@import url("https://fonts.googleapis.com/css2?family=Bebas+Neue&family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@400;500;600;700&display=swap");

:root {
  --background: #f6f7fc;
  --background-strong: #eef1fb;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --border: rgba(9, 17, 38, 0.12);
  --border-strong: rgba(9, 17, 38, 0.18);
  --foreground: #0b1120;
  --muted: #60667a;
  --muted-strong: #41495f;
  --accent: #8b35ff;
  --accent-secondary: #1098ff;
  --accent-soft: rgba(139, 53, 255, 0.12);
  --success: #0b7f5f;
  --danger: #c13d64;
  --shadow: 0 30px 80px rgba(11, 17, 32, 0.1);
  --shadow-soft: 0 18px 44px rgba(11, 17, 32, 0.08);
  --font-sans: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;
  --font-display: "Bebas Neue", Impact, sans-serif;
  --radius-lg: 1.35rem;
  --radius-md: 0.95rem;
  --radius-sm: 0.7rem;
  --rail-width: 5.5rem;
  --content-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--foreground);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at 18% 12%, rgba(139, 53, 255, 0.18), transparent 18%),
    radial-gradient(circle at 88% 12%, rgba(16, 152, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #fafbff 0%, #f2f4fb 48%, #eef2fb 100%);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

.noise-overlay,
.grid-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.noise-overlay {
  z-index: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.grid-bg {
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(9, 17, 38, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(9, 17, 38, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.3));
}

.site-rail {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 20;
  width: var(--rail-width);
  height: 100vh;
  padding: 1.5rem 0.75rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  border-right: 1px solid rgba(9, 17, 38, 0.08);
  background: rgba(246, 247, 252, 0.74);
  backdrop-filter: blur(18px);
}

.site-mark {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
}

.site-mark-glow {
  position: absolute;
  inset: -0.7rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(139, 53, 255, 0.28) 0%, rgba(139, 53, 255, 0) 72%);
  filter: blur(10px);
}

.site-mark-chip {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border-radius: 0.85rem;
  background: linear-gradient(180deg, #0d1239 0%, #111a4f 55%, #2130a1 100%);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  box-shadow: 0 16px 32px rgba(16, 24, 64, 0.28);
}

.site-nav-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.35rem;
}

.site-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  min-width: 2.5rem;
  padding: 0.25rem 0;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  transition: color 150ms ease, transform 150ms ease;
}

.site-nav-link:hover {
  color: var(--foreground);
  transform: translateY(-1px);
}

.site-nav-link.is-active {
  color: var(--accent);
}

.site-nav-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 999px;
  background: rgba(96, 102, 122, 0.45);
  transition: transform 180ms ease, background 180ms ease;
}

.site-nav-link.is-active .site-nav-dot {
  background: var(--accent);
  box-shadow: 0 0 0 0.38rem var(--accent-soft);
  transform: scale(1.18);
}

.site-nav-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

.site-rail-meta {
  display: grid;
  gap: 0.6rem;
  justify-items: center;
}

.site-rail-tag,
.site-rail-stack {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  line-height: 1.45;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-align: center;
  color: var(--muted);
}

.site-rail-tag {
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted-strong);
}

.site-mobile-header,
.site-mobile-nav {
  display: none;
}

.site-main {
  position: relative;
  z-index: 1;
  padding: 2rem 2rem 2rem calc(var(--rail-width) + 2rem);
}

.shell {
  width: min(var(--content-width), 100%);
  margin: 0 auto;
}

.shell-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow-soft);
}

.shell-status-shell {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  min-width: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.shell-status-label {
  color: var(--foreground);
  white-space: nowrap;
}

.shell-status-divider {
  width: 2rem;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
}

.shell-status-copy {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.shell-status-chip,
.status-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(139, 53, 255, 0.14), rgba(16, 152, 255, 0.12));
  border: 1px solid rgba(139, 53, 255, 0.2);
  color: var(--foreground);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-body {
  display: grid;
  gap: 1.35rem;
}

.footer-bar {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0 0.5rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-panel,
.data-card,
.form-panel,
.status-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9) 0%, rgba(249, 250, 255, 0.74) 100%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.hero-panel::before,
.data-card::before,
.form-panel::before,
.status-panel::before,
.signal-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(139, 53, 255, 0.6) 0%, rgba(16, 152, 255, 0.24) 52%, rgba(16, 152, 255, 0) 100%);
}

.hero-panel {
  padding: clamp(1.5rem, 4vw, 3rem);
}

.data-card,
.form-panel,
.status-panel {
  padding: 1.4rem;
}

.hero-panel h1,
.display-headline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: clamp(3.8rem, 10vw, 7.4rem);
  color: var(--foreground);
}

.data-card h2,
.form-panel h2,
.status-panel h2,
.signal-card h2,
.signal-card h3 {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: inherit;
}

.display-subline {
  margin: 0.85rem 0 0;
  max-width: 32rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 0.94;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-size: clamp(2.8rem, 6vw, 4.9rem);
  color: var(--foreground);
}

.lead-copy {
  max-width: 62ch;
  margin: 1.1rem 0 0;
  color: var(--muted-strong);
  font-size: 1rem;
  line-height: 1.7;
}

.kicker,
.eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-actions,
.button-row,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.hero-actions {
  margin-top: 1.6rem;
}

.button-link,
button {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  min-height: 44px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.8rem 1.15rem;
  background: var(--surface-strong);
  color: var(--foreground);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: transform 140ms ease, border-color 140ms ease, box-shadow 140ms ease, background 140ms ease, color 140ms ease;
}

.button-link:hover,
button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-soft);
}

.button-link.primary,
button.primary {
  border-color: rgba(139, 53, 255, 0.28);
  background: linear-gradient(135deg, #121948 0%, #1a2571 62%, #8b35ff 100%);
  color: #fff;
  box-shadow: 0 16px 40px rgba(66, 54, 169, 0.28);
}

.button-link.secondary,
button.secondary {
  background: rgba(9, 17, 38, 0.92);
  border-color: rgba(9, 17, 38, 0.9);
  color: #fff;
}

.button-link.ghost,
button.ghost {
  background: rgba(255, 255, 255, 0.64);
  color: var(--foreground);
}

.button-link[disabled],
button[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.panel-grid {
  display: grid;
  gap: 1.2rem;
}

.panel-grid.triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel-grid.two-up,
.auth-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.management-grid {
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
}

.landing-grid {
  grid-template-columns: minmax(0, 1.22fr) minmax(18rem, 0.78fr);
  align-items: stretch;
}

.signal-stack,
.signal-row {
  display: grid;
  gap: 0.9rem;
}

.signal-card {
  position: relative;
  overflow: hidden;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(9, 17, 38, 0.96) 0%, rgba(20, 30, 79, 0.96) 100%);
  color: #eef2ff;
  box-shadow: var(--shadow-soft);
}

.signal-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -35% auto;
  width: 6rem;
  height: 6rem;
  background: radial-gradient(circle, rgba(139, 53, 255, 0.5) 0%, rgba(139, 53, 255, 0) 72%);
}

.signal-card p {
  margin: 0.55rem 0 0;
  color: rgba(238, 242, 255, 0.72);
  line-height: 1.6;
}

.signal-number {
  display: block;
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(238, 242, 255, 0.64);
}

.signal-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.4rem;
}

.hero-panel--landing {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-panel--auth {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.form-panel-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.stack {
  display: grid;
  gap: 1rem;
}

.field {
  display: grid;
  gap: 0.42rem;
}

.field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 0.95rem;
  padding: 0.95rem 1rem;
  background: rgba(246, 247, 252, 0.92);
  color: var(--foreground);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.field textarea {
  min-height: 7rem;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #8d93a5;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: rgba(139, 53, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(139, 53, 255, 0.12);
}

.message {
  min-height: 1.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 1rem;
  background: rgba(244, 246, 252, 0.85);
  color: var(--muted-strong);
  line-height: 1.6;
}

.message.info {
  border-color: rgba(16, 152, 255, 0.18);
}

.message.success {
  border-color: rgba(11, 127, 95, 0.22);
  background: rgba(223, 248, 240, 0.85);
  color: var(--success);
}

.message.error {
  border-color: rgba(193, 61, 100, 0.24);
  background: rgba(254, 235, 241, 0.92);
  color: var(--danger);
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.definition-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.definition-grid div {
  padding: 0.9rem 0.95rem;
  border-radius: var(--radius-sm);
  background: rgba(247, 248, 252, 0.88);
  border: 1px solid var(--border);
}

.definition-grid dt {
  margin: 0 0 0.32rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.definition-grid dd {
  margin: 0;
  font-weight: 600;
  line-height: 1.4;
}

.section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-heading p {
  margin: 0.4rem 0 0;
  color: var(--muted-strong);
  line-height: 1.6;
}

.list-block {
  display: grid;
  gap: 0.75rem;
}

.list-item {
  padding: 1rem 1.05rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: rgba(248, 249, 253, 0.88);
}

.list-item header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.list-item strong {
  display: block;
}

.subtle {
  color: var(--muted);
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.inline-form select,
.inline-form input {
  min-width: 10rem;
}

.json-block {
  margin-top: 0.75rem;
  padding: 0.85rem;
  border-radius: 0.9rem;
  background: rgba(9, 17, 38, 0.96);
  color: #f3f5fb;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  overflow-x: auto;
}

.hidden {
  display: none !important;
}

.page-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.2rem;
}

.site-mobile-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--foreground);
}

.site-mobile-copy {
  display: grid;
  gap: 0.15rem;
}

.site-mobile-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.site-mobile-state {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--foreground);
}

:focus-visible {
  outline: 2px solid rgba(139, 53, 255, 0.55);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

@media (max-width: 1100px) {
  .panel-grid.triple,
  .panel-grid.two-up,
  .landing-grid,
  .auth-grid,
  .management-grid {
    grid-template-columns: 1fr;
  }

  .signal-row {
    grid-template-columns: 1fr;
  }

  .shell-statusbar,
  .footer-bar,
  .page-meta,
  .section-heading,
  .list-item header,
  .form-panel-header {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 900px) {
  .site-rail {
    display: none;
  }

  .site-mobile-header {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid rgba(9, 17, 38, 0.08);
    background: rgba(246, 247, 252, 0.82);
    backdrop-filter: blur(18px);
  }

  .site-mobile-brand .site-mark-chip {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.15rem;
  }

  .site-main {
    padding: 5.75rem 1rem 6.5rem;
  }

  .site-mobile-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 20;
    display: flex;
    gap: 0.6rem;
    padding: 0.85rem 1rem calc(0.85rem + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(9, 17, 38, 0.08);
    background: rgba(246, 247, 252, 0.9);
    backdrop-filter: blur(18px);
    overflow-x: auto;
  }

  .site-mobile-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.75rem 0.9rem;
    border: 1px solid transparent;
    border-radius: 999px;
    white-space: nowrap;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--muted);
  }

  .site-mobile-link.is-active {
    border-color: rgba(139, 53, 255, 0.18);
    background: rgba(139, 53, 255, 0.1);
    color: var(--accent);
  }

  .definition-grid {
    grid-template-columns: 1fr;
  }

  .shell-status-copy {
    white-space: normal;
  }
}

@media (max-width: 640px) {
  .shell {
    width: 100%;
  }

  .shell-statusbar {
    border-radius: 1.2rem;
  }

  .hero-panel,
  .data-card,
  .form-panel,
  .status-panel {
    border-radius: 1.2rem;
  }

  .hero-panel {
    padding: 1.35rem;
  }

  .data-card,
  .form-panel,
  .status-panel {
    padding: 1.15rem;
  }

  .hero-panel h1,
  .display-headline {
    font-size: clamp(3.1rem, 20vw, 4.8rem);
  }
}