:root {
  --night: #07111d;
  --ink: #101828;
  --museum-blue: #0a2f57;
  --lapis: #123f69;
  --gold: #c8943d;
  --pale-gold: #f1dca7;
  --papyrus: #f7f0dd;
  --ivory: #fffaf0;
  --copper: #9c5b2e;
  --cyan: #79d4e6;
  --stone-red: #6d2d28;
  --line: rgba(241, 220, 167, 0.28);
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

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

.login-body {
  margin: 0;
  color: var(--ivory);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(120deg, rgba(7, 17, 29, 0.88), rgba(10, 47, 87, 0.82), rgba(33, 20, 13, 0.86)),
    url("../img/museum-scenes/cornice-band.jpg") center / cover fixed;
  overflow-x: hidden;
}

.login-body::before,
.login-body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.login-body::before {
  background:
    linear-gradient(90deg, rgba(241, 220, 167, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(121, 212, 230, 0.06) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(90deg, transparent, #000 15%, #000 84%, transparent);
}

.login-body::after {
  background:
    linear-gradient(180deg, rgba(8, 17, 29, 0), rgba(8, 17, 29, 0.44)),
    radial-gradient(circle at 74% 18%, rgba(200, 148, 61, 0.16), transparent 28%),
    radial-gradient(circle at 22% 82%, rgba(121, 212, 230, 0.12), transparent 32%);
}

.login-stage {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 430px minmax(0, 1.15fr);
  gap: 28px;
  align-items: stretch;
  padding: 28px;
}

.is-ar .login-stage {
  direction: rtl;
  grid-template-columns: minmax(0, 1.15fr) 430px;
}

.is-ar .login-panel {
  grid-column: 2;
}

.is-ar .museum-side {
  grid-column: 1;
  grid-row: 1;
}

.museum-side {
  min-height: calc(100vh - 56px);
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(247, 240, 221, 0.1), rgba(10, 47, 87, 0.46)),
    rgba(8, 17, 29, 0.72);
  box-shadow: var(--shadow);
}

.museum-side::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 17, 29, 0.58), transparent 42%, rgba(7, 17, 29, 0.62)),
    url("../img/museum-scenes/museum-wall.jpg") center / cover;
  opacity: 0.28;
}

.museum-side::after {
  content: "";
  position: absolute;
  width: 760px;
  height: 760px;
  inset-inline-end: -240px;
  inset-block-start: -220px;
  border: 1px solid rgba(241, 220, 167, 0.26);
  border-radius: 50%;
  background:
    repeating-conic-gradient(from 12deg, rgba(200, 148, 61, 0.18) 0deg 7deg, transparent 7deg 18deg),
    radial-gradient(circle, transparent 0 54%, rgba(121, 212, 230, 0.08) 55% 56%, transparent 57%);
}

.identity-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 16, 30, 0.62);
  backdrop-filter: blur(18px);
}

.museum-logo {
  width: 270px;
  max-height: 110px;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.eyebrow {
  margin: 0;
  color: var(--pale-gold);
  font-size: 13px;
  font-weight: 800;
}

h1,
h2 {
  margin: 4px 0 0;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  color: #fff;
  font-size: 40px;
  line-height: 1.22;
  font-weight: 900;
}

.museum-photo-wall {
  position: absolute;
  z-index: 1;
  inset-inline-end: 34px;
  bottom: 116px;
  width: min(42vw, 560px);
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 14px;
  opacity: 0.86;
}

.scene-tile {
  min-height: 150px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(241, 220, 167, 0.26);
  border-radius: 8px;
  background: rgba(5, 16, 30, 0.42);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.scene-tile img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.05);
}

.scene-large {
  grid-row: span 2;
}

.hero-mark {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  padding: 40px;
}

.hero-mark img {
  width: min(610px, 68%);
  max-height: 500px;
  object-fit: contain;
  filter: drop-shadow(0 30px 36px rgba(0, 0, 0, 0.36));
}

.signal-strip {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  min-height: 88px;
  border-top: 1px solid var(--line);
  background: rgba(5, 16, 30, 0.5);
}

.signal-strip span {
  background:
    linear-gradient(90deg, transparent, rgba(121, 212, 230, 0.32), transparent),
    linear-gradient(180deg, rgba(241, 220, 167, 0.1), transparent);
}

.login-panel {
  position: relative;
  min-height: calc(100vh - 56px);
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  align-items: start;
  padding: 26px;
  border: 1px solid rgba(241, 220, 167, 0.34);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 250, 240, 0.98), rgba(247, 240, 221, 0.94)),
    var(--papyrus);
  box-shadow: var(--shadow);
}

.login-panel::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(156, 91, 46, 0.13);
  border-radius: 6px;
  pointer-events: none;
}

.lang-switch {
  justify-self: end;
  min-height: 30px;
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--museum-blue);
  background: rgba(10, 47, 87, 0.08);
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0 22px;
  border-bottom: 1px solid rgba(156, 91, 46, 0.24);
}

.panel-top .eyebrow {
  color: var(--copper);
}

.panel-top h2 {
  color: var(--museum-blue);
  font-size: 30px;
  font-weight: 900;
}

.panel-logo {
  width: 112px;
  height: 96px;
  object-fit: contain;
}

.login-error {
  margin-top: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(163, 45, 45, 0.24);
  border-radius: 8px;
  color: #872828;
  background: #fff0f0;
  font-weight: 800;
}

.login-form {
  align-self: center;
  display: grid;
  gap: 18px;
  width: 100%;
}

.login-form label {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
  font-size: 14px;
}

.login-form input[type="text"],
.login-form input[type="password"] {
  width: 100%;
  min-height: 52px;
  padding: 12px 14px;
  color: var(--ink);
  border: 1px solid rgba(10, 47, 87, 0.28);
  border-radius: 8px;
  background: #fff;
  outline: none;
  font-size: 16px;
}

.login-form input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(200, 148, 61, 0.18);
}

.form-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  color: #475467;
  font-size: 13px;
}

.check {
  display: flex !important;
  grid-template-columns: none !important;
  flex-direction: row;
  align-items: center;
  gap: 8px !important;
  font-weight: 700 !important;
}

.form-row a {
  color: var(--museum-blue);
  font-weight: 800;
  text-decoration: none;
}

button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: #fff;
  border: 0;
  border-radius: 8px;
  background:
    linear-gradient(135deg, var(--museum-blue), var(--lapis) 48%, var(--copper));
  box-shadow: 0 18px 30px rgba(10, 47, 87, 0.24);
  font-size: 17px;
  font-weight: 900;
  cursor: pointer;
}

.button-icon {
  min-width: 42px;
  min-height: 28px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(241, 220, 167, 0.42);
  border-radius: 999px;
  color: var(--pale-gold);
  font-size: 12px;
}

.powered {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 18px;
  color: #667085;
  border-top: 1px solid rgba(156, 91, 46, 0.18);
  font-size: 12px;
  font-weight: 800;
}

.powered img {
  width: 50px;
  height: 40px;
  object-fit: contain;
}

@media (max-width: 1050px) {
  .login-stage,
  .is-ar .login-stage {
    grid-template-columns: 1fr;
  }

  .is-ar .login-panel,
  .is-ar .museum-side {
    grid-column: auto;
    grid-row: auto;
  }

  .museum-side,
  .login-panel {
    min-height: auto;
  }

  .museum-photo-wall {
    position: relative;
    inset: auto;
    width: auto;
    padding: 0 24px 20px;
  }

  .hero-mark img {
    width: min(520px, 88%);
  }
}

@media (max-width: 640px) {
  .login-stage {
    padding: 12px;
  }

  .identity-header {
    display: grid;
    padding: 18px;
  }

  .museum-logo {
    width: 190px;
  }

  h1 {
    font-size: 28px;
  }

  .login-panel {
    padding: 18px;
  }

  .museum-photo-wall {
    grid-template-columns: 1fr;
  }
}