/* ── Auth screens (login, register) ─────────────────────────────────────── */

.auth-root {
  min-height: calc(100svh - 68px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.auth-box {
  width: 100%;
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.auth-box.register {
  max-width: 65%;
}

@media (max-width: 768px) {
  .auth-box.register {
    max-width: 90%;
  }
}

.auth-heading {
  font-size: clamp(2.25rem, 7vw, 3.75rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--text-primary);
  margin: 0;
}

.auth-sub {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  margin: 0.5rem 0 0;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.auth-label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.auth-input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-size: 1rem;
  font-weight: 500;
  background: var(--bg-elevated);
  border: 2px solid var(--border);
  border-radius: 10px;
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.15s;
  box-sizing: border-box;
}
.auth-input:focus       { border-color: var(--primary); }
.auth-input::placeholder { color: var(--text-muted); }

.auth-btn {
  width: 100%;
  padding: 0.9rem 1.75rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: var(--primary);
  color: #fff;
  border: 2px solid var(--primary);
  border-radius: 10px;
  cursor: pointer;
  transition: filter 0.15s, transform 0.1s;
  margin-top: 0.25rem;
}
.auth-btn:hover  { filter: brightness(1.12); }
.auth-btn:active { transform: scale(0.97); }

.auth-error {
  font-size: 0.875rem;
  color: var(--danger, #e5534b);
  margin: 0;
}

.auth-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin: 0;
}

.auth-error-block {
  font-size: 0.9375rem;
  color: var(--danger, #e5534b);
}