/* =========================================================
   Livro de Contas — design tokens
   Tema: clean & claro, fundo branco, acento azul/roxo (indigo).
   ========================================================= */
:root {
  --bg: #F5F6FB;
  --surface: #FFFFFF;
  --surface-alt: #F8F8FC;
  --ink: #1E1B2E;
  --ink-soft: #6B7280;
  --ink-faint: #9CA3AF;
  --line: #E7E7F0;

  --primary: #6D5DF6;
  --primary-dark: #5646E0;
  --primary-soft: #EEEBFF;
  --primary-softer: #F5F3FF;

  --paid: #16A34A;
  --paid-bg: #ECFDF3;
  --pending: #6D5DF6;
  --pending-bg: #F1EEFE;
  --overdue: #DC2626;
  --overdue-bg: #FEF2F2;
  --soon: #D97706;
  --soon-bg: #FFFBEB;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-card: 0 1px 2px rgba(30, 27, 46, 0.04), 0 6px 20px -10px rgba(30, 27, 46, 0.10);
  --shadow-pop: 0 24px 60px -20px rgba(30, 27, 46, 0.35);

  --font-display: 'Poppins', ui-rounded, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', 'JetBrains Mono', Consolas, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; }
input, select, textarea { font-family: inherit; }

.app-shell {
  max-width: 960px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ---------- Cabeçalho ---------- */
.cover-header {
  padding: 22px 18px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(155deg, #8B7CF8, var(--primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  flex-shrink: 0;
  box-shadow: 0 6px 16px -4px rgba(109, 93, 246, 0.5);
}

.brand-text h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  margin: 0;
  color: var(--ink);
  letter-spacing: -0.2px;
}

.brand-text p {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* Seletor de mês */
.month-tab {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 6px 6px 6px 16px;
}

.month-tab .month-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 16px;
  text-transform: capitalize;
  color: var(--ink);
}

.month-tab .month-nav {
  display: flex;
  gap: 4px;
}

.month-nav button {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: none;
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease, color 0.15s ease;
  box-shadow: 0 1px 2px rgba(30,27,46,0.06);
}
.month-nav button:hover { background: var(--primary-soft); color: var(--primary-dark); }
.month-nav button:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

.month-nav .today-btn {
  width: auto;
  padding: 0 12px;
  font-size: 12.5px;
  white-space: nowrap;
  font-weight: 600;
}

/* ---------- Corpo ---------- */
.pages {
  flex: 1;
  padding: 20px 16px 100px;
}

@media (min-width: 620px) {
  .pages { padding: 26px 28px 100px; }
}

/* ---------- Cards de resumo ---------- */
.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 20px;
}

.summary-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 18px 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
  background: var(--surface);
}

.summary-card.is-paid { background: var(--paid-bg); border-color: #D3F3E0; }
.summary-card.is-pending { background: var(--pending-bg); border-color: #E1DBFC; }

.summary-card .stamp {
  position: absolute;
  top: 12px;
  right: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 10.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255,255,255,0.7);
}

.summary-card.is-paid .stamp { color: var(--paid); }
.summary-card.is-pending .stamp { color: var(--pending); }

.summary-card .label {
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.summary-card.is-paid .label { color: var(--paid); }
.summary-card.is-pending .label { color: var(--pending); }

.summary-card .value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.15;
}

@media (min-width: 420px) {
  .summary-card .value { font-size: 27px; }
}

.summary-card .count {
  margin-top: 6px;
  font-size: 12px;
  color: var(--ink-soft);
}

/* ---------- Alertas ---------- */
.alert-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.alert-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: 999px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform 0.1s ease;
}
.alert-chip:active { transform: scale(0.97); }
.alert-chip.overdue { background: var(--overdue-bg); color: var(--overdue); }
.alert-chip.soon { background: var(--soon-bg); color: var(--soon); }

/* ---------- Toolbar / filtros ---------- */
.toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar input[type="search"] {
  flex: 1;
  min-width: 140px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 14px;
  color: var(--ink);
}
.toolbar input[type="search"]:focus-visible,
.toolbar select:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }

.toolbar select {
  padding: 11px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 13.5px;
  color: var(--ink);
}

.btn-icon {
  width: 42px;
  flex-shrink: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 16px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.btn-icon:hover { background: var(--primary-soft); color: var(--primary-dark); }
.btn-icon:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }

/* ---------- Lista de contas ---------- */
.entries {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.entry {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ink-faint);
  border-radius: var(--radius-md);
  padding: 13px 12px;
  cursor: pointer;
  transition: box-shadow 0.15s ease, transform 0.1s ease;
}
.entry:hover { box-shadow: var(--shadow-card); }
.entry:active { transform: scale(0.995); }

.entry.status-pendente { border-left-color: var(--pending); }
.entry.status-pago { border-left-color: var(--paid); opacity: 0.72; }
.entry.status-vencido { border-left-color: var(--overdue); }
.entry.status-vence-em-breve { border-left-color: var(--soon); }

.entry-toggle {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--line);
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: transparent;
  font-size: 14px;
}
.entry.status-pago .entry-toggle {
  background: var(--paid);
  border-color: var(--paid);
  color: #fff;
}

.entry-main { flex: 1; min-width: 0; }

.entry-desc {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.entry.status-pago .entry-desc { text-decoration: line-through; color: var(--ink-soft); }

.entry-meta {
  margin-top: 3px;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-soft);
  flex-wrap: wrap;
}

.tag-category {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--surface-alt);
  padding: 2px 9px 2px 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-soft);
}
.tag-category .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tag-due {
  font-weight: 600;
}
.tag-due.overdue { color: var(--overdue); }
.tag-due.soon { color: var(--soon); }

.entry-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  flex-shrink: 0;
  text-align: right;
}

.empty-state {
  text-align: center;
  padding: 50px 16px;
  color: var(--ink-soft);
}
.empty-state .icon { font-size: 34px; margin-bottom: 10px; }
.empty-state p { margin: 4px 0; font-size: 14px; }
.empty-state .btn-primary { margin-top: 16px; }

/* ---------- Botão flutuante ---------- */
.fab {
  position: fixed;
  right: 20px;
  bottom: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(155deg, #8B7CF8, var(--primary));
  color: #fff;
  font-size: 28px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 28px -6px rgba(109, 93, 246, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 40;
  transition: transform 0.15s ease;
}
.fab:hover { transform: translateY(-2px) scale(1.03); }
.fab:focus-visible { outline: 2px solid var(--primary-dark); outline-offset: 3px; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(30, 27, 46, 0.45);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.modal-backdrop.open { opacity: 1; pointer-events: auto; }

@media (min-width: 620px) {
  .modal-backdrop { align-items: center; }
}

.modal-card {
  background: var(--surface);
  width: 100%;
  max-width: 480px;
  border-radius: 22px 22px 0 0;
  padding: 22px 20px 26px;
  max-height: 92vh;
  overflow-y: auto;
  transform: translateY(24px);
  transition: transform 0.2s ease;
  box-shadow: var(--shadow-pop);
}
.modal-backdrop.open .modal-card { transform: translateY(0); }

@media (min-width: 620px) {
  .modal-card { border-radius: var(--radius-lg); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.modal-header h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  margin: 0;
  color: var(--ink);
}
.modal-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: var(--surface-alt);
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 16px;
}

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 14.5px;
  color: var(--ink);
}
.field textarea { resize: vertical; min-height: 60px; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.status-toggle {
  display: flex;
  gap: 8px;
}
.status-toggle button {
  flex: 1;
  padding: 11px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--line);
  background: var(--surface);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  color: var(--ink-soft);
}
.status-toggle button.active[data-status="pendente"] {
  border-color: var(--pending);
  background: var(--pending-bg);
  color: var(--pending);
}
.status-toggle button.active[data-status="pago"] {
  border-color: var(--paid);
  background: var(--paid-bg);
  color: var(--paid);
}

.modal-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.btn-primary {
  flex: 1;
  padding: 13px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
  transition: background 0.15s ease;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-primary.btn-compact { flex: none; padding: 11px 16px; font-size: 13.5px; }

.btn-danger {
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--overdue-bg);
  background: var(--overdue-bg);
  color: var(--overdue);
  font-weight: 700;
  font-size: 14.5px;
  cursor: pointer;
}

.form-error {
  background: var(--overdue-bg);
  color: var(--overdue);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 13px;
  margin-bottom: 14px;
  display: none;
}
.form-error.show { display: block; }

/* ---------- Gerenciador de categorias ---------- */
.category-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 320px;
  overflow-y: auto;
  margin-bottom: 16px;
}

.category-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 8px 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-alt);
}

.category-row .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: none;
  padding: 0;
  cursor: pointer;
}

.category-row input[type="text"] {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--ink);
  padding: 6px 4px;
  border-radius: 6px;
}
.category-row input[type="text"]:focus-visible {
  outline: 2px solid var(--primary);
  background: var(--surface);
}

.category-row .usage {
  font-size: 11px;
  color: var(--ink-faint);
  flex-shrink: 0;
  white-space: nowrap;
}

.category-row .btn-delete {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border: none;
  background: transparent;
  color: var(--ink-faint);
  cursor: pointer;
  border-radius: 8px;
  font-size: 14px;
  transition: background 0.15s ease, color 0.15s ease;
}
.category-row .btn-delete:hover { background: var(--overdue-bg); color: var(--overdue); }

.category-row input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 50%;
  padding: 0;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}
.category-row input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
.category-row input[type="color"]::-webkit-color-swatch { border: none; border-radius: 50%; }

.new-category-form {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.new-category-form input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  padding: 0;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}
.new-category-form input[type="color"]::-webkit-color-swatch-wrapper { padding: 2px; }
.new-category-form input[type="color"]::-webkit-color-swatch { border: none; border-radius: 50%; }

.new-category-form input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-size: 14px;
  color: var(--ink);
}
.new-category-form input[type="text"]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 1px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 96px;
  transform: translate(-50%, 12px);
  background: var(--ink);
  color: #fff;
  padding: 11px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 600;
  box-shadow: var(--shadow-pop);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: all 0.2s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

.offline-banner {
  display: none;
  background: var(--soon-bg);
  color: var(--soon);
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
  padding: 8px;
}
.offline-banner.show { display: block; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}