/* ============================================================
   Claude-Web · Cadastro / Renovação
   Mesma identidade da landing — paper warm + Instrument Serif italic.
   ============================================================ */

:root {
  --paper: #1c1b18;
  --paper-soft: #211f1c;
  --line: rgba(250, 249, 245, 0.08);
  --line-strong: rgba(250, 249, 245, 0.15);
  --cream: #faf9f5;
  --cream-warm: #ece7d8;
  --cream-soft: #d8d0bf;
  --muted: #8b857a;
  --muted-deep: #6a655c;
  --accent: #c96442;
  --accent-warm: #d77756;
  --accent-soft: rgba(201, 100, 66, 0.10);
  --accent-ring: rgba(215, 119, 86, 0.28);
  --danger: #e17460;

  --serif-display: "Instrument Serif", "Tiempos Headline", Georgia, serif;
  --serif-body: "Source Serif 4", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.32, 0.72, 0.32, 1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body {
  margin: 0; padding: 0;
  background: var(--paper);
  color: var(--cream);
  font-family: var(--serif-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  /* Reserva o slot do scrollbar mesmo sem scroll → evita "deslocar pra direita"
     quando a altura da página muda ao trocar tab Cadastro ↔ Renovação. */
  scrollbar-gutter: stable;
}
body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 14% 8%, rgba(215, 119, 86, 0.08), transparent 38%),
    radial-gradient(circle at 86% 86%, rgba(201, 100, 66, 0.04), transparent 42%),
    linear-gradient(180deg, #1d1c19 0%, #1a1916 50%, #161513 100%);
  overflow-x: hidden;
  display: grid;
  grid-template-rows: auto 1fr auto;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ============ HEADER ============ */
.cad-header {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px clamp(20px, 4vw, 56px);
  background: linear-gradient(180deg, rgba(28, 27, 24, 0.85) 0%, rgba(28, 27, 24, 0.55) 70%, transparent 100%);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.cad-brand {
  display: inline-flex; align-items: center; gap: 11px;
  font-family: var(--serif-display);
  font-size: 26px; line-height: 1; letter-spacing: -0.005em;
  color: var(--cream);
}
.cad-brand:hover { opacity: 0.78; }
.cad-brand-mark { width: 24px; height: 24px; color: var(--accent); }
.cad-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--sans); font-size: 13.5px; font-weight: 500;
  color: var(--cream-soft);
  padding: 9px 16px; border-radius: 999px;
  border: 1px solid var(--line-strong);
  transition: border-color 200ms ease, background 200ms ease, color 200ms ease;
}
.cad-back:hover { color: var(--cream); border-color: var(--cream); background: rgba(250, 249, 245, 0.04); }

/* ============ HERO ============ */
.cad-main {
  position: relative; z-index: 2;
  display: grid; place-items: center;
  padding: clamp(20px, 4vh, 40px) clamp(20px, 5vw, 60px);
}
.cad-hero {
  width: 100%; max-width: 520px;
  display: flex; flex-direction: column; gap: 18px;
  animation: cad-rise 720ms var(--ease-out);
}
@keyframes cad-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cad-headline {
  font-family: var(--serif-display);
  font-size: clamp(40px, 6vw, 60px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 400;
  color: var(--cream);
  margin: 0;
}
.cad-line { display: block; }
.cad-headline em { font-style: italic; }
.cad-subhead {
  font-size: 15.5px; line-height: 1.5;
  color: var(--cream-soft);
  font-family: var(--serif-body);
  margin: -8px 0 0;
  max-width: 460px;
}

/* ============ TABS ============ */
.cad-tabs {
  position: relative;
  display: inline-flex;
  gap: 0;
  background: rgba(250, 249, 245, 0.04);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px;
  width: fit-content;
}
.cad-tab {
  position: relative; z-index: 1;
  background: transparent; border: 0;
  padding: 7px 20px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13px; font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--muted);
  cursor: pointer;
  transition: color 220ms ease;
}
.cad-tab.active { color: var(--paper); }
.cad-tab-indicator {
  position: absolute; top: 4px; left: 4px;
  background: var(--cream);
  border-radius: 999px;
  height: calc(100% - 8px);
  width: calc(50% - 4px);
  transition: transform 320ms var(--ease-soft);
  z-index: 0;
  box-shadow: 0 1px 0 rgba(0,0,0,0.18), 0 6px 16px rgba(0,0,0,0.18);
}
.cad-tabs[data-active="renew"] .cad-tab-indicator { transform: translateX(100%); }

/* ============ FORMS ============ */
/* Animation `cad-rise` removida do .cad-form — disparava a cada toggle de tab
   causando "piscadinha de reload". Tab switch agora é instantâneo (sem reflow
   gritante porque os 2 forms têm tamanho similar e scrollbar-gutter está stable).
   A entrada inicial da página continua animada via .cad-hero. */
.cad-form {
  display: none;
  flex-direction: column; gap: 12px;
}
.cad-form-active { display: flex; }

.cad-renew-note {
  font-family: var(--serif-body);
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--cream-soft);
  background: rgba(250, 249, 245, 0.025);
  border-left: 2px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 10px 14px;
  margin: 0;
}
.cad-renew-note strong { font-style: normal; color: var(--cream); font-weight: 600; font-family: var(--sans); font-size: 13.5px; letter-spacing: -0.005em; }

.cad-field { display: grid; gap: 5px; }
.cad-field span {
  font-family: var(--sans);
  font-size: 12px; font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.005em;
}
.cad-field input {
  height: 42px; padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: rgba(250, 249, 245, 0.025);
  color: var(--cream);
  font-family: var(--sans);
  font-size: 14.5px;
  outline: none;
  transition: border-color 180ms ease, background 180ms ease, box-shadow 220ms ease;
}
.cad-field input::placeholder { color: var(--muted-deep); }
.cad-field input:hover { border-color: rgba(250, 249, 245, 0.24); }
.cad-field input:focus {
  border-color: var(--accent);
  background: rgba(201, 100, 66, 0.04);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.cad-field input:-webkit-autofill {
  -webkit-text-fill-color: var(--cream);
  caret-color: var(--cream);
  transition: background-color 9999s;
  box-shadow: 0 0 0 1000px var(--paper-soft) inset;
}

#signupCode, #renewCode {
  font-family: ui-monospace, "JetBrains Mono", "Cascadia Code", monospace;
  text-transform: uppercase;
  letter-spacing: 0.01em;
}

.cad-code-status {
  font-family: var(--serif-body);
  font-style: italic;
  font-size: 12.5px;
  color: var(--muted);
  min-height: 16px;
  padding-left: 4px;
}
.cad-code-status.is-valid { color: #7fdc8e; }
.cad-code-status.is-error { color: #ff8e8e; }

.cad-submit {
  position: relative;
  height: 46px;
  margin-top: 4px;
  background: var(--cream);
  color: var(--paper);
  border: 0; border-radius: 999px;
  font-family: var(--sans);
  font-size: 15px; font-weight: 600;
  letter-spacing: -0.005em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 200ms ease, transform 180ms var(--ease-soft), box-shadow 220ms ease;
  box-shadow: 0 1px 0 rgba(0,0,0,0.18), 0 12px 28px rgba(0,0,0,0.28);
}
.cad-submit:hover {
  background: #fff;
  transform: translateY(-1px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.18), 0 16px 36px rgba(215, 119, 86, 0.18);
}
.cad-submit:active { transform: translateY(0); }
.cad-submit-arrow { transition: transform 220ms var(--ease-soft); font-family: var(--serif-display); font-size: 18px; line-height: 1; }
.cad-submit:hover .cad-submit-arrow { transform: translateX(3px); }
.cad-submit-spin {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(28, 27, 24, 0.25);
  border-top-color: var(--paper);
  border-radius: 50%;
  animation: cad-spin 700ms linear infinite;
}
@keyframes cad-spin { to { transform: rotate(360deg); } }
.cad-submit.is-loading {
  pointer-events: none;
  background: var(--cream-warm);
}
.cad-submit.is-loading .cad-submit-label,
.cad-submit.is-loading .cad-submit-arrow { display: none; }
.cad-submit.is-loading .cad-submit-spin { display: inline-block; }

.cad-error {
  margin-top: 4px;
  background: rgba(255, 99, 71, 0.10);
  color: #f3a899;
  padding: 12px 14px;
  border-radius: 12px;
  font-family: var(--serif-body);
  font-style: italic;
  font-size: 13.5px;
  border: 1px solid rgba(255, 99, 71, 0.22);
}
.cad-error.hidden { display: none; }

/* ============ RENEW PREVIEW (2 opções) ============ */
.cad-renew-preview {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  animation: cad-rise 360ms var(--ease-out);
}
.cad-renew-preview.hidden { display: none; }
.cad-renew-current {
  font-family: var(--serif-body);
  font-style: italic;
  font-size: 14px;
  color: var(--cream-soft);
  padding: 12px 14px;
  background: rgba(250, 249, 245, 0.025);
  border-radius: 10px;
}
.cad-renew-current strong { font-style: normal; color: var(--cream); font-weight: 600; font-family: var(--sans); font-size: 13.5px; }

.cad-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 540px) {
  .cad-options { grid-template-columns: 1fr; }
}
.cad-option-card {
  background: rgba(250, 249, 245, 0.03);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 220ms ease, transform 220ms ease, background 220ms ease;
}
.cad-option-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-2px);
  background: rgba(250, 249, 245, 0.05);
}
.cad-option-tag {
  font-family: var(--sans);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-warm);
}
.cad-option-title {
  font-family: var(--serif-display);
  font-size: 22px; font-weight: 400;
  font-style: italic;
  letter-spacing: -0.005em;
  color: var(--cream);
  margin: 0;
}
.cad-option-detail {
  font-family: var(--serif-body);
  font-size: 14px; line-height: 1.5;
  color: var(--cream-soft);
  margin: 0;
}
.cad-option-detail strong { color: var(--cream); font-family: var(--sans); font-weight: 600; font-size: 14px; }
.cad-option-pick {
  margin-top: auto;
  height: 40px;
  background: transparent;
  color: var(--cream);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13.5px; font-weight: 600;
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease;
}
.cad-option-pick:hover {
  background: var(--cream);
  color: var(--paper);
  border-color: var(--cream);
}
.cad-option-card.cad-option-simplified {
  grid-column: 1 / -1;
}

/* ============ MODAL DE CONFIRMAÇÃO ============ */
.cad-modal {
  position: fixed; inset: 0;
  background: rgba(14, 13, 11, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: grid; place-items: center;
  z-index: 80;
  animation: cad-fade 200ms ease-out;
}
.cad-modal.hidden { display: none; }
@keyframes cad-fade { from { opacity: 0; } to { opacity: 1; } }

.cad-modal-card {
  width: min(520px, calc(100vw - 24px));
  background:
    radial-gradient(circle at 8% 6%, rgba(201, 100, 66, 0.08), transparent 32%),
    linear-gradient(180deg, var(--paper-soft) 0%, var(--paper) 100%);
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  padding: 0;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.55);
  animation: cad-pop 280ms var(--ease-soft);
}
@keyframes cad-pop {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.cad-modal-head {
  padding: 22px 24px 14px;
  border-bottom: 1px solid var(--line);
}
.cad-modal-head h2 {
  font-family: var(--serif-display);
  font-style: italic;
  font-size: 26px;
  font-weight: 400;
  letter-spacing: -0.012em;
  color: var(--cream);
  margin: 0;
}
.cad-modal-body { padding: 18px 24px; }
.cad-confirm-summary {
  font-family: var(--serif-body);
  font-size: 15.5px;
  line-height: 1.55;
  color: var(--cream-soft);
  background: rgba(201, 100, 66, 0.06);
  border: 1px solid rgba(201, 100, 66, 0.20);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 16px;
}
.cad-confirm-summary strong { color: var(--cream); font-family: var(--sans); font-weight: 600; font-size: 14px; }

.cad-policy h3 {
  font-family: var(--serif-display);
  font-size: 18px;
  font-style: italic;
  font-weight: 400;
  color: var(--cream);
  margin: 0 0 10px;
}
.cad-policy ul {
  margin: 0; padding-left: 20px;
  list-style: none;
}
.cad-policy li {
  font-family: var(--serif-body);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--cream-soft);
  margin-bottom: 8px;
  padding-left: 16px;
  position: relative;
}
.cad-policy li::before {
  content: "→";
  position: absolute;
  left: -4px; top: 0;
  color: var(--accent);
  font-family: var(--sans);
  font-weight: 600;
}
.cad-policy li strong { color: var(--cream); font-style: normal; font-weight: 600; font-family: var(--sans); font-size: 13.5px; }
.cad-policy a { color: var(--accent-warm); text-decoration: underline; text-underline-offset: 3px; }

.cad-policy-check {
  display: flex; align-items: flex-start; gap: 12px;
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(250, 249, 245, 0.025);
  border-radius: 10px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--cream-soft);
  line-height: 1.5;
  transition: background 180ms ease;
}
.cad-policy-check:hover { background: rgba(250, 249, 245, 0.04); }
.cad-policy-check input[type="checkbox"] {
  appearance: none; -webkit-appearance: none;
  width: 18px; height: 18px;
  border: 1.5px solid var(--line-strong);
  border-radius: 5px;
  background: rgba(250, 249, 245, 0.025);
  cursor: pointer;
  position: relative;
  flex-shrink: 0; margin-top: 1px;
  transition: border-color 180ms ease, background 180ms ease;
}
.cad-policy-check input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.cad-policy-check input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5px; top: 1px;
  width: 5px; height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.cad-modal-foot {
  display: flex; gap: 10px; justify-content: flex-end;
  padding: 14px 24px 22px;
  border-top: 1px solid var(--line);
}
.cad-btn-ghost {
  background: transparent;
  color: var(--cream-soft);
  border: 1px solid var(--line-strong);
  padding: 10px 22px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13.5px; font-weight: 500;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}
.cad-btn-ghost:hover { border-color: var(--cream); color: var(--cream); background: rgba(250, 249, 245, 0.04); }

.cad-btn-primary {
  background: var(--accent);
  color: #fff;
  border: 0;
  padding: 10px 22px;
  border-radius: 999px;
  font-family: var(--sans);
  font-size: 13.5px; font-weight: 600;
  cursor: pointer;
  transition: background 180ms ease, transform 160ms var(--ease-soft), box-shadow 200ms ease;
  box-shadow: 0 4px 14px rgba(201, 100, 66, 0.22);
}
.cad-btn-primary:hover:not(:disabled) {
  background: var(--accent-warm);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(215, 119, 86, 0.28);
}
.cad-btn-primary:disabled {
  opacity: 0.42;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ============ FOOTER ============ */
.cad-footer {
  border-top: 1px solid var(--line);
  padding: 16px clamp(20px, 5vw, 60px);
  background: rgba(28, 27, 24, 0.6);
}
.cad-footer-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 14px;
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--muted-deep);
}
.cad-footer-mark { color: var(--cream-soft); font-weight: 500; }
.cad-footer-links { display: inline-flex; gap: 22px; }
.cad-footer-links a { color: var(--muted); transition: color 200ms ease; }
.cad-footer-links a:hover { color: var(--cream); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}