:root {
  --bg: #f6f7f9;
  --surface: #fff;
  --surface-2: #f0f2f5;
  --surface-3: #e6e9ee;
  --border: #dfe3e9;
  --border-strong: #c8ced8;
  --text: #14181f;
  --text-2: #4b5563;
  --text-3: #8b93a1;
  --brand: #1f4d7a;
  --brand-ink: #16385a;
  --brand-soft: #e7eef6;
  --accent: #b8722a;
  --accent-soft: #fbf0e2;
  --danger: #b4231f;
  --danger-soft: #fdeceb;
  --warn: #a76a05;
  --warn-soft: #fdf3e0;
  --ok: #1e7a4d;
  --ok-soft: #e6f5ed;
  --calm: #4b5563;
  --calm-soft: #eef0f3;
  --purple: #6938a8;
  --purple-soft: #f3ebfa;
  --teal: #147278;
  --teal-soft: #e5f6f7;
  --shadow-sm: 0 1px 2px #1018280f, 0 1px 3px #1018280d;
  --shadow-md: 0 2px 4px #1018280d, 0 6px 16px #10182814;
  --shadow-lg: 0 4px 8px #1018280f, 0 14px 32px #10182821;
  --radius: 14px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: ui-sans-serif, system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea {
  font: inherit;
  color: inherit;
}

.app { display: flex; min-height: 100dvh; }

.sidebar {
  position: sticky;
  top: 0;
  height: 100dvh;
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--surface);
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
}
.mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
  font-size: 15px;
  box-shadow: var(--shadow-sm);
}
.brand-name { font-size: 16px; font-weight: 700; letter-spacing: -0.02em; }

nav.main { display: flex; flex-direction: column; gap: 2px; padding: 0 10px; flex: 1; overflow-y: auto; overflow-x: hidden; }
.nav-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border-radius: 10px;
  padding: 7px 10px;
  color: var(--text-2);
  transition: background 0.15s ease, color 0.15s ease;
}
.nav-item svg { flex-shrink: 0; margin-top: 2px; }
.nav-item .label { display: block; font-size: 13px; font-weight: 600; line-height: 1.2; color: var(--text); }
.nav-item .hint { display: block; font-size: 10.5px; color: var(--text-3); margin-top: 1px; }
.nav-item.active { background: var(--brand-soft); }
.nav-item.active .label { color: var(--brand-ink); }
.nav-item.active svg { color: var(--brand); }
.nav-item:hover:not(.active) { background: var(--surface-2); }

.nav-section {
  margin: 12px 10px 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 0;
  border-radius: 999px;
  padding: 8px 14px;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: filter 0.15s ease, transform 0.05s ease;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: scale(0.98); }
.btn-sm { padding: 5px 10px; font-size: 11.5px; border-radius: 6px; }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-soft { background: var(--brand-soft); color: var(--brand-ink); box-shadow: none; }
.btn-warn { background: var(--accent); }
.btn-ok { background: var(--ok); }
.btn-danger { background: var(--danger); }
.btn-purple { background: var(--purple); color: #fff; }

.add-client {
  margin: 8px 10px 4px;
  width: calc(100% - 20px);
}

.sidebar-foot {
  padding: 10px 14px 14px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.firm-name { font-size: 12px; font-weight: 650; }
.firm-meta { font-size: 10.5px; color: var(--text-3); }

.shell { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  background: #eef3f8;
  color: var(--brand-ink);
  text-align: center;
  font-size: 12px;
  padding: 7px 16px;
  border-bottom: 1px solid #d7e2ee;
}
.page { padding: 20px 26px 48px; max-width: 1320px; }

.demo {
  position: relative;
  background: var(--accent-soft);
  border: 1px solid #f0d8b8;
  border-radius: 16px;
  padding: 14px 18px 12px;
  margin-bottom: 20px;
}
.demo h2 { margin: 0 0 6px; font-size: 13.5px; color: #7a4d14; }
.demo p { margin: 0; color: #6b542e; font-size: 12.5px; }
.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 10px 0;
}
.demo-card {
  background: #fffaf4;
  border-radius: 12px;
  padding: 10px 12px;
  border: 1px solid #f4e3cc;
}
.demo-card b { display: block; margin-bottom: 3px; color: var(--text); font-size: 12.5px; }
.num {
  display: inline-grid;
  place-items: center;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  margin-right: 6px;
}
.fineprint { font-size: 11.5px; color: #7a6240; margin-top: 6px !important; }
.close-demo {
  position: absolute; top: 10px; right: 10px;
  border: 0; background: transparent; color: #8a6a3a; cursor: pointer; font-size: 16px;
}

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
h1 { margin: 0; font-size: 24px; letter-spacing: -0.03em; }
.sub { color: var(--text-2); margin-top: 4px; font-size: 13px; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 16px; }
.kpis-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-bottom: 16px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 13px 15px;
}
.kpi-label { font-size: 10.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.kpi-value { font-size: 24px; font-weight: 700; letter-spacing: -0.03em; margin-top: 3px; }
.kpi-value.danger { color: var(--danger); }
.kpi-value.warn { color: var(--warn); }
.kpi-value.ok { color: var(--ok); }
.kpi-value.brand { color: var(--brand); }
.kpi-value.purple { color: var(--purple); }
.kpi-hint { color: var(--text-3); font-size: 11.5px; margin-top: 2px; }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 16px 18px; margin-bottom: 14px; }
.panel h2 { margin: 0 0 12px; font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-3); }
.panel h3 { margin: 0 0 8px; font-size: 14px; font-weight: 650; }

.bars { display: flex; flex-direction: column; gap: 10px; }
.bar-row { display: grid; grid-template-columns: 110px 1fr auto; gap: 10px; align-items: center; }
.bar-track { height: 9px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--brand); border-radius: 99px; }
.bar-fill.late { background: linear-gradient(90deg, var(--brand) 70%, var(--danger) 70%); }
.bar-meta { font-size: 12.5px; font-weight: 650; }
.late-n { color: var(--danger); font-weight: 650; font-size: 12px; }

.owners { display: flex; gap: 10px; flex-wrap: wrap; }
.owner {
  min-width: 118px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  transition: border-color 0.15s ease;
}
.owner:hover { border-color: var(--brand); }
.owner .n { font-size: 22px; font-weight: 750; letter-spacing: -0.03em; }
.owner .over { color: var(--danger); font-size: 11.5px; font-weight: 650; }

.columns { display: grid; grid-template-columns: 1.15fr 0.7fr 1fr; gap: 12px; }
.col-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.col-head h2 { margin: 0; text-transform: uppercase; letter-spacing: 0.06em; font-size: 12px; color: var(--text-3); }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  border-radius: 99px; padding: 2px 8px; font-size: 11.5px; font-weight: 700;
  line-height: 1.2;
}
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-warn { background: var(--warn-soft); color: var(--warn); }
.badge-ok { background: var(--ok-soft); color: var(--ok); }
.badge-brand { background: var(--brand-soft); color: var(--brand-ink); }
.badge-calm { background: var(--calm-soft); color: var(--calm); }
.badge-accent { background: var(--accent-soft); color: var(--accent); }
.badge-purple { background: var(--purple-soft); color: var(--purple); }
.badge-teal { background: var(--teal-soft); color: var(--teal); }

.item {
  display: block;
  padding: 9px 0;
  border-top: 1px solid var(--border);
}
.item:first-of-type { border-top: 0; }
.item .title { font-weight: 650; }
.item .meta { color: var(--text-2); font-size: 12px; margin-top: 2px; }
.item .when { font-size: 11.5px; margin-top: 3px; }
.when.late { color: var(--danger); font-weight: 650; }
.when.soon { color: var(--warn); font-weight: 650; }
.stake { color: var(--text-3); font-size: 11.5px; }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tab {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 99px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
  transition: all 0.15s ease;
}
.tab:hover { background: var(--surface-2); }
.tab.on { background: var(--brand-soft); color: var(--brand-ink); border-color: #c9d8e8; font-weight: 650; }

table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
th { text-align: left; font-size: 10.5px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-3); font-weight: 700; padding: 8px 8px 8px 0; border-bottom: 1px solid var(--border); }
td { padding: 9px 8px 9px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: #fafbfc; }
.right { text-align: right; }
.mono { font-variant-numeric: tabular-nums; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }

.pill-row { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border-radius: 8px;
  padding: 5px 9px;
  background: var(--surface-2);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}
.chip.on { background: var(--brand); color: #fff; }

.chase {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--surface);
}
.msg {
  margin: 8px 0 0;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 10px 12px;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px;
  color: var(--text-2);
}

.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
}
.step .i { font-size: 11px; font-weight: 800; color: var(--brand); }
.step b { display: block; margin: 3px 0; font-size: 12px; }
.step span { color: var(--text-2); font-size: 11px; }

.empty { color: var(--text-3); padding: 18px 0; text-align: center; }

.client-card {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
}
.client-card:last-child { border-bottom: 0; }

.rule {
  border-top: 1px solid var(--border);
  padding: 12px 0;
}
.rule h3 { margin: 0 0 3px; font-size: 14px; }
.code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 11px; color: var(--text-3); }

/* TOOLBAR & SEARCH */
.toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.search-input {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12.5px;
  width: 260px;
  background: var(--surface);
}
.search-input:focus { outline: none; border-color: var(--brand); }
.select-input {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 12.5px;
  background: var(--surface);
}

/* MODAL SYSTEM */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(14, 23, 38, 0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
  animation: fadeIn 0.15s ease-out;
}
.modal-box {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  animation: slideUp 0.18s ease-out;
}
.modal-box.lg { max-width: 820px; }
.modal-head {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-head h3 { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.modal-head .close-btn {
  border: 0; background: transparent; font-size: 20px; color: var(--text-3);
  cursor: pointer; padding: 2px 6px; border-radius: 6px;
}
.modal-head .close-btn:hover { background: var(--surface-2); color: var(--text); }
.modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 13px;
}
.modal-foot {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* FORM ELEMENTS */
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-label { font-size: 11.5px; font-weight: 650; color: var(--text-2); }
.form-input, .form-select, .form-textarea {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: var(--surface);
  color: var(--text);
  width: 100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 2px var(--brand-soft);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* CALCULATOR & MATRIX WIDGETS */
.calc-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 12px;
}
.calc-header { font-size: 12.5px; font-weight: 700; margin-bottom: 10px; color: var(--brand-ink); }
.calc-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 12.5px;
}
.calc-row:last-child { border-bottom: 0; font-weight: 700; color: var(--brand-ink); }
.calc-row .val { font-variant-numeric: tabular-nums; }

/* PAYSLIP / INVOICE PREVIEW */
.paper-preview {
  background: #fff;
  border: 1px solid #c9d2de;
  border-radius: 8px;
  padding: 24px;
  font-family: inherit;
  box-shadow: var(--shadow-sm);
}
.paper-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 2px solid var(--brand);
  padding-bottom: 12px;
  margin-bottom: 16px;
}
.paper-title { font-size: 18px; font-weight: 800; color: var(--brand-ink); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(12px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

@media (max-width: 1100px) {
  .kpis, .kpis-5, .columns, .grid-3, .grid-4, .flow, .demo-grid { grid-template-columns: 1fr 1fr; }
  .sidebar { display: none; }
}
@media (max-width: 720px) {
  .kpis, .kpis-5, .columns, .grid-2, .grid-3, .grid-4, .flow, .demo-grid, .form-row { grid-template-columns: 1fr; }
  .page { padding: 14px; }
}