top{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:12px;
  margin-bottom:10px;
}
.period-nav-compact{
  display:flex;align-items:center;justify-content:center;gap:10px;
}
.period-nav-compact strong{font-size:15px}
.compact-action{justify-self:end}
.list-mode-switch{background:#f0f1f3}
.list-mode-switch a{padding:7px 12px;font-size:12px;min-width:72px}

.filters-clean{
  display:grid;
  grid-template-columns:minmax(180px,1.5fr) repeat(4,minmax(110px,.65fr)) auto auto;
  gap:7px;
}
.filters-clean input,.filters-clean select{padding:9px 10px;border-radius:9px;background:#fff}
.filters-clean .btn{padding:9px 12px}

.table-panel{border-radius:12px}
table{font-size:13px}
th,td{padding:11px 12px}
th{
  font-size:11px;
  letter-spacing:0;
  text-transform:none;
  background:#f8f9fb;
  color:#777e88;
}
tr:hover td{background:#fafbfc}
.desc-link{font-weight:650}
.subtext{font-size:11px;color:#9aa0a8}
.pill,.status-badge{padding:4px 7px;font-size:11px}
.mini-btn{padding:5px 8px;border-radius:7px}
.status-row-scheduled,.status-row-expected{background:transparent}
.status-row-scheduled td:first-child{box-shadow:inset 3px 0 0 #93c5fd}
.status-row-expected td:first-child{box-shadow:inset 3px 0 0 #facc15}

.settings-grid{gap:12px}
.settings-grid .panel{padding:18px}
.settings-grid h2{font-size:17px;margin-bottom:8px}

.bulk-toolbar{
  padding:12px;
  gap:10px;
  margin-bottom:10px;
}
.bulk-filter{
  grid-template-columns:minmax(180px,1fr) repeat(3,minmax(110px,.5fr)) auto;
  gap:7px;
}
.bulk-edit-panel{border-radius:12px}
.bulk-apply-bar{
  padding:10px;
  background:#f8f9fb;
  gap:7px;
}
.bulk-apply-bar select{
  min-width:135px;
  padding:8px 9px;
}
.bulk-selection-info{font-size:13px}
.bulk-table-wrap{
  max-height:calc(100vh - 285px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.bulk-table{min-width:1480px}
.bulk-table th,.bulk-table td{padding:0;border-right:1px solid #eef0f2}
.bulk-table th{padding:8px 7px}
.bulk-table td:first-child,.bulk-table th:first-child{
  width:42px;text-align:center;background:#fafafa
}
.bulk-table input,
.bulk-table select{
  width:100%;
  border:0;
  border-radius:0;
  padding:9px 8px;
  background:transparent;
  box-shadow:none;
  min-height:38px;
}
.bulk-table input:focus,
.bulk-table select:focus{
  background:#fff;
  box-shadow:inset 0 0 0 2px #9ca3af;
}
.bulk-table input[type="checkbox"]{width:17px;height:17px;min-height:auto}
.bulk-table .bulk-description{min-width:240px}
.bulk-table .bulk-memo{min-width:260px}
.bulk-table tr.bulk-changed td{background:#fffbea}
.bulk-table tr.bulk-changed input,
.bulk-table tr.bulk-changed select{background:#fffbea}
.bulk-footer{padding:10px 12px;font-size:12px;color:#6b7280}

.import-panel{border-radius:12px}
.import-grid input,.import-grid select{border-radius:6px}

.btn{border-radius:9px;padding:9px 12px}
.icon-btn{border-radius:8px}
.flash{border-radius:10px}

@media(max-width:1100px){
  .app-shell{grid-template-columns:70px 1fr}
  .filters-clean{grid-template-columns:repeat(3,1fr)}
  .filters-clean .filter-search{grid-column:1/-1}
}
@media(max-width:700px){
  .content{padding:14px 10px}
  .topbar h1{font-size:20px}
  .overview-grid{grid-template-columns:1fr 1fr;gap:7px}
  .overview-grid .summary-card{padding:12px}
  .overview-grid .summary-card span{font-size:10px}
  .overview-grid .summary-card strong{font-size:16px}
  .list-controls-top{
    grid-template-columns:1fr auto;
  }
  .period-nav-compact{
    grid-column:1/-1;
    grid-row:2;
  }
  .compact-action{justify-self:end}
  .filters-clean{grid-template-columns:1fr 1fr}
  .filters-clean .filter-search{grid-column:1/-1}
  .bulk-filter{grid-template-columns:1fr 1fr}
  .bulk-filter input[type=search]{grid-column:1/-1}
  .bulk-table-wrap{max-height:none}
}