/* 分屏（P2 流程 / P3 光谱 / P4 结果）外壳与共享组件。
   P1 装置屏仍由 styles.css 负责；这里只管非 3D 的三屏。 */

body:not([data-step="1"]) .stage,
body:not([data-step="1"]) .inspector,
body:not([data-step="1"]) .result { display: none !important; }

body:not([data-step="1"]) .actions { display: none; }
body:not([data-step="1"]) .steps {
  left: auto;
  right: 28px;
  transform: none;
  margin-left: 0;
}

#screens { position: fixed; inset: 72px 0 0; z-index: 16; }
body[data-step="1"] #screens { display: none; }

.screen {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  background:
    radial-gradient(120% 70% at 50% -12%, #ffffff 0%, rgba(255, 255, 255, 0) 58%),
    linear-gradient(180deg, #f1f4f7 0%, var(--bg) 34%, #eceff3 100%);
  opacity: 1;
  animation: screen-in 280ms var(--ease);
}
/* 只动位移、不动不透明度：即使动画时间轴未推进，分屏也始终可见 */
@keyframes screen-in { from { transform: translateY(6px); } to { transform: none; } }

.screen-inner { max-width: 1200px; margin: 0 auto; padding: 44px 32px 110px; }

.screen-head { margin-bottom: 28px; }
.screen-head h2 { margin: 0 0 12px; font-family: var(--serif); font-size: 32px; line-height: 1.3; letter-spacing: 0.005em; font-weight: 600; }
.screen-head .lead { margin: 0; max-width: 800px; color: var(--text-2); font-size: 14px; line-height: 1.8; }
.screen-head .lead b { color: var(--text); font-weight: 620; }

.eyebrow {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-ink);
}

.screen-grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
.grid-2b { grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack { display: grid; gap: 16px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-panel);
  padding: 18px 20px;
  min-width: 0;
}
.panel.is-flat { box-shadow: none; background: rgba(255, 255, 255, 0.7); }

.panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.panel-head h3 { margin: 0; font-size: 14px; font-weight: 650; letter-spacing: 0.01em; }
.panel-head .sub { font-size: 11.5px; color: var(--text-3); }
.panel-title-note { margin: -6px 0 14px; font-size: 12px; color: var(--text-3); line-height: 1.6; }

.kpi-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi-row.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpi {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 13px 11px;
  background: linear-gradient(180deg, #ffffff, #fafbfc);
}
.kpi .kpi-label { display: block; font-size: 11px; color: var(--text-3); letter-spacing: 0.02em; }
.kpi .kpi-value { display: block; margin-top: 6px; font-family: var(--mono); font-size: 21px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpi .kpi-sub { display: block; margin-top: 3px; font-size: 11px; color: var(--text-3); }
.kpi.is-accent .kpi-value { color: var(--accent-ink); }
.kpi.is-warn .kpi-value { color: var(--warn); }

.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 12px 0 0; font-size: 11.5px; color: var(--text-3); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 9px; height: 9px; border-radius: 3px; display: inline-block; }
.legend i.line { height: 2px; border-radius: 1px; width: 14px; }

.seg { display: inline-flex; gap: 2px; padding: 3px; border-radius: 9px; background: rgba(16, 24, 40, 0.055); }
.seg button {
  border: 0;
  background: transparent;
  padding: 5px 11px;
  border-radius: 7px;
  font-size: 12px;
  color: var(--text-2);
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease);
}
.seg button:hover { color: var(--text); }
.seg button[aria-pressed="true"] { background: #fff; color: var(--text); font-weight: 600; box-shadow: 0 1px 3px rgba(16, 24, 40, 0.14); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 22px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.01em;
  color: var(--accent-ink);
  background: rgba(15, 163, 146, 0.1);
  white-space: nowrap;
}
.tag.is-blue { color: var(--blue-ink); background: rgba(61, 123, 253, 0.1); }
.tag.is-warn { color: var(--warn); background: rgba(183, 121, 31, 0.12); }
.tag.is-quiet { color: var(--text-3); background: rgba(16, 24, 40, 0.06); }

.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
  font-size: 11.5px;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

.tbl { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.tbl th, .tbl td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: baseline; }
.tbl thead th { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; color: var(--text-3); border-bottom-color: var(--line-strong); }
.tbl tbody tr:last-child td { border-bottom: 0; }
.tbl tbody tr.is-active td { background: rgba(15, 163, 146, 0.06); }
.tbl td.num, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.tbl td strong { font-weight: 650; }

.footnote { margin: 14px 0 0; font-size: 11.5px; line-height: 1.65; color: var(--text-3); }
.footnote b { color: var(--text-2); font-weight: 600; }

.caveat {
  margin: 0;
  padding: 10px 12px 10px 14px;
  border-left: 2px solid var(--warn);
  border-radius: 0 8px 8px 0;
  background: rgba(183, 121, 31, 0.07);
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.65;
}

.dot-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.dot-list li { position: relative; padding-left: 16px; font-size: 12.5px; line-height: 1.65; color: var(--text-2); }
.dot-list li::before { content: ""; position: absolute; left: 0; top: 7px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.dot-list li b { color: var(--text); font-weight: 620; }
.dot-list.is-num { counter-reset: n; }
.dot-list.is-num li::before { content: counter(n); counter-increment: n; background: none; color: var(--accent-ink); font-family: var(--mono); font-size: 10.5px; top: 3px; font-weight: 600; }

.screen canvas { display: block; max-width: 100%; }

@media (max-width: 1080px) {
  .grid-2, .grid-2b, .grid-3 { grid-template-columns: minmax(0, 1fr); }
  .kpi-row, .kpi-row.cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  /* P1 上 steps 会隐藏（由 styles.css 的小屏规则决定），但分屏必须能导航回来 */
  body:not([data-step="1"]) .steps { position: static; display: flex; margin-left: auto; gap: 2px; }
  body:not([data-step="1"]) .step { padding: 0 8px; }
  body:not([data-step="1"]) .step span { display: none; }
  body:not([data-step="1"]) .brand-text p { display: none; }
}

@media (max-width: 720px) {
  .screen-inner { padding: 26px 16px 92px; }
  .screen-head h2 { font-size: 24px; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}