/* ═══════════════════════════════════════════════
   LED Schienen Konfigurator – Styles
   ═══════════════════════════════════════════════ */

:root {
  --kfg-bg: #0f1117;
  --kfg-card: #161923;
  --kfg-border: #1e2330;
  --kfg-brand: #FF8C28;
  --kfg-brand-dark: #e67a1a;
  --kfg-text: #e2e8f0;
  --kfg-text-muted: #64748b;
  --kfg-grid: #1a1f2e;
  --kfg-grid-line: #1e2535;
  --kfg-sidebar-w: 220px;
  --kfg-bom-h: 96px;
  --kfg-total-h: 580px;
}

* { box-sizing: border-box; }

#kfg-root {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--kfg-bg);
  color: var(--kfg-text);
  min-height: var(--kfg-total-h);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--kfg-border);
}

/* ── Header ─────────────────────────────────── */
.kfg-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--kfg-border);
  background: var(--kfg-card);
  flex-wrap: wrap;
}
.kfg-header-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--kfg-text);
  flex: 1;
}
.kfg-system-btns {
  display: flex;
  gap: 6px;
}
.kfg-sys-btn {
  padding: 6px 14px;
  border-radius: 8px;
  border: 1px solid var(--kfg-border);
  background: transparent;
  color: var(--kfg-text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.kfg-sys-btn:hover { border-color: var(--kfg-brand); color: var(--kfg-brand); }
.kfg-sys-btn.active { background: var(--kfg-brand); border-color: var(--kfg-brand); color: #fff; }

.kfg-color-btns { display: flex; gap: 6px; }
.kfg-color-btn {
  width: 28px; height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: border-color 0.15s;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
}
.kfg-color-btn[data-color="WHT"] { background: #e8e8e8; color: #333; }
.kfg-color-btn[data-color="BLC"] { background: #1a1a1a; color: #fff; border-color: #333; }
.kfg-color-btn.active { border-color: var(--kfg-brand) !important; }

/* ── Main Layout ────────────────────────────── */
.kfg-main {
  display: flex;
  height: calc(var(--kfg-total-h) - 48px - var(--kfg-bom-h));
}

/* ── Sidebar ────────────────────────────────── */
.kfg-sidebar {
  width: var(--kfg-sidebar-w);
  flex-shrink: 0;
  border-right: 1px solid var(--kfg-border);
  background: var(--kfg-card);
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.kfg-sidebar-section { }
.kfg-sidebar-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--kfg-text-muted);
  margin-bottom: 8px;
  padding: 0 4px;
}
.kfg-component-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.kfg-comp {
  background: var(--kfg-bg);
  border: 1px solid var(--kfg-border);
  border-radius: 10px;
  padding: 10px 8px;
  cursor: grab;
  text-align: center;
  transition: all 0.15s;
  user-select: none;
}
.kfg-comp:hover { border-color: var(--kfg-brand); background: #1a1f2e; }
.kfg-comp:active { cursor: grabbing; opacity: 0.7; }
.kfg-comp-icon {
  font-size: 20px;
  margin-bottom: 4px;
  line-height: 1;
}
.kfg-comp-name {
  font-size: 10px;
  font-weight: 600;
  color: var(--kfg-text);
  line-height: 1.3;
}
.kfg-comp-sub {
  font-size: 9px;
  color: var(--kfg-text-muted);
  margin-top: 2px;
}
.kfg-comp-price {
  font-size: 10px;
  color: var(--kfg-brand);
  font-weight: 700;
  margin-top: 3px;
}

/* ── Canvas Area ────────────────────────────── */
.kfg-canvas-wrap {
  flex: 1;
  background: var(--kfg-grid);
  position: relative;
  overflow: hidden;
}
#kfg-canvas-container {
  width: 100%;
  height: 100%;
}
.kfg-canvas-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  opacity: 0.4;
}
.kfg-canvas-hint-icon { font-size: 48px; margin-bottom: 8px; }
.kfg-canvas-hint-text { font-size: 13px; color: var(--kfg-text-muted); }

/* Canvas toolbar */
.kfg-canvas-toolbar {
  position: absolute;
  top: 12px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.kfg-tool-btn {
  width: 36px; height: 36px;
  background: var(--kfg-card);
  border: 1px solid var(--kfg-border);
  border-radius: 8px;
  color: var(--kfg-text-muted);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.kfg-tool-btn:hover { border-color: var(--kfg-brand); color: var(--kfg-brand); }

/* KI Chat Button */
.kfg-ai-btn {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: var(--kfg-brand);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 8px 14px;
  cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: background 0.15s;
  box-shadow: 0 4px 12px rgba(255,140,40,0.3);
}
.kfg-ai-btn:hover { background: var(--kfg-brand-dark); }
.kfg-ai-pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #fff;
  animation: kfgPulse 1.5s infinite;
}
@keyframes kfgPulse { 0%,100%{opacity:0.4;transform:scale(0.8)} 50%{opacity:1;transform:scale(1)} }

/* ── Stückliste (BOM) ───────────────────────── */
.kfg-bom {
  height: var(--kfg-bom-h);
  border-top: 1px solid var(--kfg-border);
  background: var(--kfg-card);
  display: flex;
  align-items: stretch;
}
.kfg-bom-items {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  overflow-x: auto;
  overflow-y: hidden;
}
.kfg-bom-item {
  background: var(--kfg-bg);
  border: 1px solid var(--kfg-border);
  border-radius: 10px;
  padding: 8px 12px;
  flex-shrink: 0;
  min-width: 110px;
  transition: border-color 0.15s;
}
.kfg-bom-item:hover { border-color: var(--kfg-border); }
.kfg-bom-item-sku { font-family: monospace; font-size: 9px; color: var(--kfg-brand); }
.kfg-bom-item-name { font-size: 10px; color: var(--kfg-text); font-weight: 600; line-height: 1.3; }
.kfg-bom-item-qty { font-size: 11px; color: var(--kfg-text-muted); margin-top: 2px; }
.kfg-bom-item-price { font-size: 11px; color: var(--kfg-brand); font-weight: 700; }
.kfg-bom-empty {
  font-size: 12px;
  color: var(--kfg-text-muted);
  padding: 0 20px;
}
.kfg-bom-actions {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 12px 16px;
  border-left: 1px solid var(--kfg-border);
  min-width: 200px;
}
.kfg-total {
  font-size: 20px;
  font-weight: 800;
  color: var(--kfg-text);
}
.kfg-total-label { font-size: 10px; color: var(--kfg-text-muted); margin-bottom: 2px; }
.kfg-cart-btn {
  background: var(--kfg-brand);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
  text-align: center;
}
.kfg-cart-btn:hover { background: var(--kfg-brand-dark); }
.kfg-cart-btn:disabled { background: #2d3448; color: #4a5568; cursor: not-allowed; }

/* ── Warnings ───────────────────────────────── */
.kfg-warnings {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 280px;
  pointer-events: none;
}
.kfg-warning {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 11px;
  color: #fca5a5;
  display: flex;
  align-items: center;
  gap: 6px;
}
.kfg-warning.info {
  background: rgba(255,140,40,0.1);
  border-color: rgba(255,140,40,0.3);
  color: #fdba74;
}
.kfg-warning.ok {
  background: rgba(34,197,94,0.1);
  border-color: rgba(34,197,94,0.3);
  color: #86efac;
}

/* ── KI Chat Panel ──────────────────────────── */
.kfg-ai-panel {
  position: absolute;
  bottom: 60px;
  right: 12px;
  width: 320px;
  max-height: 420px;
  background: var(--kfg-card);
  border: 1px solid var(--kfg-border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  overflow: hidden;
  transition: all 0.2s;
}
.kfg-ai-panel.hidden { display: none; }
.kfg-ai-panel-header {
  padding: 12px 14px;
  border-bottom: 1px solid var(--kfg-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kfg-ai-panel-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--kfg-text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.kfg-ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kfg-ai-msg {
  padding: 8px 12px;
  border-radius: 10px;
  font-size: 12px;
  line-height: 1.5;
  max-width: 90%;
}
.kfg-ai-msg.user {
  background: var(--kfg-brand);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}
.kfg-ai-msg.bot {
  background: var(--kfg-bg);
  color: var(--kfg-text);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.kfg-ai-msg.loading { color: var(--kfg-text-muted); font-style: italic; }
.kfg-ai-input-row {
  display: flex;
  gap: 6px;
  padding: 10px 12px;
  border-top: 1px solid var(--kfg-border);
}
.kfg-ai-input {
  flex: 1;
  background: var(--kfg-bg);
  border: 1px solid var(--kfg-border);
  border-radius: 8px;
  color: var(--kfg-text);
  font-size: 12px;
  padding: 7px 10px;
  outline: none;
}
.kfg-ai-input:focus { border-color: var(--kfg-brand); }
.kfg-ai-send {
  background: var(--kfg-brand);
  border: none;
  border-radius: 8px;
  color: #fff;
  padding: 0 12px;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s;
}
.kfg-ai-send:hover { background: var(--kfg-brand-dark); }
.kfg-ai-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 0 12px 8px;
}
.kfg-ai-suggestion {
  background: var(--kfg-bg);
  border: 1px solid var(--kfg-border);
  border-radius: 20px;
  font-size: 10px;
  color: var(--kfg-text-muted);
  padding: 3px 10px;
  cursor: pointer;
  transition: all 0.15s;
}
.kfg-ai-suggestion:hover { border-color: var(--kfg-brand); color: var(--kfg-brand); }

/* ── Mobile Wizard ──────────────────────────── */
.kfg-wizard { padding: 20px; }
.kfg-wizard-steps {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 28px;
  overflow-x: auto;
}
.kfg-wstep {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}
.kfg-wstep-dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--kfg-border);
  color: var(--kfg-text-muted);
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.kfg-wstep.active .kfg-wstep-dot { background: var(--kfg-brand); color: #fff; }
.kfg-wstep.done .kfg-wstep-dot { background: #22c55e; color: #fff; }
.kfg-wstep-line {
  width: 32px; height: 2px;
  background: var(--kfg-border);
  flex-shrink: 0;
}
.kfg-wstep.done .kfg-wstep-line { background: #22c55e; }
.kfg-wstep-label {
  display: none;
}
.kfg-wizard-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--kfg-text);
  margin-bottom: 6px;
}
.kfg-wizard-subtitle {
  font-size: 13px;
  color: var(--kfg-text-muted);
  margin-bottom: 20px;
}
.kfg-wizard-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.kfg-wizard-opt {
  background: var(--kfg-card);
  border: 2px solid var(--kfg-border);
  border-radius: 14px;
  padding: 16px 12px;
  text-align: center;
  cursor: pointer;
  transition: all 0.15s;
}
.kfg-wizard-opt:hover { border-color: var(--kfg-brand); }
.kfg-wizard-opt.selected { border-color: var(--kfg-brand); background: rgba(255,140,40,0.08); }
.kfg-wizard-opt-icon { font-size: 28px; margin-bottom: 8px; }
.kfg-wizard-opt-name { font-size: 13px; font-weight: 700; color: var(--kfg-text); }
.kfg-wizard-opt-sub { font-size: 11px; color: var(--kfg-text-muted); margin-top: 3px; }
.kfg-wizard-nav {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.kfg-wizard-back {
  flex: 1;
  background: var(--kfg-card);
  border: 1px solid var(--kfg-border);
  border-radius: 12px;
  color: var(--kfg-text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.kfg-wizard-next {
  flex: 2;
  background: var(--kfg-brand);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  padding: 12px;
  cursor: pointer;
  transition: background 0.15s;
}
.kfg-wizard-next:disabled { background: #2d3448; color: #4a5568; cursor: not-allowed; }
.kfg-qty-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--kfg-card);
  border: 1px solid var(--kfg-border);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 8px;
}
.kfg-qty-info { flex: 1; }
.kfg-qty-name { font-size: 13px; font-weight: 600; color: var(--kfg-text); }
.kfg-qty-sub { font-size: 11px; color: var(--kfg-text-muted); margin-top: 2px; }
.kfg-qty-price { font-size: 12px; color: var(--kfg-brand); font-weight: 700; margin-top: 2px; }
.kfg-qty-ctrl { display: flex; align-items: center; gap: 8px; }
.kfg-qty-btn {
  width: 28px; height: 28px;
  border-radius: 8px;
  border: 1px solid var(--kfg-border);
  background: var(--kfg-bg);
  color: var(--kfg-text);
  font-size: 16px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.kfg-qty-btn:hover { border-color: var(--kfg-brand); color: var(--kfg-brand); }
.kfg-qty-num { font-size: 14px; font-weight: 700; color: var(--kfg-text); min-width: 20px; text-align: center; }

/* ── Responsive ─────────────────────────────── */
@media (max-width: 768px) {
  .kfg-main { display: none; }
  .kfg-bom { display: none; }
  .kfg-header { gap: 8px; }
  .kfg-system-btns { flex-wrap: wrap; }
}
@media (min-width: 769px) {
  .kfg-wizard { display: none; }
}