:root {
  --bg: #09111d;
  --bg2: #111e33;
  --card: rgba(13, 27, 46, 0.8);
  --border: rgba(140, 191, 255, 0.35);
  --text: #e8f1ff;
  --muted: #9fb5d3;
  --accent: #18d8ff;
  --accent-2: #ffc857;
  --danger: #ff6b6b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 18% 20%, #17315a 0%, transparent 34%),
    radial-gradient(circle at 78% 76%, #0f3f50 0%, transparent 30%),
    linear-gradient(165deg, var(--bg), var(--bg2));
  overflow: hidden;
}

.noise {
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.035) 0.6px, transparent 0.6px);
  background-size: 3px 3px;
  pointer-events: none;
  opacity: 0.25;
}

.grid-lines {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(rgba(36, 88, 152, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 88, 152, 0.2) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 30%, rgba(0, 0, 0, 1) 100%);
  pointer-events: none;
}

.glow {
  position: fixed;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.2;
  animation: drift 12s ease-in-out infinite;
  pointer-events: none;
}

.glow-a {
  background: #3ca0ff;
  top: -180px;
  left: -140px;
}

.glow-b {
  background: #00d4b3;
  bottom: -210px;
  right: -110px;
  animation-delay: -3.5s;
}

.login-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  grid-template-columns: minmax(320px, 460px) minmax(260px, 360px);
  padding: 1.2rem;
}

.login-panel,
.side-card {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--card);
  backdrop-filter: blur(8px);
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.34);
}

.login-panel {
  padding: 1.2rem 1.25rem;
  transform: translateY(10px);
  opacity: 0;
  animation: reveal 550ms ease-out forwards;
}

.side-card {
  padding: 1rem 1.1rem;
  transform: translateY(16px);
  opacity: 0;
  animation: reveal 650ms ease-out 80ms forwards;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.74rem;
  color: var(--accent-2);
}

h1 {
  margin: 0.35rem 0;
  font-size: clamp(1.6rem, 4vw, 2.35rem);
  line-height: 1.08;
}

.sub {
  margin: 0;
  color: var(--muted);
}

.login-form {
  margin-top: 1rem;
  display: grid;
  gap: 0.52rem;
}

label {
  font-size: 0.9rem;
  color: var(--muted);
}

input,
button {
  font: inherit;
}

input {
  border-radius: 10px;
  border: 1px solid #2c4a72;
  background: #0f2037;
  color: var(--text);
  padding: 0.7rem 0.75rem;
}

input:focus {
  outline: 2px solid rgba(24, 216, 255, 0.35);
  outline-offset: 1px;
}

button {
  margin-top: 0.3rem;
  border: 0;
  border-radius: 10px;
  padding: 0.72rem 0.9rem;
  font-weight: 700;
  cursor: pointer;
  color: #082d3c;
  background: linear-gradient(100deg, #16c4ff, #26e6c8);
  transition: transform 140ms ease, filter 140ms ease;
}

button:hover {
  transform: translateY(-1px);
  filter: brightness(1.07);
}

button:disabled {
  opacity: 0.68;
  cursor: not-allowed;
}

.error {
  min-height: 1.2rem;
  color: var(--danger);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.82rem;
  margin: 0.2rem 0 0;
}

.side-card h2 {
  margin: 0;
  font-size: 1.05rem;
}

.side-card ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
  color: var(--muted);
  display: grid;
  gap: 0.5rem;
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(16px);
  }
}

@media (max-width: 900px) {
  body {
    overflow: auto;
  }

  .login-shell {
    grid-template-columns: 1fr;
    align-content: center;
    padding: 1.1rem;
  }
}