/* ============================================================
   FLUX — folha de estilo partilhada
   Paleta e tipografia da identidade visual (ver flux-identidade-visual.html)
   ============================================================ */

:root{
  --paper: #EAF0EE;
  --paper-2: #DFE7E3;
  --card: #FFFFFF;
  --ink: #17262B;
  --ink-soft: #4E6167;
  --ink-faint: #8A9A9C;
  --current: #1F6F78;
  --current-soft: #DCEBE9;
  --copper: #C97B4A;
  --copper-soft: #F3E3D6;
  --moss: #4C8C6B;
  --moss-soft: #E1EEE6;
  --brick: #B5453D;
  --brick-soft: #F4DEDA;
  --line: rgba(23,38,43,0.08);
  --font-display: 'Fraunces', serif;
  --font-body: 'IBM Plex Sans', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

*{ box-sizing:border-box; margin:0; padding:0; }

body{
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  max-width: 430px;
  margin-inline: auto;
  min-height: 100vh;
  padding-bottom: 96px;
}

a{ color: inherit; }

header{ padding: 24px 20px 8px; }
.eyebrow{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--current);
}
.greeting{
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 600;
  margin-top: 4px;
}

main{ padding: 8px 18px 0; }

/* SALDO — cartão assinatura */
.balance-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 20px;
  margin-top: 14px;
}
.balance-label{ font-size: 12.5px; color: var(--ink-soft); }
.balance-figure{
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 600;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.balance-figure .cents{ font-size: 19px; color: var(--ink-soft); }
.flow-underline{ width: 100%; max-width: 220px; height: 14px; margin-top: 10px; display:block; }
.flow-underline path{ stroke-dasharray: 400; animation: flow 5s linear infinite; }
@keyframes flow{ 0%{ stroke-dashoffset:0; } 100%{ stroke-dashoffset:-400; } }
@media (prefers-reduced-motion: reduce){ .flow-underline path{ animation:none; } }

.stat-row{
  display:flex;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.stat{ flex:1; }
.stat-label{ font-size: 11.5px; color: var(--ink-soft); display:flex; align-items:center; gap:5px; }
.stat-dot{ width:6px; height:6px; border-radius:50%; }
.stat-value{ font-family: var(--font-mono); font-size: 16px; font-weight: 600; margin-top: 3px; }
.stat-value.pos{ color: var(--moss); }
.stat-value.neg{ color: var(--brick); }

/* CABEÇALHO DE SECÇÃO */
.section-head{
  display:flex;
  justify-content: space-between;
  align-items: baseline;
  margin: 26px 0 12px;
}
.section-title{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
}
.section-link{
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--current);
  text-decoration: none;
}

/* ORÇAMENTO */
.budget-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
}
.budget-row{ padding: 10px 0; }
.budget-row + .budget-row{ border-top: 1px solid var(--line); }
.budget-top{ display:flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 8px; }
.budget-cat{ font-weight: 500; }
.budget-amounts{ font-family: var(--font-mono); color: var(--ink-soft); font-size: 12.5px; }
.budget-bar-track{ height: 6px; background: var(--paper-2); border-radius: 999px; overflow: hidden; }
.budget-bar-fill{ height: 100%; border-radius: 999px; background: var(--current); }
.budget-bar-fill.copper{ background: var(--copper); }
.budget-bar-fill.brick{ background: var(--brick); }
.budget-bar-fill.moss{ background: var(--moss); }

/* PRÓXIMOS PAGAMENTOS */
.pay-list{ display:flex; flex-direction:column; gap: 10px; }
.pay-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  display:flex;
  align-items:center;
  gap: 14px;
}
.pay-badge{
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: white;
  background: var(--ink-faint);
  border-radius: 10px;
  padding: 6px 8px;
  text-align:center;
  min-width: 46px;
  line-height: 1.2;
}
.pay-badge .num{ font-size: 15px; display:block; }
.pay-badge.soon{ background: var(--copper); }
.pay-badge.overdue{ background: var(--brick); }
.pay-badge.later{ background: var(--current); }
.pay-info{ flex:1; }
.pay-title{ font-size: 14px; font-weight: 500; }
.pay-sub{ font-size: 11.5px; color: var(--ink-soft); margin-top: 1px; }
.pay-amount{ font-family: var(--font-mono); font-size: 14px; font-weight: 600; }
.empty-note{ font-size: 12.5px; color: var(--ink-soft); padding: 8px 2px; }

/* FAB + NAV */
.scan-fab{
  position: fixed;
  bottom: 58px; left: 50%;
  transform: translateX(-50%);
  width: 58px; height: 58px;
  border-radius: 50%;
  background: var(--current);
  border: 4px solid var(--paper);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow: 0 6px 16px rgba(31,111,120,0.35);
  z-index: 11;
  cursor: pointer;
}
.scan-fab svg{ width: 24px; height: 24px; stroke: white; }

nav.tabbar{
  position: fixed;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  display:flex;
  justify-content: space-around;
  align-items:center;
  padding: 10px 8px calc(8px + env(safe-area-inset-bottom));
  z-index: 10;
}
.tab{
  display:flex;
  flex-direction: column;
  align-items:center;
  gap: 4px;
  background:none;
  border:none;
  color: var(--ink-faint);
  font-family: var(--font-body);
  font-size: 10px;
  cursor:pointer;
  padding: 4px 6px;
  width: 64px;
  text-decoration: none;
}
.tab.active{ color: var(--current); font-weight: 600; }
.tab svg{ width:19px; height:19px; }
.tab.spacer{ width: 58px; }
.tab:focus-visible{ outline: 2px solid var(--current); outline-offset: 2px; border-radius: 6px; }

/* NAVEGAÇÃO DE MÊS */
.month-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 18px;
  margin-top: 12px;
}
.month-nav button{
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor: pointer;
}
.month-nav button:hover{ background: var(--paper-2); }
.month-nav button svg{ width: 16px; height: 16px; }
.month-label{
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  text-transform: capitalize;
  min-width: 130px;
  text-align: center;
}

/* CATEGORIA — cartão clicável */
.budget-row-link{
  display:block;
  text-decoration: none;
  color: inherit;
}
.budget-row-link .budget-row{ cursor: pointer; }
.budget-row-link:hover .budget-row{ background: var(--paper-2); border-radius: 10px; }

/* DETALHE DE CATEGORIA */
.back-link{
  display:inline-flex;
  align-items:center;
  gap: 6px;
  font-size: 13px;
  color: var(--current);
  text-decoration: none;
  font-family: var(--font-mono);
}
.back-link svg{ width: 14px; height: 14px; }

.limit-card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  margin-top: 14px;
}
.limit-top{ display:flex; justify-content: space-between; align-items:flex-start; }
.limit-label{ font-size: 12.5px; color: var(--ink-soft); }
.limit-amounts{ font-family: var(--font-mono); font-size: 24px; font-weight: 600; margin-top: 4px; }
.limit-amounts .over{ color: var(--brick); }
.limit-edit-btn{
  background: var(--paper-2);
  border: none;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  color: var(--ink-soft);
  cursor: pointer;
}
.limit-edit-form{ display:none; align-items:center; gap: 8px; margin-top: 14px; }
.limit-edit-form.open{ display:flex; }
.limit-edit-form input{
  flex:1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 14px;
}
.limit-edit-form button{
  padding: 10px 14px;
  border-radius: 10px;
  border: none;
  background: var(--current);
  color: white;
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}
.limit-edit-form .cancel{ background: var(--paper-2); color: var(--ink-soft); }

.subcat-list{ display:flex; flex-direction:column; gap: 8px; }
.subcat-row{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  display:flex;
  justify-content: space-between;
  align-items:center;
}
.subcat-name{ font-size: 14px; font-weight: 500; }
.subcat-amount{ font-family: var(--font-mono); font-size: 14px; font-weight: 600; color: var(--ink-soft); }

/* RESPONSIVO — mobile mostra mês atual, ecrã largo mostra grelha anual completa */
.mobile-only{ display:block; }
.desktop-only{ display:none; }
@media (min-width: 760px){
  body{ max-width: 900px; }
  .mobile-only{ display:none; }
  .desktop-only{ display:block; }
  main{ padding: 8px 32px 0; }
  header{ padding: 24px 32px 8px; }
  .grid-wrap{ overflow-x: visible; }
  table.budget-grid{ width: 100%; table-layout: fixed; }
  table.budget-grid td.cat-name{ position: static; white-space: normal; vertical-align: middle; }
  table.budget-grid th.cat-name-head{ position: static; }
  table.budget-grid td.cat-name, table.budget-grid th.cat-name-head{ width: 190px; }
  table.budget-grid td, table.budget-grid th{ vertical-align: middle; }
}

/* GRELHA ANUAL DE ORÇAMENTO */
.year-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 18px;
  margin-top: 12px;
}
.year-nav button{
  width: 34px; height: 34px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor: pointer;
}
.year-nav button svg{ width: 16px; height: 16px; }
.year-label{
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  min-width: 50px;
  text-align: center;
}

.grid-wrap{
  overflow-x: auto;
  margin-top: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--card);
  -webkit-overflow-scrolling: touch;
}
table.budget-grid{
  border-collapse: collapse;
  font-size: 11px;
  width: 100%;
}
table.budget-grid th, table.budget-grid td{
  padding: 8px 6px;
  text-align: center;
  white-space: nowrap;
  border-bottom: 1px solid var(--line);
}
table.budget-grid th{
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  font-size: 10px;
  background: var(--paper-2);
}
table.budget-grid td.cat-name{
  position: sticky;
  left: 0;
  background: var(--card);
  text-align: left;
  font-weight: 500;
  font-size: 12.5px;
  padding-left: 14px;
  border-right: 1px solid var(--line);
  cursor: pointer;
}
table.budget-grid th.cat-name-head{
  position: sticky;
  left: 0;
  background: var(--paper-2);
  border-right: 1px solid var(--line);
  text-align: left;
  padding-left: 14px;
}
table.budget-grid td.cell{ cursor: pointer; font-family: var(--font-mono); }
table.budget-grid td.cell:hover{ background: var(--paper-2); }
table.budget-grid td.cell .g{ display:block; font-weight: 600; }
table.budget-grid td.cell .l{ display:block; color: var(--ink-faint); font-size: 9.5px; margin-top:1px; }
table.budget-grid td.cell.over .g{ color: var(--brick); }
table.budget-grid td.cell.warn .g{ color: var(--copper); }

.add-form{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  margin-top: 14px;
}
.add-form .field{ margin-top: 12px; }
.add-form .field:first-child{ margin-top: 0; }
.add-form .field label{ font-size: 12px; color: var(--ink-soft); display:block; margin-bottom: 5px; }
.add-form input{
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: 13.5px;
}
.color-swatches{ display:flex; gap: 8px; margin-top: 4px; }
.color-swatch{
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
}
.color-swatch.selected{ border-color: var(--ink); }
.add-form-actions{ display:flex; gap: 8px; margin-top: 14px; }
.btn-secondary{
  flex:1;
  padding: 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.btn-small-primary{
  flex:1;
  padding: 11px;
  border-radius: 999px;
  border: none;
  background: var(--current);
  color: white;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.toggle-add-btn{
  width: 100%;
  margin-top: 14px;
  padding: 12px;
  border-radius: 14px;
  border: 1px dashed var(--ink-faint);
  background: none;
  color: var(--ink-soft);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}

.cat-name-inner{ display:flex; align-items:center; flex-wrap:wrap; gap:6px; }

/* AÇÕES DE LINHA (editar / arquivar) */
.row-actions{ display:flex; gap: 6px; }
.icon-btn{
  width: 30px; height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor: pointer;
}
.icon-btn svg{ width: 14px; height: 14px; }
.icon-btn.danger{ color: var(--brick); }

.inline-edit-row{ display:none; align-items:center; gap: 8px; margin-top: 10px; }
.inline-edit-row.open{ display:flex; }
.inline-edit-row input{
  flex:1;
  padding: 9px 11px;
  border-radius: 9px;
  border: 1px solid var(--line);
  font-family: var(--font-body);
  font-size: 13px;
}

/* FORMULÁRIOS (login/registo) */
.auth-wrap{ padding: 60px 26px 26px; }
.field{ margin-top: 16px; }
.field label{ font-size: 12.5px; color: var(--ink-soft); display:block; margin-bottom: 6px; }
.field input{
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--ink);
}
.field input:focus{ outline: 2px solid var(--current); outline-offset: 1px; }
.btn-primary{
  width: 100%;
  margin-top: 22px;
  padding: 13px;
  border-radius: 999px;
  border: none;
  background: var(--current);
  color: white;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14.5px;
  cursor: pointer;
}
.btn-primary:disabled{ opacity: 0.6; cursor: default; }
.btn-link{
  display:block;
  text-align:center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--current);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
}
.auth-msg{
  margin-top: 14px;
  font-size: 12.5px;
  padding: 10px 12px;
  border-radius: 10px;
}
.auth-msg.error{ background: var(--brick-soft); color: var(--brick); }
.auth-msg.ok{ background: var(--moss-soft); color: var(--moss); }