.rio-auth-card {
  max-width: 720px;
  margin: 0 auto;
  padding: 34px;
}

.rio-auth-card-sm {
  max-width: 640px;
}

.rio-access-card {
  max-width: 700px;
  padding: 38px 40px;
}

.rio-choice-card {
  max-width: 760px;
  padding: 52px 48px 46px;
  border-radius: 30px;
}

.rio-choice-center {
  text-align: center;
}

.rio-choice-brand {
  margin: 0;
  font-size: clamp(2.4rem, 4.8vw, 3.4rem);
  letter-spacing: -0.03em;
  line-height: 1;
}

.rio-choice-subtitle {
  margin: 18px auto 0;
  max-width: 30ch;
  font-size: clamp(1.25rem, 2.1vw, 1.95rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--text);
}

.rio-choice-actions {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.rio-choice-btn {
  width: 100%;
  min-height: 58px;
  border-radius: 22px;
  font-size: clamp(1.15rem, 1.65vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.rio-choice-login {
  margin-top: 22px;
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  color: var(--text);
}

.rio-choice-login a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.rio-choice-login a:hover {
  text-decoration: underline;
}

.rio-auth-card-lg {
  max-width: 980px;
}

.rio-auth-center {
  text-align: center;
}

.rio-auth-title {
  margin: 0;
  font-size: clamp(2rem, 3.6vw, 2.6rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.rio-auth-subtitle {
  margin: 10px 0 0;
  opacity: 0.82;
  font-size: 1.05rem;
}

.rio-access-card .rio-auth-title {
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.08;
}

.rio-access-card .rio-auth-subtitle {
  margin-top: 12px;
  max-width: 52ch;
}

.rio-form {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.rio-field {
  display: grid;
  gap: 10px;
}

.rio-label {
  font-weight: 650;
  letter-spacing: -0.01em;
}

.rio-hint {
  margin: 0;
  opacity: 0.78;
  font-size: 0.95rem;
}

.rio-form input[type="text"],
.rio-form input[type="email"],
.rio-form input[type="password"],
.rio-form input[type="tel"],
.rio-form input[type="url"],
.rio-form textarea,
.rio-form select {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  min-height: 48px;
  box-sizing: border-box;
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid var(--fieldBorder) !important;
  background: var(--fieldBg) !important;
  box-shadow: var(--fieldShadow);
  color: inherit;
  font-size: 15px;
  line-height: 1.2;
  font-family: inherit;
  outline: none;
}

.rio-form input[type="text"]:disabled,
.rio-form input[type="email"]:disabled,
.rio-form input[type="password"]:disabled,
.rio-form input[type="tel"]:disabled,
.rio-form input[type="url"]:disabled,
.rio-form textarea:disabled,
.rio-form select:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.rio-form input::placeholder {
  opacity: 0.55;
}

.rio-form input:-webkit-autofill,
.rio-form input:-webkit-autofill:hover,
.rio-form input:-webkit-autofill:focus {
  -webkit-text-fill-color: inherit;
  -webkit-box-shadow: 0 0 0 1000px var(--fieldBg) inset;
  transition: background-color 9999s ease-in-out 0s;
}

.rio-form input:focus,
.rio-form textarea:focus,
.rio-form select:focus {
  border-color: rgba(var(--accentRgb), 0.55);
  box-shadow: var(--fieldShadow), 0 0 0 4px var(--accentSoft);
}

.rio-errors ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rio-errors li {
  margin: 0;
}

.rio-actions {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.rio-actions-inline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.rio-actions-center {
  justify-content: center;
}

.rio-stack {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.rio-access-actions {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.rio-access-actions .btn {
  width: 100%;
  justify-content: center;
}

.rio-access-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 4px;
}

.rio-access-row .btn {
  min-height: 42px;
}

.rio-access-note {
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.rio-access-switch {
  margin-top: 18px;
  font-size: 14px;
  color: var(--muted);
}

.rio-grid-two {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  margin-top: 18px;
}

.rio-block-card {
  padding: 18px;
}

.rio-section-title {
  margin: 0 0 8px 0;
}

.rio-section-subtitle {
  margin: 0 0 14px 0;
}

.rio-mt-18 {
  margin-top: 18px;
}

.rio-mb-14 {
  margin-bottom: 14px;
}

.rio-actions .btn,
.rio-actions button.btn {
  width: 100%;
  justify-content: center;
  padding: 14px 16px;
  border-radius: 16px;
  white-space: normal;
  text-align: center;
}

.rio-actions .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  cursor: pointer;
}

.rio-actions button.btn {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid transparent;
}

.rio-actions .btn.btn-primary,
.rio-actions button.btn.btn-primary {
  background: var(--primary) !important;
  border-color: var(--primary) !important;
  color: #fff !important;
}

.rio-actions .btn.btn-primary:hover,
.rio-actions button.btn.btn-primary:hover {
  background: var(--primaryHover) !important;
  border-color: var(--primaryHover) !important;
}

.rio-actions .btn.btn-secondary,
.rio-actions button.btn.btn-secondary {
  background: transparent;
}

.rio-errors {
  margin: 0;
  opacity: 0.9;
}

@media (prefers-color-scheme: dark) {
  .rio-form input[type="text"],
  .rio-form input[type="email"],
  .rio-form input[type="password"],
  .rio-form input[type="tel"],
  .rio-form input[type="url"],
  .rio-form textarea,
  .rio-form select {
    border: 1px solid var(--fieldBorder) !important;
    background: var(--fieldBg) !important;
  }
}

@media (max-width: 560px) {
  .rio-auth-card {
    padding: 22px;
  }

  .rio-access-card {
    padding: 24px 22px;
  }

  .rio-form {
    gap: 16px;
  }

  .rio-access-row {
    gap: 10px;
  }

  .rio-choice-card {
    padding: 34px 22px 30px;
    border-radius: 24px;
  }

  .rio-choice-subtitle {
    margin-top: 16px;
    max-width: 26ch;
    font-size: clamp(1.2rem, 5.4vw, 1.55rem);
  }

  .rio-choice-actions {
    margin-top: 26px;
    gap: 12px;
  }

  .rio-choice-btn {
    min-height: 56px;
    border-radius: 20px;
    font-size: 1.25rem;
  }

  .rio-choice-login {
    margin-top: 22px;
    font-size: 1.02rem;
  }
}