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

:root {
  --bg:           #0d1117;
  --surface:      #161b22;
  --surface2:     #21262d;
  --border:       #30363d;
  --accent:       #58a6ff;
  --accent2:      #3fb950;
  --warn:         #d29922;
  --danger:       #f85149;
  --text:         #c9d1d9;
  --text-muted:   #8b949e;
  --term-bg:      #0d1117;
  --term-green:   #39d353;
  --term-prompt:  #58a6ff;
  --term-error:   #f85149;
  --term-cmd:     #e3b341;
  --radius:       8px;
  --font-mono:    "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
  --font-ui:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

html { font-size: 15px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.6;
  min-height: 100vh;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surface); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== Header ===== */
header {
  background: linear-gradient(135deg, #161b22 0%, #0d1117 100%);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.header-title h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.header-title p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  font-size: 0.82rem;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover { background: var(--surface); border-color: var(--accent); color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #0d1117; font-weight: 600; }
.btn-primary:hover { background: #79c0ff; border-color: #79c0ff; color: #0d1117; }

/* Search box */
.search-wrap {
  position: relative;
}

.search-wrap svg {
  position: absolute;
  left: 0.6rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

#search {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  padding: 0.45rem 0.75rem 0.45rem 2rem;
  border-radius: var(--radius);
  width: 220px;
  outline: none;
  transition: border-color 0.2s;
}

#search:focus { border-color: var(--accent); }
#search::placeholder { color: var(--text-muted); }

/* ===== Layout ===== */
.app-layout {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr auto;
  min-height: calc(100vh - 69px);
}

.main-content {
  padding: 1.5rem 2rem;
}

/* ===== Category filter pills ===== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.filter-pill {
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.2s;
}

.filter-pill:hover { border-color: var(--accent); color: var(--accent); }
.filter-pill.active { background: var(--accent); border-color: var(--accent); color: #0d1117; font-weight: 600; }

/* ===== Command Grid ===== */
.commands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.2rem;
}

/* ===== Category Card ===== */
.cat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s;
}

.cat-card:hover { border-color: var(--accent); }

.cat-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
}

.cat-icon {
  font-size: 1.1rem;
  width: 28px;
  text-align: center;
}

.cat-title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.cat-count {
  margin-left: auto;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: var(--border);
  padding: 0.15rem 0.5rem;
  border-radius: 100px;
}

/* ===== Command row ===== */
.cmd-list { padding: 0.35rem 0; }

.cmd-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 0.6rem;
  padding: 0.55rem 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}

.cmd-row:last-child { border-bottom: none; }
.cmd-row:hover { background: var(--surface2); }

.cmd-name {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--term-cmd);
  font-weight: 600;
  min-width: 80px;
}

.cmd-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.cmd-actions {
  display: flex;
  gap: 0.3rem;
  opacity: 0;
  transition: opacity 0.15s;
}

.cmd-row:hover .cmd-actions { opacity: 1; }

.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.2rem 0.35rem;
  font-size: 0.7rem;
  transition: all 0.15s;
  white-space: nowrap;
}

.icon-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--surface); }
.icon-btn.run:hover { border-color: var(--accent2); color: var(--accent2); }

/* ===== No results ===== */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.no-results svg { margin-bottom: 0.75rem; color: var(--border); }
.no-results p { font-size: 0.9rem; }

/* ===== Terminal Panel ===== */
#terminal-panel {
  background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 340px;
  transition: height 0.3s ease;
  position: sticky;
  bottom: 0;
  z-index: 90;
}

#terminal-panel.collapsed { height: 42px; overflow: hidden; }
#terminal-panel.expanded  { height: 460px; }

.term-topbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0 1rem;
  height: 42px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  user-select: none;
  cursor: default;
}

.term-dots { display: flex; gap: 5px; }
.term-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.term-dot.red    { background: var(--danger); }
.term-dot.yellow { background: var(--warn); }
.term-dot.green  { background: var(--accent2); }

.term-title {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  margin-left: 0.25rem;
}

.term-controls {
  margin-left: auto;
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.term-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.term-toggle-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}

.term-toggle-btn:hover { color: var(--text); background: var(--border); }

.term-clear-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  transition: all 0.15s;
  font-family: var(--font-ui);
}

.term-clear-btn:hover { border-color: var(--danger); color: var(--danger); }

/* Terminal output area */
.term-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 1rem 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--term-bg);
}

.term-line { margin-bottom: 2px; white-space: pre-wrap; word-break: break-all; }
.term-line.prompt { color: var(--term-prompt); }
.term-line.output { color: var(--text); }
.term-line.error  { color: var(--term-error); }
.term-line.info   { color: var(--text-muted); }
.term-line.success{ color: var(--term-green); }
.term-line.cmd    { color: var(--term-cmd); }

/* Terminal input row */
.term-input-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--term-bg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.term-prompt-label {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--term-prompt);
  white-space: nowrap;
  flex-shrink: 0;
}

#term-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  caret-color: var(--accent);
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 360px;
  right: 1.5rem;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  color: var(--text);
  z-index: 200;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}

.toast.show { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 720px) {
  header { padding: 0.85rem 1rem; flex-wrap: wrap; }
  .header-actions { gap: 0.4rem; }
  #search { width: 150px; }
  .main-content { padding: 1rem; }
  .commands-grid { grid-template-columns: 1fr; }
  #terminal-panel { height: 280px; }
  #terminal-panel.expanded { height: 380px; }
  .term-hint { display: none; }
}