@media (max-width: 1260px) {
  .topbar {
    grid-template-columns: minmax(260px, 1fr) auto;
  }

  .topbar__metrics {
    display: none;
  }

  .replay-layout {
    grid-template-columns: 208px minmax(500px, 1fr) 260px;
  }

  .roll-main {
    grid-template-columns: 108px minmax(220px, 1fr) minmax(136px, 0.7fr);
  }
}

@media (max-width: 1040px) {
  :root {
    --topbar-height: 66px;
  }

  .topbar {
    min-height: var(--topbar-height);
    padding-inline: 16px;
  }

  .control-deck {
    position: relative;
    top: auto;
    flex-wrap: wrap;
    padding: 10px 16px;
  }

  .search-control {
    order: 3;
    max-width: none;
    flex-basis: 100%;
  }

  .filter-status {
    margin-left: 0;
  }

  .replay-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
  }

  .episode-rail {
    grid-column: 1 / -1;
    position: sticky;
    top: 0;
    z-index: 12;
    max-height: none;
    display: flex;
    align-items: stretch;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--divider);
  }

  .rail-heading {
    min-width: 126px;
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--surface);
    border-right: 1px solid var(--divider);
    border-bottom: 0;
  }

  .episode-list {
    display: flex;
  }

  .episode-button {
    width: 168px;
    height: 100%;
    border-right: 1px solid var(--divider);
    border-bottom: 0;
  }

  .rail-key {
    display: none;
  }

  .reader {
    grid-column: 1;
  }

  .episode-dossier {
    grid-column: 2;
    top: 0;
    max-height: 100vh;
  }

  .episode-break,
  .turn {
    scroll-margin-top: 92px;
  }
}

@media (max-width: 780px) {
  .topbar {
    position: relative;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .source-nav {
    width: 100%;
  }

  .source-nav a {
    flex: 1 1 0;
    justify-content: center;
  }

  .jump-control {
    flex: 1 1 100%;
  }

  .filter-status {
    flex: 1 1 auto;
  }

  .replay-layout {
    display: block;
  }

  .episode-rail {
    position: relative;
  }

  .reader {
    padding: 22px 12px 52px;
  }

  .reader-heading {
    display: grid;
  }

  .turn-stepper {
    width: 100%;
  }

  .turn-stepper .step-button {
    flex: 1;
  }

  .turn-stepper span {
    justify-content: center;
  }

  .episode-dossier {
    position: relative;
    max-height: none;
    border-top: 1px solid var(--divider);
    border-left: 0;
  }

  .episode-break {
    grid-template-columns: 50px 1fr;
    gap: 12px;
    margin-top: 40px;
  }

  .table-channel,
  .event-row,
  .roll-stage__head,
  .difficulty {
    grid-template-columns: 1fr;
  }

  .table-channel__label,
  .event-label,
  .difficulty__title {
    border-right: 0;
    border-bottom: 1px solid var(--divider);
  }

  .table-channel__label {
    border-bottom-color: var(--rail-blue-line);
  }

  .table-channel__label strong,
  .event-label strong {
    display: inline;
  }

  .table-channel__label span,
  .event-label span {
    display: inline;
    margin-left: 7px;
  }

  .table-line {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .roll-main {
    grid-template-columns: 96px 1fr;
  }

  .die-result {
    min-height: 142px;
  }

  .roll-verdict {
    grid-column: 1 / -1;
    min-height: 104px;
    border-top: 1px solid var(--divider);
    border-left: 0;
  }
}

@media (max-width: 520px) {
  .identity-mark {
    width: 40px;
    height: 40px;
  }

  .view-switch {
    width: 100%;
  }

  .view-switch .control {
    flex: 1;
  }

  .search-control {
    display: grid;
    grid-template-columns: 1fr;
  }

  .jump-control label {
    width: 100%;
  }

  .jump-control input {
    flex: 1;
  }

  .reader-heading h2 {
    font-size: 2.3rem;
  }

  .turn-header {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .turn-badges {
    order: 3;
    width: 100%;
    margin-left: 0;
  }

  .turn-link {
    margin-left: auto;
  }

  .roll-main {
    grid-template-columns: 82px 1fr;
  }

  .roll-equation {
    padding-inline: 14px;
  }

  .equation {
    gap: 8px;
  }

  .equation-labels {
    gap: 5px;
  }

  .difficulty-step {
    padding-inline: 5px;
  }

  .difficulty-step strong {
    font-size: 1.35rem;
  }

  .difficulty-step span {
    font-size: 0.56rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms;
    animation-iteration-count: 1;
    transition-duration: 0.01ms;
  }
}