/* Scene roster drawer — loaded after every theme so the dock geometry stays stable. */
:root {
  --scene-roster-rail-width: 48px;
  --scene-roster-open-width: clamp(260px, 23vw, 320px);
  --scene-roster-gap: 14px;
}

.scene-roster-scrim {
  display: none;
  margin: 0;
  padding: 0;
  border: 0;
}

.scene-roster-rail-mark,
.scene-roster-badge {
  display: none;
}

.scene-roster-heading strong {
  white-space: nowrap;
}

@media (min-width: 900px) {
  #tab-chat.active {
    position: relative;
    padding-right: 0;
    transition: padding-right 220ms cubic-bezier(.2, .7, .2, 1);
  }

  #tab-chat.active:has(> .scene-roster-panel[open]) {
    padding-right: calc(var(--scene-roster-open-width) + var(--scene-roster-gap) * 2);
  }

  .scene-roster-panel {
    position: absolute;
    z-index: 46;
    top: 12px;
    right: 12px;
    bottom: 12px;
    width: var(--scene-roster-rail-width);
    max-width: none;
    max-height: none;
    margin: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 10px 32px rgba(0, 0, 0, .08), 0 0 0 .5px var(--glass-border);
    transition: width 220ms cubic-bezier(.2, .7, .2, 1), box-shadow 220ms ease;
  }

  .scene-roster-panel[open] {
    width: var(--scene-roster-open-width);
    box-shadow: 0 18px 48px rgba(0, 0, 0, .12), 0 0 0 .5px var(--glass-border);
  }

  .scene-roster-panel > summary {
    flex: 0 0 auto;
    cursor: pointer;
  }

  .scene-roster-panel:not([open]) > summary {
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 11px 6px;
    flex-direction: column;
    justify-content: flex-start;
    gap: 8px;
  }

  .scene-roster-panel:not([open]) .scene-roster-heading,
  .scene-roster-panel:not([open]) .scene-roster-readiness,
  .scene-roster-panel:not([open]) .scene-roster-body {
    display: none;
  }

  .scene-roster-panel:not([open]) .scene-roster-rail-mark,
  .scene-roster-panel:not([open]) .scene-roster-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .scene-roster-rail-mark {
    width: 30px;
    height: 30px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--accent) 11%, var(--surface));
    color: var(--accent);
    font-size: 12px;
    font-weight: 780;
  }

  .scene-roster-badge {
    min-width: 23px;
    height: 23px;
    padding: 0 5px;
    border-radius: 999px;
    background: var(--field-bg);
    color: var(--label-2);
    font-size: 10px;
    font-weight: 760;
    font-variant-numeric: tabular-nums;
  }

  .scene-roster-panel:not([open]) .scene-roster-chevron {
    display: inline-flex;
    margin-top: auto;
    transform: none;
    font-size: 22px;
  }

  .scene-roster-panel[open] .scene-roster-chevron {
    display: inline-flex;
    transform: rotate(180deg);
  }

  .scene-roster-panel[open] .scene-roster-body {
    min-height: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .scene-roster-panel[open] .scene-roster-list {
    min-height: 0;
    max-height: none;
    flex: 1;
  }
}

@media (min-width: 900px) and (max-width: 1199px) {
  #tab-chat.active {
    max-width: 100%;
  }
}

@media (max-width: 899px) {
  #tab-chat.active {
    /* Keep page content inside the mobile gutter; the roster rail itself is
       fixed to the viewport edge below. */
    padding-right: 16px;
    box-sizing: border-box;
  }

  .scene-roster-panel {
    position: fixed;
    z-index: 61;
    top: 50%;
    right: 0;
    bottom: auto;
    width: 44px;
    height: 54px;
    max-width: none;
    margin: 0;
    overflow: hidden;
    border-radius: 15px 0 0 15px;
    transform: translateY(-50%);
    box-shadow: -8px 10px 28px rgba(0, 0, 0, .14);
    transition: width 220ms cubic-bezier(.2, .7, .2, 1), height 220ms ease, transform 220ms ease;
  }

  .scene-roster-panel:not([open]) > summary {
    width: 100%;
    height: 100%;
    min-height: 0;
    padding: 7px 5px;
    flex-direction: column;
    justify-content: center;
    gap: 3px;
  }

  .scene-roster-panel:not([open]) .scene-roster-heading,
  .scene-roster-panel:not([open]) .scene-roster-readiness,
  .scene-roster-panel:not([open]) .scene-roster-chevron,
  .scene-roster-panel:not([open]) .scene-roster-body {
    display: none;
  }

  .scene-roster-panel:not([open]) .scene-roster-rail-mark,
  .scene-roster-panel:not([open]) .scene-roster-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .scene-roster-panel:not([open]) .scene-roster-rail-mark {
    color: var(--accent);
    font-size: 12px;
    font-weight: 780;
  }

  .scene-roster-panel:not([open]) .scene-roster-badge {
    min-width: 20px;
    height: 18px;
    padding: 0 4px;
    border-radius: 999px;
    background: var(--field-bg);
    color: var(--label-2);
    font-size: 9px;
    font-weight: 760;
  }

  .scene-roster-panel[open] {
    top: max(72px, calc(env(safe-area-inset-top, 0px) + 12px));
    right: 0;
    bottom: max(12px, env(safe-area-inset-bottom, 0px));
    width: min(88vw, 340px);
    height: auto;
    border-radius: 18px 0 0 18px;
    transform: none;
  }

  .scene-roster-panel[open] .scene-roster-rail-mark,
  .scene-roster-panel[open] .scene-roster-badge {
    display: none;
  }

  .scene-roster-panel[open] .scene-roster-chevron {
    display: inline-flex;
    transform: rotate(180deg);
  }

  .scene-roster-panel[open] .scene-roster-body {
    min-height: 0;
    height: calc(100% - 48px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .scene-roster-panel[open] .scene-roster-list {
    min-height: 0;
    max-height: none;
    flex: 1;
  }

  .scene-roster-panel[open] + .scene-roster-scrim {
    position: fixed;
    z-index: 60;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    background: rgba(8, 10, 16, .28);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
  }
}

@media (max-width: 360px) {
  .scene-roster-panel[open] {
    width: calc(100vw - 18px);
  }

  .scene-roster-panel[open] > summary {
    gap: 6px;
    padding-inline: 9px 7px;
  }

  .scene-roster-panel[open] .scene-roster-count {
    display: none;
  }

  .scene-roster-panel[open] .scene-roster-readiness {
    padding-inline: 6px;
    font-size: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  #tab-chat.active,
  .scene-roster-panel {
    transition: none;
  }
}