/* SPDX-License-Identifier: Apache-2.0 */
/* Present technical chapters as numbered metal assemblies with inset reference notes. */
.chapter-navigation { display: grid; gap: 5px; margin: 0 0 19px; padding: 7px; border: 1px solid #a3c2ae; background: linear-gradient(110deg, #8ba596, #284b36); box-shadow: 2px 3px #071e12; }
.chapter-navigation > span { padding: 3px 5px; color: #102d1b; font: 7px/1.6 var(--display); letter-spacing: .8px; }
.chapter-navigation > div { display: flex; flex-wrap: wrap; gap: 4px; }
.chapter-navigation a { display: flex; align-items: center; flex: 1 1 130px; gap: 8px; padding: 9px; min-height: 42px; background: var(--metal); border: 1px solid #ddf7e5; border-bottom: 3px solid #4c7059; color: #173923; font-size: 15px; }
.chapter-navigation a > span { font: 8px/1.5 var(--display); opacity: .8; }
.chapter-navigation a[aria-current] { background: #193f2b; color: #ddffe6; border-color: #b0d9bd; box-shadow: inset 1px 2px 5px #0a1e13; }
.chapter-navigation a:hover { outline: 1px solid #dcffe6; outline-offset: 1px; }
.chapter-navigation a:focus-visible { outline-color: #effff3; }
.nav-links a.section-current { background: #36513f; color: #e0ffea; box-shadow: inset 1px 1px #15291b, inset -1px -1px #bad2bf; }
.manual-cover { background: linear-gradient(130deg, #cee9d7, #688b74 35%, #acc7b5 77%, #466a53); }
.manual-heading { position: relative; padding: 32px 28px; overflow: hidden; background: repeating-linear-gradient(0deg, #c9ffd706 0 1px, transparent 1px 3px), linear-gradient(110deg, #143a27 55%, #325c4077), url('../img/spatial-study.png') 64% 42% / cover; border: 1px solid #244c33; }
.manual-heading:after { content: ''; position: absolute; right: 16px; top: 20px; bottom: 20px; width: 8px; border-inline: 1px solid #c9ffd755; background: repeating-linear-gradient(0deg, #c9ffd777 0 2px, transparent 2px 9px); }
.manual-heading h1 { font: italic 35px/1.35 var(--display); letter-spacing: -1.8px; max-width: 23ch; }
.manual-heading .lead { margin: 20px 0 15px; font-size: 25px; max-width: 40ch; }
.manual-heading > p:last-child { max-width: 66ch; font-size: 18px; color: #c9e0d0; }
.specification-plate { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px; margin: 5px 0 0; }
.specification-plate > div { min-width: 0; padding: 5px; border: 1px solid #d6f1df; border-bottom: 4px solid #44624f; color: #143621; background: var(--metal); box-shadow: 1px 2px #071e11; }
.specification-plate dt { font: 6px/1.7 var(--display); letter-spacing: .6px; padding: 5px 7px 8px; }
.specification-plate dd { font: 600 19px/1.3 var(--body); margin: 0; padding: 12px; background: #163c28; color: #d7f7e1; border: 1px solid #173320; border-top: 3px solid #395a44; box-shadow: inset 1px 2px 4px #001b0e, 0 1px #e9fff0; }
.manual-index { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.manual-index a { font-size: 13px; }
.technical-chapter .reading-title { padding-block: 12px; }
.chapter-body { display: grid; grid-template-columns: minmax(0, 1fr) 190px; gap: 5px; }
.chapter-body .reading-body { padding: 26px; }
.reading-body > p, .chapter-body .reading-body > p { max-width: 69ch; font-size: 19px; line-height: 1.6; }
.reading-body .eyebrow { font: 600 12px/1.5 var(--body); letter-spacing: 1px; }
.technical-reading { grid-template-columns: 1fr; }
.technical-reading .reading-body { padding: 24px 27px; }
.technical-reading .reading-body .text-link { display: block; margin-top: 18px; width: fit-content; }
.margin-note { padding: 7px 13px 18px; min-width: 0; color: #aacdb6; background: repeating-linear-gradient(0deg, #c9ffd707 0 1px, transparent 1px 4px), #0e291c; border: 3px double #91ad9b; box-shadow: inset 2px 3px 8px #061b10; }
.note-index { font: 5px/1.8 var(--display); letter-spacing: .6px; padding: 8px 6px; margin-inline: -7px; display: block; border: 1px solid #d1eeda; border-bottom: 3px solid #53755e; background: var(--metal); color: #15371f; }
.margin-note h3 { font: 600 19px/1.35 var(--body); margin: 17px 0 10px; color: #d3f4df; }
.margin-note p { font-size: 15px; line-height: 1.55; margin: 0; }
.margin-note code { font: 12px/1.5 monospace; overflow-wrap: anywhere; color: #e3ffec; }
.definition-register, .capability-register { display: grid; gap: 14px; counter-reset: register; margin: 0; padding: 14px; border: 1px solid #587b64; background: repeating-linear-gradient(90deg, #b3d1bd19 0 1px, transparent 1px 7px), #092417; box-shadow: inset 0 3px 9px #03180b; }
.definition-register > div, .capability-register > div { position: relative; display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 6px; padding: 5px; border: 1px solid #d0e7d8; border-right-color: #5e7d68; border-bottom: 4px solid #5b7a64; background: linear-gradient(115deg, #d4e8d9, #789480 40%, #adccb7); box-shadow: 2px 3px #041c0d; counter-increment: register; }
.definition-register dt, .capability-register dt { position: relative; min-width: 0; padding: 12px 13px 24px; color: #163621; background: var(--metal); border: 1px solid #effff3; border-right-color: #65826e; box-shadow: inset 0 0 0 1px #c4d9ca; font: 600 19px/1.35 var(--body); }
.definition-register dt:before, .capability-register dt:before { content: '0' counter(register); display: block; width: fit-content; padding: 3px 9px; margin-bottom: 13px; border: 1px solid #294f34; color: #dcffe6; background: #33593f; box-shadow: inset 1px 1px #17371f, 1px 1px #f0fff4; font: 10px/1.5 var(--display); }
.definition-register dt:after, .capability-register dt:after { content: ''; position: absolute; bottom: 9px; left: 13px; width: 46px; height: 4px; background: repeating-linear-gradient(110deg, #375942 0 3px, transparent 3px 5px); }
.definition-register dd, .capability-register dd { position: relative; min-width: 0; margin: 0; padding: 20px 23px; color: #c5e2ce; background: repeating-linear-gradient(0deg, #c9ffd707 0 1px, transparent 1px 3px), linear-gradient(115deg, #173e28, #0c2a1b); border: 1px solid #173720; border-top: 4px solid #456b51; border-left: 3px solid #456b51; box-shadow: inset 2px 3px 8px #051c0e, 0 1px #e6ffec; font-size: 18px; line-height: 1.6; }
.definition-register dd:after, .capability-register dd:after { content: ''; position: absolute; right: 8px; bottom: 6px; width: 14px; height: 3px; border-inline: 3px solid #759d81; }
.capability-register { margin: 24px 0; }
.reading-page .side-rail { gap: 28px; }
.reading-page .control-note { margin-bottom: 0; }
.reading-page .window-title { height: auto; min-height: 34px; padding-block: 6px; }
.overview-brief { padding: 24px; background: linear-gradient(125deg, #4a6a55, #173724); border-bottom: 3px double #adcbb7; }
.overview-brief .instrument-title { margin-bottom: 0; }
.overview-brief-body { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; padding: 5px; background: #96b5a1; border: 1px solid #c3e2cd; }
.overview-brief article { padding: 25px; min-width: 0; background: repeating-linear-gradient(0deg, #c9ffd705 0 1px, transparent 1px 3px), #153623; }
.overview-brief h2 { margin: 0 0 18px; font-size: 15px; }
.overview-brief p { font-size: 18px; line-height: 1.55; color: #c2ddcd; }
.overview-brief .brief-index { display: block; font: 7px/1.7 var(--display); margin-bottom: 14px; color: #abd0b8; }
@container (max-width: 720px) {
  .chapter-body { grid-template-columns: 1fr; }
  .margin-note { padding: 9px 18px 18px; }
  .margin-note h3 { margin-top: 12px; }
  .margin-note p { font-size: 17px; max-width: 62ch; }
  .manual-index { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .manual-index a:first-child { grid-column: auto; }
  .manual-heading h1 { font-size: 29px; }
  .specification-plate { grid-template-columns: 1fr; }
  .specification-plate > div { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1fr); gap: 5px; align-items: stretch; padding: 5px; }
  .specification-plate dt { margin: 0; align-self: center; }
  .specification-plate dd { font-size: 18px; text-align: left; padding: 10px; }
  .definition-register, .capability-register { padding: 7px; gap: 13px; }
  .definition-register > div, .capability-register > div { grid-template-columns: 1fr; gap: 5px; padding: 4px; }
  .definition-register dt, .capability-register dt { display: flex; align-items: center; gap: 12px; padding: 10px; }
  .definition-register dt:before, .capability-register dt:before { flex: 0 0 auto; margin: 0; }
  .definition-register dt:after, .capability-register dt:after { display: none; }
  .definition-register dd, .capability-register dd { padding: 17px; }
}
@container (max-width: 440px) {
  .manual-heading { padding: 24px 18px; }
  .manual-heading h1 { font-size: 25px; letter-spacing: -.9px; }
  .manual-heading .lead { font-size: 23px; }
  .manual-heading:after { display: none; }
  .chapter-body .reading-body, .technical-reading .reading-body { padding: 20px 18px; }
  .reading-body > p, .chapter-body .reading-body > p { font-size: 18px; }
  .technical-chapter .reading-title h2 { font: 600 18px/1.4 var(--body); }
}
@media (max-width: 620px) {
  .chapter-navigation a { flex-basis: 100px; }
  .overview-brief { padding: 12px 9px; }
  .overview-brief-body { grid-template-columns: 1fr; }
  .overview-brief article { padding: 21px 18px; }
}
@media print {
  .chapter-navigation, .overview-brief, .specification-plate { display: none; }
  .manual-heading, .margin-note, .definition-register, .capability-register { color: black; background: white; box-shadow: none; }
  .chapter-body { display: block; }
  .technical-chapter { break-inside: auto; }
  .reading-title { break-after: avoid; }
  .margin-note { border: 1px solid #777; }
  .manual-heading:after { display: none; }
  .definition-register > div, .capability-register > div, .definition-register dt, .capability-register dt, .definition-register dd, .capability-register dd { background: white; box-shadow: none; border: 0; }
  .definition-register dt:before, .capability-register dt:before, .definition-register dt:after, .capability-register dt:after, .definition-register dd:after, .capability-register dd:after { display: none; }
}