/* =========================================
   AUTH PAGE
========================================= */

.auth-page {
  padding: 60px 0;
}

/* =========================================
   AUTH CONTAINER
========================================= */

.auth-container {
  max-width: 560px;
  margin: 0 auto;
  padding: 32px;

  border: 1px solid var(--color-border-soft);
  border-radius: 20px;

  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

/* =========================================
   LOGIN / REGISTER TABS
========================================= */

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;

  margin-bottom: 28px;
}

.tab-btn {
  width: 100%;
  padding: 12px 16px;

  border: 1px solid var(--color-border);
  border-radius: 12px;

  background: #ffffff;
  color: var(--color-primary);

  font: inherit;
  font-weight: 700;

  cursor: pointer;

  transition:
    background var(--transition),
    color var(--transition),
    border-color var(--transition);
}

.tab-btn:hover {
  border-color: var(--color-primary);
}

.tab-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
}

/* =========================================
   FORMS
========================================= */

.auth-form {
  display: none;
}

.auth-form.active {
  display: block;
}

/* =========================================
   LABELS
========================================= */

.auth-form label,
.role-group legend {
  display: block;

  margin-bottom: 8px;

  color: var(--color-primary);

  font-weight: 700;
}

/* =========================================
   INPUTS
========================================= */

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"] {
  display: block;

  width: 100%;
  box-sizing: border-box;

  margin: 0 0 18px;
  padding: 12px 14px;

  border: 1px solid var(--color-border);
  border-radius: 12px;

  background: #ffffff;
  color: var(--color-text);

  font: inherit;
}

.auth-form input[type="text"]:focus,
.auth-form input[type="email"]:focus,
.auth-form input[type="password"]:focus {
  outline: none;

  border-color: var(--color-primary);

  box-shadow: 0 0 0 3px rgba(30, 42, 120, 0.12);
}

/* =========================================
   BUYER / AUTHOR OPTIONS
========================================= */

.role-group {
  margin: 0 0 22px;
  padding: 0;

  border: none;
}

.role-group legend {
  margin-bottom: 12px;
}

.role-option {
  display: flex !important;
  align-items: center;
  gap: 10px;

  margin-bottom: 10px;

  color: var(--color-text) !important;

  font-weight: 500 !important;

  cursor: pointer;
}

.role-option input[type="radio"] {
  width: auto;
  margin: 0;

  accent-color: var(--color-primary);
}

/* =========================================
   FORM LINKS
========================================= */

.form-switch {
  margin: 18px 0 0;

  color: var(--color-text-soft);
}

.link-btn {
  padding: 0;

  border: none;

  background: transparent;
  color: var(--color-accent);

  font: inherit;
  font-weight: 700;

  cursor: pointer;
  text-decoration: none;
}

a.link-btn {
  display: inline-block;
}

.link-btn:hover {
  text-decoration: underline;
}

/* =========================================
   SUBMIT BUTTON
========================================= */

.auth-form .btn {
  margin-top: 4px;
}

/* =========================================
   SUCCESS / ERROR MESSAGES
========================================= */

.auth-success-message,
.form-message--success {
  margin-bottom: 20px;
  padding: 12px 14px;

  border-radius: 12px;

  background: #e8f7ed;
  color: #18794e;

  font-weight: 600;
}

.form-message--error {
  margin-bottom: 20px;
  padding: 12px 14px;

  border-radius: 12px;

  background: #fff0f0;
  color: #b42318;

  font-weight: 600;
}

/* =========================================
   MOBILE
========================================= */

@media (max-width: 640px) {
  .auth-page {
    padding: 40px 0;
  }

  .auth-container {
    padding: 20px;

    border-radius: 16px;
  }

  .auth-tabs {
    gap: 8px;
    margin-bottom: 24px;
  }

  .tab-btn {
    padding: 11px 12px;
  }
}