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

/* Page-level centering */
.auth-page {
  min-height: calc(100vh - 80px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
}

/* Constrain auth content width */
.auth-center {
  width: 100%;
  max-width: 520px;
}

/* Page header above card */
.page-center {
  text-align: center;
  margin-bottom: 2rem;
}

.page-center h1 {
  margin-bottom: 0.35rem;
}

.subhead {
  font-size: 1rem;
  color: var(--muted);
}

/* ===============================
   AUTH CARD
   =============================== */

.auth-wrap {
  width: 100%;
  padding: 2.25rem;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}

/* ===============================
   TABS
   =============================== */

.auth-tabs {
  display: flex;
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
}

.auth-tab {
  flex: 1;
  padding: 0.9rem;
  background: none;
  border: none;
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  font-size: 0.95rem;
}

.auth-tab.is-active {
  color: var(--text);
  border-bottom: 2px solid var(--text);
}

/* ===============================
   PANELS
   =============================== */

.auth-panel {
  display: none;
}

.auth-panel.is-active {
  display: block;
}

/* ===============================
   FIELDS
   =============================== */

.field {
  display: block;
  margin-bottom: 1.25rem;
}

.label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.auth-input {
  width: 100%;
  padding: 0.85rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font-size: 0.95rem;
}

/* ===============================
   PRIMARY ACTION BUTTON
   =============================== */

.btn {
  width: 100%;
  margin-top: 1.75rem;
  padding: 0.9rem;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.18),
    rgba(255, 255, 255, 0.08)
  );
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.btn:hover {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.28),
    rgba(255, 255, 255, 0.12)
  );
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}