:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #07110f;
  color: #f4f8f7;
  font-synthesis: none;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 14%, rgba(0, 255, 190, 0.15), transparent 30rem),
    radial-gradient(circle at 12% 86%, rgba(121, 196, 177, 0.12), transparent 34rem),
    #07110f;
}

button, input { font: inherit; }

.login-shell {
  position: relative;
  display: grid;
  min-height: 100dvh;
  place-items: center;
  overflow: hidden;
  padding: clamp(1rem, 4vw, 4rem);
}

.login-shell::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 3.2rem 3.2rem;
  mask-image: linear-gradient(to bottom, black, transparent 78%);
  content: "";
}

.login-atmosphere,
.login-atmosphere i {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.login-atmosphere { inset: 0; }

.login-atmosphere i {
  border: 1px solid rgba(0, 255, 190, 0.2);
  box-shadow: inset 0 0 4rem rgba(0, 255, 190, 0.05), 0 0 6rem rgba(0, 255, 190, 0.04);
}

.login-atmosphere i:nth-child(1) { width: 34rem; height: 34rem; top: -17rem; right: -7rem; }
.login-atmosphere i:nth-child(2) { width: 20rem; height: 20rem; right: 18%; bottom: -12rem; }
.login-atmosphere i:nth-child(3) { width: 9rem; height: 9rem; left: 7%; top: 18%; }

.login-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 38rem);
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: linear-gradient(145deg, rgba(19, 35, 31, 0.9), rgba(8, 17, 15, 0.94));
  box-shadow: 0 2rem 7rem rgba(0, 0, 0, 0.42);
  backdrop-filter: blur(24px);
}

.login-brand,
.login-panel footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.11);
}

.login-brand img { width: 7rem; height: auto; }

.login-brand span,
.login-panel footer {
  color: rgba(244, 248, 247, 0.58);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.login-copy { padding: clamp(1.4rem, 5vw, 2.7rem) clamp(1.4rem, 5vw, 2.7rem) 1.2rem; }

.login-kicker {
  margin: 0 0 1.2rem;
  color: #00ffbe;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.login-copy h1 {
  max-width: 12ch;
  margin: 0;
  font-size: clamp(2.05rem, 7vw, 4.4rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
}

.login-copy > p:last-child {
  max-width: 36rem;
  margin: 1.35rem 0 0;
  color: rgba(244, 248, 247, 0.68);
  line-height: 1.6;
}

.login-error {
  margin: 0 2.7rem 1rem;
  border-left: 3px solid #00ffbe;
  padding: 0.85rem 1rem;
  background: rgba(0, 255, 190, 0.08);
  color: #eafbf6;
  font-size: 0.86rem;
  line-height: 1.45;
}

.login-form {
  display: grid;
  gap: 1rem;
  padding: 0.8rem clamp(1.4rem, 5vw, 2.7rem) clamp(1.7rem, 5vw, 2.7rem);
}

.login-form label { display: grid; gap: 0.45rem; }

.login-form label span {
  color: rgba(244, 248, 247, 0.66);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.login-form input {
  width: 100%;
  min-height: 3.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 0;
  outline: 0;
  padding: 0.8rem 1rem;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.login-form input:focus {
  border-color: #00ffbe;
  box-shadow: 0 0 0 3px rgba(0, 255, 190, 0.13);
}

.login-form button,
.login-back {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.6rem;
  border: 0;
  margin-top: 0.35rem;
  padding: 0.9rem 1.1rem;
  background: #00ffbe;
  color: #07110f;
  font-weight: 800;
  letter-spacing: -0.015em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.login-form button:hover,
.login-back:hover { transform: translateY(-2px); box-shadow: 0 0.7rem 2.4rem rgba(0, 255, 190, 0.18); }

.login-form button:focus-visible,
.login-back:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

.login-form button:disabled,
.login-form input:disabled { cursor: not-allowed; opacity: 0.46; }

.login-panel footer {
  border-top: 1px solid rgba(255, 255, 255, 0.11);
  border-bottom: 0;
}

.login-panel footer span { color: #00ffbe; font-weight: 800; }

.login-panel--message .login-copy h1 { max-width: 15ch; }
.login-panel--message .login-back { margin: 0 2.7rem 2.7rem; }

@media (max-width: 560px) {
  .login-shell { padding: 0.75rem; place-items: stretch; }
  .login-panel { align-self: center; }
  .login-brand span { max-width: 12rem; text-align: right; }
  .login-error { margin-inline: 1.4rem; }
  .login-panel--message .login-back { margin-inline: 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}