:root {
  --paper: #fffdf8;
  --ivory: #f4efe5;
  --ink: #221c17;
  --muted: #5f5347;
  --line: #d8cbb7;
  --clay: #a94b25;
  --clay-dark: #8a3a1b;
  --green: #2f6b4f;
  --danger: #a33527;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ivory);
  color: var(--ink);
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  font-size: 18px;
  line-height: 1.65;
}

a {
  color: var(--clay-dark);
  text-underline-offset: 3px;
}

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

button,
select,
a,
label[for] {
  cursor: pointer;
}

:focus-visible {
  outline: 4px solid #8b5a20;
  outline-offset: 3px;
  border-radius: 6px;
}

.auth-shell {
  max-width: 560px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 26px;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--clay);
  color: #fff8ef;
  font-family: Georgia, serif;
  font-size: 30px;
}

.brand strong {
  display: block;
  font-family: Georgia, serif;
  font-size: 26px;
  line-height: 1.1;
}

.brand small {
  font-size: 15px;
  color: var(--muted);
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}

h1 {
  font-family: Georgia, serif;
  font-size: clamp(30px, 5vw, 38px);
  line-height: 1.1;
  margin: 0 0 6px;
}

.lede {
  color: var(--muted);
  margin: 0 0 22px;
  font-size: 17px;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 18px;
}

.field label {
  font-weight: 600;
  font-size: 17px;
}

.field .hint {
  color: var(--muted);
  font-size: 15px;
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='number'],
select,
textarea {
  width: 100%;
  min-height: 56px;
  border: 2px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 12px 14px;
  font-size: 18px;
}

textarea {
  min-height: 96px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--clay);
  outline: none;
  box-shadow: 0 0 0 4px rgba(169, 75, 37, 0.15);
}

.password-wrap {
  position: relative;
}

.password-wrap input {
  padding-right: 110px;
}

.show-password {
  position: absolute;
  right: 8px;
  top: 8px;
  min-height: 40px;
  border: 0;
  background: transparent;
  color: var(--clay-dark);
  font-size: 15px;
  font-weight: 600;
  padding: 0 10px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 58px;
  border: 2px solid transparent;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  padding: 10px 16px;
  cursor: pointer;
}

.btn-primary {
  background: var(--ink);
  color: #fff8ef;
}

.btn-primary:hover {
  background: var(--clay);
}

.btn-secondary {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-secondary:hover {
  border-color: var(--clay);
  background: #fffaf3;
}

.btn-google {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn-facebook {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.btn svg {
  width: 22px;
  height: 22px;
  flex: none;
}

.divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 15px;
  margin: 20px 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

.stack {
  display: grid;
  gap: 12px;
}

.alert {
  border: 2px solid #efc9c2;
  background: #fbeceb;
  color: var(--danger);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 16px;
  margin-bottom: 18px;
}

.alert.ok {
  border-color: #bcd8c7;
  background: #eaf4ee;
  color: var(--green);
}

.switch {
  margin-top: 20px;
  text-align: center;
  font-size: 17px;
  color: var(--muted);
}

.switch a {
  font-weight: 600;
}

.loading {
  color: var(--muted);
  font-size: 16px;
}

@media (max-width: 520px) {
  .card {
    padding: 22px 18px;
  }
  .auth-shell {
    padding: 20px 16px 40px;
  }
}