/* ============================================================
   核电站建造（模块样式）
   ============================================================ */

/* ============================================================
   3. 核电站建造
   ============================================================ */
.plant-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  align-items: start;
}

.plant-stage {
  position: relative;
  padding: 14px;
  overflow: hidden;
  min-height: 360px;
}

.plant-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 300px at 30% 20%, rgba(56, 225, 255, 0.05), transparent 70%),
    radial-gradient(420px 280px at 82% 82%, rgba(62, 240, 162, 0.04), transparent 70%);
  pointer-events: none;
}

.plant-svg {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 1;
}

.plant-svg text {
  font-family: var(--font-sans);
  user-select: none;
}

.plant-svg .slot {
  fill: rgba(120, 190, 255, 0.02);
  stroke: rgba(120, 190, 255, 0.28);
  stroke-width: 1.2;
  stroke-dasharray: 5 6;
  transition: stroke 0.25s, fill 0.25s;
}

.plant-svg .slot.is-next {
  stroke: var(--cyan);
  fill: rgba(56, 225, 255, 0.06);
  animation: slotPulse 1.8s ease-in-out infinite;
}

@keyframes slotPulse {
  0%, 100% { stroke-opacity: 0.45; }
  50% { stroke-opacity: 1; }
}

.plant-svg .slot-label {
  fill: rgba(150, 180, 212, 0.62);
  font-size: 10.5px;
  letter-spacing: 0.04em;
}

.plant-svg .part {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.45s var(--ease-out), transform 0.45s var(--ease-out);
}

.plant-svg .part.is-built {
  opacity: 1;
  transform: translateY(0);
}

.plant-svg .part.is-just-built {
  animation: buildFlash 0.9s ease-out;
}

@keyframes buildFlash {
  0% { filter: drop-shadow(0 0 0 rgba(56, 225, 255, 0)); }
  35% { filter: drop-shadow(0 0 14px rgba(56, 225, 255, 0.85)); }
  100% { filter: drop-shadow(0 0 0 rgba(56, 225, 255, 0)); }
}

.plant-svg .part-label {
  fill: rgba(200, 220, 240, 0.78);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.plant-svg .part-label.is-loop1 { fill: #ffc98a; }
.plant-svg .part-label.is-loop2 { fill: #9fe9ff; }
.plant-svg .part-label.is-loop3 { fill: #9cf7cd; }

.plant-svg .pipe {
  fill: none;
  stroke-width: 2.6;
  stroke-linecap: round;
  transition: stroke 0.4s, opacity 0.4s;
}

.plant-svg .pipe.l1 { stroke: rgba(255, 171, 61, 0.22); }
.plant-svg .pipe.l2 { stroke: rgba(56, 225, 255, 0.22); }
.plant-svg .pipe.l3 { stroke: rgba(62, 240, 162, 0.22); }

.plant-svg .pipe.is-live.l1 { stroke: rgba(255, 171, 61, 0.82); }
.plant-svg .pipe.is-live.l2 { stroke: rgba(56, 225, 255, 0.8); }
.plant-svg .pipe.is-live.l3 { stroke: rgba(62, 240, 162, 0.8); }

.plant-svg .flow {
  fill: none;
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-dasharray: 2 16;
  opacity: 0;
  transition: opacity 0.4s;
}

.plant-svg .flow.l1 { stroke: #ffcf8a; }
.plant-svg .flow.l2 { stroke: #a5f0ff; }
.plant-svg .flow.l3 { stroke: #a7fdda; }

.plant-svg .flow.is-on {
  opacity: 1;
  animation: dashFlow 2.2s linear infinite;
}

.plant-svg .flow.speed-2 { animation-duration: 1.2s; }
.plant-svg .flow.speed-3 { animation-duration: 0.8s; }

.plant-svg .pipe-halo {
  fill: none;
  stroke: rgba(56, 225, 255, 0.06);
  stroke-width: 9;
  stroke-linecap: round;
  opacity: 0;
  transition: opacity 0.4s;
}

.plant-svg .pipe-halo.is-on { opacity: 1; }

.plant-toolbar {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  z-index: 3;
  pointer-events: none;
}

.plant-toolbar > * { pointer-events: auto; }

.plant-toolbar .stage-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 9px;
  background: rgba(5, 12, 22, 0.78);
  border: 1px solid var(--line);
  font-size: 11.5px;
  color: var(--text-2);
  backdrop-filter: blur(6px);
}

.plant-toolbar .stage-title b { color: var(--text); font-size: 12.5px; }

.stage-actions {
  display: flex;
  gap: 6px;
}

/* 侧栏 */
.plant-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.build-panel { padding: 16px 16px 18px; }

.build-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 292px;
  overflow-y: auto;
}

.build-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--text-3);
  transition: all 0.25s;
}

.build-step .step-no {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 6px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  background: rgba(120, 190, 255, 0.04);
}

.build-step.is-current {
  color: var(--cyan);
  background: rgba(56, 225, 255, 0.08);
}

.build-step.is-current .step-no {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 10px rgba(56, 225, 255, 0.3);
}

.build-step.is-done {
  color: var(--text-2);
}

.build-step.is-done .step-no {
  background: var(--green-soft);
  border-color: rgba(62, 240, 162, 0.4);
  color: var(--green);
}

.build-step .step-tag {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-3);
}

/* 部件托盘 */
.tray-panel { padding: 14px 16px 16px; }

.part-tray {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  max-height: 300px;
  overflow-y: auto;
  padding-right: 2px;
}

.part-card {
  position: relative;
  padding: 9px 10px;
  border-radius: 9px;
  border: 1px solid var(--line-2);
  background: linear-gradient(150deg, rgba(17, 36, 63, 0.9), rgba(8, 18, 34, 0.9));
  color: var(--text-2);
  font-size: 12px;
  text-align: left;
  cursor: grab;
  transition: all 0.2s;
  touch-action: none;
  font-family: inherit;
  line-height: 1.35;
  display: flex;
  align-items: center;
  gap: 7px;
}

.part-card .part-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line-3);
  flex-shrink: 0;
}

.part-card:hover {
  color: var(--text);
  border-color: var(--cyan);
  transform: translateY(-1px);
}

.part-card.is-distractor .part-dot { background: rgba(255, 107, 107, 0.5); }
.part-card.is-used {
  opacity: 0.25;
  pointer-events: none;
  text-decoration: line-through;
}

.plant-info {
  padding: 16px;
  min-height: 148px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.plant-info .info-kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.plant-info h3 {
  font-size: 17px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.plant-info p {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--text-2);
}

.plant-info .info-fact {
  font-size: 11.5px;
  color: var(--amber);
  display: flex;
  gap: 7px;
  align-items: baseline;
}

.loop-legend {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.loop-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: rgba(120, 190, 255, 0.04);
  color: var(--text-2);
  font-size: 11.5px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.loop-btn:hover { color: var(--text); border-color: var(--line-2); }

.loop-btn .loop-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--loop-c, var(--cyan));
  box-shadow: 0 0 8px var(--loop-c, var(--cyan));
}

.loop-btn.is-active {
  color: var(--text);
  border-color: var(--loop-c, var(--cyan));
  background: rgba(56, 225, 255, 0.07);
}

.loop-btn .loop-state {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--text-3);
}

/* ---------- 建造响应式 ---------- */
@media (max-width: 1080px) {
  .plant-layout {
    grid-template-columns: 1fr;
  }

  .plant-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .plant-side .plant-info {
    grid-column: 1 / -1;
    min-height: 0;
  }
}

@media (max-width: 720px) {
  .plant-side {
    grid-template-columns: 1fr;
  }

  .part-tray {
    max-height: none;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .plant-stage { padding: 8px; }
  .plant-toolbar { top: 8px; left: 8px; right: 8px; }
  .plant-toolbar .stage-title { font-size: 10.5px; padding: 5px 9px; }
}

/* ---------- 建造交互补充 ---------- */
.plant-stage {
  padding-top: 54px;
}

.plant-svg .slot-group.is-done {
  display: none;
}

.plant-svg .pipe.grid-pipe {
  stroke: rgba(255, 207, 138, 0.26);
}

.plant-svg.focus-loop-1 .pipe:not(.l1) { opacity: 0.16; }
.plant-svg.focus-loop-2 .pipe:not(.l2) { opacity: 0.16; }
.plant-svg.focus-loop-3 .pipe:not(.l3) { opacity: 0.16; }

.plant-svg .part.is-built .part-label {
  animation: fadeIn 0.6s ease both;
}

/* ---------- 移动端：工程图横向滚动 ---------- */
.plant-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 12px;
  -webkit-overflow-scrolling: touch;
}

.scroll-hint {
  display: none;
  font-size: 9.5px;
  color: var(--text-3);
  margin-left: 6px;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .plant-scroll .plant-svg {
    min-width: 820px;
  }

  .scroll-hint {
    display: inline;
  }
}


@media (max-width: 720px) {
  .plant-toolbar .stage-title {
    white-space: nowrap;
    gap: 5px;
  }

  .plant-toolbar .stage-title b {
    display: none;
  }

  .scroll-hint {
    display: inline;
    margin-left: 4px;
  }
}