:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #05070d;
  --panel: rgba(9, 18, 32, 0.9);
  --line: rgba(112, 199, 255, 0.22);
  --line-strong: rgba(94, 234, 212, 0.42);
  --text: #e8f2ff;
  --muted: #91a4bc;
  --cyan: #44d7ff;
  --teal: #2ef0c2;
}

* {
  box-sizing: border-box;
}

body {
  background:
    radial-gradient(circle at 18% 8%, rgba(68, 215, 255, 0.18), transparent 28rem),
    radial-gradient(circle at 88% 16%, rgba(46, 240, 194, 0.12), transparent 24rem),
    linear-gradient(135deg, rgba(68, 215, 255, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(45deg, rgba(46, 240, 194, 0.05) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, #05070d 0%, #07111d 54%, #05070d 100%);
  background-attachment: fixed;
  background-size: auto, auto, 54px 54px, 84px 84px, auto;
  color: var(--text);
  margin: 0;
  min-height: 100vh;
}

body::before {
  background:
    linear-gradient(90deg, transparent 0 72%, rgba(68, 215, 255, 0.08) 72% 73%, transparent 73% 100%),
    linear-gradient(180deg, transparent 0 68%, rgba(46, 240, 194, 0.07) 68% 69%, transparent 69% 100%);
  content: "";
  inset: 0;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 82%);
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

.login-shell {
  align-items: center;
  display: grid;
  min-height: 100vh;
  padding: 1.25rem;
}

.login-panel {
  background:
    linear-gradient(180deg, rgba(68, 215, 255, 0.08), transparent 9rem),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.04);
  display: grid;
  gap: 1.2rem;
  margin: 0 auto;
  max-width: 31rem;
  padding: clamp(1.1rem, 4vw, 1.6rem);
  position: relative;
  width: min(100%, 31rem);
}

.login-panel::before {
  border-left: 1px solid var(--cyan);
  border-top: 1px solid var(--cyan);
  content: "";
  height: 18px;
  left: -1px;
  opacity: 0.8;
  position: absolute;
  top: -1px;
  width: 18px;
}

.brand-logo {
  display: block;
  height: auto;
  max-width: min(21rem, 100%);
}

.eyebrow {
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 0 0 0.25rem;
  text-transform: uppercase;
}

h1 {
  color: #f5fbff;
  font-size: clamp(1.75rem, 7vw, 2.45rem);
  line-height: 1.06;
  margin: 0 0 0.55rem;
}

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

.google-button {
  align-items: center;
  background: linear-gradient(135deg, #13b8e8, #20d59f);
  border: 1px solid rgba(108, 255, 227, 0.52);
  border-radius: 6px;
  box-shadow: 0 10px 34px rgba(32, 213, 159, 0.18);
  color: #03101a;
  display: inline-flex;
  font-weight: 800;
  gap: 0.6rem;
  justify-content: center;
  min-height: 2.7rem;
  padding: 0.58rem 0.9rem;
  text-decoration: none;
}

.google-button:hover {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 3px rgba(68, 215, 255, 0.12), 0 10px 34px rgba(32, 213, 159, 0.2);
}

.google-mark {
  align-items: center;
  background: #ffffff;
  border-radius: 50%;
  color: #1f2937;
  display: inline-flex;
  font-weight: 900;
  height: 1.35rem;
  justify-content: center;
  line-height: 1;
  width: 1.35rem;
}
