:root {
  --bg-top: #0a1230;
  --bg-bottom: #12224a;
  --ink: #e8e6d8;
  --glow: #ffe27a;
  --error: #f28e8e;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login {
  width: min(360px, 90vw);
  text-align: center;
}

.login__firefly {
  width: 64px;
  height: 64px;
  margin: 0 auto 32px;
  filter: drop-shadow(0 0 16px rgba(255, 226, 122, 0.6));
}

.login__form { display: flex; flex-direction: column; gap: 12px; }

.login__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.6;
}

.login__input {
  padding: 14px 16px;
  border: 1px solid rgba(232, 230, 216, 0.2);
  border-radius: 6px;
  background: rgba(0, 0, 0, 0.25);
  color: var(--ink);
  font-size: 16px;
  font-family: inherit;
  outline: none;
  transition: border-color 200ms ease;
}
.login__input:focus {
  border-color: var(--glow);
  box-shadow: 0 0 0 3px rgba(255, 226, 122, 0.15);
}

.login__button {
  padding: 12px 16px;
  border: none;
  border-radius: 6px;
  background: var(--glow);
  color: #2a2410;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 200ms ease;
}
.login__button:hover {
  box-shadow: 0 0 20px rgba(255, 226, 122, 0.4);
}
.login__button:active { transform: translateY(1px); }

.login__error {
  margin: 6px 0 0;
  color: var(--error);
  font-size: 13px;
}