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

/* === Theme: Dark (default, Copilot CLI-inspired) === */
[data-theme="dark"] {
  --bg: #0d1117;
  --text: #e6edf3;
  --prompt: #58a6ff;
  --cmd: #7ee787;
  --accent: #f0883e;
  --border: #30363d;
  --top-bar-bg: #161b22;
  --cursor-color: #58a6ff;
  --selection: rgba(88, 166, 255, 0.2);
  --muted: #8b949e;
}

/* === Theme: Light === */
[data-theme="light"] {
  --bg: #ffffff;
  --text: #24292f;
  --prompt: #0969da;
  --cmd: #116329;
  --accent: #bc4c00;
  --border: #d0d7de;
  --top-bar-bg: #f6f8fa;
  --cursor-color: #0969da;
  --selection: rgba(9, 105, 218, 0.15);
  --muted: #57606a;
}

/* === Theme: Solarized === */
[data-theme="solarized"] {
  --bg: #002b36;
  --text: #839496;
  --prompt: #268bd2;
  --cmd: #859900;
  --accent: #cb4b16;
  --border: #073642;
  --top-bar-bg: #073642;
  --cursor-color: #268bd2;
  --selection: rgba(38, 139, 210, 0.2);
  --muted: #586e75;
}

/* === Theme: Monokai === */
[data-theme="monokai"] {
  --bg: #272822;
  --text: #f8f8f2;
  --prompt: #66d9ef;
  --cmd: #a6e22e;
  --accent: #fd971f;
  --border: #3e3d32;
  --top-bar-bg: #1e1f1c;
  --cursor-color: #66d9ef;
  --selection: rgba(102, 217, 239, 0.2);
  --muted: #75715e;
}

/* === Base === */
html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "JetBrains Mono", "SF Mono", "Cascadia Code", "Fira Code", "Consolas", monospace;
  font-size: clamp(14px, 2.2vw, 16px);
  line-height: 1.5;
}

::selection {
  background: var(--selection);
}

/* === Terminal Container === */
#terminal {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-width: 960px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  #terminal {
    margin: 16px auto;
    height: calc(100vh - 32px);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  }
}

/* === Top Bar === */
#top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--top-bar-bg);
  border-bottom: 1px solid var(--border);
  font-size: 0.85em;
  flex-shrink: 0;
}

#terminal-title {
  color: var(--muted);
  flex: 1;
}

#theme-indicator {
  color: var(--muted);
  font-size: 0.85em;
}

#help-hint {
  color: var(--muted);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
}

#help-hint:hover {
  opacity: 1;
}

/* === Output Area === */
#output {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

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

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

#output .accent-text {
  color: var(--accent);
}

#output .muted-text {
  color: var(--muted);
}

#output .output-block {
  margin-bottom: 8px;
}

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

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

/* === Input Line === */
#input-line {
  display: flex;
  align-items: center;
  padding: 8px 16px 12px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.prompt {
  color: var(--prompt);
  white-space: nowrap;
  user-select: none;
}

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

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

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

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

/* === Shortcut Bar === */
#shortcut-bar {
  display: none;
  gap: 6px;
  padding: 6px 12px;
  background: var(--top-bar-bg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
  overflow-x: auto;
}

#shortcut-bar button {
  background: var(--bg);
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 12px;
  font-family: inherit;
  font-size: 0.8em;
  cursor: pointer;
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

#shortcut-bar button:active {
  background: var(--border);
  color: var(--text);
}

/* === Mobile === */
@media (max-width: 767px) {
  #top-bar {
    padding: 6px 12px;
  }

  #output {
    padding: 12px;
  }

  #input-line {
    padding: 6px 12px 10px;
  }

  #shortcut-bar {
    display: flex;
  }
}