body {
  background: #000000;
  color: #00ff9c;
  font-family: monospace;
  margin: 0;
}

/* layout */
.center {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.column {
  flex-direction: column;
}

/* home */
.box {
  text-align: center;
  max-width: 760px;
  padding: 40px 24px;
}

h1 {
  margin: 0 0 10px 0;
  font-size: 2.2rem;
  font-weight: normal;
  letter-spacing: 0.04em;
}

.subtitle {
  margin: 0 0 24px 0;
  opacity: 0.7;
  font-size: 1rem;
}

.manifesto {
  margin: 0 0 28px 0;
  opacity: 0.9;
  line-height: 1.75;
  font-size: 1rem;
}

/* terminal */
.terminal {
  width: 760px;
  height: 480px;
  border: 1px solid #00ff9c;
  box-shadow: 0 0 18px rgba(0, 255, 156, 0.12);
  padding: 18px 18px 14px 18px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  background: #020402;
}

#output {
  flex: 1;
  overflow-y: auto;
  white-space: pre-wrap;
  line-height: 1.55;
  padding-right: 6px;
}

/* scrollbar subtil */
#output::-webkit-scrollbar {
  width: 8px;
}

#output::-webkit-scrollbar-track {
  background: #050805;
}

#output::-webkit-scrollbar-thumb {
  background: #174b36;
}

#output::-webkit-scrollbar-thumb:hover {
  background: #1f6648;
}

/* cada linha do terminal */
#output div {
  margin: 0 0 0.28rem 0;
}

/* linhas do sistema / comentários */
.sugestao {
  color: #7d9488;
  font-style: italic;
  font-size: 0.94em;
  opacity: 0.9;
}

/* input */
.input-line {
  display: flex;
  align-items: center;
  border-top: 1px solid rgba(0, 255, 156, 0.16);
  margin-top: 12px;
  padding-top: 12px;
}

.prompt {
  margin-right: 8px;
  color: #00ff9c;
  opacity: 0.95;
}

input {
  background: transparent;
  border: none;
  color: #d8ffe9;
  outline: none;
  flex: 1;
  caret-color: #00ff9c;
  font-family: monospace;
  font-size: 1rem;
  line-height: 1.4;
}

/* cursor visual */
.cursor {
  width: 8px;
  height: 16px;
  background: #00ff9c;
  margin-left: 6px;
  animation: blink 1s infinite;
  flex-shrink: 0;
}

@keyframes blink {
  0% { opacity: 1; }
  50% { opacity: 0.05; }
  100% { opacity: 1; }
}

/* botões */
button {
  background: transparent;
  border: 1px solid #00ff9c;
  color: #00ff9c;
  padding: 9px 14px;
  cursor: pointer;
  font-family: monospace;
  font-size: 0.95rem;
  transition: background 0.15s ease, color 0.15s ease, opacity 0.15s ease;
}

button:hover {
  background: #00ff9c;
  color: #000000;
}

.controls {
  margin-top: 16px;
  text-align: center;
}

.hidden {
  display: none;
}