/* ===========================================================================
   Trap DB — redstone-schematic dark theme
   =========================================================================== */

:root {
  --bg: #0a0c0f;
  --bg-raised: #12151a;
  --bg-inset: #0d0f13;
  --bg-hover: #171b21;

  --rule: #24292f;
  --rule-strong: #363d47;

  --text: #e5e9ef;
  --text-dim: #9aa4b2;
  --text-faint: #5c6472;

  --accent: #d68a3c;
  --accent-strong: #e8a75c;

  --danger: #d9564b;
  --danger-strong: #ea6b60;
  --success: #4fb87a;

  --font-heading: "Space Grotesk", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --radius: 3px;
  --shell-max: 1240px;
}

* { box-sizing: border-box; }

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text);
  margin: 0 0 0.6em;
  letter-spacing: -0.01em;
}

h1 { font-size: 1.7rem; }
h3 { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dim); }
h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); }

p { margin: 0 0 1em; color: var(--text-dim); }

a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: var(--font-mono); }

:focus-visible {
  outline: 2px solid var(--accent-strong);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------------------------------------------------------
   Shell / header / footer
   --------------------------------------------------------------------------- */

.site-shell {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 1.75rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; }
.brand-mark { color: var(--accent); }
.brand-accent { color: var(--accent-strong); }

.site-nav { display: flex; gap: 1.5rem; align-items: center; }
.site-nav a {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--text); text-decoration: none; }
.site-nav a.is-active { color: var(--text); border-bottom-color: var(--accent); }

.site-main { flex: 1; }

.site-footer {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
  color: var(--text-faint);
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

/* ---------------------------------------------------------------------------
   Flash messages
   --------------------------------------------------------------------------- */

.flash-stack { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.flash {
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius);
  border: 1px solid var(--rule-strong);
  font-size: 0.9rem;
}
.flash-success { border-color: rgba(79, 184, 122, 0.4); color: var(--success); background: rgba(79, 184, 122, 0.08); }
.flash-error { border-color: rgba(217, 86, 75, 0.4); color: var(--danger-strong); background: rgba(217, 86, 75, 0.08); }

/* ---------------------------------------------------------------------------
   Buttons & form controls
   --------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--rule-strong);
  background: var(--bg-raised);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.12s ease, background-color 0.12s ease;
}
.btn:hover { background: var(--bg-hover); text-decoration: none; }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary { background: var(--accent); border-color: var(--accent); color: #1a1206; font-weight: 600; }
.btn-primary:hover { background: var(--accent-strong); border-color: var(--accent-strong); }

.btn-ghost { background: transparent; }
.btn-ghost:hover { background: var(--bg-hover); }

.btn-danger { background: transparent; border-color: rgba(217, 86, 75, 0.4); color: var(--danger-strong); }
.btn-danger:hover { background: rgba(217, 86, 75, 0.12); border-color: var(--danger-strong); }

label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.legend-hint { font-weight: 400; color: var(--text-faint); text-transform: none; letter-spacing: normal; }

input[type="text"],
input[type="search"],
input[type="password"],
select,
textarea {
  width: 100%;
  background: var(--bg-inset);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.55rem 0.65rem;
}

textarea { resize: vertical; min-height: 4.5em; }

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.filter-group { margin-bottom: 1rem; }
.filter-actions { display: flex; gap: 0.6rem; align-items: center; }
.empty-hint { color: var(--text-faint); font-size: 0.85rem; font-style: italic; }
.empty-state { color: var(--text-faint); padding: 2rem 0; }

.form-errors {
  border: 1px solid rgba(217, 86, 75, 0.4);
  background: rgba(217, 86, 75, 0.08);
  border-radius: var(--radius);
  padding: 0.9rem 1.1rem;
  margin-bottom: 1.25rem;
}
.form-errors ul { margin: 0; padding-left: 1.1rem; color: var(--danger-strong); font-size: 0.88rem; }

/* ---------------------------------------------------------------------------
   Slot columns (shared by the public catalog and the admin component list)
   --------------------------------------------------------------------------- */

.slot-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.slot-column {
  border-left: 2px solid var(--rule);
  padding-left: 0.9rem;
}

.slot-label { margin-bottom: 0.9rem; }

.component-list, .component-admin-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.component-item, .component-admin-list > li {
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0.9rem;
}
.component-item:last-child, .component-admin-list > li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.catalog-grid .component-item { position: relative; }
.catalog-grid .component-name::after { content: ""; position: absolute; inset: 0; }

.component-name { font-weight: 500; font-size: 0.92rem; display: block; }
.component-desc {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin: 0.3rem 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.component-admin-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.inline-form { display: inline; }

/* ---------------------------------------------------------------------------
   Public catalog page
   --------------------------------------------------------------------------- */

.catalog-toolbar { max-width: 320px; margin-bottom: 1.75rem; }
#catalog-search, #technique-search { font-family: var(--font-mono); }

/* ---------------------------------------------------------------------------
   Technique cards (public techniques page & admin techniques dashboard)
   --------------------------------------------------------------------------- */

.technique-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.1rem;
}

.technique-card {
  position: relative;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.1rem;
  background: var(--bg-raised);
  display: flex;
  flex-direction: column;
  transition: border-color 0.12s ease;
}
.technique-card:hover { border-color: var(--rule-strong); }

.technique-name { font-weight: 500; font-size: 0.95rem; display: block; }
.technique-grid a.technique-name::after { content: ""; position: absolute; inset: 0; }

.technique-desc {
  font-size: 0.82rem;
  color: var(--text-faint);
  margin: 0.4rem 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.technique-tag-row { margin-top: 0.6rem; }

.admin-layout .technique-card .component-admin-actions { position: relative; z-index: 1; margin-top: 0.75rem; }

/* ---------------------------------------------------------------------------
   Admin
   --------------------------------------------------------------------------- */

.admin-layout-narrow { max-width: 640px; }

.admin-subnav { display: flex; gap: 1.25rem; margin-bottom: 1.5rem; border-bottom: 1px solid var(--rule); }
.admin-subnav a {
  color: var(--text-dim);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.1rem 0 0.75rem;
  border-bottom: 2px solid transparent;
}
.admin-subnav a:hover { color: var(--text); text-decoration: none; }
.admin-subnav a.is-active { color: var(--text); border-bottom-color: var(--accent); }

.admin-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; }
.admin-toolbar h1 { margin: 0; }

.back-link { display: inline-block; margin-bottom: 1.25rem; color: var(--text-dim); font-size: 0.85rem; }

/* ---------------------------------------------------------------------------
   Auth
   --------------------------------------------------------------------------- */

.auth-layout { display: flex; justify-content: center; padding: 4rem 0; }
.auth-form {
  width: 100%;
  max-width: 340px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.75rem;
  background: var(--bg-raised);
}
.auth-form h1 { text-align: center; margin-bottom: 1.25rem; }

/* ---------------------------------------------------------------------------
   Chips (tags) & badges
   --------------------------------------------------------------------------- */

.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--rule-strong);
  color: var(--text-dim);
  white-space: nowrap;
  background: var(--bg-inset);
}

.chip-remove {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
  padding: 0;
  opacity: 0.7;
}
.chip-remove:hover { opacity: 1; }

.component-tag-row { margin-top: 0.5rem; }

.badge {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 0.18rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--rule-strong);
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------------------------------------------------------------------------
   Tag input widget (admin component form)
   --------------------------------------------------------------------------- */

.tag-input { border: 1px solid var(--rule-strong); border-radius: var(--radius); padding: 0.6rem; background: var(--bg-inset); }
.tag-input .tag-chip-list { margin-bottom: 0.5rem; min-height: 0; }
.tag-input .tag-input-field { border: none; background: transparent; padding: 0.2rem; }
.tag-input .tag-input-field:focus { box-shadow: none; outline: none; }

/* ---------------------------------------------------------------------------
   Video rows (admin component form)
   --------------------------------------------------------------------------- */

.video-rows { display: flex; flex-direction: column; gap: 0.6rem; margin-bottom: 0.75rem; }
.video-row { display: grid; grid-template-columns: 1fr 1.6fr auto; gap: 0.6rem; align-items: center; }

/* ---------------------------------------------------------------------------
   Image upload / gallery
   --------------------------------------------------------------------------- */

.existing-images { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.existing-image { border: 1px solid var(--rule-strong); border-radius: var(--radius); padding: 0.6rem; background: var(--bg-inset); }
.existing-image img { width: 100%; height: 110px; object-fit: cover; border-radius: var(--radius); margin-bottom: 0.5rem; }
.existing-image input[type="text"] { margin-bottom: 0.5rem; font-size: 0.82rem; padding: 0.4rem 0.5rem; }
.delete-image-check { display: flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; color: var(--danger-strong); margin: 0; cursor: pointer; }

.new-image-captions { display: flex; flex-direction: column; gap: 0.5rem; margin-top: 0.75rem; }
.new-image-caption-row { display: grid; grid-template-columns: 1fr 1.4fr; gap: 0.6rem; align-items: center; }
.new-image-filename { font-size: 0.8rem; color: var(--text-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
.gallery-item { margin: 0; border: 1px solid var(--rule); border-radius: var(--radius); overflow: hidden; background: var(--bg-raised); }
.gallery-item img { width: 100%; height: 220px; object-fit: contain; background: var(--bg-inset); display: block; }
.gallery-item figcaption { padding: 0.5rem 0.65rem; font-size: 0.8rem; color: var(--text-faint); }

/* ---------------------------------------------------------------------------
   Video embeds (public detail page)
   --------------------------------------------------------------------------- */

.video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.25rem; }
.video-item { max-width: 320px; }
.video-embed { position: relative; width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--rule); background: var(--bg-inset); }
.video-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-label { font-size: 0.8rem; color: var(--text-faint); margin: 0.4rem 0 0; }
.external-video-link {
  display: block;
  padding: 0.8rem 1rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  background: var(--bg-inset);
  font-size: 0.88rem;
}

/* ---------------------------------------------------------------------------
   Public / admin component detail page
   --------------------------------------------------------------------------- */

.detail-layout { max-width: 860px; }

.detail-header { margin-bottom: 1.25rem; }
.detail-heading-row { display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap; }
.detail-heading-row h1 { margin: 0; }
.detail-admin-actions { margin-top: 0.75rem; }

.detail-tags { margin-bottom: 1.5rem; }
.detail-text { margin-bottom: 1.75rem; }
.detail-videos, .detail-gallery { margin-bottom: 1.75rem; }

/* ---------------------------------------------------------------------------
   Responsive
   --------------------------------------------------------------------------- */

@media (max-width: 900px) {
  .slot-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .site-header { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
  .site-nav { gap: 1rem; flex-wrap: wrap; }
  .slot-grid { grid-template-columns: 1fr; }
  .admin-toolbar { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .video-row { grid-template-columns: 1fr; }
}