*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: #0d0d0d;
  color: #fff;
  font-family: system-ui, -apple-system, sans-serif;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #c8ff47;
  text-transform: uppercase;
  margin-bottom: 4px;
}

h1 {
  font-size: 26px;
  font-weight: 700;
}

.subtitle {
  font-size: 15px;
  color: rgba(255,255,255,0.45);
  margin-bottom: 12px;
}

form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 8px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.6);
}

input {
  background: #181818;
  border: 1px solid #2c2c2c;
  color: #fff;
  padding: 11px 14px;
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

input::placeholder { color: #444; }
input:focus { border-color: #555; }

button {
  background: #c8ff47;
  color: #0d0d0d;
  font-weight: 700;
  font-size: 15px;
  border: none;
  padding: 12px;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 4px;
  transition: opacity 0.15s;
}

button:hover { opacity: 0.9; }
button:disabled { opacity: 0.5; cursor: default; }

.error {
  font-size: 13px;
  color: #ff6b6b;
}

.hidden { display: none; }