/**
 * Royal House — Login (scoped .rh-login*)
 * Cinematic split composition — quiet contemporary luxury.
 */

.rh-login {
  --aside-w: clamp(20rem, 42vw, 34rem);
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 1fr var(--aside-w);
  color: var(--rh-text);
  background: var(--rh-ink-0);
  font-family: var(--rh-font-ui);
  overflow: hidden;
  position: relative;
}

html[dir="ltr"] .rh-login {
  grid-template-columns: var(--aside-w) 1fr;
}

html[dir="ltr"] .rh-login__theater {
  order: 2;
}

html[dir="ltr"] .rh-login__aside {
  order: 1;
  border-inline-start: 0;
  border-inline-end: var(--rh-hairline);
}

/* =========================
   Brand theater (visual plane)
   ========================= */
.rh-login__theater {
  --mx: 60%;
  --my: 35%;
  position: relative;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  isolation: isolate;
  overflow: hidden;
  background:
    radial-gradient(ellipse 45% 40% at var(--mx) var(--my), color-mix(in srgb, var(--rh-gold-400) 16%, transparent), transparent 55%),
    radial-gradient(ellipse 70% 55% at 65% 20%, color-mix(in srgb, var(--rh-gold-600) 22%, transparent), transparent 60%),
    radial-gradient(ellipse 55% 50% at 15% 85%, color-mix(in srgb, #3a2a12 55%, transparent), transparent 55%),
    linear-gradient(155deg, #070605 0%, #12100c 42%, #0a0907 100%);
}

.rh-login__mesh {
  position: absolute;
  inset: -10%;
  z-index: 0;
  pointer-events: none;
  background:
    conic-gradient(from 210deg at 70% 40%, transparent 0deg, color-mix(in srgb, var(--rh-gold-500) 8%, transparent) 50deg, transparent 110deg),
    radial-gradient(circle at 30% 60%, color-mix(in srgb, var(--rh-gold-700) 18%, transparent), transparent 42%);
  filter: blur(40px);
  opacity: 0.9;
  animation: rh-mesh-drift 18s var(--rh-ease) infinite alternate;
}

@keyframes rh-mesh-drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1); }
  to   { transform: translate3d(2%, 2%, 0) scale(1.06); }
}

.rh-login__grid {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.14;
  background-image:
    linear-gradient(color-mix(in srgb, var(--rh-gold-400) 35%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--rh-gold-400) 35%, transparent) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 65% at 50% 45%, #000 20%, transparent 75%);
}

.rh-login__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.5;
}

.rh-login__theater-inner {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: min(40rem, 94%);
  width: 100%;
  animation: rh-rise var(--rh-dur-slow) var(--rh-ease-out) both;
}

@keyframes rh-rise {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

.rh-login__sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.rh-login__mark {
  width: clamp(6.5rem, 14vw, 9rem);
  height: auto;
  margin: 0 auto 1.35rem;
  filter: drop-shadow(0 18px 40px color-mix(in srgb, var(--rh-gold-500) 28%, transparent));
  animation: rh-mark 1.25s var(--rh-ease-out) 0.1s both;
}

.rh-login__wordmark {
  margin: 0;
  font-family: var(--rh-font-display);
  font-weight: 500;
  font-size: clamp(2.1rem, 4.5vw, 3rem);
  line-height: 1.1;
  letter-spacing: 0.06em;
  color: var(--rh-gold-100);
}

html[dir="rtl"] .rh-login__wordmark {
  font-family: var(--rh-font-arabic);
  letter-spacing: 0.04em;
  font-weight: 500;
}

@keyframes rh-mark {
  from { opacity: 0; transform: scale(0.94) translateY(16px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.rh-login__lang {
  margin-bottom: 1.5rem;
}

.rh-login__ornament {
  width: min(12rem, 55%);
  height: 1px;
  margin: 1.75rem auto 0;
  background: linear-gradient(90deg, transparent, var(--rh-gold-400), transparent);
  position: relative;
  transform-origin: center;
  animation: rh-line 1.1s var(--rh-ease-out) 0.35s both;
}

@keyframes rh-line {
  from { transform: scaleX(0); opacity: 0; }
  to   { transform: scaleX(1); opacity: 1; }
}

.rh-login__ornament::before,
.rh-login__ornament::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 6px;
  height: 6px;
  border: 1px solid var(--rh-gold-400);
  transform: translateY(-50%) rotate(45deg);
  opacity: 0.75;
}

.rh-login__ornament::before { left: -8px; }
.rh-login__ornament::after  { right: -8px; }

.rh-login__tagline {
  margin: 1.35rem 0 0;
  font-family: var(--rh-font-arabic);
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--rh-ink-600);
  max-width: 22ch;
  margin-inline: auto;
}

.rh-login__meta {
  position: absolute;
  z-index: 3;
  inset-inline-start: clamp(1.25rem, 3vw, 2rem);
  bottom: clamp(1.25rem, 3vw, 2rem);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--rh-font-ui);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rh-ink-500);
}

.rh-login__meta i {
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--rh-gold-600);
  font-style: normal;
}

/* =========================
   Auth column
   ========================= */
.rh-login__aside {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(1.75rem, 4vw, 3rem) clamp(1.4rem, 3.5vw, 2.75rem);
  background:
    linear-gradient(180deg, #14110e 0%, #0e0c0a 100%);
  border-inline-start: var(--rh-hairline);
  animation: rh-aside 0.9s var(--rh-ease-out) 0.15s both;
}

@keyframes rh-aside {
  from { opacity: 0; transform: translateX(-18px); }
  to   { opacity: 1; transform: translateX(0); }
}

.rh-login__aside::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--rh-gold-500) 7%, transparent), transparent 35%);
  opacity: 0.9;
}

.rh-login__aside-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 22rem;
  margin-inline: auto;
  padding: 1.35rem 1.25rem 1.5rem;
  border-radius: var(--rh-radius-xl);
  background: color-mix(in srgb, #1a1612 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--rh-gold-500) 16%, transparent);
}

.rh-login__kicker {
  margin: 0 0 0.55rem;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--rh-gold-400);
}

.rh-login__heading {
  margin: 0;
  font-family: var(--rh-font-arabic);
  font-weight: 500;
  font-size: clamp(1.45rem, 2.4vw, 1.75rem);
  color: var(--rh-ink-900);
  letter-spacing: -0.01em;
}

.rh-login__sub {
  margin: 0.55rem 0 0;
  font-family: var(--rh-font-arabic);
  font-weight: 300;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--rh-ink-500);
}

.rh-login__form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-top: 1.75rem;
}

.rh-login__field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.rh-login__label {
  font-family: var(--rh-font-arabic);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--rh-ink-600);
}

.rh-login__control {
  position: relative;
}

.rh-login__input {
  width: 100%;
  appearance: none;
  border: 1px solid color-mix(in srgb, var(--rh-gold-500) 28%, var(--rh-ink-300));
  border-radius: var(--rh-radius-sm);
  background: color-mix(in srgb, var(--rh-ink-0) 55%, transparent);
  color: var(--rh-ink-900);
  font-family: var(--rh-font-ui);
  font-size: 0.95rem;
  padding: 0.85rem 1rem;
  transition:
    border-color 200ms var(--rh-ease),
    box-shadow 200ms var(--rh-ease),
    background 200ms var(--rh-ease);
}

.rh-login__input::placeholder {
  color: color-mix(in srgb, var(--rh-ink-500) 55%, transparent);
  font-weight: 300;
}

.rh-login__input:hover {
  border-color: color-mix(in srgb, var(--rh-gold-400) 50%, var(--rh-ink-300));
}

.rh-login__input:focus {
  outline: none;
  border-color: var(--rh-gold-300);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--rh-gold-500) 18%, transparent);
  background: color-mix(in srgb, var(--rh-ink-0) 70%, transparent);
}

.rh-login__control--password .rh-login__input {
  padding-inline-start: 2.75rem;
}

.rh-login__toggle {
  position: absolute;
  inset-inline-start: 0.45rem;
  top: 50%;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: var(--rh-radius-xs);
  background: transparent;
  color: var(--rh-ink-500);
  cursor: pointer;
  padding: 0;
  display: grid;
  place-items: center;
  transition: color 180ms var(--rh-ease), background 180ms;
}

.rh-login__toggle:hover {
  color: var(--rh-gold-300);
  background: color-mix(in srgb, var(--rh-gold-500) 12%, transparent);
}

.rh-login__toggle svg {
  width: 1.1rem;
  height: 1.1rem;
}

.rh-login__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: -0.15rem;
}

.rh-login__check {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--rh-font-arabic);
  font-size: 0.8rem;
  color: var(--rh-ink-500);
  cursor: pointer;
  user-select: none;
}

.rh-login__check input {
  appearance: none;
  width: 1.05rem;
  height: 1.05rem;
  margin: 0;
  border: 1px solid color-mix(in srgb, var(--rh-gold-500) 45%, var(--rh-ink-400));
  border-radius: 6px;
  background: transparent;
  display: grid;
  place-items: center;
  transition: background 160ms, border-color 160ms;
}

.rh-login__check input::after {
  content: "";
  width: 0.28rem;
  height: 0.5rem;
  border: solid var(--rh-ink-0);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg) translate(-0.5px, -1px) scale(0);
  transition: transform 160ms var(--rh-ease);
}

.rh-login__check input:checked {
  background: var(--rh-gold-400);
  border-color: var(--rh-gold-300);
}

.rh-login__check input:checked::after {
  transform: rotate(45deg) translate(-0.5px, -1px) scale(1);
}

.rh-login__submit {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  margin-top: 0.35rem;
  width: 100%;
  border: 0;
  border-radius: var(--rh-radius-sm);
  cursor: pointer;
  font-family: var(--rh-font-arabic);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--rh-ink-0);
  padding: 1rem 1.25rem;
  background: linear-gradient(120deg, var(--rh-gold-200) 0%, var(--rh-gold-400) 48%, var(--rh-gold-600) 100%);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 22%, transparent) inset,
    0 14px 36px color-mix(in srgb, var(--rh-gold-700) 28%, transparent);
  transition: transform 180ms var(--rh-ease), filter 180ms var(--rh-ease), box-shadow 180ms var(--rh-ease);
}

.rh-login__submit::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 30%, color-mix(in srgb, #fff 42%, transparent) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 0.75s var(--rh-ease-out);
  z-index: -1;
  border-radius: inherit;
}

.rh-login__submit:hover {
  filter: brightness(1.05);
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 28%, transparent) inset,
    0 18px 44px color-mix(in srgb, var(--rh-gold-600) 38%, transparent);
}

.rh-login__submit:hover::after {
  transform: translateX(130%);
}

.rh-login__submit:active {
  transform: scale(0.985);
}

.rh-login__submit[disabled] {
  opacity: 0.65;
  cursor: wait;
  filter: none;
}

.rh-login__submit-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.rh-login__spinner {
  width: 0.95rem;
  height: 0.95rem;
  border: 2px solid color-mix(in srgb, var(--rh-ink-0) 25%, transparent);
  border-top-color: var(--rh-ink-0);
  border-radius: 50%;
  animation: rh-spin 0.7s linear infinite;
  display: none;
}

.rh-login__submit.is-loading .rh-login__spinner { display: block; }

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

.rh-login__alert {
  display: none;
  font-family: var(--rh-font-arabic);
  font-size: 0.84rem;
  line-height: 1.55;
  padding: 0.8rem 0.95rem;
  border: 1px solid color-mix(in srgb, var(--rh-danger) 40%, transparent);
  border-radius: var(--rh-radius-sm);
  background: var(--rh-danger-bg);
  color: #f0c8c8;
  margin-top: 1.1rem;
}

.rh-login__alert.is-visible {
  display: block;
  animation: rh-rise 0.4s var(--rh-ease-out);
}

.rh-login__aside-foot {
  margin-top: 1.75rem;
  font-family: var(--rh-font-ui);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--rh-ink-500);
}

.rh-login__aside-foot span {
  color: var(--rh-gold-500);
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 960px) {
  .rh-login {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }

  .rh-login__theater {
    min-height: 42dvh;
    padding: 2.25rem 1.5rem 1.75rem;
  }

  .rh-login__mark {
    width: clamp(5rem, 20vw, 6.5rem);
    margin-bottom: 1rem;
  }

  .rh-login__wordmark {
    font-size: clamp(1.7rem, 6vw, 2.2rem);
  }

  .rh-login__tagline { display: none; }

  .rh-login__meta { display: none; }

  .rh-login__aside {
    border-inline-start: 0;
    border-top: var(--rh-hairline);
    min-height: 58dvh;
    animation-name: rh-rise;
  }

  .rh-login__aside::before {
    background: linear-gradient(180deg, color-mix(in srgb, var(--rh-gold-500) 8%, transparent), transparent 40%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .rh-login__mesh,
  .rh-login__theater-inner,
  .rh-login__lockup,
  .rh-login__mark,
  .rh-login__ornament,
  .rh-login__aside,
  .rh-login__submit::after {
    animation: none !important;
    transition: none !important;
  }
}