/* ═══════════════════════════════════════════════════════════════
   SPACE EMPIRE — ARTEFAKT-SYSTEM
   Buch-Widget (bottom-right) + Codex-Panel + Karten-Grid
   ═══════════════════════════════════════════════════════════════ */

/* ── Variablen ───────────────────────────────────────────────── */
:root {
  --art-bg:          #04041a;
  --art-border:      #1a1a4e;
  --art-glow-c:      #00ffff;
  --art-glow-m:      #ff00ff;
  --art-text:        #c8c8f0;
  --art-text-dim:    #4a4a6e;
  --art-panel-w:     420px;
  --art-radius:      14px;
  --art-card-size:   160px;
  --art-book-size:   56px;
  --art-transition:  0.3s cubic-bezier(.4,0,.2,1);
}

/* ════════════════════════════════════════════════════════════════
   1. BUCH-WIDGET (Fixed bottom-right)
   ════════════════════════════════════════════════════════════════ */
#seg-artifact-book {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
}

.seg-book-btn {
  width: var(--art-book-size);
  height: var(--art-book-size);
  border-radius: 12px;
  background: rgba(4, 4, 26, 0.55);
  border: 1.5px solid rgba(26, 26, 78, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: var(--art-transition);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

/* Das Buch-Icon (SVG) */
.seg-book-icon {
  width: 30px;
  height: 30px;
  opacity: 0.4;
  transition: var(--art-transition);
  filter: grayscale(1);
}

/* Hover: leuchtet auf */
#seg-artifact-book:hover .seg-book-btn {
  background: rgba(4, 4, 26, 0.9);
  border-color: var(--art-glow-c);
  box-shadow:
    0 0 18px rgba(0, 255, 255, 0.35),
    0 0 40px rgba(0, 255, 255, 0.12),
    inset 0 0 12px rgba(0, 255, 255, 0.06);
}

#seg-artifact-book:hover .seg-book-icon {
  opacity: 1;
  filter: grayscale(0) drop-shadow(0 0 6px var(--art-glow-c));
  transform: scale(1.1);
}

/* Regenbogen-Shimmer beim Hover */
#seg-artifact-book:hover .seg-book-btn::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--art-glow-c), var(--art-glow-m), #7c3aed, var(--art-glow-c));
  background-size: 300% 300%;
  animation: seg-rainbow-border 2s linear infinite;
  opacity: 0.6;
  z-index: -1;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  padding: 1.5px;
}

@keyframes seg-rainbow-border {
  0%   { background-position: 0% 50% }
  50%  { background-position: 100% 50% }
  100% { background-position: 0% 50% }
}

/* Puls-Animation wenn neue Artefakte vorhanden */
#seg-artifact-book.seg-book-has-new .seg-book-btn {
  animation: seg-book-pulse 2.4s ease-in-out infinite;
  border-color: #f59e0b;
}
#seg-artifact-book.seg-book-has-new .seg-book-icon {
  opacity: 0.9;
  filter: grayscale(0) drop-shadow(0 0 8px #f59e0b);
}

@keyframes seg-book-pulse {
  0%, 100% { box-shadow: 0 0 14px rgba(245,158,11,.3), 0 4px 20px rgba(0,0,0,.5) }
  50%       { box-shadow: 0 0 28px rgba(245,158,11,.6), 0 4px 20px rgba(0,0,0,.5) }
}

/* Benachrichtigungs-Badge */
.seg-book-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  font-family: monospace;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--art-bg);
  box-shadow: 0 0 8px rgba(245,158,11,.6);
  animation: seg-badge-pop 0.4s cubic-bezier(.36,.07,.19,.97);
}

@keyframes seg-badge-pop {
  0%   { transform: scale(0); opacity: 0 }
  70%  { transform: scale(1.3); }
  100% { transform: scale(1); opacity: 1 }
}

/* Tooltip "Kodex" */
.seg-book-tooltip {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(4,4,26,.95);
  border: 1px solid var(--art-border);
  color: var(--art-text);
  font-size: .72rem;
  padding: 5px 10px;
  border-radius: 6px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s;
  font-family: 'Courier New', monospace;
  letter-spacing: .05em;
}
#seg-artifact-book:hover .seg-book-tooltip { opacity: 1 }

/* ════════════════════════════════════════════════════════════════
   2. CODEX-PANEL (Slide-in von rechts)
   ════════════════════════════════════════════════════════════════ */
#seg-artifact-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: var(--art-panel-w);
  max-width: 100vw;
  height: 100vh;
  background: linear-gradient(180deg, #060618 0%, #080820 50%, #06061a 100%);
  border-left: 1px solid var(--art-border);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  box-shadow: -8px 0 60px rgba(0,0,0,.7);
  overflow: hidden;
}

#seg-artifact-panel.seg-panel-open {
  transform: translateX(0);
}

/* Sterne-Hintergrund im Panel */
#seg-artifact-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 15% 25%, rgba(255,255,255,.25) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 10%, rgba(255,255,255,.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 40% 55%, rgba(255,255,255,.15) 0%, transparent 100%),
    radial-gradient(1px 1px at 85% 70%, rgba(255,255,255,.2) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 80%, rgba(255,255,255,.15) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 35%, rgba(255,255,255,.25) 0%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}

/* Panel Header */
.seg-art-panel-header {
  position: relative;
  z-index: 2;
  padding: 22px 20px 16px;
  border-bottom: 1px solid var(--art-border);
  background: rgba(0,0,0,.3);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.seg-art-panel-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  font-family: 'Courier New', monospace;
  background: linear-gradient(90deg, var(--art-glow-c), var(--art-glow-m));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 10px;
}

.seg-art-panel-stats {
  font-size: .68rem;
  color: var(--art-text-dim);
  font-family: monospace;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-top: 2px;
}
.seg-art-panel-stats strong { color: var(--art-glow-c) }

.seg-art-panel-close {
  background: none;
  border: 1px solid var(--art-border);
  color: var(--art-text);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--art-transition);
  flex-shrink: 0;
}
.seg-art-panel-close:hover {
  background: rgba(255,0,100,.15);
  border-color: #ff0064;
  color: #ff0064;
}

/* Filter-Tabs */
.seg-art-filter-bar {
  position: relative;
  z-index: 2;
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--art-border);
  background: rgba(0,0,0,.2);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.seg-art-filter-btn {
  background: transparent;
  border: 1px solid var(--art-border);
  color: var(--art-text-dim);
  font-size: .65rem;
  font-family: monospace;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--art-transition);
}
.seg-art-filter-btn:hover,
.seg-art-filter-btn.active {
  border-color: var(--art-glow-c);
  color: var(--art-glow-c);
  background: rgba(0,255,255,.07);
}

/* Scrollbarer Inhalt */
.seg-art-panel-body {
  position: relative;
  z-index: 2;
  overflow-y: auto;
  flex: 1;
  padding: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--art-border) transparent;
}
.seg-art-panel-body::-webkit-scrollbar { width: 4px }
.seg-art-panel-body::-webkit-scrollbar-track { background: transparent }
.seg-art-panel-body::-webkit-scrollbar-thumb { background: var(--art-border); border-radius: 2px }

/* ════════════════════════════════════════════════════════════════
   3. ARTEFAKT-KARTEN
   ════════════════════════════════════════════════════════════════ */
.seg-art-album-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

/* Karte */
.seg-art-album-card {
  position: relative;
  border-radius: var(--art-radius);
  border: 1px solid var(--art-border);
  background: linear-gradient(145deg, #090921, #0d0d2a);
  overflow: hidden;
  cursor: default;
  transition: var(--art-transition);
  aspect-ratio: 2/3;
  display: flex;
  flex-direction: column;
}

/* Gefunden: Leuchten nach Seltenheits-Farbe */
.seg-art-album-card.seg-art-found {
  border-color: var(--art-card-color, var(--art-glow-c));
  box-shadow: 0 0 14px color-mix(in srgb, var(--art-card-color, #00ffff) 30%, transparent);
}
.seg-art-album-card.seg-art-found:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 6px 28px color-mix(in srgb, var(--art-card-color, #00ffff) 45%, transparent);
}

/* Nicht gefunden: grau und geblendet */
.seg-art-album-card.seg-art-unknown {
  opacity: 0.45;
  filter: grayscale(1);
  cursor: not-allowed;
}
.seg-art-album-card.seg-art-unknown:hover {
  opacity: 0.55;
}

/* NEU-Stempel */
.seg-art-new-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  font-size: .58rem;
  font-family: monospace;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 2px 7px;
  border-radius: 20px;
  text-transform: uppercase;
  animation: seg-new-shine 1.5s ease-in-out infinite;
  z-index: 3;
}

@keyframes seg-new-shine {
  0%, 100% { box-shadow: 0 0 6px rgba(245,158,11,.5) }
  50%       { box-shadow: 0 0 14px rgba(245,158,11,.9) }
}

/* Rarität Badge oben rechts */
.seg-art-rarity-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: .55rem;
  font-family: monospace;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 20px;
  z-index: 3;
  border: 1px solid currentColor;
}

/* Bild-Bereich */
.seg-art-card-img-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 12px 8px;
  position: relative;
}

.seg-art-card-img-wrap::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50%;
  background: linear-gradient(to bottom, transparent, rgba(9,9,33,.9));
  pointer-events: none;
}

.seg-art-card-img {
  width: 72px;
  height: 72px;
  object-fit: contain;
  border-radius: 8px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 8px var(--art-card-color, #00ffff));
}

.seg-art-card-emoji {
  font-size: 3rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 8px var(--art-card-color, #00ffff));
}

/* Fragezeichen für Unbekannte */
.seg-art-card-unknown-icon {
  font-size: 2.4rem;
  color: #2a2a4a;
  position: relative;
  z-index: 1;
}

/* Karten-Footer */
.seg-art-card-footer {
  padding: 10px 12px;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  flex-shrink: 0;
}

.seg-art-card-name {
  font-size: .72rem;
  font-weight: 700;
  color: var(--art-text);
  font-family: 'Courier New', monospace;
  letter-spacing: .04em;
  margin-bottom: 3px;
  line-height: 1.3;
}

.seg-art-card-effect {
  font-size: .6rem;
  color: var(--art-card-color, var(--art-text-dim));
  font-family: monospace;
  opacity: 0.8;
  line-height: 1.3;
}

.seg-art-card-found-date {
  font-size: .57rem;
  color: var(--art-text-dim);
  font-family: monospace;
  margin-top: 3px;
}

/* Hover-Tooltip mit Beschreibung */
.seg-art-album-card.seg-art-found::before {
  content: attr(data-desc);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(4,4,22,.97);
  border: 1px solid var(--art-card-color, var(--art-border));
  color: var(--art-text);
  font-size: .68rem;
  padding: 8px 12px;
  border-radius: 8px;
  width: 180px;
  text-align: center;
  font-family: monospace;
  line-height: 1.5;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  box-shadow: 0 4px 20px rgba(0,0,0,.6);
}
.seg-art-album-card.seg-art-found:hover::before {
  opacity: 1;
}

/* ── Leer-Zustand ──────────────────────────────────────────── */
.seg-art-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--art-text-dim);
  font-family: monospace;
  font-size: .8rem;
  line-height: 1.8;
}
.seg-art-empty-icon {
  font-size: 2.5rem;
  opacity: 0.3;
  margin-bottom: 12px;
}

/* ── Loading State ─────────────────────────────────────────── */
.seg-art-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 40px 0;
  color: var(--art-text-dim);
  font-family: monospace;
  font-size: .75rem;
}

.seg-art-spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--art-border);
  border-top-color: var(--art-glow-c);
  border-radius: 50%;
  animation: seg-spin .7s linear infinite;
}

@keyframes seg-spin {
  to { transform: rotate(360deg) }
}

/* ── Dim-Overlay wenn Panel offen ─────────────────────────── */
#seg-artifact-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
  backdrop-filter: blur(2px);
}
#seg-artifact-overlay.seg-overlay-show {
  opacity: 1;
  pointer-events: all;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 520px) {
  :root { --art-panel-w: 100vw }
  #seg-artifact-book { bottom: 16px; right: 16px }
  .seg-art-album-grid { grid-template-columns: repeat(2, 1fr); gap: 8px }
}