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

:root {
  --bg: #f5f5f5;
  --card-bg: #fff;
  --text: #111;
  --text-muted: #555;
  --border: #111;
  --shadow: 4px 4px 0 #111;
  --shadow-lg: 6px 6px 0 #111;
  --radius: 0;
  --font: 'SF Mono', 'Fira Code', 'Cascadia Code', 'JetBrains Mono', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ── Header ── */
header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem;
  border: 3px solid var(--border);
  box-shadow: var(--shadow-lg);
  background: var(--card-bg);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h1 .thin {
  font-weight: 300;
  font-size: 0.5em;
  letter-spacing: 0.15em;
  display: block;
  margin-top: 0.25em;
}

.subtitle {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ── Quick Pick Section ── */
.quick-pick {
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  border: 3px solid var(--border);
  box-shadow: var(--shadow);
  background: var(--card-bg);
}

.quick-pick h2 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 0.25rem;
}

.section-desc {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-bottom: 1rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.4rem 0.8rem;
  border: 2px solid var(--border);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  position: relative;
  background: var(--card-bg);
}

.tag:hover {
  background: var(--text);
  color: var(--card-bg);
  box-shadow: var(--shadow);
  transform: translate(-2px, -2px);
}

.tag:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: var(--card-bg);
  padding: 0.3rem 0.6rem;
  font-size: 0.65rem;
  font-weight: 400;
  white-space: nowrap;
  border: 2px solid var(--border);
  z-index: 10;
}

/* ── Card Grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.card {
  border: 3px solid var(--border);
  padding: 1.5rem;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  transition: all 0.15s;
  position: relative;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translate(-2px, -2px);
}

.card.featured {
  border-width: 4px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.card-number {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
}

.card-cmd {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border: 2px solid var(--border);
  background: var(--bg);
}

.card h3 {
  font-size: 1.1rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

.card-use {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* ── Phases ── */
.phases {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 1rem;
  padding: 0.75rem;
  background: var(--bg);
  border: 2px solid var(--border);
}

.phase {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border: 2px solid var(--border);
  background: var(--card-bg);
  letter-spacing: 0.03em;
}

.phase.red {
  background: var(--text);
  color: var(--card-bg);
}

.phase.green {
  background: var(--text);
  color: var(--card-bg);
}

.arrow {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ── Card Details ── */
.card-details {
  margin-bottom: 0.75rem;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid #ddd;
}

.detail-row:last-child {
  border-bottom: none;
}

.label {
  font-weight: 700;
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: 1rem;
}

.detail-row span:last-child {
  text-align: right;
}

/* ── Card Commands ── */
.card-commands {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 2px solid var(--border);
}

.card-commands code {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  background: var(--bg);
  border: 1px solid #ddd;
  cursor: pointer;
  transition: all 0.1s;
}

.card-commands code:hover {
  background: var(--text);
  color: var(--card-bg);
  border-color: var(--text);
}

.card-commands code.copied {
  background: var(--text);
  color: var(--card-bg);
}

/* ── Setup Section ── */
.setup-section {
  margin-bottom: 2rem;
}

.setup-section h2 {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 3px solid var(--border);
}

.setup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.setup-card {
  border: 3px solid var(--border);
  padding: 1.25rem;
  background: var(--card-bg);
  box-shadow: var(--shadow);
}

.setup-card h4 {
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.setup-card ul {
  list-style: none;
}

.setup-card li {
  font-size: 0.75rem;
  padding: 0.3rem 0;
  border-bottom: 1px solid #eee;
}

.setup-card li:last-child {
  border-bottom: none;
}

.hook-type {
  font-weight: 700;
  font-size: 0.65rem;
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--border);
  margin-right: 0.4rem;
  background: var(--bg);
}

.setup-card code {
  font-size: 0.7rem;
  background: var(--bg);
  padding: 0.1rem 0.3rem;
  border: 1px solid #ddd;
}

.small {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ── Status Demo ── */
.status-demo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 0.75rem;
  background: var(--text);
  color: var(--card-bg);
  border: 2px solid var(--border);
}

.bar {
  width: 60px;
  height: 8px;
  background: #333;
  position: relative;
}

.bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 34%;
  background: #aaa;
}

/* ── Decision Tree ── */
.tree {
  font-size: 0.75rem;
}

.tree-node.root {
  font-weight: 700;
  padding: 0.4rem 0.6rem;
  background: var(--text);
  color: var(--card-bg);
  text-align: center;
  margin-bottom: 0.75rem;
  border: 2px solid var(--border);
}

.tree-branches {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.tree-branch {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.3rem 0.5rem;
  border: 1px solid #ddd;
  transition: all 0.1s;
}

.tree-branch:hover {
  border-color: var(--border);
  background: var(--bg);
}

.tree-label {
  font-size: 0.7rem;
}

.tree-result {
  font-weight: 700;
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border: 2px solid var(--border);
  background: var(--card-bg);
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 1.5rem;
  border-top: 3px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .container { padding: 1rem; }
  .grid { grid-template-columns: 1fr; }
  .setup-grid { grid-template-columns: 1fr; }
  .phases { gap: 0.2rem; }
  .status-demo { flex-wrap: wrap; }
}

/* ── Search ── */
.search-bar {
  margin-bottom: 1.5rem;
  position: relative;
}

.search-bar input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.85rem;
  border: 3px solid var(--border);
  background: var(--card-bg);
  box-shadow: var(--shadow);
  outline: none;
}

.search-bar input:focus {
  box-shadow: var(--shadow-lg);
  transform: translate(-2px, -2px);
}

.search-bar input::placeholder {
  color: #aaa;
}

/* ── Copy Toast ── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--text);
  color: var(--card-bg);
  padding: 0.5rem 1rem;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  border: 3px solid var(--border);
  transition: transform 0.2s;
  z-index: 100;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}