.boiler-page { color: #172534; }
.boiler-page * { box-sizing: border-box; }
.boiler-page [hidden] { display: none !important; }
.boiler-heading { display: flex; align-items: center; gap: 22px; margin-bottom: 18px; }
.boiler-heading > div { flex: 1; min-width: 0; }
.boiler-heading img { display: block; width: 175px; height: 126px; object-fit: cover; object-position: right center; border: 1px solid #d6e1e4; border-radius: 6px; }
.boiler-eyebrow { margin: 0 0 7px !important; color: #087f6d; font-size: 13px !important; font-weight: 800; }
.boiler-heading h1 { margin: 0 0 10px; color: #122333; font-size: 30px; line-height: 1.3; }
.boiler-heading p:last-child { margin: 0; color: #506478; font-size: 15px; line-height: 1.7; }
.boiler-notice { margin: 0 0 22px; padding: 12px 14px; border-left: 3px solid #087f6d; background: #edf7f4; color: #365c60; font-size: 13px; line-height: 1.65; }
.boiler-notice strong { color: #075f52; }
.boiler-tool { border: 1px solid #d5e0e8; border-radius: 7px; background: #fff; overflow: hidden; }
#boiler-form { padding: 20px; }
.boiler-form-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 18px; }
.boiler-form-head h2 { margin: 0; font-size: 20px; }
.boiler-form-head span { color: #087f6d; font-size: 12px; font-weight: 800; }
.boiler-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.boiler-field { min-width: 0; }
.boiler-field.boiler-wide { grid-column: 1 / -1; }
.boiler-field label { display: block; margin-bottom: 6px; color: #243b4d; font-size: 13px; font-weight: 800; }
.boiler-field label small { color: #647789; font-weight: 400; }
.boiler-page input, .boiler-page select { width: 100%; min-width: 0; height: 43px; margin: 0; padding: 7px 10px; border: 1px solid #cbd9e2; border-radius: 5px; background: #fff; color: #213548; box-shadow: none; font-size: 14px; }
.boiler-page select { padding-right: 25px; text-overflow: ellipsis; }
.boiler-page input:focus-visible, .boiler-page select:focus-visible, .boiler-page button:focus-visible, .boiler-page summary:focus-visible, .boiler-page a:focus-visible { outline: 3px solid #1783aa; outline-offset: 2px; }
.boiler-field > small { display: block; margin-top: 5px; color: #617487; font-size: 11px; line-height: 1.5; }
.boiler-area-row { display: flex; gap: 8px; }
.boiler-area-row input { flex: 1; }
.boiler-segment { display: flex; flex: 0 0 auto; border: 1px solid #cbd9e2; border-radius: 5px; overflow: hidden; }
.boiler-page .boiler-segment button { width: 48px; height: 41px; margin: 0; padding: 0; border: 0; border-radius: 0; background: #fff; color: #425b6b; box-shadow: none; font-size: 13px; }
.boiler-page .boiler-segment button.is-active { background: #087f6d; color: #fff; }
.boiler-shortcuts { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; margin-top: 11px; }
.boiler-shortcuts span { margin-right: 4px; color: #607486; font-size: 11px; }
.boiler-page .boiler-shortcuts button { min-height: 31px; margin: 0; padding: 3px 8px; border: 1px solid #d5e0e8; border-radius: 4px; background: #fff; color: #36556b; box-shadow: none; font-size: 11px; }
.boiler-page .boiler-shortcuts button:hover { border-color: #68ad9c; background: #f3faf7; }
.boiler-advanced { margin-top: 20px; padding: 0 0 0; border-top: 1px solid #d5e0e8; }
.boiler-advanced summary { padding: 15px 0; color: #244959; font-size: 14px; font-weight: 800; cursor: pointer; }
.boiler-advanced .boiler-grid { padding: 2px 0 12px; }
.boiler-advanced > p { margin: 0 0 5px; color: #617487; font-size: 12px; line-height: 1.6; }
.boiler-input-unit { display: flex; align-items: center; border: 1px solid #cbd9e2; border-radius: 5px; }
.boiler-input-unit input { border: 0; }
.boiler-input-unit span { flex: none; padding: 0 10px; color: #647789; font-size: 12px; }
.boiler-actions, .boiler-result-actions { display: flex; gap: 8px; margin-top: 20px; }
.boiler-page .boiler-actions button, .boiler-page .boiler-result-actions button { min-height: 44px; margin: 0; padding: 8px 15px; border: 1px solid #087f6d; border-radius: 5px; background: #087f6d; color: #fff; box-shadow: none; font-size: 13px; font-weight: 800; }
.boiler-page .boiler-actions button[type=reset], .boiler-page .boiler-result-actions button { border-color: #cbd9e2; background: #fff; color: #345465; }
#boiler-status, #boiler-action-status { min-height: 18px; margin: 8px 0 0; color: #a54538; font-size: 12px; }
.boiler-result { padding: 20px; border-top: 1px solid #d5e0e8; scroll-margin-top: 75px; }
.boiler-result-head { padding: 17px; border: 1px solid #c4e0d7; border-radius: 6px; background: #edf7f3; }
.boiler-result-head span { color: #075f52; font-size: 13px; font-weight: 800; }
.boiler-result-head h2 { margin: 5px 0 3px; color: #103b3e; font-size: 28px; line-height: 1.35; outline: none; }
.boiler-result-head > strong { display: block; color: #244a57; font-size: 18px; }
.boiler-result-head p { margin: 8px 0 0; color: #0c6b5e; font-size: 14px; font-weight: 800; }
.boiler-result-head small { display: block; margin-top: 7px; color: #526a75; font-size: 11px; line-height: 1.55; }
.boiler-metrics { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 18px; margin-top: 19px; }
.boiler-metrics div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 10px; padding: 10px 0; border-bottom: 1px solid #e0e8ec; }
.boiler-metrics span { color: #617486; font-size: 12px; }
.boiler-metrics strong { color: #263f4d; font-size: 12px; text-align: right; }
.boiler-process { margin-top: 22px; }
.boiler-process h3 { margin: 0 0 9px; font-size: 18px; }
#boiler-process-lines { border-top: 1px solid #d5e0e8; }
#boiler-process-lines div { display: grid; grid-template-columns: 130px minmax(0,1fr); gap: 12px; padding: 11px 0; border-bottom: 1px solid #e0e8ec; }
#boiler-process-lines span { color: #345465; font-size: 12px; font-weight: 800; }
#boiler-process-lines strong { color: #3d5564; font-size: 12px; line-height: 1.55; font-weight: 400; overflow-wrap: anywhere; }
.boiler-process p, .boiler-existing { margin: 10px 0 0; color: #617486; font-size: 12px; line-height: 1.65; }
.boiler-existing { padding: 10px 12px; border-left: 3px solid #a9cbc6; background: #f4f9f8; }
.boiler-guide { margin-top: 28px; padding-top: 20px; border-top: 1px solid #d5e0e8; }
.boiler-guide h2 { margin: 26px 0 10px; color: #172b3b; font-size: 22px; line-height: 1.35; }
.boiler-guide > h2:first-child { margin-top: 0; }
.boiler-guide p { margin: 0; color: #526578; font-size: 14px; line-height: 1.75; }
.boiler-guide-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 20px; margin-top: 15px; }
.boiler-guide-grid section { padding: 15px 0; border-top: 1px solid #d5e0e8; }
.boiler-guide-grid h3 { margin: 0 0 5px; font-size: 16px; }
.boiler-guide-grid p { font-size: 13px; }
.boiler-source { margin-top: 19px !important; padding: 12px; border-left: 3px solid #087f6d; background: #edf7f4; font-size: 12px !important; }
.boiler-faq { margin-top: 25px; padding-top: 1px; border-top: 1px solid #d5e0e8; }
.boiler-faq details { padding: 12px 0; border-bottom: 1px solid #d5e0e8; }
.boiler-faq summary { color: #244153; font-size: 14px; font-weight: 800; cursor: pointer; }
.boiler-faq p { margin-top: 8px; font-size: 13px; }
.boiler-related { margin-top: 26px; padding-top: 1px; border-top: 1px solid #d5e0e8; }
.boiler-related > div { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 9px; }
.boiler-related a { display: flex; align-items: center; min-height: 55px; padding: 9px; border: 1px solid #d5e0e8; border-radius: 5px; color: #244153; font-size: 13px; font-weight: 700; text-decoration: none; }
.boiler-related a:hover { border-color: #8bc6b6; background: #f4faf7; }
@media(max-width:700px) { .boiler-heading img { width: 105px; height: 105px; } .boiler-heading h1 { font-size: 25px; } }
@media(max-width:760px) {
  body.boiler-capacity-page .modern-sidebar .modern-sidebar-toggle { position: static !important; width: 100% !important; min-width: 0 !important; }
}
@media(max-width:480px) {
  .boiler-heading img { display: none; }
  .boiler-grid, .boiler-metrics, .boiler-guide-grid, .boiler-related > div { grid-template-columns: 1fr; }
  .boiler-field.boiler-wide { grid-column: auto; }
  #boiler-form, .boiler-result { padding: 15px; }
  .boiler-form-head { align-items: center; }
  .boiler-form-head h2 { font-size: 17px; line-height: 1.35; }
  .boiler-form-head span { flex: none; white-space: nowrap; }
  .boiler-actions { flex-direction: column; }
  .boiler-page .boiler-actions button { width: 100%; white-space: normal; }
  #boiler-process-lines div { grid-template-columns: 1fr; gap: 3px; }
  .boiler-result-head h2 { font-size: 23px; }
}