/* =====================================================================
   Xyzzy Apps — Slop-Free Technical Index & Repository Registry
   Brutalist / Minimalist / High-Density Engineering Interface
   ===================================================================== */

:root {
  --bg: #090b0e;
  --bg-surface: #101318;
  --bg-surface-elevated: #161a22;
  --bg-hover: #1c212c;
  
  --border: #222733;
  --border-bright: #373e4f;
  --border-accent: #00ff88;
  
  --text: #f0f3f6;
  --text-muted: #8c95a2;
  --text-dim: #535c69;
  
  --accent-green: #00ff88;
  --accent-green-bg: rgba(0, 255, 136, 0.08);
  --accent-amber: #fbbf24;
  --accent-cyan: #38bdf8;
  
  --font-mono: ui-monospace, 'JetBrains Mono', 'SF Mono', Menlo, Monaco, Consolas, 'Courier New', monospace;
  --line-height: 1.5;
}

[data-theme="light"] {
  --bg: #fbfbf9;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f3f3f0;
  --bg-hover: #eaeae5;
  
  --border: #d5d7dc;
  --border-bright: #9ea3ae;
  --border-accent: #008a4b;
  
  --text: #111418;
  --text-muted: #57606a;
  --text-dim: #8c95a0;
  
  --accent-green: #008a4b;
  --accent-green-bg: rgba(0, 138, 75, 0.08);
  --accent-amber: #b45309;
  --accent-cyan: #0284c7;
}

/* Force-kill all rounded corners & fluffy shadows (The Anti-Slop Directive) */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* Selection */
::selection {
  background-color: var(--accent-green);
  color: #000000;
}

/* Base typography */
a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

/* Layout container */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Status Bar / System Header */
.system-status-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0;
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}

.status-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.status-coords {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.status-tag {
  color: var(--text);
  font-weight: 700;
}

.status-tag-active {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent-green);
}

.status-tag-active::before {
  content: '●';
  font-size: 0.75rem;
}

.status-links {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-link {
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-link:hover {
  color: var(--text);
  background-color: var(--bg-hover);
}

.theme-toggle-btn {
  padding: 0.15rem 0.5rem;
  border: 1px solid var(--border);
  font-size: 0.75rem;
}

.theme-toggle-btn:hover {
  border-color: var(--border-bright);
}

/* Hero Section */
.hero-section {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border);
}

.hero-breadcrumbs {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.hero-title .accent-text {
  color: var(--accent-green);
}

.hero-summary {
  color: var(--text-muted);
  max-width: 850px;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.75rem;
}

/* System Metrics Table */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--border);
  background: var(--bg-surface);
}

.metric-cell {
  padding: 0.85rem 1.25rem;
  border-right: 1px solid var(--border);
}

.metric-cell:last-child {
  border-right: none;
}

.metric-val {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.metric-cell.highlight .metric-val {
  color: var(--accent-green);
}

.metric-lbl {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

/* Controls & Filter Panel */
.controls-section {
  position: sticky;
  top: 0;
  z-index: 99;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
}

.search-command-row {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.search-field {
  flex: 1;
  min-width: 280px;
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
}

.search-field:focus-within {
  border-color: var(--accent-green);
}

.search-prompt {
  color: var(--accent-green);
  font-weight: 700;
  margin-right: 0.5rem;
  user-select: none;
}

#searchInput {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

.search-clear {
  color: var(--text-dim);
  font-size: 1.1rem;
  padding: 0 0.35rem;
}

.search-clear:hover {
  color: var(--text);
}

.filter-selects {
  display: flex;
  gap: 0.5rem;
}

.filter-select {
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
}

.filter-select:focus {
  border-color: var(--border-bright);
}

/* View Mode Switcher */
.view-switch {
  display: flex;
  border: 1px solid var(--border);
}

.view-btn {
  padding: 0.5rem 0.75rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  background: var(--bg-surface);
  color: var(--text-muted);
}

.view-btn.active {
  background: var(--bg-hover);
  color: var(--text);
  font-weight: 700;
}

/* Category Filter Tabs */
.filter-tabs {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  scrollbar-width: thin;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  white-space: nowrap;
  color: var(--text-muted);
}

.tab-btn:hover {
  color: var(--text);
  border-color: var(--border-bright);
}

.tab-btn.active {
  background: var(--bg-hover);
  border-color: var(--text);
  color: var(--text);
  font-weight: 700;
}

.tab-btn.tab-pages {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.tab-btn.tab-pages.active {
  background: var(--accent-green);
  color: #000000;
}

.tab-count {
  color: var(--text-dim);
}

.tab-btn.active .tab-count {
  color: inherit;
}

/* Filter Summary Bar */
.filter-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-dim);
}

.reset-link {
  color: var(--accent-green);
  text-decoration: underline;
  cursor: pointer;
}

/* Main Content Area */
.main-content {
  padding: 2.5rem 0 4rem;
}

/* Category Block (Grouped View) */
.category-block {
  margin-bottom: 3.5rem;
}

.category-header {
  border-top: 2px solid var(--text);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.category-title-wrap {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.category-num {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.category-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.category-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  width: 100%;
  margin-top: 0.25rem;
}

.category-counts {
  display: flex;
  gap: 0.5rem;
  font-size: 0.75rem;
}

.count-pill {
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--text-muted);
}

.count-pill.pages {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

/* Flat Grid Banner */
.flat-banner {
  border: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.flat-banner h3 {
  font-size: 1rem;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.flat-banner p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1px; /* 1px gap reveals underlying border */
  background: var(--border);
  border: 1px solid var(--border);
}

/* Project Entry Card (High-Density, Slop-Free) */
.project-card {
  background: var(--bg-surface);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: background-color 0.1s ease;
}

.project-card:hover {
  background: var(--bg-hover);
}

.project-card.has-page {
  border-left: 2px solid var(--accent-green);
}

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

.project-name-group {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.project-name {
  font-size: 1.1rem;
  font-weight: 700;
}

.project-name a {
  color: var(--text);
}

.project-name a:hover {
  color: var(--accent-green);
  text-decoration: underline;
}

.page-badge-link {
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  background: var(--accent-green-bg);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-badge-link:hover {
  background: var(--accent-green);
  color: #000000;
}

.spotlight-pill {
  font-size: 0.7rem;
  color: var(--accent-amber);
  border: 1px solid var(--accent-amber);
  padding: 0.05rem 0.35rem;
  text-transform: uppercase;
}

.card-meta-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.lang-tag {
  color: var(--text-muted);
}

.star-count {
  color: var(--accent-amber);
  font-weight: 600;
}

.project-desc {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 1rem;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tag-code {
  font-size: 0.7rem;
  color: var(--text-dim);
  background: var(--bg);
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  cursor: pointer;
}

.tag-code:hover {
  color: var(--text);
  border-color: var(--border-bright);
}

/* Card Action Strip */
.card-actions-strip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
}

.action-link {
  color: var(--text-muted);
  font-weight: 600;
}

.action-link:hover {
  color: var(--text);
  text-decoration: underline;
}

.action-link-page {
  color: var(--accent-green);
  font-weight: 700;
}

.action-link-page:hover {
  text-decoration: underline;
}

.action-btn-copy {
  margin-left: auto;
  color: var(--text-dim);
  padding: 0.1rem 0.35rem;
  border: 1px solid var(--border);
  font-size: 0.7rem;
}

.action-btn-copy:hover {
  color: var(--text);
  border-color: var(--border-bright);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  border: 1px dashed var(--border-bright);
  background: var(--bg-surface);
  margin: 2rem 0;
}

.empty-state h3 {
  font-size: 1.1rem;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.btn-reset-empty {
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--accent-green);
  color: var(--accent-green);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.btn-reset-empty:hover {
  background: var(--accent-green);
  color: #000000;
}

/* Technical Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
}

.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-window {
  background: var(--bg-surface);
  border: 1px solid var(--border-bright);
  max-width: 620px;
  width: 100%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2rem;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 1.25rem;
  color: var(--text-muted);
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--border);
}

.modal-close:hover {
  color: var(--text);
  border-color: var(--text);
}

.modal-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.modal-title-row {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.modal-repo-name {
  font-size: 1.4rem;
  font-weight: 700;
}

.modal-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.modal-code-box {
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
}

.modal-copy-btn {
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
}

.modal-copy-btn:hover {
  background: var(--accent-green);
  color: #000;
}

.modal-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  font-size: 0.75rem;
  border: 1px solid var(--border);
  padding: 0.75rem;
  background: var(--bg);
}

.modal-detail-item {
  display: flex;
  flex-direction: column;
}

.modal-detail-lbl {
  color: var(--text-dim);
  text-transform: uppercase;
}

.modal-detail-val {
  color: var(--text);
  font-weight: 600;
}

.modal-btn-row {
  display: flex;
  gap: 0.75rem;
}

.btn-primary-action {
  padding: 0.5rem 1rem;
  background: var(--accent-green);
  color: #000000;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.btn-primary-action:hover {
  background: #ffffff;
}

.btn-secondary-action {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-bright);
  color: var(--text);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.btn-secondary-action:hover {
  background: var(--bg-hover);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--accent-green);
  color: var(--text);
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  z-index: 1100;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg-surface);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer-links a {
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--text);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 840px) {
  .metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .metric-cell:nth-child(2) {
    border-right: none;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .search-command-row {
    flex-direction: column;
    align-items: stretch;
  }
  .filter-selects {
    flex-direction: column;
  }
}