/* Responsive composition is shared by every theme. Theme files may change mood, not fit. */
html {
  scroll-padding-top: 112px;
}

.perspective-control {
  grid-template-columns: minmax(250px, 0.7fr) minmax(520px, 1.3fr) auto;
  gap: 20px;
}

.perspective-control .audience-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  gap: 6px;
}

.perspective-control .audience-options button {
  width: 100%;
  min-height: 42px;
  padding: 7px 8px;
  font-size: 0.75rem;
  line-height: 1.2;
  text-align: center;
}

.project-grid {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.project-card {
  grid-column: span 4;
}

.project-card.featured {
  grid-column: span 6;
}

@media (max-width: 1080px) {
  .hero,
  :root[data-theme="terminal"] .hero {
    grid-template-columns: minmax(0, 1fr);
    min-height: auto;
  }

  .hero-copy {
    max-width: 820px;
  }

  :root[data-theme="brutalist"] .hero-copy,
  :root[data-theme="brutalist"] .profile-panel {
    grid-column: auto;
    grid-row: auto;
  }

  .profile-panel,
  :root[data-theme="terminal"] .profile-panel {
    grid-template-columns: minmax(0, 1fr) minmax(290px, 0.8fr);
    width: 100%;
  }

  .profile-card-top,
  .signal-grid,
  :root[data-theme="terminal"] .profile-card-top,
  :root[data-theme="terminal"] .signal-grid {
    grid-column: 1;
  }

  .system-monitor,
  :root[data-theme="terminal"] .system-monitor {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .perspective-control {
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
  }

  .perspective-control .preferences-reset {
    grid-column: auto;
    justify-self: start;
  }
}

@media (max-width: 900px) {
  .skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-card,
  .project-card.featured {
    grid-column: span 1;
  }

  .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .section-heading {
    align-items: flex-start;
  }

  .project-browse-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .project-browse-row .layout-options {
    align-self: flex-end;
  }
}

@media (max-width: 720px) {
  .site-header {
    max-height: none;
  }

  nav {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) 34px;
    overflow: visible;
  }

  nav a {
    min-width: 0;
    text-align: center;
  }

  .theme-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .theme-option-copy small {
    display: none;
  }

  .hero,
  :root[data-theme="terminal"] .hero {
    width: min(100% - 24px, 1120px);
  }

  .profile-panel,
  :root[data-theme="terminal"] .profile-panel {
    grid-template-columns: minmax(0, 1fr);
  }

  .profile-card-top,
  .signal-grid,
  .system-monitor,
  :root[data-theme="terminal"] .profile-card-top,
  :root[data-theme="terminal"] .signal-grid,
  :root[data-theme="terminal"] .system-monitor {
    grid-column: auto;
    grid-row: auto;
  }

  .section {
    width: min(100% - 24px, 1120px);
  }

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

  .project-card,
  .project-card.featured {
    grid-column: auto;
  }

  .project-browse-row .layout-options {
    align-self: stretch;
  }

  .filter-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    gap: 6px;
  }

  .filter {
    min-width: 0;
    padding-right: 5px;
    padding-left: 5px;
    font-size: 0.74rem;
  }

  .project-toolbar {
    gap: 5px;
  }

  .project-toolbar strong {
    font-size: 0.78rem;
  }

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

  .dialog-actions .button {
    width: 100%;
    min-width: 0;
    padding-right: 8px;
    padding-left: 8px;
  }

  .contact-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .contact-actions .button {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 430px) {
  .site-header {
    width: 100%;
    margin-top: 0;
    border-width: 0 0 1px;
    border-radius: 0;
    box-shadow: none;
  }

  :root[data-theme="brutalist"] .site-header {
    border-width: 0 0 1px;
    box-shadow: none;
  }

  .brand span {
    max-width: 172px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  nav a {
    font-size: 0.72rem;
  }

  .theme-options {
    top: 82px;
    right: 6px;
    left: 6px;
  }

  h1,
  :root[data-theme="terminal"] h1,
  :root[data-theme="brutalist"] h1 {
    font-size: clamp(2.15rem, 12vw, 3rem);
    overflow-wrap: anywhere;
  }

  h2 {
    font-size: clamp(1.85rem, 10vw, 2.7rem);
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-actions .button:first-child {
    grid-column: 1 / -1;
  }

  .profile-card-top {
    align-items: center;
  }

  .signal-grid {
    gap: 7px;
  }

  .filter-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .evidence-input-row input {
    min-height: 46px;
    padding-left: 12px;
    font-size: 0.88rem;
  }

  .project-card {
    padding: 14px;
  }

  .project-visual {
    min-height: 112px;
  }

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

  .dialog-preview {
    width: min(112px, 34vw);
  }

  .dialog-actions,
  .contact-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .career-progression {
    margin-right: 0;
    margin-left: 0;
  }

  .skill-grid section {
    min-height: 0;
  }
}

@media (min-width: 1600px) {
  .site-header,
  .hero,
  .section,
  footer {
    width: min(1280px, calc(100% - 80px));
  }

  .skill-section {
    padding-right: max(40px, calc((100% - 1280px) / 2));
    padding-left: max(40px, calc((100% - 1280px) / 2));
  }

  .project-grid {
    gap: 20px;
  }
}

/* Layout-world fallbacks preserve identity without duplicating components. */
@media (max-width: 1080px) {
  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card.featured {
    grid-template-columns: minmax(200px, 0.6fr) minmax(0, 1.4fr);
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card:nth-child(even) {
    grid-template-columns: minmax(0, 1.4fr) minmax(200px, 0.6fr);
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-visual {
    margin-right: 24px;
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card:nth-child(even) .project-visual {
    margin-right: 0;
    margin-left: 24px;
  }

  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-card.featured {
    grid-template-columns: 116px minmax(0, 1fr);
  }

  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-visual {
    width: 90px;
    min-height: 90px;
  }

  :root[data-theme-layout="casebook"] .hero,
  :root[data-theme-layout="constellation"] .journey-grid,
  :root[data-theme-layout="system-map"] .journey-grid,
  :root[data-theme-layout="interface-deck"] .journey-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-theme-layout="casebook"] .section-heading,
  :root[data-theme-layout="interface-deck"] .section-heading {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  :root[data-theme-layout="bento-os"] .bento-tile.wide,
  :root[data-theme-layout="interface-deck"] .bento-tile.wide {
    grid-column: span 6;
  }

  :root[data-theme-layout="bento-os"] .bento-tile:not(.wide),
  :root[data-theme-layout="interface-deck"] .bento-tile:not(.wide) {
    grid-column: span 2;
  }

  :root[data-theme-layout="interface-deck"] .timeline-item:nth-child(even) {
    margin-left: 0;
  }
}

@media (max-width: 900px) {
  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card.featured {
    grid-template-columns: minmax(200px, 0.6fr) minmax(0, 1.4fr);
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card:nth-child(even) {
    grid-template-columns: minmax(0, 1.4fr) minmax(200px, 0.6fr);
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-visual {
    margin-right: 24px;
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card:nth-child(even) .project-visual {
    margin-right: 0;
    margin-left: 24px;
  }

  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-card.featured {
    grid-template-columns: 116px minmax(0, 1fr);
  }

  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-visual {
    width: 90px;
    min-height: 90px;
  }

  :root[data-theme-layout="bento-os"][data-project-layout="cards"] .project-grid,
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  :root[data-theme-layout="bento-os"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="bento-os"][data-project-layout="cards"] .project-card:nth-child(3n + 1),
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-card.featured,
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-card:nth-child(4n + 1),
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-card:nth-child(4n) {
    grid-column: auto;
  }

  :root[data-theme-layout="constellation"][data-project-layout="cards"] .project-grid,
  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-grid,
  :root[data-theme-layout="casebook"] .timeline,
  :root[data-theme-layout="constellation"] .skill-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-theme-layout="constellation"][data-project-layout="cards"] .project-card:nth-child(even),
  :root[data-theme-layout="constellation"][data-project-layout="cards"] .project-card:nth-child(even).show,
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-card:nth-child(even) {
    margin-top: 0;
    transform: none;
  }

  :root[data-theme-layout="casebook"] .bento-grid,
  :root[data-theme-layout="constellation"] .bento-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  :root[data-theme-layout="casebook"] .bento-tile.wide,
  :root[data-theme-layout="constellation"] .bento-tile.wide {
    grid-column: 1 / -1;
    border-radius: 24px;
  }

  :root[data-theme-layout="system-map"] .bento-grid,
  :root[data-theme-layout="system-map"] .skill-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  :root[data-theme-layout="interface-deck"] .career-progression {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  :root[data-theme-layout="interface-deck"] .progression-step,
  :root[data-theme-layout="interface-deck"] .progression-step:nth-child(3n + 1) {
    grid-column: auto;
  }
}

@media (max-width: 720px) {
  :root[data-theme-layout] .site-header,
  :root[data-theme-layout="constellation"] .site-header,
  :root[data-theme-layout="bento-os"] .site-header,
  :root[data-theme-layout="casebook"] .site-header,
  :root[data-theme-layout="interface-deck"] .site-header {
    top: 0;
    width: 100%;
    margin-top: 0;
    border-width: 0 0 1px;
    border-radius: 0;
  }

  :root[data-theme-layout] .section-heading,
  :root[data-theme-layout="casebook"] .section-heading,
  :root[data-theme-layout="interface-deck"] .section-heading,
  :root[data-theme-layout="casebook"] .contact-section .section-heading {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    text-align: left;
  }

  :root[data-theme-layout="constellation"] .section-heading > div:first-child,
  :root[data-theme-layout="constellation"] .section-copy {
    margin-inline: 0;
  }

  :root[data-theme-layout] .work-explorer,
  :root[data-theme-layout="constellation"] .work-explorer,
  :root[data-theme-layout="interface-deck"] .work-explorer {
    border-radius: 18px;
  }

  :root[data-theme-layout="constellation"] .project-toolbar,
  :root[data-theme-layout="bento-os"] .project-toolbar,
  :root[data-theme-layout="interface-deck"] .project-toolbar {
    border-radius: 12px;
  }

  :root[data-theme-layout="constellation"] .career-progression,
  :root[data-theme-layout="interface-deck"] .career-progression {
    grid-template-columns: minmax(0, 1fr);
    padding: 0;
  }

  :root[data-theme-layout="constellation"] .progression-step,
  :root[data-theme-layout="bento-os"] .progression-step,
  :root[data-theme-layout="interface-deck"] .progression-step,
  :root[data-theme-layout="interface-deck"] .progression-step:nth-child(3n + 1) {
    grid-column: auto;
    min-height: 0;
    margin-top: 0;
    border-radius: 22px;
  }

  :root[data-theme-layout="constellation"] .contact-section .section-heading,
  :root[data-theme-layout="bento-os"] .contact-section .section-heading,
  :root[data-theme-layout="interface-deck"] .contact-section .section-heading,
  :root[data-theme-layout="system-map"] .contact-section .section-heading {
    min-height: 0;
    border-radius: 18px;
    text-align: left;
  }

  :root[data-theme-layout] .bento-grid,
  :root[data-theme-layout] .skill-grid,
  :root[data-theme-layout="bento-os"] .timeline,
  :root[data-theme-layout="bento-os"] .credential-grid,
  :root[data-theme-layout="bento-os"][data-project-layout="cards"] .project-grid,
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  :root[data-theme-layout] .bento-tile,
  :root[data-theme-layout] .bento-tile.wide,
  :root[data-theme-layout] .bento-tile:not(.wide),
  :root[data-theme-layout] .skill-grid section,
  :root[data-theme-layout] .skill-grid section:first-child,
  :root[data-theme-layout] .skill-grid section:last-child,
  :root[data-theme-layout] .skill-grid section:nth-child(2),
  :root[data-theme-layout] .skill-grid section:nth-child(3),
  :root[data-theme-layout] .skill-grid section:nth-child(3n + 1) {
    grid-column: auto;
  }

  :root[data-theme-layout="constellation"][data-project-layout="cards"] .project-grid,
  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-grid {
    padding: 12px 0;
    border: 0;
    background: transparent;
  }

  :root[data-theme-layout="constellation"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="constellation"][data-project-layout="cards"] .project-card.featured {
    min-height: 0;
    padding: 22px 16px;
    border-radius: 90px 90px 20px 20px;
  }

  :root[data-theme-layout="constellation"][data-project-layout="cards"] .project-visual {
    width: 132px;
    min-height: 132px;
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card.featured,
  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card:nth-child(even) {
    display: flex;
    min-height: 0;
    padding: 26px 0;
  }

  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card .project-visual,
  :root[data-theme-layout="casebook"][data-project-layout="cards"] .project-card:nth-child(even) .project-visual {
    width: 100%;
    min-height: 150px;
    margin: 0 0 18px;
  }

  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-card.featured {
    grid-template-columns: 104px minmax(0, 1fr);
    min-height: 0;
    padding: 16px;
  }

  :root[data-theme-layout="system-map"][data-project-layout="cards"] .project-visual {
    width: 84px;
    min-height: 84px;
  }

  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-card,
  :root[data-theme-layout="interface-deck"][data-project-layout="cards"] .project-card.featured {
    min-height: 0;
    border-radius: 24px 3px 24px 3px;
  }
}