/* Auth shell — enterprise sign-in: brand colour system, accessibility, RTL-aware spacing */

.amb-auth-shell.fi-simple-layout {
  position: relative;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--amb-mint);
}

/* Skip link (WCAG 2.4.1) */
.amb-auth-skip {
  position: absolute;
  inset-inline-start: 1rem;
  top: 1rem;
  z-index: 50;
  padding: 0.625rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fff;
  background: var(--amb-petrol);
  border-radius: 0.375rem;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  transform: translateY(-150%);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.amb-auth-skip:focus,
.amb-auth-skip:focus-visible {
  transform: translateY(0);
  pointer-events: auto;
  outline: 3px solid var(--amb-cream);
  outline-offset: 2px;
}

.amb-auth-skip:not(:focus):not(:focus-visible) {
  pointer-events: none;
}

.amb-auth-split {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  align-items: stretch;
}

/* Hero — depth without imagery */
.amb-auth-hero {
  position: relative;
  isolation: isolate;
  background: radial-gradient(
      140% 90% at 0% 0%,
      rgba(0, 100, 109, 0.45) 0%,
      transparent 52%
    ),
    radial-gradient(
      90% 70% at 100% 100%,
      rgba(14, 73, 79, 0.55) 0%,
      transparent 50%
    ),
    linear-gradient(155deg, var(--amb-navy) 0%, #162d48 42%, var(--amb-forest) 100%);
  color: rgba(255, 255, 255, 0.96);
  padding: clamp(2rem, 5vw, 3.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.amb-auth-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.08) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.amb-auth-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
      circle at 88% 18%,
      rgba(132, 181, 175, 0.22) 0%,
      transparent 38%
    ),
    radial-gradient(
      circle at 8% 88%,
      rgba(239, 194, 185, 0.1) 0%,
      transparent 40%
    );
  pointer-events: none;
  z-index: -1;
}

.amb-auth-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: clamp(1rem, 2.2vw, 1.5rem);
  width: 100%;
  max-width: 32rem;
  margin-inline: auto;
}

@media (prefers-reduced-motion: no-preference) {
  .amb-auth-hero-inner {
    animation: amb-auth-hero-in 0.55s ease-out both;
  }
}

@keyframes amb-auth-hero-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Logo — centered, larger, on a soft “stage” */
.amb-auth-hero-brand {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: clamp(1.25rem, 3.5vw, 2rem) clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 1.25rem;
  background: radial-gradient(
    120% 100% at 50% 0%,
    rgba(255, 255, 255, 0.14) 0%,
    rgba(255, 255, 255, 0.03) 45%,
    transparent 70%
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}

.amb-auth-hero-brand .fi-logo {
  display: flex;
  justify-content: center;
  align-items: center;
}

.amb-auth-hero-brand .fi-logo img,
.amb-auth-hero-brand .fi-logo svg {
  max-height: clamp(3rem, 5.5vw, 3.75rem) !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.35));
}

.amb-auth-hero-brand .amb-auth-logo {
  max-height: clamp(3rem, 5.5vw, 3.75rem) !important;
  width: auto !important;
  height: auto !important;
  object-fit: contain !important;
  filter: drop-shadow(0 4px 24px rgba(0, 0, 0, 0.35));
}

.amb-auth-hero-brandname {
  margin: 0;
  font-size: clamp(1.625rem, 2.8vw, 2.125rem);
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: #fff;
  text-wrap: balance;
}

.amb-auth-hero-divider {
  width: 3.25rem;
  height: 3px;
  border-radius: 999px;
  margin-block: 0.125rem;
  margin-inline: auto;
  background: linear-gradient(
    90deg,
    var(--amb-sage) 0%,
    var(--amb-petrol) 100%
  );
  box-shadow: 0 0 24px rgba(132, 181, 175, 0.4);
}

.fi-topbar-inline-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-inline-start: 0.5rem;
}

.fi-topbar-inline-user {
  color: #0f172a;
  font-size: 0.875rem;
  font-weight: 700;
  max-width: 10rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.fi-topbar-inline-theme {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem;
  border-radius: 0.625rem;
  border: 1px solid rgba(15, 23, 42, 0.1);
  background: rgba(255, 255, 255, 0.9);
}

.fi-topbar-inline-btn,
.fi-topbar-inline-signout {
  border: none;
  background: transparent;
  color: #0f172a;
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: 0.5rem;
  padding: 0.35rem 0.6rem;
  cursor: pointer;
}

.fi-topbar-inline-btn:hover,
.fi-topbar-inline-signout:hover {
  background: rgba(14, 165, 166, 0.12);
}

.fi-topbar-inline-signout {
  color: #0f766e;
}

.amb-auth-hero-kicker {
  margin: 0;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(209, 233, 225, 0.85);
}

.amb-auth-hero-lead {
  margin: 0;
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.65;
  color: rgba(232, 245, 241, 0.9);
  max-width: 42ch;
  text-wrap: balance;
}

/* Form column */
.amb-auth-main.fi-simple-main-ctn {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1.5rem, 5vw, 3rem);
  background: radial-gradient(
      80% 50% at 50% 0%,
      rgba(255, 255, 255, 0.65) 0%,
      transparent 60%
    ),
    linear-gradient(
      180deg,
      rgba(209, 233, 225, 0.45) 0%,
      var(--amb-surface-page) 55%,
      var(--amb-surface-page) 100%
    );
}

.amb-auth-main .fi-simple-main {
  width: 100%;
  max-width: 27.5rem;
}

#amb-auth-main:focus {
  outline: none;
}

#amb-auth-main:focus-visible {
  outline: 3px solid var(--amb-petrol);
  outline-offset: 4px;
  border-radius: 0.75rem;
}

.amb-auth-main .fi-simple-page {
  width: 100%;
}

.amb-auth-main .fi-simple-page-content {
  position: relative;
  background: var(--amb-surface-card);
  border-radius: var(--amb-auth-card-radius);
  padding: clamp(2rem, 4vw, 2.75rem) clamp(1.75rem, 3.5vw, 2.5rem);
  border: 1px solid var(--amb-border-subtle);
  box-shadow: 0 0 0 1px var(--amb-auth-card-ring),
    0 32px 72px rgba(30, 52, 84, 0.12), 0 8px 24px rgba(30, 52, 84, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

.amb-auth-main .fi-simple-page-content::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 4px;
  border-radius: var(--amb-auth-card-radius) var(--amb-auth-card-radius) 0 0;
  background: linear-gradient(
    90deg,
    var(--amb-auth-accent-line) 0%,
    var(--amb-sage) 100%
  );
  pointer-events: none;
}

@media (prefers-reduced-motion: no-preference) {
  .amb-auth-main .fi-simple-page-content {
    animation: amb-auth-card-in 0.5s ease-out 0.08s both;
  }
}

@keyframes amb-auth-card-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.amb-auth-main .fi-simple-header {
  text-align: start;
  margin-bottom: 1.75rem;
  padding-top: 0.35rem;
}

.amb-auth-main .fi-simple-header-heading {
  font-size: 1.5rem !important;
  font-weight: 650 !important;
  letter-spacing: -0.03em !important;
  line-height: 1.2 !important;
  color: var(--amb-text-primary) !important;
}

.amb-auth-main .fi-simple-header-subheading {
  font-size: 0.875rem !important;
  color: var(--amb-text-muted) !important;
  margin-top: 0.625rem !important;
  line-height: 1.55 !important;
  max-width: 42ch;
}

.amb-auth-main .fi-simple-header-subheading a {
  color: var(--amb-petrol) !important;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  border-radius: 0.125rem;
}

.amb-auth-main .fi-simple-header-subheading a:focus-visible {
  outline: 2px solid var(--amb-petrol);
  outline-offset: 2px;
}

.amb-auth-main .fi-fo-field-wrp-label label,
.amb-auth-main .fi-fo-field-label {
  color: var(--amb-text-primary) !important;
  font-weight: 600 !important;
}

.amb-auth-main .fi-input-wrp,
.amb-auth-main .fi-input {
  border-radius: 0.5625rem !important;
}

.amb-auth-main .fi-input:focus,
.amb-auth-main .fi-input:focus-visible {
  border-color: var(--amb-petrol) !important;
  box-shadow: 0 0 0 3px rgba(0, 100, 109, 0.16) !important;
}

.amb-auth-main .fi-btn-color-primary {
  min-height: 2.75rem;
  background-color: var(--amb-petrol) !important;
  border-color: var(--amb-petrol) !important;
  border-radius: 0.5625rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  transition: background-color 0.15s ease, border-color 0.15s ease,
    transform 0.15s ease;
}

.amb-auth-main .fi-btn-color-primary:hover {
  background-color: var(--amb-forest) !important;
  border-color: var(--amb-forest) !important;
}

.amb-auth-main .fi-btn-color-primary:focus-visible {
  outline: 3px solid rgba(0, 100, 109, 0.35);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: no-preference) {
  .amb-auth-main .fi-btn-color-primary:hover {
    transform: translateY(-1px);
  }

  .amb-auth-main .fi-btn-color-primary:active {
    transform: translateY(0);
  }
}

.amb-auth-main .fi-fo-checkbox label {
  color: var(--amb-text-muted) !important;
  font-size: 0.8125rem !important;
}

/* Form fields: comfortable vertical rhythm */
.amb-auth-main .fi-fo-field {
  row-gap: 0.5rem;
}

/*
 * Label + actions (e.g. “Forgot password?”): stacked rows — avoids overlap
 * from Filament’s default horizontal label-ctn flex on narrow cards.
 */
.amb-auth-main .fi-fo-field-label-ctn {
  display: flex !important;
  flex-direction: column;
  align-items: stretch;
  gap: 0.25rem;
  width: 100%;
}

.amb-auth-main .fi-fo-field-label-ctn > .fi-fo-field-label {
  display: flex !important;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.25rem 0.5rem;
  width: 100%;
  flex: none !important;
  min-width: 0;
}

.amb-auth-main .fi-fo-field-label-ctn > *:not(.fi-fo-field-label) {
  align-self: flex-end;
  width: 100%;
  text-align: end;
  font-size: 0.8125rem;
  line-height: 1.45;
  margin: 0;
  padding: 0;
}

.amb-auth-main .fi-fo-field-label-ctn .fi-sc-text,
.amb-auth-main .fi-fo-field-label-ctn .fi-sc-text a,
.amb-auth-main .fi-fo-field-label-ctn a {
  white-space: normal;
}

.amb-auth-main .fi-fo-field-label-ctn .fi-sc-text a {
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.18em;
  color: var(--amb-petrol) !important;
}

.amb-auth-main .fi-fo-field-label-ctn .fi-sc-text a:hover {
  color: var(--amb-forest) !important;
}

.amb-auth-main .fi-fo-field-label-ctn .fi-sc-text a:focus-visible {
  outline: 2px solid var(--amb-petrol);
  outline-offset: 2px;
  border-radius: 0.125rem;
}

/* Dark mode — keep sign-in legible when user prefers dark */
.dark .amb-auth-shell.fi-simple-layout {
  background: #0f1a2c;
}

.dark .amb-auth-main.fi-simple-main-ctn {
  background: linear-gradient(180deg, #0f1a2c 0%, #0c1524 100%);
}

.dark .amb-auth-main .fi-simple-page-content {
  background: #152a45;
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 28px 64px rgba(0, 0, 0, 0.35);
}

.dark .amb-auth-main .fi-simple-header-heading {
  color: rgba(248, 250, 252, 0.96) !important;
}

.dark .amb-auth-main .fi-simple-header-subheading,
.dark .amb-auth-main .fi-fo-checkbox label,
.dark .amb-auth-main .fi-fo-field-wrp-label label,
.dark .amb-auth-main .fi-fo-field-label {
  color: rgba(203, 213, 225, 0.92) !important;
}

@media (max-width: 900px) {
  .amb-auth-split {
    grid-template-columns: 1fr;
  }

  .amb-auth-hero {
    padding: 1.75rem 1.25rem 2rem;
    min-height: auto;
  }

  .amb-auth-hero-lead {
    max-width: none;
  }

  .amb-auth-skip {
    inset-inline-start: 0.75rem;
    top: 0.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .amb-auth-skip {
    transition: none;
  }

  .amb-auth-hero-inner,
  .amb-auth-main .fi-simple-page-content {
    animation: none !important;
  }

  .amb-auth-main .fi-btn-color-primary {
    transition: none !important;
  }

  .amb-auth-main .fi-btn-color-primary:hover,
  .amb-auth-main .fi-btn-color-primary:active {
    transform: none !important;
  }
}