:root {
  --bg: #02060d;
  --bg-deep: #040a13;
  --panel: rgba(10, 16, 27, 0.78);
  --panel-strong: rgba(11, 20, 35, 0.92);
  --panel-border: rgba(119, 206, 255, 0.18);
  --text: #eef7ff;
  --muted: #7e90a8;
  --muted-strong: #acc0d8;
  --accent: #39d7ff;
  --accent-strong: #4d8dff;
  --danger: #ff8799;
  --success: #8ff4c1;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.52);
  --radius-xl: 2rem;
  --radius-lg: 1.35rem;
  --radius-md: 1rem;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Manrope", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 16% 20%, rgba(57, 215, 255, 0.14), transparent 0 20rem),
    radial-gradient(circle at 80% 16%, rgba(77, 141, 255, 0.12), transparent 0 18rem),
    linear-gradient(140deg, #010308 0%, #040913 40%, #091321 100%);
  overflow-x: hidden;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  padding: 1.1rem;
  isolation: isolate;
}

.ambient,
.noise-overlay,
.mesh-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.ambient {
  z-index: -3;
  border-radius: 999px;
  filter: blur(60px);
  opacity: 0.72;
}

.ambient-one {
  top: 3rem;
  left: 3rem;
  width: 24rem;
  height: 24rem;
  inset: auto auto auto auto;
  background: rgba(87, 232, 255, 0.16);
}

.ambient-two {
  right: 6%;
  top: 16%;
  width: 22rem;
  height: 22rem;
  inset: auto auto auto auto;
  background: rgba(141, 108, 255, 0.2);
}

.ambient-three {
  left: 42%;
  bottom: 6%;
  width: 18rem;
  height: 18rem;
  inset: auto auto auto auto;
  background: rgba(87, 232, 255, 0.11);
}

.noise-overlay {
  z-index: -2;
  opacity: 0.06;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.18) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 40%, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px),
    radial-gradient(circle at 35% 75%, rgba(255, 255, 255, 0.16) 0 1px, transparent 1px);
  background-size: 180px 180px, 240px 240px, 210px 210px;
}

.mesh-overlay {
  z-index: -1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 35%, black 20%, transparent 80%);
}

.topbar {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0.6rem 0 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  color: inherit;
  text-decoration: none;
}

.brand-mark {
  width: 3.25rem;
  height: 3.25rem;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  background:
    linear-gradient(145deg, rgba(87, 232, 255, 0.9), rgba(141, 108, 255, 0.82));
  color: #04111a;
  font-family: "Orbitron", sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(87, 232, 255, 0.26);
}

.brand-copy {
  display: inline-flex;
  flex-direction: column;
  gap: 0.12rem;
}

.brand-copy strong {
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.brand-copy span {
  color: var(--muted);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topbar-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.7rem;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.6rem;
  padding: 0.65rem 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-strong);
  font-size: 0.88rem;
  backdrop-filter: blur(14px);
}

.meta-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--success);
  box-shadow: 0 0 12px rgba(143, 244, 193, 0.85);
}

.hero {
  max-width: 1320px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
  padding: 2rem 0 0.5rem;
}

.hero-visual {
  display: grid;
  place-items: center;
  min-height: 72vh;
}

.visual-shell {
  position: relative;
  width: min(74vh, 44rem);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.visual-shell::before,
.visual-shell::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.07);
}

.visual-shell::before {
  inset: 4%;
}

.visual-shell::after {
  inset: 14%;
}

.visual-ring,
.visual-core {
  position: absolute;
  border-radius: 50%;
}

.visual-ring {
  border: 1px solid rgba(147, 220, 255, 0.18);
  box-shadow: inset 0 0 32px rgba(57, 215, 255, 0.05);
}

.visual-ring-outer {
  inset: 0;
  animation: spin 40s linear infinite;
}

.visual-ring-middle {
  inset: 10%;
  animation: spin-reverse 28s linear infinite;
}

.visual-ring-inner {
  inset: 21%;
  animation: spin 20s linear infinite;
}

.visual-core {
  inset: 31%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 50% 40%, rgba(85, 206, 255, 0.95), rgba(52, 130, 255, 0.5) 38%, rgba(6, 20, 37, 0.96) 72%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  box-shadow:
    0 0 60px rgba(57, 215, 255, 0.24),
    inset 0 0 36px rgba(255, 255, 255, 0.16),
    inset 0 0 90px rgba(0, 0, 0, 0.28);
}

.visual-core-center {
  display: grid;
  place-items: center;
  gap: 0.45rem;
  text-align: center;
}

.visual-core-label {
  color: rgba(232, 245, 255, 0.78);
  font-size: 0.86rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.visual-core-time {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.visual-core-status {
  color: rgba(232, 245, 255, 0.72);
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.visual-node {
  position: absolute;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  border: 2px solid rgba(57, 215, 255, 0.75);
  background: rgba(2, 10, 18, 0.95);
  box-shadow: 0 0 16px rgba(57, 215, 255, 0.25);
}

.visual-node-one {
  top: 11%;
  left: 50%;
  transform: translateX(-50%);
}

.visual-node-two {
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
}

.visual-node-three {
  bottom: 10%;
  left: 50%;
  transform: translateX(-50%);
}

.visual-node-four {
  top: 50%;
  left: 8%;
  transform: translateY(-50%);
}

.login-stage {
  position: relative;
  min-height: 70vh;
  display: grid;
  place-items: center;
}

.login-panel {
  position: relative;
  width: 100%;
  max-width: 26rem;
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(11, 19, 31, 0.9), rgba(8, 14, 24, 0.86));
  border: 1px solid var(--panel-border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
}

.login-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    145deg,
    rgba(87, 232, 255, 0.4),
    rgba(141, 108, 255, 0.12),
    rgba(255, 255, 255, 0.06)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.panel-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.45rem;
}

.panel-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 800;
}

.login-panel h2 {
  margin: 0.42rem 0 0;
  font-family: "Orbitron", sans-serif;
  font-size: 1.35rem;
  line-height: 1.1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.82rem;
  min-height: 2.4rem;
  border-radius: 999px;
  border: 1px solid rgba(143, 244, 193, 0.14);
  background: rgba(143, 244, 193, 0.08);
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 700;
}

.login-form {
  display: grid;
  gap: 1rem;
}

.step-panel {
  display: grid;
  gap: 1rem;
}

.hidden {
  display: none !important;
}

.field {
  display: grid;
  gap: 0.55rem;
}

.field label {
  font-size: 0.78rem;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.field input {
  width: 100%;
  min-height: 3.45rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.98rem 1rem;
  font: inherit;
  outline: none;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.field input:focus {
  transform: translateY(-1px);
  border-color: rgba(87, 232, 255, 0.58);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 0 4px rgba(87, 232, 255, 0.11);
}

.field input::placeholder {
  color: #7085a0;
}

.field input:-webkit-autofill,
.field input:-webkit-autofill:hover,
.field input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text);
  caret-color: var(--text);
  -webkit-box-shadow: 0 0 0 1000px rgba(15, 22, 35, 0.96) inset;
  box-shadow: 0 0 0 1000px rgba(15, 22, 35, 0.96) inset;
  border: 1px solid rgba(87, 232, 255, 0.22);
  transition: background-color 9999s ease-out 0s;
}

.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.25rem 0 0.15rem;
}

.step-dot {
  width: 0.62rem;
  height: 0.62rem;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.05);
}

.step-dot.is-active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(57, 215, 255, 0.28);
}

.step-line {
  width: 2.3rem;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.primary-button {
  min-height: 3.5rem;
  margin-top: 0.1rem;
  border: 0;
  border-radius: 1rem;
  padding: 0.98rem 1.15rem;
  background:
    linear-gradient(135deg, rgba(87, 232, 255, 0.96), rgba(141, 108, 255, 0.9));
  color: #03131c;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 20px 46px rgba(87, 232, 255, 0.21);
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    opacity 180ms ease,
    filter 180ms ease;
}

.ghost-button {
  min-height: 3.5rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  padding: 0.98rem 1.15rem;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.ghost-button:hover {
  transform: translateY(-1px);
  border-color: rgba(87, 232, 255, 0.4);
  background: rgba(255, 255, 255, 0.06);
}

.primary-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 54px rgba(87, 232, 255, 0.26);
  filter: saturate(1.06);
}

.primary-button:active {
  transform: translateY(0);
}

.primary-button[disabled] {
  cursor: wait;
  opacity: 0.92;
}

.form-message {
  min-height: 1.35rem;
  margin: 0;
  color: var(--muted-strong);
  font-size: 0.88rem;
}

.form-message.error {
  color: var(--danger);
}

.form-message.success {
  color: var(--success);
}

.secondary-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes spin-reverse {
  from {
    transform: rotate(360deg);
  }
  to {
    transform: rotate(0deg);
  }
}

@media (max-width: 1180px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 1.5rem;
    align-items: center;
  }

  .hero-visual {
    min-height: auto;
  }

  .login-panel {
    max-width: 30rem;
  }
}

@media (max-width: 820px) {
  .page-shell {
    padding: 0.9rem;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-visual {
    order: 2;
  }

  .login-stage {
    order: 1;
  }

  .login-panel {
    max-width: none;
  }

  .visual-shell {
    width: min(78vw, 28rem);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 1.2rem;
  }

  .secondary-actions {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: center;
  }

  .topbar-meta {
    width: 100%;
    justify-content: space-between;
  }

  .brand-copy span {
    font-size: 0.76rem;
  }

  .visual-shell {
    width: min(86vw, 22rem);
  }

  .login-panel {
    padding: 1.15rem;
    border-radius: 1.45rem;
  }
}

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