:root {
  /* Backgrounds — clean SaaS azul */
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-hover: #f1f4f9;
  --surface-active: #e6ecf3;

  /* Borders */
  --border: #e2e8f0;
  --border-strong: #cbd5e1;

  /* Texto */
  --ink: #0f172a;
  --ink-muted: #475569;
  --ink-soft: #94a3b8;

  /* Acento — azul elétrico (ContaAzul-ish) */
  --accent: #0095e0;
  --accent-hover: #0077b6;
  --accent-soft: #e0f2fb;
  --accent-ink: #003a5c;

  /* Status — Tailwind 500 family */
  --good: #10b981;
  --good-soft: #d1fae5;
  --warn: #f59e0b;
  --warn-soft: #fef3c7;
  --bad: #ef4444;
  --bad-soft: #fee2e2;

  /* Sombras frias e sutis */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);

  /* Raios */
  --r-sm: 4px;
  --r-md: 6px;
  --r-lg: 10px;
}

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

[hidden] {
  display: none !important;
}

.version-tag {
  position: fixed;
  bottom: 8px;
  right: 12px;
  font-size: 10px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  color: var(--ink-soft);
  opacity: 0.5;
  pointer-events: none;
  user-select: none;
  letter-spacing: 0.3px;
  z-index: 1000;
}

body {
  font-family: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  min-height: 100vh;
  padding: 16px;
  color: var(--ink);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.value,
.valor,
.conta-name,
[class*="total"] {
  font-variant-numeric: tabular-nums;
}

/* ===== Tela de login ===== */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 40px);
}

.auth-card {
  background: var(--surface);
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 380px;
}

.auth-card h1 {
  font-size: 26px;
  text-align: center;
  margin-bottom: 4px;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--ink-muted);
  text-align: center;
  margin-bottom: 28px;
}

.auth-card input {
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  color: var(--ink);
  transition: border-color 0.15s, background 0.15s;
}

.auth-card input:focus {
  border-color: var(--accent);
  background: var(--surface);
}

.auth-card button[type="submit"] {
  width: 100%;
  padding: 12px;
  background: var(--accent);
  color: var(--surface);
  border: none;
  border-radius: var(--r-md);
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  letter-spacing: 0.02em;
  transition: background 0.15s;
}

.auth-card button[type="submit"]:hover {
  background: var(--accent-hover);
}

.auth-card button[type="submit"]:disabled {
  opacity: 0.5;
  cursor: wait;
}

.auth-toggle {
  text-align: center;
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 18px;
}

.auth-toggle a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.auth-toggle a:hover {
  text-decoration: underline;
}

.auth-msg {
  font-size: 13px;
  margin-top: 12px;
  min-height: 18px;
  text-align: center;
}

.auth-msg.erro {
  color: var(--bad);
}

.auth-msg.ok {
  color: var(--good);
}

.auth-msg.aguarde {
  color: var(--ink-soft);
}

/* ===== App layout (sidebar + main) ===== */
.app-layout {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--surface);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 32px);
}

.sidebar {
  background: var(--bg);
  padding: 14px 10px 12px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.sidebar-header {
  padding: 2px 12px 14px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.sidebar-header h1 {
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  background: none;
  border: none;
  padding: 8px 12px;
  border-radius: var(--r-md);
  text-align: left;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-muted);
  transition: background 0.2s;
  font-family: inherit;
}

.nav-item:hover {
  background: var(--surface-hover);
}

.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.sidebar-footer {
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.user-email-mini {
  font-size: 12px;
  color: var(--ink-muted);
  padding: 6px 8px;
  word-break: break-all;
  margin-bottom: 8px;
}

.btn-sair-sidebar {
  width: 100%;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-muted);
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s;
}

.btn-sair-sidebar:hover {
  background: var(--surface-hover);
}

.main-content {
  background: var(--surface);
  overflow-y: auto;
}

.section[hidden] {
  display: none;
}

.section-header {
  padding: 18px 24px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: block;
}

.section-header h2 {
  font-size: 20px;
  color: var(--ink);
  letter-spacing: -0.015em;
}

.section-subtitle {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== Conta switcher (sidebar) ===== */
.conta-switcher {
  position: relative;
  margin: 0 2px 10px;
}

.conta-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.conta-trigger:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}

.conta-trigger-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
  min-width: 0;
}

.conta-label {
  font-size: 10px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
}

.conta-name {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.conta-arrow {
  font-size: 12px;
  color: var(--ink-muted);
  transition: transform 0.2s;
  margin-left: 8px;
  flex-shrink: 0;
}

.conta-trigger.open .conta-arrow {
  transform: rotate(180deg);
}

.conta-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-md);
  z-index: 50;
  overflow: hidden;
}

.conta-menu-item {
  padding: 10px 14px;
  cursor: pointer;
  font-size: 14px;
  color: var(--ink-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.15s;
}

.conta-menu-item:hover {
  background: var(--surface-hover);
}

.conta-menu-item.atual {
  color: var(--accent);
  font-weight: 600;
  background: var(--accent-soft);
}

.conta-menu-item.atual::after {
  content: "✓";
}

.conta-menu-divider {
  height: 1px;
  background: var(--border);
}

.conta-menu-action {
  display: block;
  width: 100%;
  padding: 10px 14px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-size: 13px;
  color: var(--ink-muted);
  font-family: inherit;
  transition: background 0.15s;
}

.conta-menu-action:hover {
  background: var(--surface-hover);
}

/* ===== Hamburger (mobile) ===== */
.hamburger {
  display: none;
  position: fixed;
  top: 28px;
  left: 28px;
  z-index: 60;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 8px 12px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  font-family: inherit;
}

.sidebar-overlay {
  display: none;
}

/* ===== Filtro de mês ===== */
.filtro-mes {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.btn-mes {
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  width: 30px;
  height: 30px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-muted);
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: inherit;
}

.btn-mes:hover {
  background: var(--surface-active);
  border-color: var(--border-strong);
}

.mes-nome {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  text-transform: capitalize;
  flex: 1;
  text-align: center;
}

.mes-nome.todos {
  color: var(--accent);
}

.btn-todos {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--accent);
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  padding: 6px 10px;
  font-family: inherit;
  transition: all 0.2s;
  flex-shrink: 0;
}

.btn-todos:hover {
  background: var(--surface-active);
  border-color: var(--border-strong);
}

/* ===== Resumo (cards) ===== */
.summary,
.resumo-limites,
.resumo-dividas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 16px 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.card {
  background: var(--surface);
  border-radius: var(--r-md);
  padding: 14px;
  border: 1px solid var(--border);
  text-align: center;
}

.card .label {
  font-size: 10px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 4px;
  font-weight: 600;
}

.card .value {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.card.pendente .value { color: var(--accent); }
.card.pago .value { color: var(--good); }
.card.vencidas .value { color: var(--warn); }

.card.pendente { border-color: var(--accent-soft); }
.card.pago { border-color: var(--good-soft); }
.card.vencidas { border-color: var(--warn-soft); }

/* ===== Form (adicionar conta) ===== */
.form-row {
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 8px;
}

.form-fixa {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-muted);
  cursor: pointer;
  user-select: none;
  margin-top: -2px;
}

.form-fixa input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent);
}

.form-row input {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

.form-row input:focus {
  border-color: var(--accent);
}

.form-row button {
  padding: 9px 18px;
  background: var(--accent);
  color: #ffffff;
  border: none;
  border-radius: var(--r-md);
  font-weight: 600;
  cursor: pointer;
  font-size: 13px;
  transition: background 0.2s;
}

.form-row button:hover {
  background: var(--accent-hover);
}

/* ===== Lista de contas ===== */
.list {
  padding: 8px 24px 20px;
}

.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--ink-soft);
  font-size: 13px;
}

.empty .icon {
  font-size: 40px;
  margin-bottom: 10px;
  opacity: 0.7;
}

.item {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto auto auto;
  gap: 10px;
  align-items: center;
  padding: 9px 12px;
  border-radius: var(--r-md);
  margin: 4px 0;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  transition: all 0.15s;
}

.item:hover {
  background: var(--surface-active);
}

.item.pago {
  opacity: 0.7;
  background: var(--good-soft);
  border-color: var(--good-soft);
}

.item.pago .desc {
  text-decoration: line-through;
  color: var(--ink-muted);
}

.item.vencida:not(.pago) {
  border-left: 4px solid var(--bad);
}

.check {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-strong);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all 0.15s;
}

.check:hover {
  border-color: var(--accent);
}

.item.pago .check {
  background: var(--good);
  border-color: var(--good);
  color: var(--surface);
}

.check::after {
  content: "✓";
  font-size: 12px;
  font-weight: bold;
  opacity: 0;
}

.item.pago .check::after {
  opacity: 1;
}

.desc {
  font-size: 13px;
  font-weight: 500;
}

.vencimento {
  font-size: 12px;
  color: var(--ink-muted);
  white-space: nowrap;
}

.vencimento.atrasada {
  color: var(--bad);
  font-weight: 600;
}

.valor {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.btn-editar {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0.5;
  color: var(--ink-muted);
  transition: all 0.2s;
}

.btn-editar:hover {
  opacity: 1;
  background: var(--surface-active);
}

.pin {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 4px 8px;
  border-radius: 4px;
  opacity: 0.25;
  transition: all 0.2s;
  line-height: 1;
}

.pin:hover {
  opacity: 0.7;
  background: var(--surface-active);
}

.pin.ativa {
  opacity: 1;
  filter: none;
}

.pin:not(.ativa) {
  filter: grayscale(1);
}

.delete {
  background: none;
  border: none;
  color: var(--border-strong);
  cursor: pointer;
  font-size: 18px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s;
}

.delete:hover {
  color: var(--bad);
  background: var(--bad-soft);
}

/* ===== Modal de edição ===== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.modal {
  background: var(--surface);
  border-radius: var(--r-lg);
  padding: 22px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.modal h2 {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--ink);
}

.modal label {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--ink-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.modal label input[type="text"],
.modal label input[type="date"] {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  text-transform: none;
  letter-spacing: normal;
  color: var(--ink);
  font-weight: 400;
}

.modal label input:focus {
  border-color: var(--accent);
}

.modal-fixa {
  display: flex !important;
  align-items: center;
  gap: 8px;
  text-transform: none !important;
  letter-spacing: normal !important;
  font-weight: 500 !important;
  font-size: 13px !important;
  color: var(--ink-muted);
  cursor: pointer;
  user-select: none;
}

.modal-fixa input[type="checkbox"] {
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--accent);
}

.modal-buttons {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.modal-buttons button {
  flex: 1;
  padding: 12px;
  border-radius: var(--r-md);
  border: none;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  transition: background 0.2s;
}

.modal-buttons button[type="submit"] {
  background: var(--accent);
  color: var(--surface);
}

.modal-buttons button[type="submit"]:hover {
  background: var(--accent-hover);
}

.modal-buttons #btnCancelar {
  background: var(--border);
  color: var(--ink);
}

.modal-buttons #btnCancelar:hover {
  background: var(--border-strong);
}

/* ===== Limites ===== */
.cartoes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  padding: 16px 24px;
}

.cartao-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px;
  transition: all 0.15s;
}

.cartao-card:hover {
  box-shadow: var(--shadow-sm);
}

.cartao-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.cartao-card-header h3 {
  font-size: 14px;
  color: var(--ink);
  margin: 0;
}

.cartao-card-actions {
  display: flex;
  gap: 4px;
}

.cartao-disponivel-label {
  font-size: 11px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.cartao-disponivel {
  font-family: "Plus Jakarta Sans", "Inter", sans-serif;
  font-size: 24px;
  font-weight: 600;
  color: var(--good);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.cartao-detalhes {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--ink-muted);
  margin-bottom: 8px;
}

.progress-bar {
  height: 6px;
  background: var(--surface-active);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
}

.progress-fill.alto {
  background: var(--warn);
}

.progress-fill.critico {
  background: var(--bad);
}

.progress-label {
  font-size: 11px;
  color: var(--ink-muted);
  text-align: right;
}

/* ===== Dívidas ===== */
.dividas-list {
  padding: 8px 24px 20px;
}

.divida-item {
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px 14px;
  margin-bottom: 8px;
}

.divida-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.divida-header h3 {
  font-size: 14px;
  margin: 0;
  color: var(--ink);
}

.divida-actions {
  display: flex;
  gap: 4px;
}

.divida-progresso {
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 6px;
}

.divida-info {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 8px;
  margin-bottom: 8px;
}

.divida-info .divida-restante {
  color: var(--bad);
  font-weight: 600;
}

.divida-valor-total {
  font-weight: 700;
  color: var(--ink);
}

.btn-pagar-parcela {
  background: var(--accent);
  color: var(--surface);
  border: none;
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  transition: background 0.2s;
  margin-top: 4px;
}

.btn-pagar-parcela:hover {
  background: var(--accent-hover);
}

.btn-pagar-parcela:disabled {
  background: var(--border-strong);
  color: var(--ink-muted);
  cursor: not-allowed;
}

/* ===== Responsivo ===== */
@media (max-width: 768px) {
  body {
    padding: 0;
  }

  .app-layout {
    grid-template-columns: 1fr;
    max-width: 100%;
    border-radius: 0;
    min-height: 100vh;
    box-shadow: none;
  }

  .hamburger {
    display: block;
    top: 12px;
    left: 12px;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 260px;
    z-index: 70;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 65;
    display: block;
  }

  .sidebar-overlay[hidden] {
    display: none;
  }

  .section-header {
    padding: 18px 20px 12px 60px;
  }

  .section-header h2 {
    font-size: 18px;
  }

  .summary,
  .resumo-limites,
  .resumo-dividas {
    grid-template-columns: 1fr;
  }

  .cartoes-grid {
    grid-template-columns: 1fr;
    padding: 20px;
  }

  .form-row,
  .form-cartao,
  .form-divida {
    grid-template-columns: 1fr !important;
  }

  .item {
    grid-template-columns: auto 1fr auto;
    gap: 10px;
  }

  .item .vencimento,
  .item .delete,
  .item .pin,
  .item .btn-editar {
    grid-column: 2 / -1;
  }

  .dividas-list {
    padding: 10px 20px 20px;
  }
}

@media (hover: hover) {
  .nav-edit {
    opacity: 0;
  }

  .nav-entidade:hover .nav-edit {
    opacity: 0.5;
  }
}