/* ============================================================================
 *  chazon · elements · LAB-PLATE Vocabulary v1.0
 *
 *  Schwester-System zu /energies/ Codex-Lumens .plate-Vokabular —
 *  hier aber im wissenschaftlich-engraving Lab-Stil: Brass + Copper
 *  statt Gilt, Engraving-Hatchure statt Pergament-Noise, "Experimentum"
 *  + "Apparatus" + "Fig." als Latin/wissenschaftliche Eyebrows statt
 *  "tabula spectri".
 *
 *  Anwendungs-Pattern:
 *      <section class="lab-plate-set">
 *        <header class="lab-plate-set-head">
 *          <div class="lab-plate-set-eyebrow">
 *            <span class="lab-plate-set-sigil">⌬</span>
 *            <span>experimentum · was beobachtbar ist</span>
 *          </div>
 *          <h3 class="lab-plate-set-title">Drei Generationen. <em>Sechs Quarks.</em></h3>
 *          <p class="lab-plate-set-lede">...</p>
 *          <div class="lab-plate-set-rule">
 *            <span class="lab-rule-line"></span>
 *            <span class="lab-rule-knot">◈</span>
 *            <span class="lab-rule-line"></span>
 *          </div>
 *        </header>
 *
 *        <ol class="lab-plate-grid lab-plate-grid-3">
 *          <li class="lab-plate">
 *            <span class="lab-plate-numeral">I</span>
 *            <figure class="lab-plate-figure">...</figure>
 *            <div class="lab-plate-body">
 *              <h4 class="lab-plate-title"><em>up · down</em></h4>
 *              <div class="lab-plate-subtitle">generatio prima · matter ordinaria</div>
 *              <p class="lab-plate-text">...</p>
 *              <div class="lab-plate-foot">
 *                <span class="lab-plate-foot-band">2.2 · 4.7 MeV/c²</span>
 *                <span class="lab-plate-foot-cite">Fig. 1</span>
 *              </div>
 *            </div>
 *          </li>
 *          ...
 *        </ol>
 *      </section>
 *
 *  Zusätzlich:
 *      .fig-caption        — universelle Caption für 3D/Bilder ("Fig. 7 · CERN 2024")
 *      .exp-tag            — kleines Inline-Label "EXPERIMENTUM" o.ä.
 *      .lab-codex          — Frame um 3D-Stages (analog .tlw-codex in /energies/)
 *
 *  Color-Tokens (existing in elements.css):
 *      --accent-gold      #c9a961
 *      --accent-copper    #b87333
 *
 *  Wir nutzen beide + ergänzen:
 * ============================================================================ */

:root {
  --lab-brass:        #b9904e;   /* warm-brass · subtle */
  --lab-brass-light:  #d4b06a;
  --lab-brass-soft:   color-mix(in oklab, #b9904e 32%, transparent);
}

/* ============================================================================
 * LAB-PLATE-SET · Container für eine Reihe von Plates
 * ============================================================================ */

.lab-plate-set {
  position: relative;
  margin: 3rem 0 2rem;
  padding: 2.2rem 2rem 1.8rem;
  background:
    /* warm cream radial wash */
    radial-gradient(ellipse at top, color-mix(in oklab, var(--accent-gold) 6%, transparent) 0%, transparent 58%),
    color-mix(in oklab, var(--bg-elev, #1a140d) 92%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent-gold) 18%, currentColor);
  border-radius: 6px;
}

/* Engraving-hatchure noise overlay — fein, beige-tinted */
.lab-plate-set::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='h'><feTurbulence type='fractalNoise' baseFrequency='0.92' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 0.85  0 0 0 0 0.72  0 0 0 0 0.45  0 0 0 0.15 0'/></filter><rect width='100%25' height='100%25' filter='url(%23h)'/></svg>");
  background-size: 220px 220px;
  opacity: 0.45;
  mix-blend-mode: overlay;
  pointer-events: none;
  border-radius: inherit;
  z-index: 0;
}
/* Inner brass-rule hairline */
.lab-plate-set::after {
  content: '';
  position: absolute;
  inset: 7px;
  border: 0.5px solid color-mix(in oklab, var(--lab-brass) 26%, transparent);
  border-radius: 4px;
  pointer-events: none;
  z-index: 0;
}
.lab-plate-set > * { position: relative; z-index: 1; }

/* Header inside the set */
.lab-plate-set-head { margin-bottom: 1.8rem; }
.lab-plate-set-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: lowercase;
  color: color-mix(in oklab, var(--accent-copper) 60%, currentColor);
  margin-bottom: 0.7rem;
}
.lab-plate-set-sigil {
  font-size: 1rem;
  color: var(--accent-copper);
  filter: drop-shadow(0 0 5px color-mix(in oklab, var(--accent-copper) 45%, transparent));
}
.lab-plate-set-title {
  font-family: 'Cormorant Garamond', 'Times New Roman', serif;
  font-weight: 400;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1.15;
  color: var(--text-bright, #f8f1e1);
  margin: 0 0 0.7rem;
  letter-spacing: -0.005em;
}
.lab-plate-set-title em {
  font-style: italic;
  color: color-mix(in oklab, var(--accent-copper) 36%, var(--text-bright, #f8f1e1));
}
.lab-plate-set-lede {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.12rem;
  line-height: 1.55;
  color: var(--text-warm, #d4c5a8);
  margin: 0 0 1.2rem;
  max-width: 64ch;
}
.lab-plate-set-lede em {
  color: color-mix(in oklab, var(--accent-copper) 45%, var(--text-bright, #f8f1e1));
  font-style: italic;
}

.lab-plate-set-rule {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin: 1rem 0 0.4rem;
  max-width: 360px;
}
.lab-rule-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in oklab, var(--accent-copper) 60%, transparent) 50%,
    transparent 100%);
}
.lab-rule-knot {
  font-size: 0.9rem;
  color: var(--accent-copper);
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--accent-copper) 55%, transparent));
}

.lab-plate-set-foot {
  margin-top: 1.6rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.lab-plate-set-foot-rule {
  flex: 0 0 auto;
  width: 38px;
  height: 1px;
  background: color-mix(in oklab, var(--accent-copper) 55%, transparent);
}
.lab-plate-set-foot-cite {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: color-mix(in oklab, var(--text-warm, #d4c5a8) 75%, transparent);
}
.lab-plate-set-foot-cite em { font-style: italic; color: var(--text-bright, #f8f1e1); }

/* ============================================================================
 * LAB-PLATE-GRID · Layout der Plates
 * ============================================================================ */

.lab-plate-grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 1.4rem;
}
.lab-plate-grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.lab-plate-grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.lab-plate-grid-5 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.lab-plate-grid-6 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

/* ============================================================================
 * LAB-PLATE · Einzelnes Plate (Card)
 * ============================================================================ */

.lab-plate {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.15rem 1.1rem 1.1rem;
  background:
    radial-gradient(at top right, color-mix(in oklab, var(--accent-copper) 4%, transparent), transparent 60%),
    color-mix(in oklab, var(--bg-deep, #0e0a07) 96%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent-copper) 14%, currentColor);
  border-radius: 5px;
  transition: transform .35s cubic-bezier(.4, 0, .2, 1),
              border-color .35s,
              box-shadow .35s;
}
/* Inner brass-frame, hairline, slightly offset (hand-imperfect) */
.lab-plate::before {
  content: '';
  position: absolute;
  inset: 5px 5px 6px 6px;
  border: 0.5px solid color-mix(in oklab, var(--accent-copper) 22%, transparent);
  border-radius: 3px;
  pointer-events: none;
  transition: border-color .35s, inset .4s cubic-bezier(.4, 0, .2, 1);
}
.lab-plate:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklab, var(--accent-copper) 42%, currentColor);
  box-shadow:
    0 12px 32px color-mix(in oklab, var(--bg-deep, #0e0a07) 80%, transparent),
    0 0 24px color-mix(in oklab, var(--accent-copper) 18%, transparent);
}
.lab-plate:hover::before {
  border-color: color-mix(in oklab, var(--accent-copper) 58%, transparent);
  inset: 4px 4px 5px 5px;
}

.lab-plate-numeral {
  position: absolute;
  top: 0.55rem;
  left: 0.65rem;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: color-mix(in oklab, var(--accent-copper) 75%, transparent);
  z-index: 2;
}

.lab-plate-figure {
  margin: 0.6rem 0 0.9rem;
  padding: 0;
  position: relative;
  z-index: 1;
}
.lab-plate-figure img,
.lab-plate-figure svg {
  width: 100%;
  aspect-ratio: 4 / 2.6;
  object-fit: contain;
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--bg-deep, #0e0a07) 65%, transparent) 0%,
    color-mix(in oklab, var(--bg-deep, #0e0a07) 85%, transparent) 100%);
  border-radius: 3px;
  filter: drop-shadow(0 0 16px color-mix(in oklab, var(--accent-gold) 22%, transparent));
}

.lab-plate-body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.lab-plate-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.45rem;
  line-height: 1.15;
  color: var(--text-bright, #f8f1e1);
  margin: 0 0 0.2rem;
}
.lab-plate-title em { font-style: italic; font-weight: 400; }

.lab-plate-subtitle {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: color-mix(in oklab, var(--accent-copper) 55%, currentColor);
  margin: 0 0 0.7rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px dashed color-mix(in oklab, var(--accent-copper) 22%, transparent);
}
.lab-plate-text {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-warm, #d4c5a8);
  margin: 0;
  flex: 1;
}
.lab-plate-text em {
  font-style: italic;
  color: color-mix(in oklab, var(--accent-copper) 40%, var(--text-bright, #f8f1e1));
}
.lab-plate-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 0.9rem;
  padding-top: 0.55rem;
  border-top: 0.5px solid color-mix(in oklab, var(--accent-copper) 16%, transparent);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.lab-plate-foot-band { color: color-mix(in oklab, var(--accent-copper) 70%, currentColor); }
.lab-plate-foot-cite { color: color-mix(in oklab, var(--text-warm, #d4c5a8) 70%, transparent); font-style: italic; }

/* ============================================================================
 * FIG-CAPTION · universeller Scientific-Caption-Stil
 *
 *      <div class="fig-caption">
 *        <span class="fig-num">Fig. 7</span>
 *        <span class="fig-title"><em>Quark Confinement</em></span>
 *        <span class="fig-cite">CERN 2024</span>
 *      </div>
 * ============================================================================ */

.fig-caption {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.4rem 0.85rem;
  background: color-mix(in oklab, var(--bg-deep, #0e0a07) 75%, transparent);
  border: 0.5px solid color-mix(in oklab, var(--accent-copper) 20%, transparent);
  border-left: 2px solid var(--accent-copper);
  border-radius: 3px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-warm, #d4c5a8);
  margin-top: 0.8rem;
}
.fig-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-copper);
}
.fig-title {
  flex: 1;
}
.fig-title em { font-style: italic; color: var(--text-bright, #f8f1e1); }
.fig-cite {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: color-mix(in oklab, var(--text-warm, #d4c5a8) 60%, transparent);
  font-style: italic;
}

/* ============================================================================
 * EXP-TAG · "EXPERIMENTUM · Supply Chains" style Eyebrow
 *
 *      <span class="exp-tag"><span class="exp-tag-key">Experimentum</span> Supply Chains</span>
 * ============================================================================ */

.exp-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.22rem 0.7rem;
  background: linear-gradient(90deg,
    color-mix(in oklab, var(--accent-copper) 15%, transparent),
    transparent);
  border-left: 2px solid var(--accent-copper);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-warm, #d4c5a8);
}
.exp-tag-key {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 500;
  font-size: 0.86rem;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--accent-copper);
  filter: drop-shadow(0 0 4px color-mix(in oklab, var(--accent-copper) 35%, transparent));
}

/* ============================================================================
 * LAB-CODEX · Frame um 3D-Visualisierungen (Helix, Bonding, Quark-Layer)
 *
 *      <div class="lab-codex">
 *        <img class="lab-corner lab-corner-tl" src="..." aria-hidden="true">
 *        ... 4 corners
 *        <div class="lab-plate-marker">
 *          <span class="lab-plate-marker-num">Tab. I</span>
 *          <span>·</span>
 *          <span>apparatus dna</span>
 *        </div>
 *        <div class="lab-stage">
 *          [the actual 3D content / canvas]
 *        </div>
 *      </div>
 * ============================================================================ */

.lab-codex {
  position: relative;
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 2.4rem 2rem 0.6rem;
  background:
    radial-gradient(ellipse at top, color-mix(in oklab, var(--accent-copper) 7%, transparent) 0%, transparent 55%),
    color-mix(in oklab, var(--bg-elev, #1a140d) 92%, transparent);
  border: 1px solid color-mix(in oklab, var(--accent-copper) 24%, currentColor);
  border-radius: 8px;
  isolation: isolate;
}
.lab-codex::before {
  content: '';
  position: absolute;
  inset: 7px;
  border: 0.5px solid color-mix(in oklab, var(--accent-copper) 12%, transparent);
  border-radius: 4px;
  pointer-events: none;
  z-index: 0;
}
.lab-codex > * { position: relative; z-index: 1; }

/* SVG-Corner-Ornaments (alchemical geometric, kein Blatt-style) */
.lab-codex .lab-corner {
  position: absolute;
  width: 36px;
  height: 36px;
  pointer-events: none;
  opacity: 0.42;
  color: var(--accent-copper);
  z-index: 2;
}
.lab-codex .lab-corner svg { width: 100%; height: 100%; }
.lab-codex .lab-corner-tl { top: 3px; left: 3px;   transform: rotate(0deg); }
.lab-codex .lab-corner-tr { top: 3px; right: 3px;  transform: rotate(90deg); }
.lab-codex .lab-corner-bl { bottom: 3px; left: 3px;   transform: rotate(-90deg); }
.lab-codex .lab-corner-br { bottom: 3px; right: 3px;  transform: rotate(180deg); }

/* Plate-marker top-center */
.lab-codex .lab-plate-marker {
  position: absolute;
  top: 0.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.22rem 0.85rem;
  background: color-mix(in oklab, var(--bg-deep, #0e0a07) 80%, transparent);
  border: 0.5px solid color-mix(in oklab, var(--accent-copper) 35%, transparent);
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  z-index: 3;
}
.lab-codex .lab-plate-marker-num {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--accent-copper);
}

/* ============================================================================
 * Mobile
 * ============================================================================ */

@media (max-width: 760px) {
  .lab-plate-set { padding: 1.6rem 1.2rem 1.3rem; margin: 2rem 0 1.5rem; }
  .lab-plate-grid-3,
  .lab-plate-grid-4,
  .lab-plate-grid-5,
  .lab-plate-grid-6 { grid-template-columns: 1fr 1fr; gap: 0.9rem; }
  .lab-plate { padding: 1rem 0.9rem; }
  .lab-codex { padding: 2rem 1rem 0.5rem; }
  .lab-codex .lab-corner { width: 28px; height: 28px; opacity: 0.35; }
  .lab-codex .lab-plate-marker { font-size: 0.6rem; padding: 0.2rem 0.7rem; }
  .lab-codex .lab-plate-marker-num { font-size: 0.78rem; }
}
@media (max-width: 480px) {
  .lab-plate-set { padding: 1.2rem 0.9rem; }
  .lab-plate-grid-3,
  .lab-plate-grid-4,
  .lab-plate-grid-5,
  .lab-plate-grid-6 { grid-template-columns: 1fr; }
  .lab-plate-set-title { font-size: 1.55rem; }
  .lab-plate-set-lede { font-size: 0.98rem; }
  .lab-codex { padding: 1.7rem 0.6rem 0.4rem; }
}