html,
body {
  width: 100%;
  min-height: 100%;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  background: var(--ds-bg);
  overflow-x: hidden;
}

.brand-panel {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  min-height: 100dvh;
  color: #fff;
  background:
    radial-gradient(900px 600px at 80% -10%, rgba(59, 130, 246, 0.55), transparent 60%),
    radial-gradient(700px 500px at -10% 110%, rgba(29, 78, 216, 0.6), transparent 55%),
    linear-gradient(155deg, #1D4ED8 0%, #1F5EDC 48%, #1e40af 100%);
  padding: 3rem 3.25rem;
  display: flex;
  flex-direction: column;
}

.brand-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 40%, #000 30%, transparent 78%);
  pointer-events: none;
}

.brand-panel > * {
  position: relative;
  z-index: 1;
}

.bp-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.bp-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.bp-top .t strong {
  display: block;
  font-size: 1rem;
  line-height: 1.1;
}

.bp-top .t span {
  font-size: 0.72rem;
  opacity: 0.8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.bp-hero {
  margin-top: auto;
  margin-bottom: auto;
  max-width: 30ch;
}

.bp-hero h1 {
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: 0;
  margin: 0 0 1rem;
  font-weight: 700;
}

.bp-hero p {
  font-size: 1.02rem;
  line-height: 1.55;
  opacity: 0.85;
  margin: 0;
}

.bp-stats {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 2rem;
  margin-top: 2.25rem;
}

.bp-stats .s {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  text-align: center;
}

.bp-stats .s-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.bp-stats .s-icon svg {
  width: 32px;
  height: 32px;
  display: block;
}

.bp-stats .s span {
  display: block;
  font-size: 0.78rem;
  opacity: 0.78;
  line-height: 1.35;
  max-width: 10ch;
}

.bp-foot {
  font-size: 0.75rem;
  opacity: 0.7;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 2rem 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-card .mobile-brand {
  display: none;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}

@media (max-width: 880px) {
  .login-card .mobile-brand {
    display: flex;
  }
}

.mobile-brand .mb-mark {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--ds-blue), var(--ds-blue-light));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  box-shadow: 0 4px 12px rgba(31, 94, 220, 0.25);
}

.mobile-brand .mb-text strong {
  display: block;
  color: var(--ds-text-dark);
  font-size: 0.95rem;
  line-height: 1.1;
}

.mobile-brand .mb-text span {
  font-size: 0.7rem;
  color: var(--ds-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.login-card h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ds-text-dark);
  margin: 0 0 0.35rem;
  letter-spacing: 0;
}

.login-card .sub {
  color: var(--ds-text-muted);
  font-size: var(--ds-fs-base);
  margin: 0 0 1.75rem;
}

.field {
  margin-bottom: 1.05rem;
}

.field label {
  display: block;
  font-size: var(--ds-fs-sm);
  font-weight: var(--ds-fw-semibold);
  color: var(--ds-slate-700);
  margin-bottom: 0.4rem;
}

.input-wrap {
  position: relative;
}

.input-wrap .lead-ico {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ds-slate-400);
  pointer-events: none;
}

.input-wrap .input {
  height: 44px;
  padding-left: 40px;
}

.input-wrap .toggle-pw {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: 0;
  background: transparent;
  color: var(--ds-slate-400);
  border-radius: 8px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.input-wrap .toggle-pw:hover {
  background: #f1f5f9;
  color: var(--ds-slate-600);
}

.field-error {
  color: var(--ds-error);
  font-size: var(--ds-fs-xs);
  margin-top: 0.35rem;
  display: none;
  align-items: center;
  gap: 0.3rem;
}

.field.has-error .input {
  border-color: var(--ds-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.12);
}

.field.has-error .field-error {
  display: flex;
}

.row-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.checkbox-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--ds-fs-sm);
  color: var(--ds-slate-600);
  cursor: pointer;
  user-select: none;
}

.checkbox-inline input {
  accent-color: var(--ds-blue);
  width: 15px;
  height: 15px;
}

.link-sm {
  font-size: var(--ds-fs-sm);
  font-weight: var(--ds-fw-semibold);
}

.btn-block {
  width: 100%;
  justify-content: center;
  height: 44px;
  font-size: var(--ds-fs-md);
}

.form-error-banner {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--ds-error);
  border-radius: var(--ds-radius-md);
  padding: 0.65rem 0.85rem;
  font-size: var(--ds-fs-sm);
  font-weight: 500;
  margin-bottom: 1.25rem;
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.form-error-banner.show {
  display: flex;
}

.divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.5rem 0;
  color: var(--ds-slate-400);
  font-size: var(--ds-fs-xs);
}

.divider::before,
.divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: #e2e8f0;
}

.btn-google {
  width: 100%;
  justify-content: center;
  height: 44px;
  background: #fff;
  border: 1px solid #e2e8f0;
  color: var(--ds-slate-700);
  font-weight: var(--ds-fw-semibold);
  border-radius: var(--ds-radius-md);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: background 0.15s, border-color 0.15s;
}

.btn-google:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

.form-foot {
  margin-top: 1.75rem;
  text-align: center;
  font-size: var(--ds-fs-sm);
  color: var(--ds-text-muted);
}

.help-note {
  margin-top: 0.75rem;
  text-align: center;
  font-size: var(--ds-fs-xs);
  color: var(--ds-slate-400);
}

.btn-primary[disabled],
.btn-google[disabled] {
  opacity: 0.7;
  cursor: progress;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

.btn-google .spinner {
  border-color: rgba(51, 65, 85, 0.22);
  border-top-color: var(--ds-blue);
}

.toast-host {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 20;
  display: grid;
  gap: 0.75rem;
  width: min(360px, calc(100vw - 2rem));
}

.toast {
  background: #fff;
  color: var(--ds-text-dark);
  border: 1px solid #e2e8f0;
  border-left: 4px solid var(--ds-blue);
  box-shadow: var(--ds-shadow-lg);
  border-radius: var(--ds-radius-md);
  padding: 0.85rem 1rem;
  transition: opacity 0.2s, transform 0.2s;
}

.toast.error {
  border-left-color: var(--ds-error);
}

.toast.success {
  border-left-color: var(--ds-success);
}

.toast-title {
  font-size: var(--ds-fs-sm);
  font-weight: var(--ds-fw-bold);
}

.toast-msg {
  margin-top: 0.15rem;
  color: var(--ds-text-muted);
  font-size: var(--ds-fs-sm);
  line-height: 1.35;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 520px) {
  .form-panel {
    align-items: flex-start;
    padding: 1.5rem 1rem;
  }

  .row-between {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }
}

@media (max-width: 880px) {
  body {
    grid-template-columns: 1fr;
  }

  .brand-panel {
    display: none;
  }
}