:root{
  --bg: #f8fafc;
  --panel: #ffffff;
  --panel-alt: #f1f5f9;
  --ink: #0f172a;
  --ink-light: #1e293b;
  --muted: #52607a;
  --border: #cbd5e1;
  --border-soft: #e2e8f0;
  --accent: #1e3a8a;
  --accent-dark: #172554;
  --accent-hover: #1d4ed8;
  --accent-soft: #eff6ff;
  --green: #047857;
  --green-soft: #ecfdf5;
  --green-border: #a7f3d0;
  --red: #be123c;
  --red-soft: #fff1f2;
  --red-border: #fecdd3;
  --amber: #b45309;
  --amber-soft: #fffbeb;
  --amber-border: #fde68a;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.07), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 6px 18px -2px rgba(15, 23, 42, 0.07), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 45px -4px rgba(15, 23, 42, 0.12), 0 8px 18px -4px rgba(15, 23, 42, 0.06);
}

*{ box-sizing: border-box; }
*{ transition: background-color .15s ease, border-color .15s ease, box-shadow .15s ease, color .15s ease, transform .1s ease; }

body{
  margin: 0;
  font-family: "Times New Roman", Times, Baskerville, Georgia, serif;
  background:
    radial-gradient(1300px 550px at 50% -8%, rgba(30, 58, 138, 0.05), transparent 75%),
    radial-gradient(900px 450px at 95% 10%, rgba(4, 120, 87, 0.03), transparent 70%),
    var(--bg);
  background-attachment: fixed;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* -------------------------------- header & navigation -------------------------------- */
.app-header{
  display: flex;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border-soft);
  padding: 12px 28px;
  position: sticky;
  top: 0;
  z-index: 30;
  flex-wrap: wrap;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.03);
}

.brand{ display: flex; flex-direction: column; gap: 2px; }
.brand h1{
  font-size: 20px;
  margin: 0;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.015em;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 60%, #3b82f6 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand .subtitle{
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tabs{
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  flex: 1;
  background: var(--panel-alt);
  border: 1px solid var(--border-soft);
  padding: 4px;
  border-radius: 12px;
}
.tab-btn{
  font-family: inherit;
  background: transparent;
  border: 1px solid transparent;
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13.5px;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}
.tab-btn:hover{
  background: #ffffff;
  color: var(--ink);
  box-shadow: var(--shadow-xs);
}
.tab-btn.active{
  background: var(--ink);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.22);
}

.data-tools{ display: flex; gap: 7px; }
.btn-ghost{
  font-family: inherit;
  background: #ffffff;
  border: 1.5px solid var(--border-soft);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
  font-weight: 600;
  box-shadow: var(--shadow-xs);
}
.btn-ghost:hover{
  background: var(--panel-alt);
  border-color: var(--border);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-ghost.danger{
  color: var(--red);
  border-color: #fecdd3;
  background: #fff5f5;
}
.btn-ghost.danger:hover{
  background: var(--red-soft);
  border-color: #fda4af;
}

/* -------------------------------- layout & typography -------------------------------- */
main{
  padding: 28px;
  max-width: 1440px;
  margin: 0 auto;
}
.tab-panel{ display: none; }
.tab-panel.active{
  display: block;
  animation: elegantFadeIn .22s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes elegantFadeIn{
  from{ opacity: 0; transform: translateY(6px); }
  to{ opacity: 1; transform: translateY(0); }
}

h2{
  font-size: 23px;
  margin: 0 0 6px;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink);
}
h3{
  font-size: 16.5px;
  margin: 22px 0 12px;
  font-weight: 750;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.panel-desc{
  color: var(--muted);
  font-size: 13.5px;
  margin-bottom: 20px;
  max-width: 860px;
  line-height: 1.55;
}

/* -------------------------------- cards & containers -------------------------------- */
.card{
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-md);
}
.card-title{
  font-weight: 750;
  font-size: 14.5px;
  margin-bottom: 14px;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.grid-row{
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: flex-start;
}
.grid-row > .card{ flex: 1; min-width: 320px; }

/* -------------------------------- tables -------------------------------- */
table{
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-family: inherit;
}
th, td{
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-soft);
  text-align: left;
  vertical-align: middle;
}
th{
  background: rgba(241, 245, 249, 0.65);
  color: var(--muted);
  font-weight: 750;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1.5px solid var(--border);
}
tbody tr{ transition: background-color .12s ease; }
tbody tr:hover{ background: #f8fafc; }
tbody tr:nth-child(even){ background: rgba(15, 23, 42, 0.015); }
tbody tr:nth-child(even):hover{ background: #f1f5f9; }

tfoot td{
  font-weight: 750;
  border-top: 2px solid var(--ink);
  border-bottom: none;
  font-size: 14.5px;
}
.num{
  text-align: right;
  font-variant-numeric: tabular-nums lining-nums;
}
.muted{ color: var(--muted); }
.small{ font-size: 12px; }

/* -------------------------------- tags & badges -------------------------------- */
.tag{
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  background: var(--accent-soft);
  color: var(--accent-hover);
  border: 1px solid #bfdbfe;
  letter-spacing: 0.02em;
}
.tag.green{
  background: var(--green-soft);
  color: var(--green);
  border: 1px solid var(--green-border);
}
.tag.red{
  background: var(--red-soft);
  color: var(--red);
  border: 1px solid var(--red-border);
}
.tag.amber{
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px solid var(--amber-border);
}

/* -------------------------------- form elements -------------------------------- */
label{
  display: block;
  font-size: 11px;
  font-weight: 750;
  color: var(--muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
input, select, textarea{
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  background: #ffffff;
  color: var(--ink);
  font-family: inherit;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}
input:hover, select:hover, textarea:hover{
  border-color: #94a3b8;
}
input:focus, select:focus, textarea:focus{
  outline: none;
  border-color: var(--accent-hover);
  box-shadow: 0 0 0 3.5px rgba(37, 99, 235, 0.14);
}
input:disabled{
  background: var(--panel-alt);
  color: var(--muted);
  cursor: not-allowed;
}
input[type="color"]{ padding: 3px 5px; cursor: pointer; }
input[type="file"]{
  border: 1.5px dashed var(--border);
  background: var(--panel-alt);
  cursor: pointer;
}
.field{ margin-bottom: 13px; }
.form-row{
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.form-row > .field{ flex: 1; min-width: 150px; }

/* -------------------------------- buttons -------------------------------- */
button{
  font-family: inherit;
  letter-spacing: -0.005em;
}
button.primary{
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%);
  color: #ffffff;
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 4px rgba(37, 99, 235, 0.2), 0 6px 14px -2px rgba(37, 99, 235, 0.25);
}
button.primary:hover{
  background: linear-gradient(135deg, #172554 0%, #1d4ed8 100%);
  transform: translateY(-1.5px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.25), 0 10px 20px -3px rgba(37, 99, 235, 0.35);
}
button.primary:active{ transform: translateY(0); }
button.primary:disabled{
  background: #cbd5e1;
  color: #ffffff;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

button.secondary{
  background: #ffffff;
  border: 1.5px solid var(--border);
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 650;
  color: var(--ink);
  box-shadow: var(--shadow-xs);
}
button.secondary:hover{
  background: var(--panel-alt);
  border-color: #94a3b8;
  transform: translateY(-1px);
}
button.secondary:disabled{
  color: var(--muted);
  cursor: not-allowed;
  border-color: var(--border-soft);
}

button.link{
  background: none;
  border: none;
  color: var(--accent-hover);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 6px;
  font-weight: 650;
}
button.link:hover{
  color: var(--accent);
  text-decoration: underline;
}
button.link.danger{ color: var(--red); }
button.link.danger:hover{ color: #9f1239; }

button.icon-btn{
  background: none;
  border: none;
  cursor: pointer;
  font-size: 15px;
  padding: 4px 7px;
  border-radius: 6px;
}
button.icon-btn:hover{ background: var(--panel-alt); }

.line-table input, .line-table select{ padding: 7px 9px; font-size: 13.5px; }
.line-table td{ padding: 6px 8px; }

.balance-indicator{
  margin-top: 10px;
  font-weight: 750;
  font-size: 13.5px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  display: inline-block;
}
.balance-indicator.ok{
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid var(--green-border);
}
.balance-indicator.bad{
  color: var(--red);
  background: var(--red-soft);
  border: 1px solid var(--red-border);
}

/* -------------------------------- sub tabs -------------------------------- */
.sub-tabs{
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.sub-tab-btn{
  font-family: inherit;
  background: #ffffff;
  border: 1.5px solid var(--border);
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 650;
  color: var(--muted);
  box-shadow: var(--shadow-xs);
}
.sub-tab-btn:hover{
  border-color: #94a3b8;
  color: var(--ink);
  transform: translateY(-1px);
}
.sub-tab-btn.active{
  background: var(--ink);
  color: #ffffff;
  border-color: var(--ink);
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.2);
}

.statement-cols{ display: flex; gap: 24px; flex-wrap: wrap; }
.statement-col{ flex: 1; min-width: 320px; }
.statement-total-row td{
  font-weight: 800;
  border-top: 2px solid var(--ink);
}

/* -------------------------------- modal -------------------------------- */
.modal-overlay{
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  animation: overlayIn .18s ease;
}
@keyframes overlayIn{ from{ opacity: 0; } to{ opacity: 1; } }
.modal-overlay.hidden{ display: none; }

.modal-box{
  background: #ffffff;
  border-radius: 18px;
  padding: 26px 28px;
  width: 480px;
  max-width: 92vw;
  max-height: 88vh;
  overflow: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-soft);
  animation: modalIn .2s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalIn{
  from{ opacity: 0; transform: scale(0.96) translateY(8px); }
  to{ opacity: 1; transform: scale(1) translateY(0); }
}
.modal-box h3{
  margin-top: 0;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.modal-actions{
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
}

/* -------------------------------- toast -------------------------------- */
.toast{
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #ffffff;
  padding: 12px 22px;
  border-radius: 12px;
  font-size: 14px;
  z-index: 200;
  box-shadow: var(--shadow-lg);
  font-weight: 600;
  letter-spacing: 0.01em;
  border: 1px solid rgba(255, 255, 255, 0.1);
  animation: toastIn .22s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes toastIn{
  from{ opacity: 0; transform: translate(-50%, 10px); }
  to{ opacity: 1; transform: translate(-50%, 0); }
}
.toast.hidden{ display: none; }
.toast.error{ background: var(--red); }

/* -------------------------------- misc utilities -------------------------------- */
.empty-state{
  color: var(--muted);
  font-style: italic;
  padding: 22px 0;
  font-size: 14px;
  text-align: center;
}
.account-group-title{
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin: 18px 0 8px;
}
.row-actions{ display: flex; gap: 6px; white-space: nowrap; }
.helper-note{
  background: var(--amber-soft);
  border: 1px solid var(--amber-border);
  color: #92400e;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 14px;
  line-height: 1.5;
}

::-webkit-scrollbar{ width: 8px; height: 8px; }
::-webkit-scrollbar-track{ background: transparent; }
::-webkit-scrollbar-thumb{ background: #cbd5e1; border-radius: 8px; }
::-webkit-scrollbar-thumb:hover{ background: #94a3b8; }

/* -------------------------------- Modern KPI & Highlights -------------------------------- */
.kpi-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.kpi-card{
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.04);
  transition: transform .15s ease, box-shadow .15s ease;
}
.kpi-card:hover{
  transform: translateY(-1.5px);
  box-shadow: var(--shadow-sm);
}
.kpi-label{
  font-size: 11px;
  font-weight: 750;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 5px;
}
.kpi-val{
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums lining-nums;
}
.kpi-val.green{ color: var(--green); }
.kpi-val.blue{ color: #1d4ed8; }
.kpi-val.red{ color: var(--red); }

.table-highlight-blue{ background: rgba(37, 99, 235, 0.06); }
.table-highlight-red{ background: rgba(220, 38, 38, 0.05); }
.table-highlight-green{ background: rgba(4, 120, 87, 0.05); }