/* Three Startseite diagrams only. Banners, formula and shared navigation stay unchanged. */
#startseite .foundation-live {
  --diagram-text: #f6f0df;
  --diagram-muted: #c9c8c1;
  --diagram-bg: #0c0d0e;
  color: var(--diagram-text);
  background: var(--diagram-bg);
  padding: clamp(18px, 3vw, 36px);
  font-size: 16px;
  line-height: 1.65;
  text-align: left;
  min-width: 0;
}
#startseite .foundation-live * { box-sizing: border-box; min-width: 0; }
#startseite .foundation-live p { margin: 0 0 18px; color: var(--diagram-muted); max-width: none; }
#startseite .foundation-live .foundation-lead { font-size: clamp(20px, 2.2vw, 28px); line-height: 1.35; color: var(--diagram-text); font-weight: 750; }
#startseite .foundation-live h4 { margin: 0 0 10px; font-size: 18px; line-height: 1.35; color: var(--diagram-text); overflow-wrap: anywhere; hyphens: auto; }
#startseite .foundation-live ul, #startseite .foundation-live ol { list-style: none; padding: 0; margin: 0; }
#startseite .foundation-live li::before { content: none; }
#startseite .spectrum-direction { display: flex; justify-content: space-between; gap: 20px; font-size: 14px; color: var(--diagram-muted); }
#startseite .spectrum-direction span:last-child { text-align: right; }
#startseite .spectrum-wave { display: block; width: 100%; height: 70px; margin: 12px 0 0; }
#startseite .spectrum-numbers { display: grid; grid-template-columns: repeat(7,minmax(0,1fr)); gap: 0; margin: 0 0 28px; }
#startseite .spectrum-numbers > span { display: grid; justify-items: center; }
#startseite .spectrum-numbers > span::before { content: ""; height: 12px; width: 1px; background: var(--topic-color); margin-bottom: 6px; }
#startseite .spectrum-number { display: inline-grid; place-items: center; width: 28px; height: 28px; flex: 0 0 28px; border: 1px solid var(--topic-color); border-radius: 50%; color: var(--diagram-text); font-size: 15px; line-height: 1; font-weight: 750; vertical-align: middle; }
#startseite .spectrum-bands h4 { display: flex; align-items: center; gap: 9px; }
#startseite .spectrum-bands { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px 18px; }
#startseite .spectrum-bands li { border-top: 4px solid var(--topic-color); padding-top: 16px; }
#startseite .spectrum-bands .spectrum-visible { border-image: linear-gradient(to right, #ee6464, #f2aa54, #ebdc65, #92d693, #85c9eb, #b9a0f0) 1; }
#startseite .spectrum-bands strong { display: block; font-size: 15px; margin-bottom: 8px; color: var(--diagram-text); }
#startseite .spectrum-bands p { font-size: 15px; margin: 0; }
#startseite .spectrum-usage { margin: 24px 0; padding: clamp(18px, 2.4vw, 28px); border: 1px solid #bda866; border-left: 4px solid #e8ce80; border-radius: 6px; background: color-mix(in srgb, #bda866 12%, var(--diagram-bg)); }
#startseite .spectrum-usage h4 { font-size: clamp(20px, 2vw, 25px); }
#startseite .spectrum-usage p { margin: 0; }
#startseite .spectrum-detail-button, #startseite .spectrum-line-button, #startseite .spectrum-jump { font: inherit; color: var(--diagram-text); border: 1px solid var(--topic-color); background: color-mix(in srgb, var(--topic-color) 12%, var(--diagram-bg)); cursor: pointer; box-shadow: none; white-space: normal; }
#startseite .spectrum-detail-button { display: flex; align-items: center; gap: 9px; padding: 8px; border-radius: 5px; min-height: 44px; max-width: 100%; text-align: left; overflow-wrap: anywhere; }
#startseite .spectrum-line-button { padding: 10px 12px; border-radius: 5px; min-height: 44px; max-width: 100%; text-align: left; margin-bottom: 8px; }
#startseite .spectrum-numbers .spectrum-jump { width: min(44px, 100%); height: 44px; font-size: 17px; font-weight: 750; padding: 0; }
#startseite .spectrum-jump[aria-pressed="true"] { box-shadow: inset 0 0 0 2px var(--topic-color); background: color-mix(in srgb, var(--topic-color) 28%, var(--diagram-bg)); }
#startseite .spectrum-bands .spectrum-selected { outline: 2px solid var(--topic-color); outline-offset: 7px; border-radius: 3px; background: color-mix(in srgb, var(--topic-color) 8%, var(--diagram-bg)); }
#startseite :is(.spectrum-detail-button, .spectrum-line-button, .spectrum-jump):hover { background: color-mix(in srgb, var(--topic-color) 24%, var(--diagram-bg)); }
#startseite :is(.spectrum-detail-button, .spectrum-line-button, .spectrum-jump, .spectrum-reset, .spectrum-close):focus-visible { outline: 3px solid var(--diagram-text); outline-offset: 3px; }
#startseite .spectrum-status:empty, #startseite .spectrum-reset[hidden], #startseite .spectrum-dialog-line[hidden] { display: none; }
#startseite .spectrum-reset, #startseite .spectrum-close { min-height: 44px; padding: 10px 16px; border: 1px solid #bda866; border-radius: 5px; background: var(--diagram-bg); color: var(--diagram-text); font: inherit; cursor: pointer; }
#startseite .spectrum-reset { margin-bottom: 24px; }
#startseite .spectrum-dialog { width: min(560px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); margin: auto; padding: 24px; border: 1px solid var(--topic-color); border-radius: 8px; background: var(--diagram-bg); color: var(--diagram-text); overflow: auto; line-height: 1.6; }
#startseite .spectrum-dialog::backdrop { background: #000b; }
#startseite .spectrum-close { display: block; margin: 0 0 20px auto; }
#startseite .spectrum-dialog h4 { font-size: 26px; }
#startseite .spectrum-dialog h5 { font-size: 17px; margin: 18px 0 10px; }
#startseite .spectrum-dialog a { color: var(--diagram-text); display: inline-block; margin-bottom: 18px; text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
#startseite .spectrum-dialog-line { padding-left: 12px; border-left: 3px solid var(--topic-color); }
#startseite .foundation-pair { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; margin: 28px 0; padding: 22px 0; border-block: 1px solid #a48d514d; }
#startseite .foundation-pair strong { display: block; color: var(--diagram-text); }
#startseite .foundation-pair p { margin: 0; }
#startseite .foundation-live .foundation-small { font-size: 14px; line-height: 1.6; }
#startseite .foundation-live .foundation-source { margin: 22px 0 0; font-size: 14px; }
#startseite .foundation-source a { color: #ead18b; text-decoration: underline; text-underline-offset: 4px; }
#startseite .origin-map { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 26px; margin: 28px 0 !important; }
#startseite .origin-map li { display: flex; gap: 16px; align-items: start; }
#startseite .origin-number { flex: 0 0 40px; color: var(--topic-color); font-size: 24px; font-weight: 800; border-top: 3px solid var(--topic-color); padding-top: 7px; }
#startseite .origin-map p { margin: 0; }
#startseite .periodic-card .element-usage { margin: 24px 0 30px; padding: clamp(18px, 2.4vw, 28px); border: 1px solid #bda866; border-left: 4px solid #e8ce80; border-radius: 6px; background: color-mix(in srgb, #bda866 12%, var(--diagram-bg)); }
#startseite .periodic-card .element-usage h4 { font-size: clamp(20px, 2vw, 25px); margin-bottom: 20px; }
#startseite .periodic-card .element-usage-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
#startseite .periodic-card .element-usage-steps strong { display: block; margin-bottom: 8px; color: var(--diagram-text); font-size: 17px; }
#startseite .periodic-card .element-usage-steps p { margin: 0; font-size: 16px; line-height: 1.6; }
@media (max-width: 800px) {
  #startseite .periodic-card .element-usage-steps { grid-template-columns: 1fr; gap: 18px; }
}
#startseite .foundation-disclosure { border-block: 1px solid #a48d5180; margin-top: 24px; }
#startseite .foundation-disclosure summary { cursor: pointer; padding: 18px 0; font-weight: 750; color: var(--diagram-text); min-height: 48px; }
#startseite .foundation-disclosure[open] { padding-bottom: 22px; }
#startseite .foundation-live .element-layout-note { font-size: 14px; }
#startseite .element-table { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 7px; }
#startseite .element-table li { display: flex; flex-direction: column; justify-content: start; padding: 9px 6px; border: 1px solid #a48d5166; border-radius: 4px; background: #a48d510b; overflow-wrap: anywhere; hyphens: auto; }
#startseite .element-table strong { color: var(--diagram-text); font-size: 24px; line-height: 1.3; }
#startseite .element-table span { font-size: 13px; color: var(--diagram-muted); line-height: 1.4; }
#startseite .element-table .element-number { color: #dfc479; font-size: 12px; }
#startseite .element-table li { position: relative; border-color: color-mix(in srgb, var(--element-accent) 62%, transparent); background: color-mix(in srgb, var(--element-accent) 15%, var(--diagram-bg)); padding-top: 13px; }
#startseite .element-table li::after { content: ""; position: absolute; inset: 0 0 auto; height: 5px; background: var(--element-stripes); border-radius: 3px 3px 0 0; }
#startseite .element-table .element-origins { margin-top: auto; padding-top: 8px; color: var(--diagram-text); font-size: 12px; font-weight: 700; letter-spacing: .03em; }
#startseite .element-table .element-origin-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
#startseite [data-elements-ready] .element-table li { padding: 0; background: var(--element-zones); }
#startseite .element-table .element-button { display: flex; flex-direction: column; align-items: flex-start; width: 100%; height: 100%; min-height: 100px; padding: 13px 6px 9px; border: 0; border-radius: 4px; background: transparent; color: var(--diagram-text); text-align: left; font: inherit; cursor: pointer; box-shadow: none; white-space: normal; }
#startseite .element-button:focus-visible { outline: 3px solid var(--diagram-text); outline-offset: 3px; }
#startseite .element-table li.element-muted { border-color: #8885; background: var(--diagram-bg); }
#startseite .element-table li.element-muted::after { opacity: .2; }
#startseite .element-table li.element-matched { outline: 2px solid var(--element-accent); outline-offset: 1px; }
#startseite .origin-filter { color: inherit; font: inherit; text-align: left; padding: 8px 12px; margin: 0; max-width: 100%; overflow-wrap: anywhere; hyphens: auto; background: color-mix(in srgb, var(--topic-color) 12%, var(--diagram-bg)); border: 1px solid var(--topic-color); border-radius: 4px; cursor: pointer; white-space: normal; min-height: 44px; }
#startseite .origin-filter:hover { background: color-mix(in srgb, var(--topic-color) 22%, var(--diagram-bg)); }
#startseite .origin-filter[aria-pressed="true"] { background: color-mix(in srgb, var(--topic-color) 28%, var(--diagram-bg)); box-shadow: inset 0 0 0 2px var(--topic-color); }
#startseite .origin-filter:focus-visible, #startseite .element-filter-reset:focus-visible, #startseite .element-close:focus-visible { outline: 3px solid var(--diagram-text); outline-offset: 3px; }
#startseite .element-filter-status:empty { display: none; }
#startseite .element-filter-reset, #startseite .element-close { padding: 10px 16px; min-height: 44px; color: var(--diagram-text); border: 1px solid #a48d5180; background: var(--diagram-bg); border-radius: 5px; font: inherit; cursor: pointer; }
#startseite .element-filter-reset { margin: 0 0 18px; }
#startseite .element-filter-reset[hidden] { display: none; }
#startseite .element-notes { margin-top: 20px; border-top: 1px solid #a48d5180; }
#startseite .element-notes summary { padding: 18px 0; cursor: pointer; font-weight: 700; }
#startseite .element-dialog { width: min(560px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); margin: auto; padding: 24px; border: 1px solid #bda866; border-radius: 8px; background: var(--diagram-bg); color: var(--diagram-text); overflow: auto; line-height: 1.6; }
#startseite .element-dialog::backdrop { background: #000b; }
#startseite .element-close { display: block; margin: 0 0 20px auto; }
#startseite .element-dialog #element-dialog-name { font-size: 30px; }
#startseite .element-dialog .element-dialog-symbol { font-size: 42px; color: var(--diagram-text); margin-bottom: 14px; }
#startseite .element-dialog-origins li { border-left: 4px solid var(--topic-color); padding-left: 14px; margin-bottom: 18px; }
#startseite .element-dialog-origins strong { display: block; margin-bottom: 8px; }
@media (min-width: 1200px) {
  #startseite [data-elements-ready] .element-button .element-name { display: none; }
}
#startseite .particle-groups { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; margin: 26px 0; }
#startseite .particle-group { border-top: 3px solid var(--topic-color); padding-top: 16px; }
#startseite .particle-tiles { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin: 18px 0 !important; }
#startseite .particle-group.b .particle-tiles { grid-template-columns: repeat(2,minmax(0,1fr)); }
#startseite .particle-tiles li { border: 1px solid color-mix(in srgb, var(--topic-color) 50%, transparent); border-radius: 5px; padding: 12px 5px; text-align: center; }
#startseite .particle-tiles strong { display: block; color: var(--topic-color); font-size: 30px; font-weight: 600; line-height: 1.4; }
#startseite .particle-tiles span { display: block; font-size: 13px; line-height: 1.4; overflow-wrap: anywhere; }
#startseite .particle-group p { font-size: 15px; }
#startseite .particle-usage { margin: 24px 0; padding: clamp(18px, 2.4vw, 28px); border: 1px solid #bda866; border-left: 4px solid #e8ce80; border-radius: 6px; background: color-mix(in srgb, #bda866 12%, var(--diagram-bg)); }
#startseite .particle-usage h4 { font-size: clamp(20px, 2vw, 25px); }
#startseite .particle-usage p { margin: 0; }
#startseite :is(.particle-filter,.particle-topic-button,.particle-tile-button) { font: inherit; color: var(--diagram-text); border: 1px solid var(--topic-color); border-radius: 5px; background: color-mix(in srgb, var(--topic-color) 12%, var(--diagram-bg)); cursor: pointer; white-space: normal; max-width: 100%; min-height: 44px; padding: 8px 10px; overflow-wrap: anywhere; text-align: left; }
#startseite .particle-filter[aria-pressed="true"] { box-shadow: inset 0 0 0 2px var(--topic-color); }
#startseite .particle-group.particle-selected { outline: 2px solid var(--topic-color); outline-offset: 8px; border-radius: 4px; }
#startseite [data-particles-ready] .particle-tiles li { border: 0; padding: 0; }
#startseite .particle-tiles .particle-tile-button { width: 100%; height: 100%; padding: 12px 5px; text-align: center; }
#startseite :is(.particle-filter,.particle-topic-button,.particle-tile-button):hover { background: color-mix(in srgb, var(--topic-color) 24%, var(--diagram-bg)); }
#startseite :is(.particle-filter,.particle-topic-button,.particle-tile-button,.particle-close,.particle-reset):focus-visible { outline: 3px solid var(--diagram-text); outline-offset: 3px; }
#startseite .particle-reset[hidden], #startseite .particle-status:empty { display: none; }
#startseite .particle-close, #startseite .particle-reset { min-height: 44px; padding: 10px 16px; border: 1px solid #bda866; border-radius: 5px; background: var(--diagram-bg); color: var(--diagram-text); font: inherit; cursor: pointer; }
#startseite .particle-reset { margin-bottom: 18px; }
#startseite .particle-dialog { width: min(540px, calc(100vw - 32px)); max-height: calc(100dvh - 40px); margin: auto; padding: 24px; border: 1px solid var(--topic-color); border-radius: 8px; background: var(--diagram-bg); color: var(--diagram-text); overflow: auto; line-height: 1.6; }
#startseite .particle-dialog::backdrop { background: #000b; }
#startseite .particle-close { display: block; margin: 0 0 20px auto; }
#startseite .particle-dialog h4 { font-size: 28px; }
#startseite .particle-dialog .particle-dialog-symbol { font-size: 40px; color: var(--diagram-text); }
#startseite .particle-dialog a { color: var(--diagram-text); text-decoration: underline; text-underline-offset: 4px; }
#startseite .particle-generations { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin-top: 18px; text-align: center; color: var(--diagram-muted); font-size: 13px; line-height: 1.35; }
#startseite .particle-generations + .particle-tiles { margin-top: 8px !important; }
@media (min-width: 901px) {
  /* Match the generation label (13px × 1.35) and its 18px/8px margins. */
  #startseite .particle-group.b .particle-tiles { margin-top: calc(26px + 13px * 1.35) !important; }
}
#startseite .standardmodel-card sub { font-size: .65em; line-height: 0; vertical-align: -.25em; }
#startseite .particle-properties { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin: 0 0 18px; }
#startseite .particle-properties > div { padding: 10px 0; border-block: 1px solid #a48d5166; }
#startseite .particle-properties dt { font-size: 14px; color: var(--diagram-muted); overflow-wrap: anywhere; }
#startseite .particle-properties dd { margin: 6px 0 0; font-size: 18px; font-weight: 700; }
#startseite .particle-properties[hidden], #startseite .particle-property-help[hidden], #startseite .particle-mediator-status:empty { display: none; }
#startseite .particle-tiles .particle-mediator { outline: 3px solid var(--topic-color); outline-offset: 3px; border-radius: 5px; }
#startseite .particle-tiles .particle-mediator-badge { display: block; margin-top: 8px; font-size: 13px; font-weight: 800; color: var(--diagram-text); }
#startseite .particle-topic-button[aria-pressed="true"] { box-shadow: inset 0 0 0 2px var(--topic-color); }
#startseite .particle-atom { margin: 24px 0; padding: 24px 0; border-block: 1px solid #bda86680; }
#startseite .particle-atom-choices { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0; }
#startseite .particle-atom-choices button { padding: 10px 18px; min-height: 44px; border: 1px solid #bda866; border-radius: 5px; background: color-mix(in srgb, #bda866 12%, var(--diagram-bg)); color: var(--diagram-text); font: inherit; cursor: pointer; }
#startseite .particle-atom-choices button[aria-pressed="true"] { box-shadow: inset 0 0 0 2px #bda866; background: color-mix(in srgb, #bda866 25%, var(--diagram-bg)); }
#startseite .particle-atom-choices button:focus-visible { outline: 3px solid var(--diagram-text); outline-offset: 3px; }
#startseite .particle-atom-result { min-height: 170px; padding: 18px; background: color-mix(in srgb, #bda866 10%, var(--diagram-bg)); border-radius: 5px; margin-bottom: 18px; }
#startseite .particle-atom-result h5 { margin: 0 0 10px; font-size: 20px; }
#startseite .particle-atom-result .particle-composition { font-size: clamp(22px, 3vw, 30px); font-weight: 750; color: var(--diagram-text); overflow-wrap: anywhere; }
#startseite .particle-limits { margin: 24px 0; padding: 20px; border-left: 4px solid #b6a0e6; background: color-mix(in srgb, #b6a0e6 10%, var(--diagram-bg)); }
#startseite .particle-limits dl { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; margin: 18px 0 0; }
#startseite .particle-limits dt { font-weight: 750; margin-bottom: 8px; }
#startseite .particle-limits dd { margin: 0; color: var(--diagram-muted); }
@media (max-width: 600px) {
  #startseite .particle-limits dl { grid-template-columns: 1fr; gap: 18px; }
  #startseite .particle-properties { grid-template-columns: 1fr; gap: 0; }
  #startseite .particle-properties > div { display: flex; justify-content: space-between; gap: 16px; border-top: 0; }
  #startseite .particle-properties dd { margin: 0; }
}
#startseite .higgs-band { display: flex; gap: 24px; border-block: 1px solid #a48d5180; padding: 24px 0; margin: 12px 0 24px; align-items: start; }
#startseite .higgs-symbol { flex: 0 0 48px; color: #e8ce80; font-size: 56px; line-height: 1; }
#startseite .higgs-band p { margin: 0; }
#startseite .interaction-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
#startseite .foundation-live :is(a,summary):focus-visible { outline: 3px solid #e3bd64; outline-offset: 4px; border-radius: 3px; }
:root[data-theme="light"] #startseite .foundation-live { --diagram-bg: #f8f5ec; --diagram-text: #24221d; --diagram-muted: #504c43; }
:root[data-theme="light"] #startseite .foundation-source a,
:root[data-theme="light"] #startseite .element-table .element-number { color: #70520d; }
:root[data-theme="light"] #startseite .origin-number,
:root[data-theme="light"] #startseite .particle-tiles strong { color: #62502e; }
:root[data-theme="light"] #startseite .higgs-symbol { color: #806016; }
@media (min-width: 1200px) {
  #startseite .element-table { grid-template-columns: repeat(18,minmax(0,1fr)); gap: 5px; }
  #startseite .element-table li { grid-row: var(--row); grid-column: var(--col); }
}
@media (max-width: 900px) {
  #startseite .particle-groups { grid-template-columns: 1fr; }
  #startseite .particle-tiles span { font-size: 15px; }
  #startseite .spectrum-bands { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 600px) {
  #startseite .origin-map, #startseite .foundation-pair, #startseite .interaction-grid { grid-template-columns: 1fr; }
  #startseite .element-table { grid-template-columns: repeat(3,minmax(0,1fr)); }
  #startseite .spectrum-bands { grid-template-columns: 1fr; gap: 20px; }
  #startseite .spectrum-bands li { border-top: 0; border-left: 4px solid var(--topic-color); padding: 0 0 0 15px; }
  #startseite .spectrum-bands .spectrum-visible { border-image-source: linear-gradient(to bottom, #ee6464, #f2aa54, #ebdc65, #92d693, #85c9eb, #b9a0f0); }
  #startseite .higgs-band { gap: 16px; }
  #startseite .origin-map li { gap: 12px; }
  #startseite .foundation-live { padding: 18px; }
}