/* ---------- Tile Calculator 算砖页 ---------- */

.page-body { padding-top: 56px; }   /* 避开固定导航，让内容从导航下方开始 */

/* 页头 */
.calculator-hero { text-align: center; padding: 64px 24px 10px; }
.calculator-hero h1 { font-size: clamp(28px, 4.5vw, 44px); font-weight: 700; }
.calculator-sub { margin-top: 12px; color: var(--muted); font-size: 16px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* 三步主容器 */
.calc-wrap { max-width: 1000px; margin: 0 auto; padding: 24px 24px 40px; display: flex; flex-direction: column; gap: 18px; }

/* 每一步：序号 + 内容 */
.calc-step {
  display: flex; gap: 18px; align-items: flex-start;
  background: #fff; border: 1px solid var(--line); border-radius: 20px;
  padding: 26px 28px;
}
.calc-step-num {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  background: var(--text); color: #fff; font-weight: 700; font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.calc-step-body { flex: 1; min-width: 0; }
.calc-step-title { font-size: 18px; font-weight: 700; }
.calc-step-hint { margin-top: 6px; color: var(--muted); font-size: 13px; }

/* ① 规格 chip */
.calc-chips { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 8px; }
.chip-size {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 8px 16px; border-radius: 999px; font-size: 13px; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s; user-select: none;
}
.chip-size:hover { border-color: var(--text); color: var(--text); }
.chip-size.active { background: var(--text); border-color: var(--text); color: #fff; }

/* ② 损耗率 */
.calc-waste { margin-top: 14px; display: flex; gap: 8px; }
.waste-btn {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 8px 18px; border-radius: 999px; font-size: 13px; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.waste-btn:hover { border-color: var(--text); color: var(--text); }
.waste-btn.active { background: var(--text); border-color: var(--text); color: #fff; }

/* ③ 输入方式切换 */
.calc-modes { margin-top: 16px; display: flex; gap: 8px; }
.mode-btn {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 8px 16px; border-radius: 999px; font-size: 13px; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.mode-btn:hover { border-color: var(--text); color: var(--text); }
.mode-btn.active { background: var(--text); border-color: var(--text); color: #fff; }

/* 方式面板 */
.mode-panel { display: none; margin-top: 20px; }
.mode-panel.active { display: block; }

.calc-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.calc-input-row { display: flex; align-items: center; gap: 10px; max-width: 300px; }
.calc-input {
  flex: 1; width: 100%; padding: 12px 14px; font-size: 16px;
  border: 1px solid var(--line); border-radius: 12px; background: #fff;
}
.calc-input:focus { outline: none; border-color: var(--text); }
.calc-unit { color: var(--muted); font-size: 14px; }

/* 方式 B：房间行 */
.room-wrap { display: flex; flex-direction: column; gap: 10px; max-width: 560px; }
.room-row {
  display: grid; grid-template-columns: minmax(150px, 1.5fr) 1fr 1fr 34px; gap: 10px; align-items: center;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; background: #fff;
}
.room-name {
  padding: 10px 12px; font-size: 14px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
}
.room-name:focus { outline: none; border-color: var(--text); }
.room-dim { display: flex; align-items: center; gap: 6px; }
.room-dim input { width: 100%; padding: 10px 12px; font-size: 14px; border: 1px solid var(--line); border-radius: 10px; }
.room-dim input:focus { outline: none; border-color: var(--text); }
.room-dim span { color: var(--muted); font-size: 12px; }

/* 隐藏数字输入框自带上下箭头，保持素净（输入框仍可打字） */
.calc-input::-webkit-outer-spin-button,
.calc-input::-webkit-inner-spin-button,
.room-dim input::-webkit-outer-spin-button,
.room-dim input::-webkit-inner-spin-button,
.plan-room-card input::-webkit-outer-spin-button,
.plan-room-card input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.calc-input, .room-dim input[type=number], .plan-room-card input[type=number] { -moz-appearance: textfield; }

.room-remove {
  width: 34px; height: 34px; border: none; background: #f5f5f7; color: var(--muted);
  font-size: 18px; border-radius: 50%; cursor: pointer; line-height: 1;
}
.room-remove:hover { background: #ebebed; color: var(--text); }
.calc-add {
  margin-top: 12px; border: 1px dashed var(--line); background: #fff; color: var(--muted);
  padding: 12px 18px; border-radius: 12px; font-size: 14px; cursor: pointer;
}
.calc-add:hover { border-color: var(--text); color: var(--text); }

/* 方式 C：户型图画框 */
.calc-file-btn { display: inline-block; }
.calc-file-btn input { display: none; }
.calc-file-btn span {
  display: inline-block; border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 12px 20px; border-radius: 12px; font-size: 14px; cursor: pointer;
}
.calc-file-btn span:hover { border-color: var(--text); color: var(--text); }

.plan-workspace { margin-top: 16px; display: flex; flex-direction: column; gap: 14px; max-width: 720px; }
.plan-canvas {
  position: relative; border: 1px solid var(--line); border-radius: 16px;
  overflow: hidden; background: #fafafa; min-height: 220px;
  display: flex; align-items: center; justify-content: center;
}
/* 图片画布：inline-block 尺寸=图片显示尺寸，SVG 覆盖层相对它定位，描点才对得准鼠标 */
.plan-stage { position: relative; display: inline-block; line-height: 0; }
.plan-stage img { display: block; max-width: 100%; max-height: 420px; width: auto; height: auto; }
#planSvg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; }
/* 可拖动顶点：透明热区承载拖拽，SVG 其余部分仍穿透给底部 */
.plan-drag-hit { fill: transparent; pointer-events: auto; cursor: grab; }
.plan-drag-hit:hover { fill: rgba(17,24,39,.08); }
.plan-draw-hint { color: var(--muted); font-size: 13px; padding: 20px; text-align: center; }
.plan-canvas.tracing { cursor: crosshair; }
.plan-canvas.tracing .plan-stage { pointer-events: auto; }

/* 标定 + 描点顶点/边样式（SVG 元素） */
.plan-pt { fill: var(--text); }
.plan-pt--cali { fill: #fff; stroke: var(--text); stroke-width: 2; }
.plan-vertex { fill: var(--text); stroke: #fff; stroke-width: 1.5; cursor: pointer; }
.plan-edge { fill: none; stroke: var(--muted); stroke-width: 2; stroke-dasharray: 5 5; }
/* 已完成房间：统一「淡灰填充 + 深黑描边」，各种户型图上都清晰可辨 */
.plan-poly { fill: rgba(17,24,39,.14); stroke: #111; stroke-width: 2.5; }
.plan-cali-line { stroke: #e0a300; stroke-width: 3; }

/* 标定区块 */
.plan-cali { margin-top: 18px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; }
.plan-cali-head { font-size: 15px; font-weight: 700; }
.plan-cali-hint { margin-top: 6px; font-size: 13px; color: var(--muted); }
.plan-cali-status { margin-top: 10px; font-size: 13px; color: var(--muted); }
.plan-cali-status.ok { color: #0a7d3c; }
.plan-cali-status.err { color: #c0392b; }
.plan-calibrate-btnrow { margin-top: 12px; display: flex; gap: 8px; flex-wrap: wrap; }
.plan-calibrate-row { margin-top: 12px; display: flex; gap: 10px; align-items: center; max-width: 420px; }
.plan-calibrate-row .calc-input { flex: 1; }

/* 通用描点按钮 */
.plan-trace-btn {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  padding: 11px 18px; border-radius: 12px; font-size: 14px; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
.plan-trace-btn:hover { border-color: var(--text); color: var(--text); }
.plan-trace-btn--primary { background: var(--text); border-color: var(--text); color: #fff; }
.plan-trace-btn--primary:hover { background: #333; color: #fff; }
.plan-trace-btn--ghost { border-color: transparent; background: transparent; }
.plan-trace-btn--ghost:hover { color: var(--text); }

/* 正在描点的房间控制条 */
.plan-tracing {
  margin-top: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px;
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}
.plan-tracing-name { flex: 1; min-width: 180px; }
.plan-tracing-name .room-name { width: 100%; }
.plan-tracing-actions { display: flex; gap: 8px; }
.plan-tracing-hint { font-size: 12px; color: var(--muted); }

/* 画框列出的房间卡片 */
.plan-rooms { display: flex; flex-direction: column; gap: 10px; }
.plan-room-card {
  display: grid; grid-template-columns: 1fr 1fr 34px; gap: 10px; align-items: center;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: 14px; background: #fff;
}
.plan-room-card .prc-name { font-size: 14px; font-weight: 600; }
.plan-room-card .prc-area { font-size: 14px; color: var(--muted); }

/* 结果卡 */
.calc-result {
  max-width: 1000px; margin: 6px auto 80px; padding: 28px;
  border: 1px solid var(--line); border-radius: 20px; background: #fff;
}
.result-title { font-size: 13px; color: var(--muted); letter-spacing: .04em; text-transform: uppercase; }
.result-big { margin-top: 8px; font-size: clamp(40px, 6vw, 60px); font-weight: 700; line-height: 1; }
.res-unit { font-size: clamp(20px, 3vw, 28px); font-weight: 400; color: var(--muted); }
.result-meta { margin-top: 12px; font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.result-rows { margin-top: 22px; display: flex; flex-direction: column; gap: 8px; }
.res-row {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 16px; border-radius: 12px; background: #f5f5f7; font-size: 14px;
}
.res-row-name { font-weight: 600; }
.res-row-meta { color: var(--muted); font-size: 12px; }
.res-row-qty { font-weight: 700; white-space: nowrap; }
.res-row.qty-total { background: var(--text); color: #fff; }
.res-row.qty-total .res-row-meta { color: rgba(255,255,255,.75); }

/* 响应式 */
@media (max-width: 720px) {
  .calc-step { padding: 20px 16px; gap: 12px; }
  .calc-step-num { width: 30px; height: 30px; font-size: 14px; }
  .room-row { grid-template-columns: 1fr 1fr; }
  .room-remove { grid-column: 1 / -1; justify-self: end; width: 100%; border-radius: 10px; }
  .plan-room-card { grid-template-columns: 1fr 1fr; }
  .calc-result { padding: 22px 18px; }
}