/* ============================================================
   CODEX - Nostromo Terminal Aesthetic
   Ship computer database interface (MU/TH/UR 6000 style)
   ============================================================ */

/* --- Terminal Container --- */
/* Terminal colors derive from the active theme accent */
.codex-terminal {
  --codex-green: var(--cyan);
  --codex-amber: var(--green);
  --codex-dim: rgba(var(--accent-rgb), 0.35);
  --codex-bg: var(--bg-void);
  --codex-panel: var(--bg-panel);
  --codex-border: rgba(var(--accent-rgb), 0.18);
  --codex-glow: 0 0 8px rgba(var(--accent-rgb), 0.3);
  --codex-fs: 1;

  position: relative;
  min-height: 100%;
  padding: 0;
  background: var(--codex-bg);
  font-family: var(--font-mono);
  color: var(--codex-green);
  overflow-y: auto;
}

.codex-terminal[data-codex-size="small"]  { --codex-fs: 0.85; }
.codex-terminal[data-codex-size="large"]  { --codex-fs: 1.2; }

/* Font size toggle */
.codex-fontsize-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  position: absolute;
  right: var(--panel-padding);
  top: 14px;
}
.codex-fontsize-btn {
  appearance: none;
  border: 1px solid var(--codex-border);
  background: none;
  color: var(--codex-dim);
  font-family: var(--font-mono);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 2px;
  line-height: 1;
  transition: color 0.15s, border-color 0.15s;
}
.codex-fontsize-btn:hover {
  color: var(--codex-green);
  border-color: var(--codex-green);
}
.codex-fontsize-btn.active {
  color: var(--codex-amber);
  border-color: var(--codex-amber);
}
.codex-fontsize-btn[data-codex-size="small"]  { font-size: 0.6rem; }
.codex-fontsize-btn[data-codex-size="medium"] { font-size: 0.72rem; }
.codex-fontsize-btn[data-codex-size="large"]  { font-size: 0.84rem; }

/* Scanline overlay */
.codex-terminal::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 2;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 3px,
    rgba(0, 0, 0, 0.06) 3px,
    rgba(0, 0, 0, 0.06) 4px
  );
}

/* CRT vignette */
.codex-terminal::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(ellipse at center, transparent 55%, var(--scrim-50) 100%);
}

/* --- Boot Header --- */
.codex-boot {
  padding: 14px var(--panel-padding) 10px;
  border-bottom: 1px solid var(--codex-border);
  background: var(--codex-panel);
  position: relative;
}

.codex-boot::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.25), transparent);
}

.codex-boot-line {
  font-size: 0.62rem;
  color: var(--codex-dim);
  line-height: 1.6;
  letter-spacing: 0.08em;
}

.codex-boot-title {
  font-size: 1.2rem;
  color: var(--codex-green);
  text-shadow: var(--codex-glow), 0 0 20px rgba(var(--accent-rgb), 0.15);
  letter-spacing: 0.2em;
  margin: 6px 0 2px;
}

.codex-boot-sub {
  font-size: 0.66rem;
  color: var(--codex-amber);
  letter-spacing: 0.1em;
  opacity: 0.8;
}

/* --- Search Bar --- */
.codex-search-wrap {
  padding: 10px var(--panel-padding);
  border-bottom: 1px solid var(--codex-border);
  background: var(--codex-panel);
  position: sticky;
  top: 0;
  z-index: 10;
}

.codex-search {
  width: 100%;
  background: var(--scrim-50);
  border: 1px solid var(--codex-border);
  color: var(--codex-green);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 8px 12px 8px 32px;
  border-radius: 2px;
  outline: none;
  letter-spacing: 0.04em;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.codex-search::placeholder {
  color: var(--codex-dim);
}

.codex-search:focus {
  border-color: var(--codex-green);
  box-shadow: var(--codex-glow), inset 0 0 12px rgba(var(--accent-rgb), 0.05);
}

.codex-search-icon {
  position: absolute;
  left: calc(var(--panel-padding) + 10px);
  top: 22px;
  width: 14px;
  height: 14px;
  color: var(--codex-dim);
  pointer-events: none;
}

.codex-search-results {
  padding: 6px 0 0;
  font-size: 0.68rem;
  color: var(--codex-dim);
  min-height: 1em;
}

/* --- Index / TOC --- */
.codex-index {
  padding: 10px var(--panel-padding) 16px;
}

.codex-index-title {
  font-size: 0.64rem;
  color: var(--codex-amber);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
  opacity: 0.8;
}

.codex-toc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
}

.codex-toc-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: none;
  border: none;
  border-left: 2px solid var(--codex-border);
  color: var(--codex-green);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: left;
  width: 100%;
  letter-spacing: 0.03em;
}

.codex-toc-item:hover {
  background: rgba(var(--accent-rgb), 0.05);
  border-left-color: var(--codex-green);
  color: var(--codex-green);
}

.codex-toc-item.active {
  background: rgba(var(--accent-rgb), 0.08);
  border-left-color: var(--codex-amber);
  color: var(--codex-amber);
  text-shadow: 0 0 6px rgba(var(--accent-rgb), 0.15);
}

.codex-toc-num {
  color: var(--codex-dim);
  font-size: 0.64rem;
  min-width: 20px;
  flex-shrink: 0;
}

.codex-toc-label {
  flex: 1;
  min-width: 0;
  line-height: 1.25;
}

/* --- Content Sections --- */
.codex-content {
  padding: 0 var(--panel-padding) calc(var(--nav-height) + var(--ticker-height) + var(--bottom-sai, 0px) + 80px);
  position: relative;
}

/* CRT scan bar sweeping top to bottom */
.codex-content::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  pointer-events: none;
  z-index: 3;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(var(--accent-rgb), 0.04) 40%,
    rgba(var(--accent-rgb), 0.07) 50%,
    rgba(var(--accent-rgb), 0.04) 60%,
    transparent 100%
  );
  animation: none;
}

.codex-content.codex-scan-active::before {
  animation: codexScanBar 3s linear 1 forwards;
}

@keyframes codexScanBar {
  0%   { transform: translateY(-60px); }
  100% { transform: translateY(calc(100vh + 60px)); }
}

.codex-section {
  display: none;
  padding: 16px 0;
  animation: codexFadeIn 0.3s ease-out;
}

.codex-section.active {
  display: block;
}

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

.codex-section-header {
  font-size: calc(0.72rem * var(--codex-fs));
  color: var(--codex-amber);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--codex-border);
  margin-bottom: 14px;
  text-shadow: 0 0 6px rgba(var(--accent-rgb), 0.12);
}

.codex-section-header::before {
  content: '> ';
  color: var(--codex-dim);
}

.codex-text {
  font-size: calc(0.78rem * var(--codex-fs));
  line-height: 1.7;
  color: rgba(var(--accent-rgb), 0.85);
  margin-bottom: 12px;
}

.codex-text strong {
  color: var(--codex-green);
  text-shadow: 0 0 4px rgba(var(--accent-rgb), 0.2);
}

.codex-text em {
  color: var(--codex-amber);
  font-style: normal;
}

/* Subsection headers */
.codex-sub {
  font-size: calc(0.74rem * var(--codex-fs));
  color: var(--codex-amber);
  letter-spacing: 0.06em;
  margin: 18px 0 8px;
  padding-left: 10px;
  border-left: 2px solid var(--codex-amber);
  text-shadow: 0 0 6px rgba(var(--accent-rgb), 0.1);
}

/* Data tables */
.codex-table-wrap {
  overflow-x: auto;
  margin: 10px 0 14px;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

/* Right fade on scrollable tables (mobile hint) */
.codex-table-wrap::after {
  content: '';
  position: sticky;
  right: 0;
  top: 0;
  bottom: 0;
  width: 24px;
  background: linear-gradient(90deg, transparent, var(--codex-bg));
  pointer-events: none;
  float: right;
  height: 100%;
  margin-top: -100%;
}

.codex-table {
  width: 100%;
  border-collapse: collapse;
  font-size: calc(0.7rem * var(--codex-fs));
  min-width: 420px;
  table-layout: fixed;
}

.codex-table th {
  text-align: left;
  padding: 6px 8px;
  background: rgba(var(--accent-rgb), 0.06);
  color: var(--codex-amber);
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.2);
  font-weight: normal;
  letter-spacing: 0.06em;
  white-space: nowrap;
  position: sticky;
  top: 0;
}

/* 2-column stat tables: fixed label column */
.codex-table th:first-child:nth-last-child(2) {
  width: 40%;
}

.codex-table td {
  padding: 5px 8px;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.06);
  color: rgba(var(--accent-rgb), 0.8);
  vertical-align: top;
  overflow-wrap: break-word;
}

.codex-table tr:hover td {
  background: rgba(var(--accent-rgb), 0.04);
}

/* Highlighted values */
.codex-val {
  color: var(--codex-green);
  text-shadow: 0 0 4px rgba(var(--accent-rgb), 0.15);
}

.codex-warn {
  color: var(--codex-amber);
}

.codex-rare {
  color: var(--red);
}

/* Terminal-style lists */
.codex-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 14px;
}

.codex-list li {
  padding: 4px 0 4px 18px;
  position: relative;
  font-size: calc(0.76rem * var(--codex-fs));
  color: rgba(var(--accent-rgb), 0.8);
  line-height: 1.55;
}

.codex-list li::before {
  content: '\25B8';
  position: absolute;
  left: 2px;
  color: var(--codex-dim);
  font-size: 0.65rem;
}

/* ASCII dividers */
.codex-divider {
  color: var(--codex-dim);
  font-size: 0.65rem;
  margin: 12px 0;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 0.1em;
}

/* Code/formula blocks */
.codex-code {
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--codex-border);
  border-left: 2px solid var(--codex-green);
  padding: 10px 14px;
  margin: 10px 0 14px;
  font-size: calc(0.7rem * var(--codex-fs));
  color: var(--codex-green);
  line-height: 1.55;
  overflow-x: auto;
  white-space: pre;
  text-shadow: 0 0 4px rgba(var(--accent-rgb), 0.1);
}

/* Blinking cursor */
.codex-cursor::after {
  content: '\2588';
  animation: codexBlink 1s step-end infinite;
  color: var(--codex-green);
}

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

/* Back to index button */
.codex-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  margin-top: 20px;
  background: rgba(var(--accent-rgb), 0.06);
  border: 1px solid var(--codex-border);
  color: var(--codex-green);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.04em;
}

.codex-back:hover {
  background: rgba(var(--accent-rgb), 0.12);
  border-color: var(--codex-green);
  text-shadow: var(--codex-glow);
}

/* Search highlight */
.codex-highlight {
  background: rgba(var(--accent-rgb), 0.25);
  color: var(--codex-amber);
  padding: 0 2px;
  border-radius: 1px;
}

/* Search results list */
.codex-search-list {
  padding: 8px 0 0;
}

.codex-search-hit {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 10px;
  margin-bottom: 2px;
  background: none;
  border: none;
  border-left: 2px solid var(--codex-border);
  color: var(--codex-green);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  cursor: pointer;
  transition: all 0.15s;
}

.codex-search-hit:hover {
  background: rgba(var(--accent-rgb), 0.05);
  border-left-color: var(--codex-amber);
}

.codex-search-hit-section {
  color: var(--codex-amber);
  font-size: 0.66rem;
  display: block;
  margin-bottom: 2px;
  letter-spacing: 0.06em;
}

.codex-search-hit-excerpt {
  color: rgba(var(--accent-rgb), 0.55);
  font-size: 0.68rem;
}

/* --- Desktop: sidebar + main panel --- */
@media (min-width: 1024px) {
  .codex-terminal {
    display: grid;
    grid-template-columns: 500px 1fr;
    grid-template-rows: auto 1fr;
  }

  .codex-boot {
    grid-column: 1 / -1;
  }

  .codex-sidebar {
    grid-row: 2;
    grid-column: 1;
    border-right: 1px solid var(--codex-border);
    position: sticky;
    top: 0;
    max-height: calc(100vh - var(--topbar-height) - var(--nav-height) - var(--ticker-height) - 60px);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.2);
  }

  .codex-sidebar .codex-search-wrap {
    position: relative;
    flex-shrink: 0;
  }

  .codex-sidebar .codex-index {
    flex: 1;
    overflow-y: auto;
  }

  .codex-main {
    grid-row: 2;
    grid-column: 2;
    min-height: 0;
    overflow-y: auto;
    max-height: calc(100vh - var(--topbar-height) - var(--nav-height) - var(--ticker-height) - 60px);
    padding-left: 8px;
  }

  .codex-mobile-top {
    display: none;
  }

  /* Remove table right-fade on desktop (enough space) */
  .codex-table-wrap::after {
    display: none;
  }
}

/* --- Mobile sidebar toggle button --- */
.codex-sidebar-toggle {
  display: none;
}

.codex-sidebar-backdrop {
  display: none;
}

/* --- Mobile layout switching --- */
@media (max-width: 1023px) {
  /* Full-viewport takeover above the sticky topbar (z-index 100) */
  #screen-codex.active {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    background: var(--bg-void, #06060f);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-top: env(safe-area-inset-top, 0px);
    padding-bottom: calc(var(--nav-height, 48px) + var(--bottom-sai, 0px));
    animation: none;
  }
  #screen-codex.active .codex-terminal {
    min-height: 0;
  }

  .codex-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    max-width: 80vw;
    z-index: 1100;
    background: var(--codex-bg);
    border-right: 1px solid var(--codex-border);
    box-shadow: 4px 0 24px var(--scrim-60);
    backdrop-filter: blur(12px);
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    flex-direction: column;
  }

  .codex-sidebar.open {
    display: flex;
    transform: translateX(0);
  }

  .codex-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1099;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
  }

  .codex-sidebar-backdrop.open {
    display: block;
  }

  .codex-sidebar-toggle {
    display: none;
    position: fixed;
    top: calc(var(--banner-offset, 0px) + var(--topbar-height, 48px) + env(safe-area-inset-top, 0px) + 8px);
    left: 10px;
    z-index: 1050;
    width: 40px;
    height: 40px;
    border-radius: 4px;
    border: 1px solid var(--codex-border);
    background: rgba(6, 6, 15, 0.85);
    backdrop-filter: blur(var(--blur-lg));
    color: var(--codex-green);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--codex-glow);
    transition: border-color 0.2s, box-shadow 0.2s;
    padding: 0;
  }

  .codex-sidebar-toggle:hover,
  .codex-sidebar-toggle:active {
    border-color: var(--codex-green);
    box-shadow: var(--codex-glow), 0 0 16px rgba(var(--accent-rgb), 0.2);
  }

  .codex-terminal.codex-section-open .codex-sidebar-toggle {
    display: flex;
  }

  .codex-main {
    display: none;
  }

  .codex-terminal.codex-section-open .codex-mobile-top {
    display: none;
  }

  .codex-terminal.codex-section-open .codex-main {
    display: block;
  }
}

/* Landscape mobile: compact boot header and 4-col TOC so the whole index
   fits without scrolling under the sticky topbar */
@media (max-width: 1023px) and (orientation: landscape) {
  .codex-boot {
    padding: 6px var(--panel-padding) 4px;
  }
  .codex-boot-line { display: none; }
  .codex-boot-sub { display: none; }
  .codex-boot-title { font-size: 0.95rem; margin: 0; }
  .codex-fontsize-wrap { top: 6px; }

  .codex-mobile-top .codex-toc {
    grid-template-columns: repeat(4, 1fr);
  }
  .codex-mobile-top .codex-toc-item {
    padding: 5px 8px;
    font-size: 0.68rem;
  }
}

/* ============================================================
   CODEX - Visual Cards (Buildings, Ships, Defenses)
   ============================================================ */

.codex-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin: 12px 0 20px;
}

.codex-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, rgba(var(--accent-rgb), 0.06) 0%, var(--codex-panel) 60%);
  border: 1px solid var(--codex-border);
  border-radius: 3px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  cursor: pointer;
}
.codex-card:hover {
  border-color: var(--codex-green);
  box-shadow: var(--codex-glow), inset 0 0 30px rgba(var(--accent-rgb), 0.04);
  transform: translateY(-2px);
  text-decoration: none;
}

.codex-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--scrim-40);
}
.codex-card-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 40%;
  background: linear-gradient(transparent, var(--codex-panel));
  pointer-events: none;
}
.codex-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity 0.2s, transform 0.3s;
}
.codex-card:hover .codex-card-img {
  opacity: 1;
  transform: scale(1.05);
}

.codex-card-body {
  padding: 8px 10px 10px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.codex-card-name {
  font-size: calc(0.78rem * var(--codex-fs));
  color: var(--codex-green);
  line-height: 1.2;
  text-shadow: 0 0 6px rgba(var(--accent-rgb), 0.3);
}
.codex-card-meta {
  font-size: calc(0.65rem * var(--codex-fs));
  color: var(--codex-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Rarity border accent */
.codex-card[data-rarity="uncommon"] { border-top: 2px solid #22c55e; }
.codex-card[data-rarity="rare"] { border-top: 2px solid #3b82f6; }
.codex-card[data-rarity="epic"] { border-top: 2px solid #a855f7; }
.codex-card[data-rarity="legendary"] { border-top: 2px solid #f59e0b; }

/* Section hero banners */
.codex-hero {
  position: relative;
  width: 100%;
  height: 120px;
  overflow: hidden;
  margin: -8px 0 16px;
  border-radius: 3px;
  border: 1px solid var(--codex-border);
}
.codex-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}
.codex-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--codex-bg) 10%, transparent 40%, transparent 60%, var(--codex-bg) 90%),
              linear-gradient(180deg, transparent, var(--codex-bg));
}
.codex-hero-title {
  position: absolute;
  bottom: 12px; left: 16px;
  font-size: 1.1rem;
  color: var(--codex-green);
  text-shadow: 0 0 12px rgba(var(--accent-rgb), 0.5);
  z-index: 1;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* Lore quote blocks */
.codex-quote {
  border-left: 2px solid var(--codex-green);
  padding: 10px 14px;
  margin: 12px 0;
  background: rgba(var(--accent-rgb), 0.03);
  font-style: italic;
  color: var(--codex-dim);
  line-height: 1.6;
}
.codex-quote-author {
  display: block;
  margin-top: 6px;
  font-style: normal;
  color: var(--codex-green);
  font-size: 0.8rem;
}

@media (min-width: 768px) {
  .codex-card-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  }
}
@media (min-width: 1200px) {
  .codex-card-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  }
}