/* ─── Auth Pages ─── */

.mtl-auth {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.mtl-auth__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1.8rem;
  text-decoration: none;
}

.mtl-auth__logo > span:last-child {
  background: linear-gradient(to right, #6172f1, #5563d8, #18b8ac);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mtl-auth__logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(to bottom right, #6172f1, #5563d8, #18b8ac);
  color: #fff;
  box-shadow: 0 8px 24px rgba(97, 114, 241, 0.35);
}

/* ─── Card ─── */

.mtl-auth-card {
  width: 100%;
  max-width: 440px;
  background: #fff;
  border-radius: 28px;
  padding: 2.8rem 2.5rem;
  border: 1px solid rgba(15, 23, 42, 0.06);
  box-shadow: var(--mtl-shadow-soft);
  position: relative;
  z-index: 1;
}

.mtl-auth-card--wide {
  max-width: 500px;
}

.mtl-auth-card__title {
  font-family: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--mtl-ink);
  margin: 0 0 0.4rem;
}

.mtl-auth-card__sub {
  font-size: 0.95rem;
  color: var(--mtl-ink-muted);
  margin: 0 0 2rem;
}

/* ─── Form ─── */

.mtl-auth-form__group {
  margin-bottom: 1.25rem;
}

.mtl-auth-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.mtl-auth-form__label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--mtl-ink);
  margin-bottom: 0.45rem;
}

.mtl-auth-form__input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(15, 23, 42, 0.12);
  background: var(--mtl-surface-soft);
  font-family: "Plus Jakarta Sans", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
  color: var(--mtl-ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

.mtl-auth-form__input:focus {
  border-color: #6172f1;
  box-shadow: 0 0 0 3px rgba(97, 114, 241, 0.12);
}

.mtl-auth-form__input::placeholder {
  color: rgba(71, 85, 105, 0.5);
}

.mtl-auth-form__hint {
  font-size: 0.8rem;
  color: var(--mtl-ink-muted);
  margin-top: 0.35rem;
}

.mtl-auth-form__extras {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-size: 0.88rem;
}

.mtl-auth-form__check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  color: var(--mtl-ink-muted);
}

.mtl-auth-form__check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #6172f1;
  cursor: pointer;
}

.mtl-auth-form__link {
  color: #6172f1;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.mtl-auth-form__link:hover {
  color: #4c5cd4;
}

/* ─── Submit button ─── */

.mtl-auth-form__submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  font-family: "Plus Jakarta Sans", "Helvetica Neue", Arial, sans-serif;
  border: 1px solid transparent;
  color: #fff;
  background: #111827;
  box-shadow: 0 18px 35px rgba(17, 24, 39, 0.25);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mtl-auth-form__submit:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 40px rgba(17, 24, 39, 0.3);
}

/* ─── Terms checkbox ─── */

.mtl-auth-form__terms {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.85rem;
  color: var(--mtl-ink-muted);
  line-height: 1.5;
}

.mtl-auth-form__terms input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #6172f1;
  cursor: pointer;
  flex-shrink: 0;
  margin-top: 2px;
}

.mtl-auth-form__terms a {
  color: #6172f1;
  font-weight: 600;
  text-decoration: none;
}

.mtl-auth-form__terms a:hover {
  text-decoration: underline;
}

/* ─── Divider ─── */

.mtl-auth-card__divider {
  text-align: center;
  margin: 1.5rem 0;
  position: relative;
}

.mtl-auth-card__divider::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: rgba(15, 23, 42, 0.08);
}

.mtl-auth-card__divider span {
  position: relative;
  background: #fff;
  padding: 0 0.85rem;
  font-size: 0.85rem;
  color: var(--mtl-ink-muted);
}

/* ─── Footer link ─── */

.mtl-auth-card__footer {
  text-align: center;
  margin-top: 1.8rem;
  font-size: 0.9rem;
  color: var(--mtl-ink-muted);
}

.mtl-auth-card__footer a {
  color: #6172f1;
  font-weight: 600;
  text-decoration: none;
}

.mtl-auth-card__footer a:hover {
  text-decoration: underline;
}

/* ─── Flash alerts (reuse contact pattern) ─── */

.mtl-auth-alert {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.1rem;
  border-radius: 14px;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.mtl-auth-alert--success {
  background: rgba(16, 185, 129, 0.1);
  color: #047857;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.mtl-auth-alert--error {
  background: rgba(239, 68, 68, 0.08);
  color: #b91c1c;
  border: 1px solid rgba(239, 68, 68, 0.15);
}

.mtl-auth-alert--info {
  background: rgba(97, 114, 241, 0.08);
  color: #4338ca;
  border: 1px solid rgba(97, 114, 241, 0.15);
}

/* ─── Password strength ─── */

.mtl-auth-strength {
  display: flex;
  gap: 4px;
  margin-top: 0.5rem;
}

.mtl-auth-strength__bar {
  height: 4px;
  flex: 1;
  border-radius: 2px;
  background: rgba(15, 23, 42, 0.08);
  transition: background 0.3s ease;
}

.mtl-auth-strength__bar.is-active {
  background: #ef4444;
}

.mtl-auth-strength__bar.is-active.is-medium {
  background: #f59e0b;
}

.mtl-auth-strength__bar.is-active.is-strong {
  background: #10b981;
}

/* ─── Decorative balls (reuse landing pattern) ─── */

.mtl-auth__ball {
  display: none;
}

.mtl-auth__ball--warm {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(24, 184, 172, 0.18) 0%, transparent 70%);
  top: -80px;
  right: -120px;
  animation: mtl-auth-float 14s ease-in-out infinite alternate;
}

.mtl-auth__ball--cold {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(97, 114, 241, 0.15) 0%, transparent 70%);
  bottom: -60px;
  left: -100px;
  animation: mtl-auth-float 16s ease-in-out infinite alternate-reverse;
}

@keyframes mtl-auth-float {
  0% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
  100% { transform: translate(-20px, 15px); }
}

/* ─── Responsive ─── */

@media (max-width: 600px) {
  .mtl-auth {
    padding: 2rem 1rem;
  }

  .mtl-auth-card {
    padding: 2rem 1.5rem;
    border-radius: 22px;
  }

  .mtl-auth-form__row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .mtl-auth-card__title {
    font-size: 1.4rem;
  }
}