/* ===========================================================
   WHYBROWSE — design tokens
   Theme: "Ink wash" — monochrome ledger, functional colour only
   =========================================================== */
:root{
  --ink:        #252525;
  --ink-soft:   #545454;
  --gray:       #7D7D7D;
  --border:     #CFCFCF;
  --hairline:   #E7E7E5;
  --paper:      #FFFFFF;
  --surface:    #FAFAF9;

  --positive:      #3F6B4A;
  --positive-soft: #EDF3EE;
  --negative:      #9C3B2E;
  --negative-soft: #F7ECEA;
  --warning:       #8F701E;
  --warning-soft:  #F6F1E3;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --font-display: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Consolas', monospace;

  --shadow-modal: 0 20px 50px -12px rgba(37,37,37,.22);

  color-scheme: light;
}

/* ===========================================================
   Reset & base
   =========================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html, body{ height: 100%; }

/* JS toggles visibility via the hidden attribute everywhere in this app —
   this guarantees it always wins over any component's own display rule. */
[hidden]{ display: none !important; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3{ font-family: var(--font-display); margin: 0; font-weight: 600; letter-spacing: -.01em; color: var(--ink); }
p{ margin: 0; }
button{ font-family: inherit; }
input, select{ font-family: inherit; }
::selection{ background: var(--ink); color: var(--paper); }

.visually-hidden{
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link{
  position: absolute; left: -999px; top: 0; background: var(--ink);
  color: var(--paper); padding: 10px 16px; z-index: 999; font-weight: 600;
}
.skip-link:focus{ left: 0; }

:focus-visible{
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  border-radius: 2px;
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation-duration: 0.001ms !important;
    animation-delay: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

.muted{ color: var(--gray); }

/* ===========================================================
   App shell / masthead
   =========================================================== */
.app{ max-width: 1180px; margin: 0 auto; padding: 0 24px 80px; }

.topbar{
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  padding: 34px 0 18px;
  border-bottom: 1px solid var(--ink);
  margin-bottom: 22px;
}
.brand{ display: flex; align-items: center; gap: 12px; }

.brand-mark{
  flex: none;
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--ink); color: var(--paper);
  font-family: var(--font-display); font-weight: 700; font-size: 17px;
  letter-spacing: -.02em;
  animation: mark-in .5s ease-out both;
}

.brand-word{ display: flex; flex-direction: column; gap: 4px; }
.brand-name{ font-family: var(--font-display); font-weight: 600; font-size: 32px; letter-spacing: -.01em; line-height: 1; white-space: nowrap; }
.brand-tag{ font-family: var(--font-display); font-style: italic; font-size: 14px; color: var(--ink-soft); }

.bw-part{ display: inline-block; }
.bw-hy, .bw-rowse{
  overflow: hidden; max-width: 0; opacity: 0; vertical-align: bottom;
  animation: bw-reveal .5s cubic-bezier(.2,.7,.3,1) both;
}
.bw-hy{ animation-delay: .45s; }
.bw-rowse{ animation-delay: 1.05s; }

@keyframes mark-in{
  from{ opacity: 0; transform: scale(.92); }
  to{ opacity: 1; transform: scale(1); }
}
@keyframes bw-reveal{
  from{ max-width: 0; opacity: 0; }
  to{ max-width: 240px; opacity: 1; }
}

.tabs{ display: flex; gap: 24px; }
.tab{
  appearance: none; border: none; background: transparent; color: var(--gray);
  cursor: pointer; font-size: 13.5px; font-weight: 600; letter-spacing: .01em;
  padding: 6px 0 12px; border-bottom: 2px solid transparent;
  display: flex; align-items: baseline; gap: 8px;
  transition: color .15s, border-color .15s;
}
.tab-index{ font-family: var(--font-mono); font-size: 10.5px; color: var(--border); }
.tab.active{ color: var(--ink); border-bottom-color: var(--ink); }
.tab.active .tab-index{ color: var(--ink); }
.tab:hover:not(.active){ color: var(--ink); }

.topbar-actions{ display: flex; gap: 8px; padding-bottom: 12px; }

/* ===========================================================
   Buttons
   =========================================================== */
.btn{
  appearance: none; cursor: pointer; border-radius: var(--radius-md); border: 1px solid var(--ink);
  background: transparent; color: var(--ink);
  font-weight: 600; font-size: 13px; letter-spacing: .01em; padding: 10px 16px;
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
  transition: background .15s ease, color .15s, border-color .15s, opacity .15s;
}
.btn:active{ opacity: .85; }
.btn-subtext{ font-weight: 500; opacity: .75; font-size: 11.5px; }
.btn-sm{ padding: 7px 12px; font-size: 12px; }

.btn-primary{ background: var(--ink); color: var(--paper); }
.btn-primary:hover{ background: #3a3a3a; }

.btn-ghost{ background: transparent; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover{ background: var(--surface); border-color: var(--ink); }

.btn-danger{ background: var(--negative); border-color: var(--negative); color: var(--paper); }
.btn-danger:hover{ background: #832f24; }
.btn-danger-ghost{ background: transparent; color: var(--negative); border-color: var(--negative-soft); }
.btn-danger-ghost:hover{ background: var(--negative-soft); border-color: var(--negative); }

/* ===========================================================
   KPI cards — laid out as a bordered ledger row, not floating cards
   =========================================================== */
.kpi-grid{
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border); border: 1px solid var(--border);
  margin-bottom: 30px;
}
.kpi-card{ background: var(--paper); padding: 22px 22px 20px; }

.kpi-top{ display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.kpi-label{ font-size: 11px; color: var(--gray); text-transform: uppercase; letter-spacing: .1em; font-weight: 600; }

.signal{ width: 7px; height: 7px; border-radius: 50%; background: var(--border); }
.signal-green{ background: var(--positive); }
.signal-red{ background: var(--negative); }

.kpi-value{ font-family: var(--font-mono); font-size: 30px; font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -.01em; color: var(--ink); }
.kpi-buffer .kpi-value.positive{ color: var(--positive); }
.kpi-buffer .kpi-value.negative{ color: var(--negative); }

.kpi-sub{ margin-top: 6px; font-size: 12.5px; color: var(--gray); }
.kpi-edit{
  margin-top: 10px; background: none; border: none; color: var(--ink); font-size: 12.5px;
  font-weight: 600; cursor: pointer; padding: 0; text-decoration: underline; text-underline-offset: 3px;
}
.kpi-edit:hover{ color: var(--ink-soft); }

/* ===========================================================
   Toolbar
   =========================================================== */
.toolbar{
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  flex-wrap: wrap; margin-bottom: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--hairline);
}
.toolbar-left{ display: flex; gap: 10px; flex-wrap: wrap; }
.toolbar-right{ display: flex; gap: 10px; margin-left: auto; }

.input-search, .input-select{
  background: var(--paper); border: 1px solid var(--border); color: var(--ink);
  border-radius: var(--radius-sm); padding: 9px 12px; font-size: 13px; min-width: 150px;
}
.input-search::placeholder{ color: var(--gray); }
.input-search:focus, .input-select:focus{ border-color: var(--ink); }

.view-toggle{ display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.view-toggle-btn{
  background: var(--paper); border: none; border-right: 1px solid var(--border);
  color: var(--gray); cursor: pointer; font-size: 12px; font-weight: 600; padding: 9px 14px;
}
.view-toggle-btn:last-child{ border-right: none; }
.view-toggle-btn.active{ background: var(--ink); color: var(--paper); }
.view-toggle-btn:hover:not(.active){ background: var(--surface); color: var(--ink); }

/* ===========================================================
   Outgoings — minimal list view (default on mobile)
   =========================================================== */
.outgoings-list{ list-style: none; margin: 0 0 24px; padding: 0; border: 1px solid var(--border); }
.outgoing-row{
  appearance: none; width: 100%; display: flex; align-items: center; gap: 10px;
  background: var(--paper); border: none; border-bottom: 1px solid var(--hairline);
  padding: 13px 14px; cursor: pointer; text-align: left; font-family: inherit; font-size: 13.5px; color: var(--ink);
}
.outgoings-list li:last-child .outgoing-row{ border-bottom: none; }
.outgoing-row:hover{ background: var(--surface); }
.or-dot{ width: 8px; height: 8px; border-radius: 50%; flex: none; }
.or-dot.status-active{ background: var(--positive); }
.or-dot.status-ending{ background: var(--warning); }
.or-dot.status-expired, .or-dot.status-rolling{ background: var(--negative); }
.or-payee{ flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.or-amount{ flex: none; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* ===========================================================
   Table
   =========================================================== */
.table-wrap{ border: 1px solid var(--border); }
.table{ width: 100%; border-collapse: collapse; }
.table thead th{
  text-align: left; font-size: 10.5px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--gray); font-weight: 700; padding: 13px 16px; border-bottom: 1px solid var(--ink);
  background: var(--surface); position: sticky; top: 0;
}
.table tbody td{
  padding: 13px 16px; border-bottom: 1px solid var(--hairline); font-size: 13.5px; vertical-align: middle;
}
.table tbody tr:last-child td{ border-bottom: none; }
.table tbody tr:hover{ background: var(--surface); }
.cell-payee{ font-weight: 600; }
.cell-amount, .cell-date{ font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.cell-day{ font-family: var(--font-mono); color: var(--gray); white-space: nowrap; }

.tag-badge{
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px 3px 8px;
  border-radius: 999px; font-size: 11px; font-weight: 600;
  border: 1px solid var(--border); color: var(--ink-soft); white-space: nowrap;
}
.tag-badge::before{ content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--tag-color); flex: none; }

.status-badge{
  display: inline-flex; align-items: center; gap: 7px; padding: 4px 11px 4px 9px;
  border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .01em;
  border: 1px solid var(--border); color: var(--ink); white-space: nowrap;
}
.status-badge .status-dot{ width: 6px; height: 6px; border-radius: 50%; flex: none; }
.status-active .status-dot{ background: var(--positive); }
.status-ending .status-dot{ background: var(--warning); }
.status-expired .status-dot{ background: var(--negative); }
.status-rolling .status-dot{ background: var(--negative); border-radius: 1px; transform: rotate(45deg); }

.row-actions{ display: flex; gap: 14px; }
.row-action{
  background: none; border: none; padding: 0; cursor: pointer;
  font-size: 12px; font-weight: 600; color: var(--gray);
  text-decoration: underline; text-underline-offset: 3px; text-decoration-color: transparent;
  transition: color .15s, text-decoration-color .15s;
}
.row-action:hover{ color: var(--ink); text-decoration-color: var(--ink); }
.row-action.danger:hover{ color: var(--negative); text-decoration-color: var(--negative); }

.empty-state{ padding: 60px 24px; text-align: center; }
.empty-title{ font-family: var(--font-display); font-weight: 600; font-size: 18px; margin-bottom: 6px; }

/* ===========================================================
   Compare page
   =========================================================== */
.compare-header{ margin-bottom: 22px; padding-bottom: 18px; border-bottom: 1px solid var(--ink); }
.compare-header h1{ font-size: 28px; margin-bottom: 6px; }

.filter-chips{ display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.chip{
  background: transparent; border: 1px solid var(--border); color: var(--gray);
  padding: 7px 14px; border-radius: var(--radius-sm); font-size: 12px; font-weight: 600; cursor: pointer;
  transition: all .15s;
}
.chip:hover{ border-color: var(--ink); color: var(--ink); }
.chip.active{ background: var(--ink); border-color: var(--ink); color: var(--paper); }

.compare-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1px; background: var(--border); border: 1px solid var(--border);
}
.compare-card{ background: var(--paper); padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.compare-card-top{ display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.compare-payee{ font-weight: 700; font-size: 15px; }
.compare-category{ font-size: 11px; color: var(--gray); text-transform: uppercase; letter-spacing: .07em; margin-top: 2px; }

.compare-amount-row{ display: flex; align-items: baseline; gap: 8px; }
.compare-current{ font-family: var(--font-mono); font-size: 19px; font-weight: 600; }
.compare-current-label{ font-size: 11px; color: var(--gray); }

.compare-savings{
  border: 1px solid var(--positive); background: var(--positive-soft);
  border-radius: var(--radius-sm); padding: 11px 13px;
}
.compare-savings-amount{ font-family: var(--font-mono); font-size: 17px; font-weight: 700; color: var(--positive); }
.compare-savings-label{ font-size: 11px; color: var(--ink-soft); margin-top: 2px; }

.compare-tip{ font-size: 12.5px; color: var(--ink-soft); line-height: 1.5; }
.compare-disclaimer{ font-size: 10.5px; color: var(--gray); font-style: italic; }

/* ===========================================================
   Modals
   =========================================================== */
.modal-overlay{
  position: fixed; inset: 0; background: rgba(37,37,37,.5);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 100;
}
.modal{
  background: var(--paper); border: 1px solid var(--ink); border-radius: var(--radius-lg);
  width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow-modal); padding: 24px 26px 26px;
}
.modal-sm{ max-width: 400px; }
.modal-header{
  display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px;
  padding-bottom: 14px; border-bottom: 1px solid var(--hairline);
}
.modal-header h2{ font-size: 19px; }
.modal-close{
  background: none; border: none; color: var(--gray); font-size: 12.5px; font-weight: 600;
  cursor: pointer; padding: 4px 0; text-decoration: underline; text-underline-offset: 3px;
}
.modal-close:hover{ color: var(--ink); }

.modal-footer{ display: flex; align-items: center; gap: 10px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--hairline); }
.modal-footer-spacer{ flex: 1; }

.field{ margin-bottom: 16px; }
.field label{ display: flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: var(--gray); margin-bottom: 7px; text-transform: uppercase; letter-spacing: .05em; }
.field input[type="text"], .field input[type="number"], .field input[type="date"], .field select{
  width: 100%; background: var(--paper); border: 1px solid var(--border); color: var(--ink);
  border-radius: var(--radius-sm); padding: 10px 12px; font-size: 14px;
}
.field input:focus, .field select:focus{ border-color: var(--ink); }
.field-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

#inviteCodeDisplay, #joinCodeInput{
  font-family: var(--font-mono); letter-spacing: .08em; text-transform: uppercase;
}
#inviteCodeDisplay{ color: var(--ink); font-weight: 600; cursor: text; }

.bank-list{ max-height: 320px; overflow-y: auto; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-top: 4px; }
.bank-option{
  display: block; width: 100%; text-align: left; padding: 11px 14px;
  background: var(--paper); border: none; border-bottom: 1px solid var(--hairline);
  cursor: pointer; font-size: 13.5px; color: var(--ink); font-family: inherit;
}
.bank-list .bank-option:last-child{ border-bottom: none; }
.bank-option:hover{ background: var(--surface); }

.checkbox-row{ display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-soft); margin: 4px 0 12px; cursor: pointer; }
.checkbox-row input{ width: 16px; height: 16px; accent-color: var(--ink); }

.tip-toggle{
  background: none; border: none; padding: 0; margin-left: 2px; cursor: pointer;
  font-size: 11px; font-weight: 600; letter-spacing: 0; text-transform: none;
  color: var(--gray); text-decoration: underline; text-underline-offset: 3px;
}
.tip-toggle:hover{ color: var(--ink); }
.tip-text{
  font-size: 12px; color: var(--ink-soft); margin-top: 8px; line-height: 1.55;
  background: var(--surface); border-left: 2px solid var(--border); padding: 9px 12px;
}

.tag-select-row{ display: flex; align-items: center; gap: 8px; }
.tag-select-row select, .tag-select-row input{ flex: 1; }
.tag-swatch{ width: 12px; height: 12px; border-radius: 50%; flex: none; background: var(--border); box-shadow: 0 0 0 1px var(--border); }

.swatch-grid{ display: flex; flex-wrap: wrap; gap: 9px; }
.swatch-btn{ width: 28px; height: 28px; border-radius: 50%; border: 2px solid var(--paper); box-shadow: 0 0 0 1px var(--border); cursor: pointer; padding: 0; }
.swatch-btn.selected{ box-shadow: 0 0 0 2px var(--ink); }

/* ---------- Wizard ---------- */
.wizard-steps{ display: flex; align-items: center; gap: 8px; margin-bottom: 24px; }
.wizard-step-dot{ display: flex; flex-direction: column; align-items: center; gap: 5px; color: var(--gray); }
.dot-num{
  width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--border); background: var(--paper);
  display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 11px; color: var(--gray);
}
.dot-label{ font-size: 9.5px; text-transform: uppercase; letter-spacing: .06em; }
.wizard-step-dot.active .dot-num, .wizard-step-dot.done .dot-num{ background: var(--ink); border-color: var(--ink); color: var(--paper); }
.wizard-step-dot.active, .wizard-step-dot.done{ color: var(--ink); }
.wizard-step-line{ flex: 1; height: 1px; background: var(--border); margin-bottom: 19px; }

/* ===========================================================
   Toasts
   =========================================================== */
.toast-container{
  position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 200;
  max-width: 340px;
}
.toast{
  background: var(--paper); border: 1px solid var(--ink); border-left: 3px solid var(--ink);
  padding: 12px 14px; font-size: 13px; box-shadow: var(--shadow-modal);
  animation: toast-in .2s ease-out;
}
.toast.success{ border-left-color: var(--positive); }
.toast.error{ border-left-color: var(--negative); }
@keyframes toast-in{ from{ opacity: 0; transform: translateY(8px); } to{ opacity: 1; transform: translateY(0); } }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 860px){
  .kpi-grid{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
  .table-wrap{ overflow-x: auto; }
  .table{ min-width: 720px; }
  .toolbar{ flex-direction: column; align-items: stretch; }
  .toolbar-right{ margin-left: 0; }
}
@media (max-width: 560px){
  .app{ padding: 0 14px 60px; }
  .topbar{ flex-direction: column; align-items: flex-start; gap: 14px; }
  .topbar-actions{ width: 100%; padding-bottom: 0; }
  .btn-subtext{ display: none; }
}