:root {
  --bg-top: #0a1a3f;
  --bg-bottom: #061027;
  --card: #0e2350;
  --card-border: #1e3f7a;
  --accent: #1f6bff;
  --accent-hover: #3a82ff;
  --text: #eaf1ff;
  --muted: #9fb3d8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  min-height: 100vh;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px;
  border-bottom: 1px solid var(--card-border);
}

.brand { font-size: 22px; font-weight: 700; letter-spacing: .5px; }
.brand span { color: var(--accent-hover); }

.topnav { display: flex; align-items: center; gap: 18px; font-size: 14px; }
.topnav a { color: var(--text); text-decoration: none; }
.topnav a:hover { color: var(--accent-hover); }
.topnav .who { color: var(--muted); }
.topnav .logout { color: var(--muted); }
.balance-pill {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 6px 14px;
  color: var(--muted);
}
.balance-pill strong { color: var(--text); }

.hero { padding: 48px 40px 8px; }
.hero h1 { font-size: 38px; margin: 0 0 12px; }
.hero p { color: var(--muted); max-width: 640px; line-height: 1.5; }

main { padding: 24px 40px 60px; }
.section-title { font-size: 20px; margin: 28px 0 16px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 18px;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card .credits { font-size: 28px; font-weight: 800; }
.card .credits small { font-size: 14px; font-weight: 500; color: var(--muted); }
.card .price { color: var(--muted); font-size: 15px; margin-bottom: 14px; }

.btn {
  margin-top: auto;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 16px;
  cursor: pointer;
  transition: background .15s ease;
}
.btn:hover { background: var(--accent-hover); }

.result {
  max-width: 520px;
  margin: 80px auto;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 40px;
}
.result h1 { margin-top: 0; }
.result a { color: var(--accent-hover); text-decoration: none; font-weight: 600; }
.result .icon { font-size: 48px; }

/* ----- Login ----- */
.auth-card {
  max-width: 380px;
  margin: 90px auto;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 36px;
}
.auth-card h1 { margin: 0 0 20px; font-size: 24px; }
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); }
.auth-form input {
  background: var(--bg-bottom);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 11px 13px;
  color: var(--text);
  font-size: 15px;
}
.auth-form .btn { margin-top: 6px; }
.alert {
  background: rgba(255, 80, 80, .12);
  border: 1px solid rgba(255, 80, 80, .4);
  color: #ffb3b3;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  margin-bottom: 16px;
}

.auth-card-wide { max-width: 460px; margin: 48px auto; }
.auth-form .hint { color: var(--muted); font-size: 12px; line-height: 1.4; }
.link-row { margin: 18px 0 0; text-align: center; font-size: 14px; color: var(--muted); }
.link-row a { color: var(--accent-hover); text-decoration: none; font-weight: 600; }

/* ----- Conta / extrato ----- */
.balance-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 20px 24px;
  margin: 16px 0 8px;
  width: max-content;
}
.balance-box span { color: var(--muted); font-size: 14px; }
.balance-box strong { font-size: 30px; }
.balance-box small { font-size: 14px; color: var(--muted); font-weight: 500; }

.ledger { width: 100%; border-collapse: collapse; font-size: 14px; }
.ledger th, .ledger td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--card-border); }
.ledger th { color: var(--muted); font-weight: 600; }
.ledger .num { text-align: right; font-variant-numeric: tabular-nums; }
.ledger .pos { color: #5fd28a; }
.ledger .neg { color: #ff9b9b; }
.ledger .ref { color: var(--muted); }
.tag { font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--card-border); }
.tag-purchase { background: rgba(95,210,138,.18); color: #8fe6b0; }
.tag-consumption { background: rgba(95,150,255,.18); color: #9cc0ff; }
.tag-refund { background: rgba(255,155,155,.18); color: #ffb3b3; }
.tag-adjustment { background: rgba(200,200,200,.15); color: #d4d4d4; }

/* ----- Quantidade / subtotal na vitrine ----- */
.qty-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 4px 0 10px; }
.qty-row label { color: var(--muted); font-size: 14px; line-height: 1.25; }
.qty-stepper {
  display: grid;
  grid-template-columns: 36px 46px 36px;
  align-items: stretch;
  flex: 0 0 auto;
  background: var(--bg-bottom);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.qty-stepper:focus-within {
  border-color: var(--accent-hover);
  box-shadow: 0 0 0 3px rgba(31,107,255,.16);
}
.qty {
  width: 46px;
  background: transparent;
  border: 0;
  border-left: 1px solid var(--card-border);
  border-right: 1px solid var(--card-border);
  border-radius: 0;
  padding: 9px 4px;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  appearance: textfield;
  -moz-appearance: textfield;
}
.qty::-webkit-inner-spin-button,
.qty::-webkit-outer-spin-button { appearance: none; margin: 0; }
.qty:focus { outline: none; }
.qty-button {
  border: 0;
  background: rgba(31,107,255,.08);
  color: var(--accent-hover);
  font-size: 21px;
  line-height: 1;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.qty-button:hover:not(:disabled) { background: rgba(31,107,255,.22); color: #fff; }
.qty-button:focus-visible { outline: 2px solid var(--accent-hover); outline-offset: -2px; }
.qty-button:disabled { color: #53688f; cursor: not-allowed; }
.subtotal { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.subtotal strong { color: var(--text); }

/* ----- Validação de campo ----- */
.field-error { color: #ff9b9b; font-size: 13px; min-height: 1em; }
.auth-form input.invalid { border-color: rgba(255,80,80,.6); }

/* ----- Botões da navegação ----- */
.nav-btn {
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 7px 14px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  transition: background .15s, border-color .15s;
}
.nav-btn:hover { border-color: var(--accent); background: rgba(31,107,255,.12); }
.nav-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

@media (max-width: 700px) {
  header { align-items: flex-start; gap: 18px; padding: 18px 20px; }
  .topnav { justify-content: flex-end; flex-wrap: wrap; gap: 10px; }
  .topnav .who { width: 100%; text-align: right; order: -1; }
  .balance-pill { width: 100%; text-align: center; }
  .hero { padding: 36px 20px 8px; }
  main { padding: 20px 20px 48px; }
}

@media (max-width: 460px) {
  header { flex-direction: column; }
  .topnav { justify-content: flex-start; }
  .topnav .who { text-align: left; }
  .qty-row { align-items: flex-start; flex-direction: column; gap: 8px; }
  .qty-stepper { width: 100%; grid-template-columns: 1fr 52px 1fr; }
  .qty { width: 52px; }
}

/* ----- Página de dados (somente leitura) ----- */
.muted { color: var(--muted); }
.data-card {
  width: min(100%, 620px);
  margin-top: 16px;
  padding: 8px 24px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
}
.data-row {
  display: grid;
  grid-template-columns: 166px minmax(0, max-content) minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  min-height: 50px;
  padding: 10px 0;
  border-bottom: 1px solid var(--card-border);
}
.data-row:last-child { border-bottom: 0; }
.data-row > span:first-child { color: var(--muted); font-size: 14px; }
.data-row strong { overflow-wrap: anywhere; }
.data-row .hint {
  min-width: 0;
  color: var(--text);
  font-size: 12px;
  overflow-wrap: anywhere;
}
.profile { max-width: 820px; margin-top: 8px; }
.profile-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 6px;
}
.profile-head h1 { margin: 0 0 4px; }
.badge { font-size: 13px; font-weight: 600; padding: 7px 14px; border-radius: 999px; white-space: nowrap; }
.badge.ok { background: rgba(95,210,138,.18); color: #8fe6b0; }
.badge.pending { background: rgba(255,155,155,.18); color: #ffb3b3; }

.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
  margin-top: 20px;
}
.field {
  display: flex; flex-direction: column; gap: 5px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 16px;
}
.field .k { color: var(--muted); font-size: 13px; }
.field .v { font-size: 16px; font-weight: 600; word-break: break-word; }

@media (max-width: 560px) {
  .data-card { padding: 6px 18px; }
  .data-row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 0;
  }
  .data-row .hint { margin-top: 1px; }
}