:root {
  --opennas-blue: #1478ff;
  --opennas-cyan: #08b9df;
  --opennas-ink: #10203b;
  --opennas-muted: #5d6b82;
  --opennas-line: rgba(255, 255, 255, 0.72);
  --opennas-glass: rgba(255, 255, 255, 0.72);
}

html.opennas-session-page,
html.opennas-session-page body,
html.opennas-session-page #root {
  min-height: 100%;
}

html.opennas-session-page body {
  margin: 0;
  color: var(--opennas-ink);
  background: #eef4ff;
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-optical-sizing: auto;
}

.opennas-session-shell {
  position: relative;
  isolation: isolate;
  display: grid !important;
  grid-template-columns: minmax(0, 620px) minmax(440px, 470px);
  gap: clamp(3.5rem, 6vw, 7.5rem);
  align-items: center;
  justify-content: center;
  min-height: 100dvh !important;
  padding: clamp(2rem, 6vh, 6rem) clamp(2rem, 5vw, 8rem) !important;
  overflow: hidden auto;
  background:
    radial-gradient(circle at 14% 18%, rgba(37, 147, 255, 0.3), transparent 31%),
    radial-gradient(circle at 80% 16%, rgba(79, 217, 223, 0.24), transparent 28%),
    radial-gradient(circle at 66% 84%, rgba(112, 96, 255, 0.2), transparent 33%),
    linear-gradient(145deg, #f8fbff 0%, #edf4ff 46%, #f7faff 100%);
}

.opennas-session-shell::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 48%, rgba(13, 130, 255, 0.2), transparent 22%),
    radial-gradient(circle at 72% 32%, rgba(15, 207, 218, 0.17), transparent 20%),
    radial-gradient(circle at 74% 78%, rgba(106, 82, 255, 0.14), transparent 21%);
  filter: blur(42px);
}

.opennas-session-shell::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  pointer-events: none;
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(58, 104, 175, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 104, 175, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(115deg, rgba(0, 0, 0, 0.8), transparent 70%);
}

.opennas-session-story {
  --opennas-story-accent: #1478ff;
  --opennas-story-accent-soft: #655ce8;

  z-index: 1;
  width: min(100%, 620px);
  justify-self: end;
  color: var(--opennas-ink);
  animation: opennas-story-arrive 520ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.opennas-session-story[data-session-mode="signup"] {
  --opennas-story-accent: #655ce8;
  --opennas-story-accent-soft: #08aeca;
}

.opennas-session-story__brand {
  display: inline-flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: clamp(2.75rem, 7vh, 5.5rem);
  font-size: 1.125rem;
  font-weight: 680;
  letter-spacing: -0.018em;
}

.opennas-session-story__brand img {
  width: 2.25rem;
  height: 2.25rem;
  filter: drop-shadow(0 10px 22px rgba(20, 120, 255, 0.22));
}

.opennas-session-story__body {
  width: 100%;
}

.opennas-session-story[data-session-mode="signin"]
  .opennas-session-story__body {
  animation: opennas-story-copy-signin 260ms cubic-bezier(0.22, 1, 0.36, 1)
    both;
}

.opennas-session-story[data-session-mode="signup"]
  .opennas-session-story__body {
  animation: opennas-story-copy-signup 260ms cubic-bezier(0.22, 1, 0.36, 1)
    both;
}

.opennas-session-story__eyebrow {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0 0 1.4rem;
  color: var(--opennas-story-accent);
  font-size: 0.73rem;
  font-weight: 740;
  line-height: 1.4;
  letter-spacing: 0.135em;
}

.opennas-session-story__eyebrow-divider {
  width: 1.7rem;
  height: 1px;
  background: currentColor;
  opacity: 0.42;
}

.opennas-session-story__context {
  color: #53647d;
  font-weight: 620;
  letter-spacing: 0.06em;
}

.opennas-session-story h1 {
  margin: 0;
  font-size: clamp(3rem, 4.6vw, 5rem);
  font-weight: 730;
  line-height: 0.96;
  letter-spacing: -0.048em;
}

.opennas-session-story__title-lead,
.opennas-session-story__title-focus {
  display: block;
  white-space: nowrap;
}

.opennas-session-story__title-lead {
  color: var(--opennas-ink);
}

.opennas-session-story__title-focus {
  margin-top: 0.12em;
  color: var(--opennas-story-accent);
  background: linear-gradient(
    100deg,
    var(--opennas-story-accent),
    var(--opennas-story-accent-soft)
  );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.opennas-session-story__lead {
  position: relative;
  max-width: 29rem;
  padding-left: 1.15rem;
  margin: 2rem 0 0;
  color: var(--opennas-muted);
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  font-weight: 500;
  line-height: 1.75;
  letter-spacing: 0.008em;
}

.opennas-session-story__lead::before {
  position: absolute;
  top: 0.35em;
  bottom: 0.35em;
  left: 0;
  width: 3px;
  content: "";
  background: linear-gradient(
    var(--opennas-story-accent),
    var(--opennas-story-accent-soft)
  );
  border-radius: 999px;
}

.opennas-session-story__features {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2.4rem;
}

.opennas-session-story__feature {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  min-height: 2.35rem;
  padding: 0.5rem 0.82rem 0.5rem 0.7rem;
  color: #29405f;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(47, 84, 137, 0.08);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  font-size: 0.82rem;
  font-weight: 600;
}

.opennas-session-story__feature::before {
  width: 0.72rem;
  height: 0.72rem;
  content: "";
  background: linear-gradient(
    145deg,
    var(--opennas-story-accent),
    var(--opennas-story-accent-soft)
  );
  border-radius: 50%;
  box-shadow:
    0 0 0 4px rgba(20, 120, 255, 0.1),
    0 4px 12px rgba(20, 120, 255, 0.2);
}

.opennas-session-container {
  z-index: 2;
  align-self: center;
  width: min(100%, 470px) !important;
  max-width: 470px !important;
  min-height: 0 !important;
  padding: 1.5rem 0 !important;
  margin: 0 !important;
  animation: opennas-card-arrive 480ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.opennas-session-grid {
  display: flex !important;
  flex-direction: column !important;
  justify-content: center !important;
  width: 100% !important;
  min-height: 0 !important;
  height: auto !important;
}

.opennas-session-card-wrap {
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

.opennas-session-card {
  position: relative;
  width: 100% !important;
  overflow: hidden;
  color: var(--opennas-ink) !important;
  background: var(--opennas-glass) !important;
  border: 1px solid var(--opennas-line);
  border-radius: 1.75rem !important;
  box-shadow:
    0 32px 90px rgba(26, 68, 130, 0.18),
    0 8px 28px rgba(29, 57, 102, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.72) !important;
  backdrop-filter: blur(30px) saturate(175%);
  -webkit-backdrop-filter: blur(30px) saturate(175%);
}

.opennas-session-card::before {
  position: absolute;
  inset: 0;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.42), transparent 34%),
    radial-gradient(circle at 100% 0, rgba(67, 192, 237, 0.12), transparent 30%);
}

.opennas-session-card > * {
  position: relative;
  z-index: 1;
}

.opennas-session-brand-row {
  align-items: center !important;
}

.opennas-session-brand-row img {
  width: auto !important;
  max-width: 10rem;
  height: 2.35rem !important;
  object-fit: contain;
}

.opennas-session-brand-row .MuiIconButton-root {
  color: #58677d;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(109, 133, 170, 0.16);
  box-shadow: 0 5px 16px rgba(42, 76, 128, 0.06);
}

.opennas-session-card h6 {
  color: var(--opennas-ink);
  font-size: clamp(1.65rem, 3.5vw, 2rem);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.opennas-session-card .MuiInputLabel-root,
.opennas-session-card .MuiFormLabel-root {
  color: #62728a;
  font-weight: 520;
}

.opennas-session-card .MuiOutlinedInput-root {
  min-height: 3.5rem;
  color: var(--opennas-ink);
  background: rgba(248, 251, 255, 0.68);
  border-radius: 1rem;
  transition:
    background-color 180ms ease-out,
    box-shadow 180ms ease-out,
    transform 120ms ease-out;
}

.opennas-session-card .MuiOutlinedInput-notchedOutline {
  border-color: rgba(92, 117, 156, 0.26);
  transition: border-color 180ms ease-out;
}

.opennas-session-card .MuiOutlinedInput-root:hover {
  background: rgba(255, 255, 255, 0.82);
}

.opennas-session-card .MuiOutlinedInput-root:hover .MuiOutlinedInput-notchedOutline {
  border-color: rgba(53, 113, 205, 0.42);
}

.opennas-session-card .MuiOutlinedInput-root.Mui-focused {
  background: rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 4px rgba(20, 120, 255, 0.12),
    0 10px 24px rgba(35, 90, 174, 0.08);
}

.opennas-session-card
  .MuiOutlinedInput-root.Mui-focused
  .MuiOutlinedInput-notchedOutline {
  border-color: var(--opennas-blue);
  border-width: 1.5px;
}

.opennas-session-card .MuiButton-root {
  min-height: 3.25rem;
  border-radius: 1rem;
  font-weight: 650;
  letter-spacing: 0.005em;
  transition:
    transform 100ms ease-out,
    box-shadow 180ms ease-out,
    background-color 180ms ease-out;
}

.opennas-session-card .MuiButton-containedPrimary {
  color: #fff;
  background: linear-gradient(135deg, #087ff5 0%, #2d64e9 52%, #5b55df 100%);
  box-shadow:
    0 14px 30px rgba(39, 101, 225, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.opennas-session-card .MuiButton-containedPrimary:hover {
  background: linear-gradient(135deg, #0877e8 0%, #295bd5 52%, #504bcf 100%);
  box-shadow:
    0 17px 34px rgba(39, 101, 225, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.24);
}

.opennas-session-card .MuiButton-outlinedPrimary {
  color: #1767cf;
  background: rgba(255, 255, 255, 0.38);
  border-color: rgba(23, 103, 207, 0.42);
}

.opennas-session-card .MuiButton-root:active,
.opennas-session-card .MuiIconButton-root:active {
  transform: scale(0.975);
}

.opennas-session-card a {
  color: #176ed4;
  font-weight: 600;
  text-underline-offset: 0.18em;
}

.opennas-session-card .MuiDivider-root {
  border-color: rgba(77, 102, 141, 0.16);
}

.opennas-session-footer {
  margin-top: 0.85rem !important;
  opacity: 0.54;
  transition: opacity 160ms ease-out;
}

.opennas-session-footer:hover {
  opacity: 0.82;
}

.opennas-session-footer a {
  color: #42536c !important;
  text-decoration: none;
}

@keyframes opennas-card-arrive {
  from {
    opacity: 0;
    filter: blur(7px);
    transform: translateY(12px) scale(0.985);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0) scale(1);
  }
}

@keyframes opennas-story-arrive {
  from {
    opacity: 0;
    transform: translateX(-14px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes opennas-story-copy-signin {
  from {
    opacity: 0.25;
    filter: blur(4px);
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@keyframes opennas-story-copy-signup {
  from {
    opacity: 0.25;
    filter: blur(4px);
    transform: translateY(7px);
  }
  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .opennas-session-shell {
    display: flex !important;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 5vw, 3rem) !important;
  }

  .opennas-session-story {
    display: none;
  }

  .opennas-session-container {
    width: min(100%, 470px) !important;
    margin: auto !important;
  }
}

@media (max-width: 520px) {
  .opennas-session-shell {
    align-items: flex-start;
    min-height: 100dvh !important;
    padding: 0.8rem !important;
    background:
      radial-gradient(circle at 8% 10%, rgba(37, 147, 255, 0.27), transparent 34%),
      radial-gradient(circle at 92% 24%, rgba(79, 217, 223, 0.2), transparent 31%),
      linear-gradient(150deg, #f7fbff, #eef4ff 56%, #f8faff);
  }

  .opennas-session-shell::after {
    background-size: 44px 44px;
    opacity: 0.28;
  }

  .opennas-session-container {
    padding: 0.75rem 0 !important;
  }

  .opennas-session-card {
    border-radius: 1.4rem !important;
    box-shadow:
      0 22px 60px rgba(26, 68, 130, 0.15),
      0 5px 18px rgba(29, 57, 102, 0.08) !important;
  }

  .opennas-session-brand-row img {
    max-width: 9rem;
    height: 2.1rem !important;
  }

  .opennas-session-card h6 {
    font-size: 1.55rem;
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --opennas-ink: #f3f7ff;
    --opennas-muted: #aebbd0;
    --opennas-line: rgba(175, 202, 240, 0.16);
    --opennas-glass: rgba(15, 25, 43, 0.78);
  }

  html.opennas-session-page body {
    background: #09111f;
  }

  .opennas-session-shell {
    background:
      radial-gradient(circle at 14% 18%, rgba(25, 112, 216, 0.32), transparent 31%),
      radial-gradient(circle at 80% 16%, rgba(26, 163, 177, 0.22), transparent 28%),
      radial-gradient(circle at 66% 84%, rgba(79, 61, 180, 0.2), transparent 33%),
      linear-gradient(145deg, #0b1423 0%, #101a2b 50%, #0a1424 100%);
  }

  .opennas-session-shell::after {
    opacity: 0.18;
  }

  .opennas-session-story,
  .opennas-session-card h6 {
    color: var(--opennas-ink);
  }

  .opennas-session-story {
    --opennas-story-accent: #73b8ff;
    --opennas-story-accent-soft: #a79aff;
  }

  .opennas-session-story[data-session-mode="signup"] {
    --opennas-story-accent: #a99dff;
    --opennas-story-accent-soft: #6ce0ef;
  }

  .opennas-session-story__context {
    color: #b7c6dc;
  }

  .opennas-session-story__feature {
    color: #dbe8fb;
    background: rgba(18, 35, 59, 0.62);
    border-color: rgba(151, 188, 239, 0.14);
  }

  .opennas-session-card .MuiOutlinedInput-root {
    color: var(--opennas-ink);
    background: rgba(8, 18, 33, 0.52);
  }

  .opennas-session-card .MuiOutlinedInput-root:hover,
  .opennas-session-card .MuiOutlinedInput-root.Mui-focused {
    background: rgba(10, 22, 39, 0.82);
  }

  .opennas-session-card .MuiInputLabel-root,
  .opennas-session-card .MuiFormLabel-root {
    color: #a9b8ce;
  }

  .opennas-session-footer a {
    color: #b8c6d9 !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .opennas-session-story,
  .opennas-session-story__body,
  .opennas-session-container {
    animation: none !important;
  }

  .opennas-session-card *,
  .opennas-session-footer {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .opennas-session-card {
    background: #fff !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .opennas-session-story__feature {
    background: #f7faff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  .opennas-session-story__title-focus {
    color: var(--opennas-story-accent);
    background: none;
    -webkit-text-fill-color: currentColor;
  }

  .opennas-session-card {
    background: #fff !important;
    border: 2px solid #234d82;
  }

  .opennas-session-card .MuiOutlinedInput-notchedOutline {
    border-color: #365b8f;
  }
}