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

:root {
  --bg: #0d1117;
  --green: #00ff88;
  --white: #e6edf3;
  --gray: #8b949e;
  --yellow: #ffa657;
  --cyan: #79c0ff;
  --red: #ff7b72;
  --title-bar-bg: #161b22;
  --border: #30363d;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--white);
  font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  font-size: 14px;
  line-height: 1.6;
}

#terminal-wrapper {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 960px;
  margin: 0 auto;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

#title-bar {
  display: flex;
  align-items: center;
  background: var(--title-bar-bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  flex-shrink: 0;
  user-select: none;
}

.window-buttons {
  display: flex;
  gap: 8px;
  margin-right: 16px;
}

.btn {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.btn-close   { background: #ff5f57; }
.btn-minimize { background: #febc2e; }
.btn-maximize { background: #28c840; }

.title-text {
  flex: 1;
  text-align: center;
  color: var(--gray);
  font-size: 12px;
}

#terminal {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
}

#output {
  flex: 1;
  white-space: pre-wrap;
  word-break: break-word;
}

#output .line {
  display: block;
  min-height: 1.6em;
}

#output .prompt-line {
  color: var(--green);
}

#output .comment {
  color: var(--gray);
}

#output .error {
  color: var(--red);
}

#output .cmd-name {
  color: var(--cyan);
}

#output .highlight {
  color: var(--green);
  font-weight: bold;
}

#output .warning {
  color: var(--yellow);
}

#output .success {
  color: var(--green);
}

#output a {
  color: var(--yellow);
  text-decoration: none;
}

#output a:hover {
  text-decoration: underline;
}

#output .project-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
  margin: 4px 0;
}

#output .project-item {
  color: var(--cyan);
}

#output .project-item .desc {
  color: var(--gray);
  font-size: 12px;
}

#output .section-title {
  color: var(--green);
  font-weight: bold;
  margin-bottom: 4px;
}

#output .label {
  color: var(--gray);
}

#output .value {
  color: var(--white);
}

#output .banner {
  color: var(--green);
  font-weight: bold;
}

#input-line {
  display: flex;
  align-items: center;
  margin-top: 8px;
  flex-shrink: 0;
}

.prompt {
  color: var(--green);
  white-space: nowrap;
  margin-right: 2px;
}

#cmd-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--white);
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  caret-color: var(--green);
}

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

#cmd-input::selection {
  background: var(--green);
  color: var(--bg);
}

::selection {
  background: var(--green);
  color: var(--bg);
}

/* Scrollbar */
#terminal::-webkit-scrollbar {
  width: 6px;
}

#terminal::-webkit-scrollbar-track {
  background: transparent;
}

#terminal::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

#terminal::-webkit-scrollbar-thumb:hover {
  background: var(--gray);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}

.line {
  animation: fadeIn 0.1s ease-out;
}

@media (max-width: 600px) {
  #output .project-grid {
    grid-template-columns: 1fr;
  }
  body {
    font-size: 12px;
  }
  #terminal {
    padding: 12px 14px;
  }
}