/* Sign-in — split-panel layout */

.page--sign-in {
  background: var(--white);
}

.page--sign-in main {
  padding-top: var(--header-h);
}

.si {
  min-height: calc(100vh - var(--header-h));
}

.si__split {
  display: grid;
  min-height: calc(100vh - var(--header-h));
}

@media (min-width: 960px) {
  .si__split {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

/* ── Brand panel (left) ── */
.si-brand {
  position: relative;
  overflow: hidden;
  color: var(--white);
  padding: 2.5rem clamp(1.25rem, 4vw, 2.5rem) 3rem;
}

@media (min-width: 960px) {
  .si-brand {
    padding: 3.5rem clamp(2rem, 4vw, 3.5rem);
    display: flex;
    align-items: center;
  }
}

.si-brand__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(145deg, var(--navy-900) 0%, var(--navy-700) 52%, var(--navy-600) 100%);
}

.si-brand__pattern {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  background-image:
    linear-gradient(90deg, rgb(255 255 255 / 0.07) 1px, transparent 1px),
    linear-gradient(rgb(255 255 255 / 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
}

.si-brand__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 15%, rgb(37 99 235 / 0.35), transparent 42%),
    radial-gradient(circle at 10% 90%, rgb(251 191 36 / 0.14), transparent 38%);
}

.si-brand__content {
  position: relative;
  z-index: 1;
  max-width: 34rem;
}

.si-brand__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0 0 1.25rem;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgb(255 255 255 / 0.1);
  border: 1px solid rgb(255 255 255 / 0.18);
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgb(255 255 255 / 0.92);
}

.si-brand__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

.si-brand__accent {
  color: var(--accent);
}

.si-brand__desc {
  margin: 0 0 1.75rem;
  font-size: 1.02rem;
  line-height: 1.7;
  color: rgb(255 255 255 / 0.82);
}

.si-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin: 0 0 2rem;
  padding: 0;
  list-style: none;
}

.si-stat {
  padding: 0.85rem 0.65rem;
  border-radius: var(--radius-sm);
  background: rgb(255 255 255 / 0.08);
  border: 1px solid rgb(255 255 255 / 0.12);
  text-align: center;
}

.si-stat__value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}

.si-stat__label {
  display: block;
  margin-top: 0.15rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: rgb(255 255 255 / 0.72);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.si-feats {
  display: grid;
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 640px) {
  .si-feats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

.si-feat {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem;
  border-radius: var(--radius);
  background: rgb(255 255 255 / 0.07);
  border: 1px solid rgb(255 255 255 / 0.1);
  transition: background 0.25s ease, transform 0.25s ease;
}

.si-feat:hover {
  background: rgb(255 255 255 / 0.11);
  transform: translateY(-2px);
}

.si-feat__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.65rem;
  background: rgb(37 99 235 / 0.25);
  color: #93c5fd;
}

.si-feat__title {
  margin: 0 0 0.15rem;
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.3;
}

.si-feat__text {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: rgb(255 255 255 / 0.68);
}

/* ── Auth panel (right) ── */
.si-auth {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem clamp(1.25rem, 4vw, 2rem) 3rem;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 55%, #f0f6ff 100%);
}

@media (min-width: 960px) {
  .si-auth {
    padding: 3rem 2.5rem;
  }
}

.si-auth__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.si-auth__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
}

.si-auth__orb--1 {
  top: -4rem;
  right: -3rem;
  width: 18rem;
  height: 18rem;
  background: rgb(37 99 235 / 0.12);
}

.si-auth__orb--2 {
  bottom: -5rem;
  left: -2rem;
  width: 16rem;
  height: 16rem;
  background: rgb(251 191 36 / 0.1);
}

.si-auth__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 24rem;
}

.si-card {
  padding: 2.5rem 2rem 2rem;
  background: var(--white);
  border-radius: 1.35rem;
  border: 1px solid var(--gray-200);
  box-shadow:
    0 1px 2px rgb(15 23 42 / 0.04),
    0 12px 40px rgb(15 23 42 / 0.1);
  text-align: center;
}

.si-card__ring {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 5.5rem;
  height: 5.5rem;
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  background: linear-gradient(135deg, rgb(37 99 235 / 0.15), rgb(37 99 235 / 0.04));
  border: 1px solid rgb(37 99 235 / 0.12);
}

.si-card__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--blue-500), var(--navy-700));
  color: var(--white);
  box-shadow: 0 8px 20px rgb(37 99 235 / 0.35);
}

.si-card__title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--navy-900);
  letter-spacing: -0.02em;
}

.si-card__sub {
  margin: 0 0 1.75rem;
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.5;
}

.si-card__error {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgb(254 226 226);
  border: 1px solid rgb(252 165 165);
  color: #991b1b;
  font-size: 0.875rem;
  line-height: 1.45;
  text-align: left;
}

.si-card__error .icon {
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.si-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.9rem 1.25rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.si-google:hover {
  border-color: var(--blue-400);
  background: var(--gray-50);
  box-shadow: 0 6px 20px rgb(37 99 235 / 0.12);
  transform: translateY(-2px);
}

.si-google--disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.si-google__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.si-google__icon svg {
  width: 100%;
  height: 100%;
}

.si-card__note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 1.5rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  font-size: 0.75rem;
  line-height: 1.55;
  color: var(--gray-600);
  text-align: left;
}

.si-card__note .icon {
  flex-shrink: 0;
  margin-top: 0.05rem;
  color: var(--blue-500);
}

.si-auth__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.65rem;
  margin: 1.5rem 0 0;
  font-size: 0.875rem;
  color: var(--gray-600);
}

.si-auth__foot a {
  font-weight: 600;
  color: var(--blue-500);
  transition: color 0.2s ease;
}

.si-auth__foot a:hover {
  color: var(--navy-700);
}

.si-auth__foot span {
  color: var(--gray-400);
}

/* Mobile: show sign-in first */
@media (max-width: 959px) {
  .si-auth {
    order: -1;
    min-height: auto;
    padding-top: 1.5rem;
  }

  .si-brand {
    padding-top: 2rem;
    padding-bottom: 2.5rem;
  }
}