:root {
  --primary: #8058FC;
  --navy: #170552;
  --accent: #95FBFF;
  --bg: #F0F0F1;
  --surface: #FFFFFF;
  --border: #D8D5E2;
  --muted: #655E7B;
  --danger: #A61B1B;
  --success: #176B3A;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--navy);
  background:
    radial-gradient(circle at top right, rgba(149, 251, 255, .35), transparent 34%),
    var(--bg);
}

.card {
  width: min(100%, 620px);
  padding: 42px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 18px 50px rgba(23, 5, 82, .10);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(2rem, 4vw, 2.65rem);
  line-height: 1.08;
}

h2 {
  margin: 26px 0 12px;
  font-size: 1.35rem;
}

.subtitle {
  margin: 0 0 28px;
  color: #554E70;
  font-size: 1.08rem;
  line-height: 1.5;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 26px;
  padding: 6px;
  border-radius: 14px;
  background: #F4F2FA;
}

.tab {
  min-height: 48px;
  border: 0;
  border-radius: 10px;
  padding: 12px 10px;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  color: var(--navy);
  background: transparent;
}

.tab.active {
  color: #fff;
  background: var(--primary);
}

form { display: grid; gap: 18px; }

label {
  display: grid;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
}

input,
select {
  width: 100%;
  min-height: 52px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 13px 15px;
  font: inherit;
  font-size: 16px;
  color: var(--navy);
  background: #fff;
  -webkit-appearance: none;
  appearance: none;
}

input:focus,
select:focus {
  outline: 4px solid rgba(128, 88, 252, .16);
  border-color: var(--primary);
}

.password-wrap { position: relative; display: block; }
.password-wrap input { padding-right: 96px; }

.toggle-password {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  border: 0;
  padding: 9px 10px;
  cursor: pointer;
  font: inherit;
  font-size: .88rem;
  font-weight: 700;
  color: var(--primary);
  background: transparent;
}

button.primary,
button[type="submit"] {
  min-height: 52px;
  border: 0;
  border-radius: 12px;
  padding: 14px 18px;
  cursor: pointer;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
}

button[disabled] { opacity: .65; cursor: wait; }

.link-button {
  border: 0;
  padding: 0;
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  text-decoration: underline;
  color: var(--primary);
  background: transparent;
}

.forgot-row { margin-top: -5px; text-align: right; }
.back-row { margin-top: 5px; text-align: center; }

.message {
  display: none;
  margin: 18px 0 0;
  padding: 14px 16px;
  border-radius: 12px;
  font-size: 1rem;
  line-height: 1.45;
}

.message.error {
  display: block;
  color: var(--danger);
  border: 1px solid #F2C4C4;
  background: #FFF1F1;
}

.message.success {
  display: block;
  color: var(--success);
  border: 1px solid #BDE3CA;
  background: #EFFAF3;
}

.note {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.5;
}

.hidden { display: none !important; }

.secret {
  padding: 16px;
  border: 1px dashed var(--primary);
  border-radius: 12px;
  background: #F7F5FF;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
  text-align: center;
  user-select: all;
}

.codes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
  padding: 16px;
  border-radius: 12px;
  background: #F7F5FF;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.back {
  display: inline-block;
  margin-top: 20px;
  font-weight: 700;
  color: var(--primary);
}

.security-box {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #FAFAFC;
  line-height: 1.5;
}

.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.actions button, .actions a { flex: 1; text-align: center; }
.small { font-size: .9rem; }

@media (max-width: 680px) {
  body {
    place-items: start center;
    padding: max(18px, env(safe-area-inset-top)) 14px max(24px, env(safe-area-inset-bottom));
  }

  .card {
    width: 100%;
    padding: 24px 20px;
    border-radius: 18px;
  }

  h1 { font-size: 2rem; }
  .subtitle { font-size: 1rem; margin-bottom: 22px; }
  .tabs { margin-bottom: 22px; }
  .codes { grid-template-columns: 1fr; }
}

@media (max-width: 390px) {
  body { padding-left: 10px; padding-right: 10px; }
  .card { padding: 22px 16px; }
  .tab { font-size: .92rem; }
}

/* C-015.18 — escala visual consistente */
@media (min-width: 900px) {
  html { font-size: 18px; }
  .card { width: min(100%, 720px); padding: 48px; }
  h1 { font-size: 3rem; }
  .subtitle { font-size: 1.15rem; }
}

/* C-015.19 — telas de acesso maiores em computadores */
@media (min-width: 960px) {
  html { font-size: 19px; }
  body { padding: 38px 24px; }
  .card { width: min(100%, 760px); padding: 52px; }
  h1 { font-size: 3.15rem; }
  input, select, button.primary, button[type="submit"] { min-height: 58px; }
}