/* ======================================================
   Content/Component Legacy-Block (vor ui-* Einführung)
   Split-Ziel: später auf content.css + tools.css + Legacy-
   Kompatibilität aufteilen; vorerst bewusst beibehalten.
====================================================== */


:root {
  --nested-surface: var(--glass-box-bg);
  --nested-surface-strong: var(--glass-box-bg-strong);
  --nested-surface-hover: linear-gradient(180deg, rgba(250, 253, 255, 0.16), rgba(233, 241, 255, 0.09));
}

/* ===========================
   Accordion
=========================== */

.accordion {

  background: var(--surface);

  border: 1px solid var(--line);

  border-radius: 22px;

  overflow: hidden;

  box-shadow: var(--shadow);
}

.accordion summary {

  padding: 22px 24px;

  display: flex;
  gap: 14px;

  justify-content: space-between;

  align-items: center;
  min-height: 56px;
  width: 100%;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.accordion summary > * {
  min-width: 0;
}

.accordion summary strong,
.accordion summary span,
.accordion summary h3,
.subaccordion summary strong,
.subaccordion summary span,
.subaccordion summary h4 {
  overflow-wrap: anywhere;
  word-break: normal;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {

  content: "+";

  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid rgba(150, 171, 209, 0.45);
  background: rgba(233, 241, 255, 0.08);
  flex: 0 0 auto;
  font-size: 1.12rem;

  font-weight: 700;
  line-height: 1;
}

.accordion[open] summary::after {
  content: "−";
}

.accordion__body,
.accordion-body {

  border-top: 1px solid var(--line);

  padding: 22px 24px;
}



.accordion--single-box .accordion__body,
.accordion--single-box .accordion-body {
  display: grid;
  gap: 0;
}

.accordion--single-box .accordion__body > :first-child,
.accordion--single-box .accordion-body > :first-child {
  margin-top: 0;
}

.accordion--single-box .accordion__body > :last-child,
.accordion--single-box .accordion-body > :last-child {
  margin-bottom: 0;
}

.accordion--single-box h4 {
  margin: 0 0 10px;
}

.accordion--single-box ul {
  margin: 0;
  padding-left: 20px;
}

.accordion--single-box li {
  overflow-wrap: anywhere;
}

/* ===========================
   Subaccordion
=========================== */

.subaccordion {

  border: 1px solid var(--line);

  border-radius: 16px;

  margin-bottom: 14px;

  overflow: hidden;
}

.subaccordion summary {

  padding: 16px 18px;

  display: flex;
  gap: 12px;

  justify-content: space-between;

  align-items: center;
  min-height: 52px;
  width: 100%;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;

  background: var(--nested-surface);
}

.subaccordion summary::-webkit-details-marker {
  display: none;
}

.subaccordion summary::after {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(150, 171, 209, 0.45);
  background: rgba(233, 241, 255, 0.08);
  flex: 0 0 auto;
  line-height: 1;
}

.subaccordion[open] summary::after {
  content: "−";
}

.subaccordion-body {

  padding: 18px;

  border-top: 1px solid var(--line);
}


/* ===========================
   Subbadges
=========================== */

.subaccordion-title {
  display: flex;
  align-items: center;
  gap: 14px;
}

.subbadge {

  min-width: 40px;

  height: 40px;

  border-radius: 12px;

  display: grid;

  place-items: center;

  font-weight: 700;

  border: 1px solid var(--line);
}

.subbadge.content {
  background: var(--content);
}

.subbadge.task {
  background: var(--task);
}

.subbadge.curriculum {
  background: var(--curriculum);
}

.subbadge.tool {
  background: var(--tool);
}


.subbadge--icon {
  width: var(--icon-badge-size, 52px);
  min-width: var(--icon-badge-size, 52px);
  height: var(--icon-badge-size, 52px);
  border-radius: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.subbadge--icon.curriculum,
.subbadge--icon.content,
.subbadge--icon.task,
.subbadge--icon.tool {
  background: transparent;
}

.subbadge__icon {
  width: var(--icon-core-size, 40px);
  height: var(--icon-core-size, 40px);
  display: block;
  object-fit: contain;
}


/* ===========================
   Content Blocks
=========================== */

.content-block {

  border-left: 6px solid var(--line-strong);

  border-radius: 0 14px 14px 0;

  padding: 16px 18px;

  background: var(--nested-surface);

  margin-bottom: 14px;
}

.block-curriculum {

  background: var(--curriculum);

  border-left-color: #22c55e;
}

.block-content {

  background: var(--content);

  border-left-color: #3b82f6;
}

.block-task {

  background: var(--task);

  border-left-color: #eab308;
}


.otp-task-gap {
  margin-top: 20px;
}

.block-tool {

  background: var(--tool);

  border-left-color: #8b5cf6;
}

.content-block h4 {
  margin: 0 0 10px;
}

.content-block ul {
  margin: 0;
  padding-left: 20px;
}

.content-block ul ul,
.content-block ol ol,
.content-block ul ol,
.content-block ol ul {
  margin-top: 6px;
  margin-bottom: 4px;
}

.content-block li {
  overflow-wrap: anywhere;
}


/* ===========================
   Definition / Formula
=========================== */

.definition-box {

  background: #eff6ff;

  border-left: 6px solid #3b82f6;

  padding: 16px 18px;

  border-radius: 0 14px 14px 0;

  margin-bottom: 14px;
}

.definition-title {
  font-weight: 700;
  margin-bottom: 8px;
}

.formula-box {

  background: #f8fafc;

  border: 1px solid var(--line);

  border-radius: 14px;

  padding: 18px;

  text-align: center;

  font-size: 1.3rem;
}


/* ===========================
   Example
=========================== */


.diagram-figure {
  margin: 16px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
}

.diagram-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.diagram-figure figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.hybrid-systems h5 {
  margin: 14px 0 8px;
  font-size: 1rem;
}

.example-box {

  background: #fff7ed;

  border-left: 6px solid #f59e0b;

  border-radius: 0 14px 14px 0;

  padding: 16px 18px;
}

.example-title {
  font-weight: 700;
  margin-bottom: 8px;
}


/* ===========================
   Code
=========================== */

.code-box {

  background: #111827;

  color: #f8fafc;

  border-radius: 12px;

  padding: 14px 16px;

  overflow-x: auto;

  font-family: Consolas, Monaco, monospace;

  font-size: 0.95rem;
}


/* ===========================
   Footer
=========================== */

footer {
  width: min(100%, var(--content-reading-max));
  margin: 0 auto;
  padding: 18px 16px 24px;
  border: none;
  background: transparent;
  color: rgba(222, 231, 246, 0.68);
  font-size: 0.86rem;
  text-align: center;
}

.site-footer {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: clamp(32px, 6vw, 64px);
  visibility: hidden;
}

.site-footer--ready {
  visibility: visible;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px 18px;
}

.site-footer__links a {
  color: inherit;
  opacity: 0.88;
  text-decoration: none;
  transition: opacity 0.18s ease, color 0.18s ease;
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
  color: rgba(236, 242, 255, 0.95);
  opacity: 1;
  text-decoration: none;
}

.site-footer__separator {
  opacity: 0.55;
  user-select: none;
}


.example-intro {
  margin-bottom: 14px;
}

.example-note {
  margin-top: 12px;
  color: var(--muted);
}
.glossary-jump-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.glossary-jump-links a {
  display: inline-block;
  min-width: 36px;
  text-align: center;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  font-weight: 700;
  text-decoration: none;
}

.glossary-jump-links a:hover {
  background: var(--accent-soft);
  text-decoration: none;
}

.glossary-letter-block h4 {
  margin-top: 0;
}

.glossary-entry .definition-title,
.glossary-entry .glossary-meta,
.glossary-entry p {
  overflow-wrap: anywhere;
  word-break: normal;
}

.glossary-meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Glossar-Shellseiten: kanonische Breite + stabile Ankerziele */
#app-content[data-page-type="glossary"] .hero-intro.glossary-panel,
#app-content[data-page-type="glossary"] .section-stack > .glossary-panel {
  width: min(100%, var(--content-reading-max));
  margin-left: auto;
  margin-right: auto;
}

#app-content[data-page-type="glossary"] .hero-intro.glossary-panel {
  margin-top: var(--space-4);
  margin-bottom: 0;
}

#app-content[data-page-type="glossary"] .glossary-panel {
  border-color: var(--glass-box-border, rgba(197, 211, 239, 0.3));
  background: var(--glass-box-bg-strong, linear-gradient(180deg, rgba(18, 25, 41, 0.7), rgba(11, 17, 30, 0.64)));
}

@media (max-width: 1080px) {
  #app-content[data-page-type="glossary"] .hero-intro.glossary-panel,
  #app-content[data-page-type="glossary"] .section-stack > .glossary-panel {
    width: 100%;
    max-width: 100%;
    margin-inline: 0;
  }
}

#app-content[data-page-type="glossary"] .glossary-letter-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

#app-content[data-page-type="glossary"] .glossary-letter-nav .ui-button {
  min-width: 40px;
  padding-inline: 12px;
  text-decoration: none;
}

#app-content[data-page-type="glossary"] .glossary-letter-nav .ui-button[aria-current="true"] {
  --ui-btn-surface: rgba(59, 88, 150, 0.78);
  --ui-btn-surface-hover: rgba(68, 101, 169, 0.82);
  --ui-btn-surface-active: rgba(53, 80, 136, 0.82);
  --ui-btn-border: rgba(126, 162, 255, 0.42);
  --ui-btn-border-hover: rgba(146, 177, 255, 0.56);
  --ui-btn-highlight: rgba(170, 198, 255, 0.14);
  --ui-btn-focus-ring: rgba(109, 144, 224, 0.38);
}

#app-content[data-page-type="glossary"] .glossary-entry {
  padding: 10px 0;
  margin: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#app-content[data-page-type="glossary"] .glossary-entry + .glossary-entry {
  border-top: 1px solid rgba(223, 232, 246, 0.36);
}

#app-content[data-page-type="glossary"] .glossary-entry .definition-title {
  margin-bottom: 6px;
}

#app-content[data-page-type="glossary"] .glossary-letter-block {
  scroll-margin-top: clamp(84px, 12vh, 132px);
}

#app-content[data-page-type="glossary"] .glossar-source {
  margin-top: 12px;
  font-size: 0.9em;
  opacity: 0.85;
  line-height: 1.5;
}

#app-content[data-page-type="glossary"] .glossar-source a,
#app-content[data-page-type="glossary"] .glossar-reference a {
  color: var(--accent-color);
  text-decoration: none;
}

#app-content[data-page-type="glossary"] .glossar-source a:hover,
#app-content[data-page-type="glossary"] .glossar-reference a:hover {
  text-decoration: underline;
}

#app-content[data-page-type="glossary"] .glossar-reference {
  margin-top: 8px;
  font-size: 0.92em;
  opacity: 0.9;
}


.sitemap-sections .accordion h3 {
  margin-top: 0;
}

.sitemap-grid-two {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
}

.sitemap-sections ul ul {
  margin-top: 8px;
}

.nav-links a.nav-home {
  font-weight: 700;
}

.exercise-link-box {
  margin-top: 16px;
}

.exercise-link-box p {
  margin: 0 0 8px;
}

.exercise-link-box p:last-child {
  margin-bottom: 0;
}


.process-overview {
  margin-top: var(--space-4);
  padding: clamp(14px, 2vw, 22px);
}

.process-overview__intro {
  margin: 0 0 var(--space-3);
  color: #fff;
}

.process-overview__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.process-overview__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(68px, 12vw, 108px) auto;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--glass-box-border);
  border-radius: 12px;
  background: rgba(9, 17, 30, 0.42);
}

.process-overview__task {
  font-weight: 600;
}

.process-overview__arrow {
  color: rgba(196, 211, 238, 0.74);
  justify-self: center;
  font-size: clamp(1.55rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1;
}

.process-overview__clause {
  justify-self: end;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(171, 194, 230, 0.42);
  background: rgba(56, 92, 146, 0.28);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  white-space: nowrap;
}

.process-overview__item:nth-child(1) .process-overview__clause,
.process-overview__item:nth-child(2) .process-overview__clause {
  background: rgba(141, 174, 75, 0.22);
}

.process-overview__item:nth-child(3) .process-overview__clause,
.process-overview__item:nth-child(4) .process-overview__clause {
  background: rgba(106, 160, 206, 0.24);
}

.process-overview__item:nth-child(5) .process-overview__clause,
.process-overview__item:nth-child(6) .process-overview__clause {
  background: rgba(139, 131, 209, 0.24);
}

.process-overview__item:nth-child(7) .process-overview__clause,
.process-overview__item:nth-child(8) .process-overview__clause {
  background: rgba(177, 128, 198, 0.24);
}

@media (max-width: 640px) {
  .process-overview__item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .process-overview__arrow {
    display: none;
  }

  .process-overview__clause {
    justify-self: start;
  }
}


.q2-overview-card {
  display: grid;
  gap: 6px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  text-decoration: none;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: transform var(--ui-motion-press-duration) var(--ui-motion-ease), box-shadow var(--ui-motion-duration) var(--ui-motion-ease), border-color var(--ui-motion-duration) var(--ui-motion-ease);
}

.q2-overview-card:hover {
  text-decoration: none;
  transform: var(--ui-lift-hover);
  box-shadow: var(--ui-shadow-surface);
}

.q2-overview-card span {
  color: var(--muted);
}

.q2-card-1 { background: #ecfdf5; }
.q2-card-2 { background: #eff6ff; }
.q2-card-3 { background: #fff7ed; }
.q2-card-4 { background: #f5f3ff; }
.q2-card-5 { background: #fef2f2; }


.curriculum-level-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: stretch;
  width: 100%;
  max-width: none;
  margin-top: var(--space-6);
}

.curriculum-level-card {
  border: 1px solid var(--glass-box-border);
  border-left: 4px solid #79d7a1;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  background: var(--glass-box-bg);
  color: #edf2ff;
  backdrop-filter: blur(var(--glass-box-blur));
  -webkit-backdrop-filter: blur(var(--glass-box-blur));
}

.curriculum-level-card h5 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.curriculum-level-card ul {
  margin: 0;
  padding-left: 18px;
}

.curriculum-level-card p:last-child,
.curriculum-level-card ul:last-child {
  margin-bottom: 0;
}

.curriculum-level-card--basic,
.curriculum-level-card--advanced {
  background: var(--glass-box-bg);
}

/* Legacy aliases */
.q21-level-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: stretch;
  width: 100%;
  max-width: none;
}

.q21-level-grid--curriculum {
  margin-top: var(--space-6);
}

.q21-level-box {
  border: 1px solid var(--glass-box-border);
  border-left: 4px solid #79d7a1;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  background: var(--glass-box-bg);
  color: #edf2ff;
  backdrop-filter: blur(var(--glass-box-blur));
  -webkit-backdrop-filter: blur(var(--glass-box-blur));
}

.q21-level-box h5 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.q21-level-box ul {
  margin: 0;
  padding-left: 18px;
}


@media (max-width: 920px) {
  .curriculum-level-grid,
  .q21-level-grid {
    grid-template-columns: 1fr;
  }
}

.er-concept-section {
  margin: 20px 0 18px;
}

.er-concept-section > h4 {
  margin-bottom: 8px;
}

.er-concept-section > p {
  margin-top: 0;
  margin-bottom: 16px;
}

.er-concept-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.er-concept-card {
  margin: 0;
  display: grid;
  gap: 10px;
}

.er-concept-title {
  margin: 0;
  font-size: 1.02rem;
}

.er-concept-figure {
  margin: 0;
}

.er-diagram-token {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-soft);
  background: rgba(9, 16, 30, 0.42);
  padding: 8px;
}

.er-diagram-token text {
  fill: #e8efff;
  font-size: 9.6px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-anchor: middle;
  dominant-baseline: middle;
}

.er-diagram-token rect,
.er-diagram-token ellipse,
.er-diagram-token polygon,
.er-diagram-token line {
  stroke: #9fbcff;
  stroke-width: 1.6;
  fill: rgba(42, 70, 124, 0.26);
}

.er-diagram-token--entity rect {
  fill: rgba(108, 171, 255, 0.2);
  stroke: #a8c6ff;
}

.er-diagram-token--entity-type rect {
  fill: rgba(90, 128, 214, 0.24);
}

.er-diagram-token--attribute ellipse {
  fill: rgba(89, 160, 215, 0.24);
}

.er-diagram-token--relationship polygon {
  fill: rgba(126, 103, 211, 0.28);
  stroke: #b9a8ff;
}

.er-diagram-token--cardinality text,
.er-diagram-token--optionality text {
  font-variant-numeric: tabular-nums;
}

.er-concept-body p {
  margin: 0;
}

.er-concept-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.er-specialcases-section {
  margin: 18px 0 0;
}

.er-specialcases-section > h4 {
  margin-bottom: 8px;
}

.er-specialcases-section > p {
  margin-top: 0;
  margin-bottom: 14px;
}

.er-specialcases-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.er-specialcase-card {
  margin: 0;
  display: grid;
  gap: 8px;
}

.q21-relational-legend {
  margin-top: 14px;
}

.q21-relational-legend-list {
  margin-bottom: 0;
}

.q21-rel-token {
  font-family: var(--font-mono);
}

.q21-rel-token--pk {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.q21-rel-token--pkfk {
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}

.q21-relational-schema {
  margin-top: 10px;
}

.q21-relational-schema pre {
  margin: 0;
}

.q21-relational-schema code {
  white-space: pre-wrap;
}

.q21-relational-explanation {
  margin-top: 14px;
}

.er-specialcase-card h5 {
  margin: 0;
  font-size: 1rem;
}

.er-specialcase-card p {
  margin: 0;
  font-size: 0.95rem;
}

.er-diagram-token--special text {
  font-size: 9.2px;
}

.q21-relation-type-list {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.q21-relation-type-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: var(--space-4);
  row-gap: var(--space-3);
}

.q21-relation-type-card .definition-title {
  flex: 1 1 100%;
  margin-bottom: 0;
}

.q21-relation-type-card .er-diagram-token--special {
  flex: 0 0 clamp(180px, 28%, 240px);
  width: clamp(180px, 28%, 240px);
  margin: 0;
}

.q21-relation-type-card > p {
  flex: 1 1 min(420px, 100%);
  margin: 0;
}

@media (max-width: 720px) {
  body.q21-page .q21-level-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .er-concept-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .er-specialcases-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .er-diagram-token {
    padding: 6px;
  }

  .q21-relation-type-card {
    align-items: stretch;
  }

  .q21-relation-type-card .er-diagram-token--special {
    flex-basis: auto;
    width: min(100%, 280px);
  }
}

/* ===========================

body.phase15-main {
  --text: #e8eefc;
  --muted: #c4d0e6;
  --line: rgba(255, 255, 255, 0.16);
  --line-strong: rgba(255, 255, 255, 0.28);
  --accent: #b8d2ff;
  --accent-soft: rgba(112, 152, 226, 0.24);
}

body.phase15-main a {
  color: #c2d8ff;
}

body.phase15-main a:hover {
  color: #dde9ff;
}

body.phase15-main .main {
  background: rgba(8, 12, 22, 0.56);
}

body.phase15-main .hero,
body.phase15-main .accordion,
body.phase15-main .subaccordion,
body.phase15-main .definition-box,
body.phase15-main .formula-box,
body.phase15-main .diagram-figure {
  background: rgba(15, 20, 35, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 18px 40px rgba(1, 3, 8, 0.32);
}

body.phase15-main .hero {
  border-radius: 30px;
}

body.phase15-main .eyebrow {
  background: rgba(137, 174, 242, 0.2);
  color: #dce9ff;
}

body.phase15-main .accordion-body,
body.phase15-main .content-block,
body.phase15-main .formula-box {
  color: #dce5f8;
}

body.phase15-main .hero-intro {
  color: #ffffff;
}

body.phase15-main .accordion summary,
body.phase15-main .subaccordion summary {
  color: #f4f7ff;
}

body.phase15-main .accordion-body,
body.phase15-main .subaccordion-body {
  border-top-color: rgba(255, 255, 255, 0.12);
}

body.phase15-main .subaccordion {
  background: var(--nested-surface);
}

body.phase15-main .content-block {
  background: var(--nested-surface);
  border-left-color: rgba(176, 194, 228, 0.6);
}

body.phase15-main .block-curriculum {
  background: var(--nested-surface);
  border-left-color: rgba(88, 208, 146, 0.8);
}

body.phase15-main .block-content {
  background: var(--nested-surface);
  border-left-color: rgba(122, 178, 255, 0.84);
}

body.phase15-main .block-task {
  background: var(--nested-surface);
  border-left-color: rgba(245, 206, 95, 0.86);
}

body.phase15-main .block-tool {
  background: var(--nested-surface);
  border-left-color: rgba(181, 145, 255, 0.85);
}

/* ===========================
   Phase 2 main-page component alignment
=========================== */
body.phase15-main {
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --line-soft: rgba(255, 255, 255, 0.16);
  --color-text-soft: #c3d0e8;
  --content-reading-max: 920px;
  --font-ui: "Inter", "Segoe UI", Arial, sans-serif;
  --font-body: "Inter", "Segoe UI", Arial, sans-serif;
  --font-heading: "Inter Tight", "Inter", "Segoe UI", Arial, sans-serif;
}

body.phase15-main {
  font-family: var(--font-body);
}

body.phase15-main .page {
  max-width: min(100%, 1040px);
}

body.phase15-main .main {
  padding: clamp(24px, 4vw, 40px);
}

body.phase15-main .hero {
  width: min(100%, var(--content-reading-max));
  margin-inline: auto;
  margin-bottom: var(--space-8);
  padding: var(--space-6) var(--space-5);
  border-radius: 24px;
  border: 1px solid var(--line-soft);
}

body.phase15-main .hero__eyebrow {
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  background: transparent;
  padding: 0;
  color: var(--color-text-soft);
}

body.phase15-main .hero__title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: clamp(1.9rem, 3.6vw, 2.6rem);
  line-height: 1.2;
}

body.phase15-main .hero__subtitle {
  margin-top: var(--space-3);
  color: var(--color-text-soft);
  font-size: 1.03rem;
  max-width: min(88ch, 100%);
}

body.phase15-main .section-stack {
  gap: var(--space-5);
}

body.phase15-main .accordion {
  width: min(100%, var(--content-reading-max));
  margin-inline: auto;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

body.phase15-main .accordion summary {
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-ui);
  font-size: 1.05rem;
}

body.phase15-main .accordion summary,
body.phase15-main .subaccordion summary {
  background: var(--nested-surface-strong);
  color: #f5f8ff;
}

body.phase15-main .accordion summary:hover,
body.phase15-main .subaccordion summary:hover {
  background: var(--nested-surface-hover);
}

body.phase15-main .accordion summary:focus-visible,
body.phase15-main .subaccordion summary:focus-visible {
  outline: 2px solid rgba(173, 202, 255, 0.85);
  outline-offset: 2px;
}

body.phase15-main .subaccordion {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--nested-surface);
}

body.phase15-main .subaccordion summary {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid transparent;
}

body.phase15-main .subaccordion[open] summary {
  border-bottom-color: var(--line-soft);
}

body.phase15-main .subaccordion summary::after,
body.phase15-main .accordion summary::after {
  color: rgba(226, 236, 255, 0.92);
}

body.phase15-main .subaccordion-body,
body.phase15-main .accordion-body {
  background: var(--nested-surface);
}

body.phase15-main .accordion__body {
  padding: var(--space-5);
  border-top: 1px solid var(--line-soft);
}


body.phase15-main .subbadge--icon {
  width: 56px;
  min-width: 56px;
  height: 56px;
  border-radius: 0;
  border: 0;
  background: transparent;
}

body.phase15-main .subbadge__icon {
  width: 44px;
  height: 44px;
}

body.phase15-main .accordion__body > :first-child,
body.phase15-main .content-block > :first-child {
  margin-top: 0;
}

body.phase15-main .accordion__body > :last-child,
body.phase15-main .content-block > :last-child {
  margin-bottom: 0;
}

body.phase15-main .content-block {
  width: 100%;
  margin: 0;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  border-left-width: 4px;
}

body.phase15-main .home-grid,
body.phase15-main .q-phase-grid {
  gap: var(--space-4);
}

body.phase15-main .home-grid .content-block,
body.phase15-main .q-phase-grid .content-block {
  margin-bottom: 0;
}

body.phase15-main .content-block h4 {
  margin-bottom: var(--space-2);
  font-family: var(--font-ui);
}

@media (max-width: 1080px) {
  body.phase15-main .main {
    padding: var(--space-5) clamp(10px, 3.2vw, 16px);
  }

  body.phase15-main .page,
  body.phase15-main .hero,
  body.phase15-main .accordion,
  body.phase15-main .subaccordion,
  body.phase15-main .content-block {
    width: 100%;
    margin-inline: 0;
  }
}

@media (max-width: 720px) {
  body.phase15-main .main {
    padding: var(--space-4) 8px;
  }

  body.phase15-main .hero {
    padding: 8px 10px 10px;
  }
}


.content-block h4 a {
  color: inherit;
  text-decoration: none;
  overflow-wrap: anywhere;
}

.content-block h4 a:hover {
  text-decoration: underline;
}

.content-block a,
.accordion__body a,
.accordion-body a,
.hero a {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.accordion {
  border: 1px solid var(--glass-box-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-4);
  background: var(--glass-box-bg-strong);
  box-shadow: var(--glass-box-shadow);
  backdrop-filter: blur(var(--glass-box-blur));
  -webkit-backdrop-filter: blur(var(--glass-box-blur));
}

.accordion summary {
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-ui);
  font-size: 1.05rem;
  color: #f5f8ff;
  transition: background-color var(--ui-motion-duration) var(--ui-motion-ease), border-color var(--ui-motion-duration) var(--ui-motion-ease), box-shadow var(--ui-motion-duration) var(--ui-motion-ease), transform var(--ui-motion-press-duration) var(--ui-motion-ease);
}

/* Kanonische Accordion-Body-Klasse (components.css) */
.accordion__body,
/* Legacy-Alias (vorerst beibehalten; Cleanup nach Vollumstellung) */
.accordion-body {
  border-top: 1px solid var(--glass-box-border);
  padding: var(--space-5);
  background: var(--glass-box-bg);
}


.accordion > h3 {
  margin: 0;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-ui);
  font-size: 1.05rem;
  color: #f5f8ff;
}

/* Legacy-/Übergangswrapper: Formularlayout bleibt über .contact-form */
.contact-form {
  width: 100%;
}

.contact-form p,
.contact-form .ui-form-group {
  margin: 0 0 var(--space-4);
}

.contact-form p:last-child,
.contact-form .ui-form-group:last-child {
  margin-bottom: 0;
}

.contact-form label {
  display: block;
  margin-bottom: var(--space-2);
}

.contact-form input:not(.ui-input),
.contact-form textarea:not(.ui-textarea) {
  width: 100%;
  max-width: 100%;
  display: block;
}

.subaccordion {
  border: 1px solid var(--glass-box-border);
  border-radius: var(--radius-md);
  background: var(--glass-box-bg);
  margin: var(--space-4) 0;
  backdrop-filter: blur(var(--glass-box-blur));
  -webkit-backdrop-filter: blur(var(--glass-box-blur));
}

.subaccordion summary {
  padding: var(--space-3) var(--space-4);
  background: transparent;
  transition: background-color var(--ui-motion-duration) var(--ui-motion-ease), border-color var(--ui-motion-duration) var(--ui-motion-ease), box-shadow var(--ui-motion-duration) var(--ui-motion-ease), transform var(--ui-motion-press-duration) var(--ui-motion-ease);
}

.accordion summary:active,
.subaccordion summary:active {
  transform: scale(var(--ui-press-scale));
}

.accordion summary:focus-visible,
.subaccordion summary:focus-visible {
  box-shadow: var(--ui-focus-ring);
}

.subaccordion-body {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--glass-box-border);
  background: var(--glass-box-bg);
}

/* Legacy-Brückenschicht zu ui-panel (vorerst parallel aktiv) */
.box,
.content-block,
.definition-box,
.example-box {
  border: 1px solid var(--glass-box-border);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-4) 0;
  background: var(--glass-box-bg);
  color: #edf2ff;
  backdrop-filter: blur(var(--glass-box-blur));
  -webkit-backdrop-filter: blur(var(--glass-box-blur));
}

.content-block,
.definition-box,
.example-box {
  border-left-width: 4px;
  border-top-left-radius: 10px;
  border-bottom-left-radius: 10px;
}

.block-curriculum { border-left-color: #79d7a1; }
.block-content { border-left-color: #7fb0ff; }
.block-task { border-left-color: #ffd17b; }
.block-tool { border-left-color: #bea5ff; }

.box--definition {
  border-left-color: #8cb2ff;
  background: var(--nested-surface);
}

.box--example {
  background: var(--nested-surface);
}

.box--task {
  background: var(--nested-surface);
}

.box--tool {
  background: var(--nested-surface);
}

.formula-box {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(248, 251, 255, 0.10);
  color: #f2f6ff;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

.code-box {
  background: rgba(16, 24, 40, 0.82);
  border: 1px solid rgba(170, 194, 238, 0.30);
  border-radius: var(--radius-sm);
  color: #dce6ff;
  font-family: var(--font-mono);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

.code-box pre,
.code-box code {
  white-space: pre;
  word-break: normal;
  display: block;
  font-family: var(--font-mono);
  font-size: 0.96rem;
  line-height: 1.55;
}

.formula-box .MathJax,
.formula-box mjx-container {
  display: inline-block;
  min-width: max-content;
}

.diagram-figure {
  overflow: hidden;
}

.diagram-figure img,
.diagram-figure svg,
.diagram-figure canvas {
  max-width: 100%;
  height: auto;
}

.diagram-figure figcaption {
  overflow-wrap: anywhere;
}


.diagram-figure--dbook {
  border: 1px solid rgba(132, 163, 214, 0.38);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(8, 18, 35, 0.95), rgba(7, 15, 30, 0.92));
  box-shadow: inset 0 1px 0 rgba(196, 216, 255, 0.08), 0 14px 32px rgba(4, 9, 18, 0.36);
}

.diagram-figure--dbook svg {
  display: block;
}

.diagram-figure--dbook figcaption {
  color: #d9e6ff;
  padding: 0.9rem 1rem 1rem;
  border-top: 1px solid rgba(132, 163, 214, 0.26);
  margin-top: 0;
}

.kompetenzmodell-figure figure {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.kompetenzmodell-figure img {
  width: 100%;
  max-width: 900px;
  height: auto;
}

.kompetenzmodell-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
}

table,
.table {
  max-width: 100%;
}


.sql-demo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  align-items: stretch;
  margin: 14px 0 18px;
}

.sql-demo > * {
  min-width: 0;
}

.sql-demo__query {
  margin: 0;
  height: 100%;
}

.sql-demo__result {
  margin: 0;
  border: 1px solid var(--glass-box-border);
  border-radius: var(--radius-sm);
  background: var(--glass-box-bg);
  color: #edf2ff;
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: var(--space-2);
  backdrop-filter: blur(var(--glass-box-blur));
  -webkit-backdrop-filter: blur(var(--glass-box-blur));
}

.sql-demo__table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  font-size: 0.94rem;
}

.sql-demo__table th,
.sql-demo__table td {
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(151, 176, 216, 0.34);
  border-right: 1px solid rgba(151, 176, 216, 0.34);
}

.sql-demo__table th:last-child,
.sql-demo__table td:last-child {
  border-right: 0;
}

.sql-demo__table thead th {
  background: rgba(151, 176, 216, 0.14);
  font-weight: 600;
}

.sql-demo__note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

@media (max-width: 920px) {
  .sql-demo {
    grid-template-columns: 1fr;
  }
}

.table-wrap,
.content-block .table-wrap,
.example-box .table-wrap,
.definition-box .table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
}

@media (max-width: 1080px) {
  .accordion summary,
  .accordion > h3 {
    padding: 10px 12px;
    font-size: 0.96rem;
  }

  .accordion summary {
    min-height: 54px;
  }

  .accordion__body,
  .accordion-body {
    padding: 12px;
  }

  .subaccordion {
    margin: 8px 0;
  }

  .subaccordion summary {
    padding: 9px 11px;
    font-size: 0.92rem;
    min-height: 46px;
  }

  .subaccordion-body {
    padding: 10px 12px;
  }

  .box,
  .content-block,
  .definition-box,
  .example-box,
  .formula-box {
    padding: 10px 11px;
    margin: 8px 0;
  }

  .content-block h4 {
    margin-bottom: 7px;
    font-size: 1rem;
    line-height: 1.3;
  }

  .content-block p,
  .definition-box p,
  .example-box p,
  .accordion__body p,
  .accordion-body p {
    margin: 0.45em 0;
    line-height: 1.48;
  }

  .code-box {
    font-size: 0.9rem;
    line-height: 1.45;
  }

  .formula-box {
    font-size: 1.04rem;
  }

  .diagram-figure {
    padding: 10px;
  }
}

@media (max-width: 720px) {
  .accordion summary,
  .accordion > h3 {
    padding: 9px 10px;
    font-size: 0.9rem;
  }

  .accordion__body,
  .accordion-body,
  .subaccordion-body {
    padding: 10px;
  }

  .subaccordion summary {
    padding: 8px 10px;
    font-size: 0.88rem;
    min-height: 42px;
  }

  .box,
  .content-block,
  .definition-box,
  .example-box,
  .formula-box,
  .code-box {
    padding: 9px 10px;
    margin: 6px 0;
  }

  .content-block h4 {
    margin-bottom: 4px;
    font-size: 0.9rem;
  }

  .content-block,
  .definition-box,
  .example-box,
  .accordion__body,
  .accordion-body,
  .subaccordion-body {
    font-size: 0.89rem;
    line-height: 1.38;
  }

  .code-box {
    font-size: 0.84rem;
    line-height: 1.4;
    padding: 10px;
  }

  .formula-box {
    font-size: 0.96rem;
  }

  .diagram-figure {
    padding: 8px;
  }

  .diagram-figure figcaption {
    font-size: 0.86rem;
  }

  .subaccordion-title {
    gap: 10px;
  }
}

/* Legacy-Tabellenbasis; neue kanonische Basis ist .ui-table */
.table,
table {
  border-collapse: collapse;
  border-color: var(--line-soft);
}

th,
td {
  border-bottom: 1px solid var(--line-soft);
}

/* Suche (Version 1) */
.search-page .search-page__layout {
  display: grid;
  gap: var(--space-4);
}

#app-content[data-page-type="search"] .search-page__layout {
  display: grid;
  gap: var(--space-4);
}

.search-page .search-page__hero {
  margin-bottom: 0;
}

#app-content[data-page-type="search"] .search-page__hero {
  margin-bottom: 0;
}

.search-page .search-panel {
  display: grid;
  gap: var(--space-2);
  width: min(100%, var(--content-reading-max));
  margin-inline: auto;
}

#app-content[data-page-type="search"] .search-panel {
  display: grid;
  gap: var(--space-2);
  width: min(100%, var(--content-reading-max));
  margin-inline: auto;
}

.search-page .search-form {
  display: grid;
  gap: 10px;
}

.search-page .search-form__label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.search-page .search-form__controls {
  display: flex;
  gap: 10px;
  align-items: center;
}

.search-page .search-form__input {
  width: 100%;
  min-height: 42px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 1rem;
}

.search-page .search-form__input:focus-visible {
  outline: 2px solid rgba(80, 190, 255, 0.7);
  outline-offset: 2px;
}


.search-page .search-panel__hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.search-page .search-panel__meta {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.search-page .search-results {
  display: grid;
  gap: 10px;
  width: min(100%, var(--content-reading-max));
  margin-inline: auto;
}

#app-content[data-page-type="search"] .search-results {
  display: grid;
  gap: 10px;
  width: min(100%, var(--content-reading-max));
  margin-inline: auto;
}

@media (max-width: 1080px) {
  .search-page .search-panel,
  #app-content[data-page-type="search"] .search-panel,
  .search-page .search-results,
  #app-content[data-page-type="search"] .search-results,
  footer {
    width: 100%;
    max-width: 100%;
    margin-inline: 0;
  }
}

.search-page .search-result {
  display: grid;
  gap: 8px;
}

.search-page .search-result__title {
  margin: 0;
  font-size: 1.05rem;
}

.search-page .search-result__title a {
  color: var(--text-primary);
  text-decoration: none;
}

.search-page .search-result__title a:hover,
.search-page .search-result__title a:focus-visible {
  color: var(--accent-2);
  text-decoration: underline;
}

.search-page .search-result__sentence,
.search-page .search-result__context {
  margin: 0;
}

.search-page .search-result__context {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.search-page mark {
  background: rgba(100, 220, 255, 0.25);
  color: inherit;
  padding: 0 2px;
  border-radius: 3px;
}

@media (max-width: 760px) {
  .search-page .search-form__controls {
    flex-direction: column;
    align-items: stretch;
  }
}

/* Q1.5 – Graphen */
body.q15-page .q15-sections {
  display: grid;
  gap: 16px;
}

body.q15-page .q15-grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

body.q15-page .q15-figure-grid {
  align-items: stretch;
  margin: 10px 0;
}

body.q15-page .q15-figure-grid--triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

body.q15-page .q15-figure-card {
  margin: 0;
  padding: 10px;
  border: 1px solid rgba(126, 199, 247, 0.35);
  border-radius: 10px;
  background: rgba(10, 18, 32, 0.62);
}

body.q15-page .q15-figure-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

body.q15-page .q15-figure-card figcaption {
  margin-top: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

body.q15-page .q15-figure-card--single {
  margin-bottom: 8px;
}

body.q15-page .q15-figure-inline {
  margin: 0 0 8px;
}

body.q15-page .q15-focus-list {
  margin: 10px 0;
  padding-left: 18px;
}

body.q15-page .q15-structo-shell {
  margin: 12px 0 8px;
}

body.q15-page .q15-tool-link {
  margin: 8px 0 0;
}

body.q15-page .q15-table-wrap {
  overflow-x: auto;
}

body.q15-page .q15-compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
}

body.q15-page .q15-compare-table th,
body.q15-page .q15-compare-table td {
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}

body.q15-page .q15-compare-table th {
  background: rgba(92, 168, 226, 0.22);
}

@media (max-width: 860px) {
  body.q15-page .q15-grid-two {
    grid-template-columns: 1fr;
  }

  body.q15-page .q15-figure-grid--triple {
    grid-template-columns: 1fr;
  }
}