/* =====================================================================
 * 02 装修噪音取证 · 独立版式「24 小时时段轴 + 读数波形」
 * 声波紫 · 横向时刻条 · 柱形波形 · 证据缺项贴
 * ===================================================================== */
.cb--rn { --cb-a: #6b4fa8; --cb-a-soft: #ece6f8; }
:root[data-theme="dark"] .cb--rn { --cb-a: #bb9bec; --cb-a-soft: #2c2440; }

.rn-hero { padding-top: 30px; }
.rn-board { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .76fr); gap: 13px; margin-top: 20px; align-items: start; }
.rn-form { border-top: 3px solid var(--cb-a); }
.rn-fields { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rn-flags { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; margin-top: 13px; }
.rn-flags .cb-check { padding: 7px 9px; }
.rn-flags .cb-check b { font-size: 12px; }

/* 24 小时轴 */
.rn-axis { background: var(--cb-card); border: 1px solid var(--cb-line2); border-radius: var(--cb-r); box-shadow: var(--cb-shadow-sm); padding: 16px; }
.rn-axis-head, .rn-wave-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--cb-line2); padding-bottom: 9px; }
.rn-axis-head span, .rn-wave-head span { font-family: var(--cb-font-mono); font-size: 9.5px; letter-spacing: .16em; color: var(--cb-a); }
.rn-axis-head b, .rn-wave-head b { font-family: var(--cb-font-mono); font-size: 13px; }
.rn-axis-labels { display: flex; justify-content: space-between; font-family: var(--cb-font-mono); font-size: 10px; color: var(--cb-muted); margin: 14px 0 5px; }
.rn-axis-track { position: relative; height: 34px; border-radius: 2px; background: var(--cb-a-soft); border: 1px solid var(--cb-line2); overflow: hidden; }
.rn-axis-day { position: absolute; top: 0; bottom: 0; background: var(--cb-warn-soft); border-left: 1px dashed var(--cb-warn); border-right: 1px dashed var(--cb-warn); }
.rn-axis-span { position: absolute; top: 9px; height: 16px; border-radius: 2px; background: var(--cb-a); box-shadow: 0 0 0 1px rgba(0,0,0,.08); min-width: 3px; }
.rn-axis-span.is-night { background: var(--cb-danger); }
.rn-axis-note { font-size: 11.5px; line-height: 1.75; color: var(--cb-muted); margin-top: 9px; }
.rn-wave-head { margin-top: 18px; }
.rn-wave { display: flex; align-items: flex-end; gap: 5px; height: 108px; margin-top: 12px; padding: 0 2px; border-bottom: 1px solid var(--cb-line2); }
.rn-wave-bar { flex: 1; min-width: 8px; background: var(--cb-a); border-radius: 2px 2px 0 0; position: relative; opacity: .82; }
.rn-wave-bar.is-night { background: var(--cb-danger); }
.rn-wave-bar span { position: absolute; left: 50%; top: -17px; transform: translateX(-50%); font-family: var(--cb-font-mono); font-size: 9.5px; color: var(--cb-ink2); white-space: nowrap; }
.rn-wave-empty { width: 100%; text-align: center; align-self: center; font-size: 12px; color: var(--cb-muted); }
.rn-wave-foot { font-size: 11px; line-height: 1.7; color: var(--cb-muted); margin-top: 8px; }
.rn-missing { margin-top: 15px; padding-top: 12px; border-top: 1px dashed var(--cb-line2); }
.rn-missing > span { display: block; font-size: 11.5px; color: var(--cb-muted); margin-bottom: 7px; }
.rn-missing > div { display: flex; flex-wrap: wrap; gap: 5px; }
.rn-tag { padding: 2px 8px; border-radius: 2px; font-size: 11px; background: var(--cb-warn-soft); color: var(--cb-warn); }
.rn-tag.is-ok { background: var(--cb-ok-soft); color: var(--cb-ok); }

.rn-batch { min-width: 860px; }
.rn-batch td input[type="text"], .rn-batch td input[type="date"], .rn-batch td input[type="time"], .rn-batch td input[type="number"] { padding: 5px 7px; font-size: 12px; min-width: 62px; }
.rn-prose b { color: var(--cb-ink); }
.rn-prose p { margin-bottom: 11px; }

@media (max-width: 1000px) { .rn-board { grid-template-columns: 1fr; } }
@media (max-width: 700px) {
    .rn-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .rn-flags { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 430px) { .rn-fields, .rn-flags { grid-template-columns: 1fr; } }