:root {
  color-scheme: light dark;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f8f8f3;
  color: #171717;
  overflow-x: hidden;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  padding: 22px;
  position: relative;
  overflow-x: hidden;
}
.app-layout {
  width: min(100%, 980px);
  min-height: calc(100vh - 44px);
  min-height: calc(100svh - 44px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 520px);
  grid-template-rows: minmax(0, 1fr) auto;
  justify-content: center;
  gap: 22px;
}
main {
  width: 100%;
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto minmax(12px, 1fr) auto auto auto auto;
  gap: 16px;
}
.app-header {
  display: grid;
  gap: 12px;
  text-align: center;
}
h1 {
  margin: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .2em;
  font-size: clamp(28px, 8vw, 42px);
  line-height: 1;
  letter-spacing: 0;
}
.brand-icon {
  width: .95em;
  height: .95em;
  flex: 0 0 auto;
}
.tagline {
  min-height: 22px;
  margin: 0;
  color: #5c6257;
  font-size: 15px;
  font-weight: 650;
}
.screen {
  display: grid;
  gap: 14px;
  align-content: start;
}
.qr {
  width: min(100%, 288px);
  aspect-ratio: 1;
  justify-self: center;
  border: 1px solid #d9dbd2;
  border-radius: 8px;
  padding: 12px;
  background: #fff;
  cursor: pointer;
}
.qr canvas { display: block; width: 100%; height: 100%; }
.qr.collapsed { display: none; }
.qr-controls {
  display: flex;
  justify-content: center;
}
.qr-toggle {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid #d9dbd2;
  background: #f8f8f3;
  color: #174ea6;
  font-size: 13px;
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.messages {
  display: none !important;
}
.bubble {
  display: none !important;
}
.spacer { min-height: 12px; }
.button-spacer { min-height: 0; }
.notice {
  width: min(100%, 340px);
  justify-self: center;
  min-height: 102px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 14px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 12px;
  align-items: start;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .16s ease, transform .16s ease;
}
.notice.show {
  opacity: 1;
  transform: translateY(0);
}
.notice.success {
  border-color: #bbf7d0;
  background: #f0fdf4;
}
.notice.pending {
  border-color: #fde68a;
  background: #fffbeb;
}
.notice.peek {
  border-color: #d9dbd2;
  background: #f8f8f3;
  grid-template-columns: 1fr;
}
.notice.error {
  border-color: #fecaca;
  background: #fff1f2;
}
.notif-icon {
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 800;
}
.notice.success .notif-icon {
  background: #dcfce7;
  color: #22c55e;
}
.notice.pending .notif-icon {
  background: #fef3c7;
  color: #b45309;
}
.notice.peek .notif-icon {
  background: #e8eadf;
  color: #3f463b;
}
.notice.peek .notif-icon,
.notice.peek .notif-status {
  display: none;
}
.notice.error .notif-icon {
  background: #ffe4e6;
  color: #be123c;
}
.notif-icon svg {
  width: 17px;
  height: 17px;
  stroke-width: 2.4;
}
.notif-status {
  align-self: center;
  font-size: 15px;
  font-weight: 750;
  color: #171717;
}
.notif-data {
  grid-column: 1 / -1;
  max-height: 220px;
  overflow-y: auto;
  color: #3f463b;
  font-size: 13px;
  line-height: 1.35;
  white-space: pre-wrap;
  word-break: break-word;
}
.notif-image {
  display: block;
  width: 100%;
  max-height: 220px;
  border: 1px solid #d9dbd2;
  border-radius: 6px;
  background: #fff;
  object-fit: contain;
}
.actions {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
button {
  min-height: 50px;
  border: 0;
  border-radius: 8px;
  padding: 0 20px;
  background: #174ea6;
  color: #fff;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}
button:disabled {
  cursor: not-allowed;
  opacity: .55;
}
.send-button {
  width: min(100%, 240px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.peek-button {
  width: 42px;
  min-width: 42px;
  min-height: 42px;
  padding: 0;
  display: grid;
  place-items: center;
  background: #f8f8f3;
  color: #174ea6;
  border: 1px solid #d9dbd2;
}
.peek-button svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.4;
}
.send-button svg {
  width: 20px;
  height: 20px;
  stroke-width: 2.5;
}
.desktop-pane {
  width: 100%;
  border: 1px solid #d9dbd2;
  border-radius: 8px;
  background: #fff;
  padding: 0 16px 16px;
  align-self: start;
}
.pane-toggle {
  display: none;
}
.pane-controls {
  display: none;
}
.pane-head {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin: 0 -16px 12px;
  padding: 16px;
  background: #fff;
}
.pane-head h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: 0;
}
.pane-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.pane-title svg {
  width: 18px;
  height: 18px;
  color: #174ea6;
  stroke-width: 2.4;
}
.device-count {
  color: #5c6257;
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.session-list {
  display: grid;
  margin-top: 14px;
  margin-inline: -8px;
  border-top: 1px solid #e3e5dd;
  margin-bottom: 14px;
}
.session-row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) 34px;
  gap: 8px 10px;
  align-items: center;
  padding: 12px 8px;
  border-bottom: 1px solid #e3e5dd;
  cursor: pointer;
}
.session-row.active {
  background: #eff6ff;
}
.session-status {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #d9dbd2;
}
.session-row.active .session-status {
  background: #174ea6;
}
.session-row.local-active .session-status {
  background: #16a34a;
}
.session-name {
  min-width: 0;
  color: #171717;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.session-meta {
  grid-column: 2 / -1;
  color: #5c6257;
  font-size: 12px;
  line-height: 1.35;
}
.add-session {
  min-height: 34px;
  padding: 0 12px;
  font-size: 13px;
}
.edit-session-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  background: transparent;
  color: #5c6257;
  opacity: 0;
  transition: opacity .12s ease, background-color .12s ease, border-color .12s ease;
}
.session-row:hover .edit-session-button,
.edit-session-button:focus-visible {
  opacity: 1;
}
.edit-session-button:hover,
.edit-session-button:focus-visible {
  border-color: #d9dbd2;
  background: #f8f8f3;
  color: #174ea6;
}
.edit-session-button svg {
  width: 17px;
  height: 17px;
  stroke-width: 2.4;
}
.device-list {
  display: grid;
  margin-top: 14px;
  margin-inline: -8px;
  border-top: 1px solid #e3e5dd;
}
.device-row {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) 34px;
  gap: 8px 10px;
  align-items: center;
  padding: 12px 8px;
  border-bottom: 1px solid #e3e5dd;
  cursor: pointer;
}
.device-row.active {
  background: #eff6ff;
}
.join-request-row {
  grid-template-columns: 10px minmax(0, 1fr) minmax(70px, auto);
  background: #fffbeb;
  border-radius: 8px;
}
.device-status {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #dc2626;
}
.device-status.online {
  background: #16a34a;
}
.join-request-row .device-status {
  background: #f59e0b;
}
.device-name {
  min-width: 0;
  color: #171717;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.device-meta {
  grid-column: 2 / -1;
  color: #5c6257;
  font-size: 12px;
  line-height: 1.35;
}
.edit-device-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  background: transparent;
  color: #5c6257;
  opacity: 0;
  transition: opacity .12s ease, background-color .12s ease, border-color .12s ease;
}
.device-row:hover .edit-device-button,
.edit-device-button:focus-visible {
  opacity: 1;
}
.edit-device-button:hover,
.edit-device-button:focus-visible {
  border-color: #d9dbd2;
  background: #f8f8f3;
  color: #174ea6;
}
.edit-device-button svg {
  width: 17px;
  height: 17px;
  stroke-width: 2.4;
}
.join-request-button {
  min-width: 70px;
  min-height: 34px;
  padding: 0 12px;
  font-size: 12px;
  text-align: center;
  white-space: nowrap;
}
.join-request-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}
.empty-devices {
  margin: 12px 0 0;
  color: #5c6257;
  font-size: 13px;
}
.modal {
  position: fixed;
  inset: 0;
  z-index: 10;
  display: grid;
  place-items: center;
  padding: 22px;
  min-height: 100vh;
  min-height: 100svh;
  background: rgba(23, 23, 23, .34);
}
.modal-card {
  width: min(100%, 360px);
  border: 1px solid #d9dbd2;
  border-radius: 8px;
  background: #fff;
  padding: 16px;
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.modal-head h2 {
  margin: 0;
  font-size: 18px;
  line-height: 1.2;
}
.icon-button {
  width: 34px;
  min-height: 34px;
  padding: 0;
  display: grid;
  place-items: center;
  border: 1px solid transparent;
  background: transparent;
  color: #5c6257;
}
.icon-button:hover,
.icon-button:focus-visible {
  border-color: #d9dbd2;
  background: #f8f8f3;
  color: #171717;
}
.icon-button svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.4;
}
.modal-field {
  display: grid;
  gap: 6px;
  color: #5c6257;
  font-size: 13px;
  font-weight: 650;
}
.modal-field input {
  min-height: 42px;
  border: 1px solid #d9dbd2;
  border-radius: 6px;
  padding: 0 10px;
  background: #fff;
  color: #171717;
  font: inherit;
  font-weight: 650;
}
.modal-actions {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
}
.danger-button {
  background: #fff1f2;
  color: #be123c;
  border: 1px solid #fecaca;
}
.hidden { display: none !important; }
.site-footer {
  width: min(100%, 1040px);
  margin: 0 auto;
  grid-column: 1;
  grid-row: 2;
  color: #5c6257;
  font-size: 13px;
  font-weight: 650;
  text-align: center;
}
.site-footer a {
  color: #5c6257;
  text-decoration: none;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.site-footer a:hover {
  color: #174ea6;
  text-decoration: underline;
}

@media (min-width: 1180px) {
  body.pc-mode {
    padding-left: 0;
    padding-right: 0;
  }
  .app-layout.pc-mode {
    width: 100%;
    max-width: none;
    margin: 0;
    position: relative;
    grid-template-columns: minmax(0, 1fr) minmax(0, 520px) minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) auto;
    justify-content: stretch;
  }
  .app-layout.pc-mode main {
    grid-column: 2;
    grid-row: 1;
  }
  .app-layout.pc-mode .site-footer {
    grid-column: 2;
    grid-row: 2;
  }
  .app-layout.pc-mode .desktop-pane {
    position: absolute;
    top: -22px;
    width: 320px;
    height: 100svh;
    overflow-y: auto;
    border-top: 0;
    border-bottom: 0;
  }
  .app-layout.pc-mode .session-pane {
    left: 0;
    border-left: 0;
    border-radius: 0 8px 8px 0;
  }
  .app-layout.pc-mode .device-pane {
    right: 0;
    border-right: 0;
    border-radius: 8px 0 0 8px;
  }
}
@media (max-width: 1179px) {
  body.mobile-mode,
  body.pc-mode {
    overflow-x: hidden;
  }
  body.mobile-mode main,
  body.pc-mode main {
    grid-template-rows: auto auto minmax(8px, 1fr) auto auto auto auto;
    gap: 12px;
  }
  body.mobile-mode .qr,
  body.pc-mode .qr {
    width: min(100%, 196px);
    padding: 8px;
  }
  body.mobile-mode .notice,
  body.pc-mode .notice {
    min-height: 86px;
  }
  .pane-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
  }
  .pane-toggle {
    width: min(50%, 190px);
    max-width: 190px;
    min-height: 46px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid #d9dbd2;
    border-radius: 8px;
    background: #fff;
    color: #174ea6;
    font-size: 13px;
  }
  .pane-toggle svg {
    width: 18px;
    height: 18px;
    stroke-width: 2.5;
  }
  body.session-pane-open .session-pane-toggle,
  body.device-pane-open .device-pane-toggle {
    background: #174ea6;
    border-color: #174ea6;
    color: #fff;
  }
  body.mobile-mode .desktop-pane,
  body.pc-mode .desktop-pane {
    display: none;
    position: fixed;
    top: auto;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 5;
    width: 100vw;
    max-height: min(70svh, 520px);
    min-height: 0;
    overflow-y: auto;
    border: 1px solid #d9dbd2;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 8px 8px 0 0;
  }
  body.mobile-mode .session-pane,
  body.pc-mode .session-pane {
    right: 0;
  }
  body.mobile-mode .device-pane,
  body.pc-mode .device-pane {
    right: 0;
  }
  body.mobile-mode.session-pane-open .session-pane,
  body.pc-mode.session-pane-open .session-pane,
  body.mobile-mode.device-pane-open .device-pane,
  body.pc-mode.device-pane-open .device-pane {
    display: block;
  }
  @media (hover: none) and (pointer: coarse) {
    .edit-session-button,
    .edit-device-button {
      opacity: 1;
    }
  }
}
@media (prefers-color-scheme: dark) {
  :root { background: #11130f; color: #f4f4ef; }
  .tagline { color: #b9beb1; }
  .qr { background: #fff; border-color: #34372f; }
  .notice.success {
    border-color: #14532d;
    background: #052e16;
  }
  .notice.pending {
    border-color: #854d0e;
    background: #422006;
  }
  .notice.peek {
    border-color: #34372f;
    background: #1b1d18;
  }
  .notice.error {
    border-color: #881337;
    background: #4c0519;
  }
  .notice.success .notif-icon {
    background: #166534;
    color: #86efac;
  }
  .notice.pending .notif-icon {
    background: #713f12;
    color: #fde68a;
  }
  .notice.peek .notif-icon {
    background: #252820;
    color: #d7dccf;
  }
  .notice.error .notif-icon {
    background: #881337;
    color: #fecdd3;
  }
  .notif-status { color: #f4f4ef; }
  .notif-data { color: #d7dccf; }
  button { background: #8ab4f8; color: #11130f; }
  .qr-toggle {
    background: #252820;
    border-color: #34372f;
    color: #8ab4f8;
  }
  .peek-button {
    background: #252820;
    border-color: #34372f;
    color: #8ab4f8;
  }
  .notif-image {
    background: #11130f;
    border-color: #34372f;
  }
  .desktop-pane {
    background: #1b1d18;
    border-color: #34372f;
  }
  .pane-head {
    background: #1b1d18;
  }
  .pane-title svg {
    color: #8ab4f8;
  }
  .pane-toggle {
    background: #1b1d18;
    border-color: #34372f;
    color: #8ab4f8;
  }
  .device-count,
  .device-meta,
  .empty-devices {
    color: #b9beb1;
  }
  .device-list,
  .device-row,
  .session-list,
  .session-row {
    border-color: #34372f;
  }
  .session-name,
  .device-name { color: #f4f4ef; }
  .session-meta { color: #b9beb1; }
  .session-row.active,
  .device-row.active { background: #172033; }
  .session-row.active .session-status { background: #8ab4f8; }
  .join-request-row { background: #422006; }
  .edit-session-button:hover,
  .edit-session-button:focus-visible,
  .edit-device-button:hover,
  .edit-device-button:focus-visible,
  .icon-button:hover,
  .icon-button:focus-visible {
    background: #252820;
    border-color: #34372f;
    color: #8ab4f8;
  }
  .modal {
    background: rgba(0, 0, 0, .58);
  }
  .modal-card {
    background: #1b1d18;
    border-color: #34372f;
  }
  .modal-head h2,
  .modal-field input {
    color: #f4f4ef;
  }
  .modal-field { color: #b9beb1; }
  .modal-field input {
    background: #11130f;
    border-color: #34372f;
  }
  .danger-button {
    background: #4c0519;
    border-color: #881337;
    color: #fecdd3;
  }
  .site-footer { color: #b7bcae; }
  .site-footer a { color: #b7bcae; }
  .site-footer a:hover {
    color: #8ab4f8;
    text-decoration: underline;
  }
}