:root {
  --duel-blue: #1153d9;
  --duel-blue-deep: #0835af;
  --duel-blue-dark: #06247d;
  --duel-blue-soft: #eaf1ff;
  --duel-coral: #ff665f;
  --duel-coral-dark: #d84945;
  --duel-coral-soft: #fff0ed;
  --duel-teal: #27b8ad;
  --duel-teal-dark: #11847d;
  --duel-teal-soft: #e6f8f5;
  --duel-yellow: #d9f450;
  --duel-stage-text: #f7fbff;
}

body {
  background-color: #f6f4ed;
  background-image:
    radial-gradient(circle at 10% 9%, rgba(215, 239, 114, .18), transparent 24%),
    radial-gradient(circle at 92% 18%, rgba(17, 83, 217, .08), transparent 27%),
    radial-gradient(#c8cbc0 1px, transparent 1px);
}

.typing-main {
  width: min(1380px, calc(100% - 40px));
  min-height: calc(100vh - 190px);
  margin: 0 auto;
  padding: 36px 0 72px;
}

/* Lobby */
.lobby-stage {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-columns: minmax(0, .86fr) minmax(480px, 1.14fr);
  min-height: 470px;
  overflow: hidden;
  margin-bottom: 24px;
  border: 1px solid rgba(7, 42, 117, .72);
  border-radius: 25px;
  background:
    radial-gradient(circle at 82% 18%, rgba(71, 156, 255, .46), transparent 26%),
    linear-gradient(135deg, var(--duel-blue-deep), var(--duel-blue) 58%, #0645c7);
  box-shadow: 0 28px 70px rgba(11, 53, 144, .2);
  color: white;
}

.lobby-stage::before,
.arena::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .3;
  background-image: radial-gradient(rgba(255, 255, 255, .42) 1px, transparent 1px);
  background-size: 18px 18px;
  mask-image: linear-gradient(115deg, transparent 7%, #000 56%, transparent 95%);
}

.lobby-stage::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 380px;
  height: 380px;
  right: -140px;
  bottom: -215px;
  border: 58px solid rgba(215, 244, 80, .12);
  border-radius: 50%;
}

.lobby-copy {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: 48px 30px 48px 54px;
}

.lobby-copy .back-link {
  width: fit-content;
  margin: 0 0 29px;
  padding: 0;
  color: rgba(255, 255, 255, .72);
}

.lobby-copy .back-link:hover {
  color: white;
}

.duel-live-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  background: rgba(4, 35, 117, .32);
  color: var(--duel-yellow);
  font: 800 10px ui-monospace, monospace;
  letter-spacing: 1.5px;
}

.duel-live-badge i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--duel-yellow);
  box-shadow: 0 0 0 5px rgba(217, 244, 80, .15);
  animation: duel-live 1.8s ease-in-out infinite;
}

.lobby-copy h1 {
  margin: 21px 0 14px;
  font: 650 clamp(48px, 5vw, 72px)/1.01 Georgia, "Songti SC", serif;
  letter-spacing: -3px;
}

.lobby-copy h1 em {
  color: var(--duel-yellow);
  font-style: normal;
  font-weight: 450;
}

.lobby-copy > p {
  max-width: 570px;
  margin: 0;
  color: rgba(247, 251, 255, .78);
  font-size: 15px;
  line-height: 1.8;
}

.lobby-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.lobby-tags span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  background: rgba(6, 32, 100, .25);
  color: rgba(255, 255, 255, .76);
  font-size: 10px;
}

.lobby-create {
  min-width: 190px;
  margin-top: 28px;
  background: var(--duel-yellow);
  color: #0a3728;
  box-shadow: 0 14px 32px rgba(5, 31, 97, .3);
}

.lobby-create:hover {
  background: #e4ff63;
}

.lobby-create b {
  background: #0b563b;
  color: var(--duel-yellow);
}

.lobby-preview {
  align-self: center;
  min-width: 0;
  margin: 42px 45px 42px 5px;
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, .23);
  border-radius: 21px;
  background: rgba(4, 31, 111, .45);
  box-shadow: 0 25px 70px rgba(2, 22, 82, .24), inset 0 1px 0 rgba(255, 255, 255, .1);
  backdrop-filter: blur(8px);
}

.preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: rgba(255, 255, 255, .65);
  font: 800 10px ui-monospace, monospace;
  letter-spacing: 1px;
}

.preview-top strong {
  color: white;
  font-size: 15px;
}

.preview-versus {
  display: grid;
  grid-template-columns: 1fr 70px 1fr;
  align-items: center;
  margin: 31px 0;
}

.preview-player {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 0 12px;
}

.preview-player:last-child {
  direction: rtl;
  text-align: right;
}

.preview-player b {
  grid-row: 1 / span 2;
  width: 52px;
  height: 52px;
  border: 3px solid white;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-size: 19px;
  box-shadow: 0 8px 20px rgba(1, 20, 72, .3);
}

.preview-player.coral b { background: var(--duel-coral); }
.preview-player.teal b { background: var(--duel-teal); }

.preview-player strong {
  overflow: hidden;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-player span {
  color: rgba(255, 255, 255, .62);
  font: 10px ui-monospace, monospace;
}

.preview-vs {
  color: var(--duel-coral);
  font: italic 900 30px Georgia, serif;
  text-align: center;
  text-shadow: 0 4px 0 rgba(0, 0, 0, .13);
}

.preview-lanes {
  display: grid;
  gap: 18px;
}

.preview-lanes > div {
  position: relative;
  height: 9px;
  border-radius: 99px;
  background: rgba(255, 255, 255, .16);
}

.preview-lanes span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--duel-coral), #ff9388);
}

.preview-lanes div:nth-child(2) span {
  background: linear-gradient(90deg, var(--duel-teal), #67e5d4);
}

.preview-lanes b {
  position: absolute;
  right: 0;
  top: -4px;
  transform: translateY(-100%);
  color: rgba(255, 255, 255, .62);
  font: 9px ui-monospace, monospace;
}

.preview-lead {
  width: fit-content;
  margin: 24px auto 0;
  padding: 7px 12px;
  border-radius: 8px;
  background: var(--duel-yellow);
  color: #143b2d;
  font-size: 11px;
  font-weight: 900;
}

.preview-keys {
  display: flex;
  align-items: end;
  justify-content: center;
  gap: 6px;
  margin-top: 31px;
}

.preview-keys i,
.preview-keys span {
  min-width: 31px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .19);
  border-radius: 6px;
  background: rgba(255, 255, 255, .09);
  color: rgba(255, 255, 255, .62);
  font: 8px ui-monospace, monospace;
  font-style: normal;
  box-shadow: 0 4px 0 rgba(0, 15, 60, .24);
}

.preview-keys span { min-width: 92px; }

.lobby-panel {
  overflow: hidden;
}

.lobby-heading,
.side-heading,
.arena-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lobby-heading {
  min-height: 84px;
  padding: 0 25px;
  border-bottom: 1px solid var(--line);
}

.lobby-heading > div {
  display: flex;
  align-items: center;
  gap: 13px;
}

.lobby-heading > div > div {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.section-chip {
  padding: 6px 7px;
  border-radius: 6px;
  background: var(--green);
  color: var(--lime);
  font: 800 9px ui-monospace, monospace;
  letter-spacing: 1px;
}

.lobby-heading h2,
.side-heading h2 {
  margin: 0;
  font-size: 17px;
}

.lobby-heading span,
.side-heading > span {
  color: var(--muted);
  font-size: 11px;
}

.icon-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #faf9f4;
  color: var(--green);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.icon-btn:hover {
  border-color: var(--green);
  background: #eef3df;
}

.lobby-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 82px;
  border-bottom: 1px solid var(--line);
  background: #faf9f4;
}

.lobby-summary div {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-left: 1px solid var(--line);
}

.lobby-summary div:first-child { border-left: 0; }
.lobby-summary strong { color: var(--green); font: 900 22px ui-monospace, monospace; }
.lobby-summary span { color: var(--muted); font-size: 11px; }

.room-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  min-height: 190px;
  padding: 20px;
}

.room-row {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 190px;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
  cursor: pointer;
  flex-direction: column;
  transition: transform .2s, border-color .2s, box-shadow .2s;
}

.room-row::after {
  content: "";
  position: absolute;
  width: 95px;
  height: 95px;
  right: -54px;
  bottom: -56px;
  border: 20px solid rgba(17, 83, 217, .05);
  border-radius: 50%;
}

.room-row:hover,
.room-row:focus-visible {
  transform: translateY(-3px);
  border-color: #aebce3;
  box-shadow: 0 15px 34px rgba(29, 57, 114, .1);
  outline: none;
}

.room-row-top,
.room-row-meta,
.room-row-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.room-row h3 {
  min-width: 0;
  margin: 20px 0 7px;
  overflow: hidden;
  font-size: 18px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-row p,
.room-row span {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.room-row-meta {
  justify-content: flex-start;
}

.room-row-capacity {
  height: 5px;
  margin: 17px 0 15px;
  overflow: hidden;
  border-radius: 999px;
  background: #ecece5;
}

.room-row-capacity i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), #53a267);
}

.room-row-footer {
  margin-top: auto;
}

.room-row .room-enter {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--green);
  font-size: 11px;
}

.room-row .room-enter b {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: var(--lime);
  font-size: 16px;
}

.room-list-state {
  grid-column: 1 / -1;
  display: flex;
  min-height: 150px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

.room-list-state.empty-state {
  align-items: center;
  flex-direction: column;
}

.room-list-state strong { color: var(--ink); font-size: 16px; }
.room-list-state span { max-width: 340px; line-height: 1.7; }
.empty-keyboard { color: var(--green); font-size: 36px; }

.loading-orb {
  width: 12px;
  height: 12px;
  border: 2px solid #cfd5c5;
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}

.state-pill {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 27px;
  padding: 0 9px;
  border: 1px solid #cbd7aa;
  border-radius: 999px;
  background: #eef3df;
  color: var(--green)!important;
  font-size: 10px!important;
  font-weight: 800;
}

.state-pill.running,
.state-pill.countdown {
  border-color: #afc8f6;
  background: var(--duel-blue-soft);
  color: var(--duel-blue)!important;
}

.state-pill.running::before,
.state-pill.countdown::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-right: 5px;
  border-radius: 50%;
  background: currentColor;
  animation: duel-live 1.4s ease-in-out infinite;
}

.state-pill.finished {
  border-color: #e3c1b8;
  background: var(--duel-coral-soft);
  color: var(--duel-coral-dark)!important;
}

/* Room shell */
.room-top {
  display: grid;
  grid-template-columns: 135px minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  min-height: 90px;
  margin-bottom: 16px;
  padding: 15px 20px;
}

.room-back {
  width: fit-content;
  margin: 0;
  padding: 0;
  text-align: left;
}

.room-title-line {
  display: flex;
  align-items: center;
  gap: 11px;
}

.room-title-line h1 {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  font-size: 23px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.room-identity p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.room-utilities {
  display: flex;
  align-items: center;
  gap: 14px;
}

.sound-toggle {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #faf9f4;
  color: var(--muted);
  cursor: pointer;
}

.sound-toggle > span {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  background: #e9e9e2;
  font-size: 12px;
}

.sound-toggle b { font-size: 10px; }
.sound-toggle.enabled { border-color: #b6c998; color: var(--green); background: #f3f7e8; }
.sound-toggle.enabled > span { background: var(--lime); color: var(--green); }

.socket-state {
  display: flex;
  align-items: center;
  justify-content: end;
  gap: 7px;
  color: var(--muted);
  font-size: 10px;
}

.socket-state i,
.presence-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #a4aaa6;
}

.socket-state.online i,
.player-screen.online .presence-dot {
  background: #43c276;
  box-shadow: 0 0 0 3px rgba(67, 194, 118, .16);
}

.socket-state.error i { background: var(--duel-coral); }

.room-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  align-items: start;
}

.room-sidebar {
  display: grid;
  gap: 14px;
}

.owner-panel,
.member-panel,
.history-panel {
  padding: 19px;
}

.side-heading > div {
  display: flex;
  align-items: center;
  gap: 8px;
}

.side-icon {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  background: #edf2e5;
  color: var(--green);
  font-size: 12px;
}

.invite-block {
  margin: 16px 0;
  padding: 13px;
  border: 1px solid #d7dfcc;
  border-radius: 10px;
  background: linear-gradient(135deg, #f5f8ed, #fbfbf6);
}

.invite-block label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
}

.invite-block > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.invite-block strong {
  color: var(--green);
  letter-spacing: 3px;
  font: 900 21px/1 ui-monospace, monospace;
}

.text-action,
.danger-link {
  border: 0;
  background: none;
  cursor: pointer;
  font-size: 10px;
}

.text-action { margin-top: 9px; padding: 0; color: var(--green); }
.danger-link { width: 100%; margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--line); color: var(--red); }

.battle-form { display: grid; gap: 11px; }

.battle-form label,
.small-modal label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}

.battle-form select,
.small-modal input {
  width: 100%;
  height: 41px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  background: #faf9f4;
  color: var(--ink);
  font-size: 11px;
}

.battle-form select:disabled { opacity: .65; }

.article-meta {
  min-height: 34px;
  padding: 9px 10px;
  border-left: 3px solid var(--duel-yellow);
  background: #fff9e7;
  color: #786426;
  font-size: 9px;
  line-height: 1.5;
}

.owner-actions {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 7px;
}

.secondary-btn {
  min-height: 41px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #faf9f4;
  color: var(--ink);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.secondary-btn:hover { border-color: var(--green); }
.compact-btn { min-height: 41px; padding-left: 12px; gap: 7px; font-size: 11px; }
.compact-btn b { width: 26px; height: 26px; }
.rematch-btn { width: 100%; min-height: 43px; }

.manual-finish-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 41px;
  margin-top: 11px;
  padding: 0 12px;
  border: 1px solid #dfb4aa;
  border-radius: 8px;
  background: var(--duel-coral-soft);
  color: var(--duel-coral-dark);
  cursor: pointer;
  font-size: 11px;
  font-weight: 800;
}

.manual-finish-btn:hover { border-color: var(--duel-coral); background: #f6dfd9; }
.manual-finish-btn:disabled { cursor: wait; opacity: .65; }

.member-list,
.history-list { display: grid; margin-top: 11px; }

.member-row {
  display: grid;
  grid-template-columns: 9px 27px minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

.member-row:first-child { border-top: 0; }
.member-row > i { width: 6px; height: 6px; border-radius: 50%; background: #a4aaa6; }
.member-row.online > i { background: #3b9b66; }

.member-avatar {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #e8eee5;
  color: var(--green);
  font-size: 10px;
  font-weight: 900;
}

.member-row.player-left .member-avatar { background: var(--duel-coral-soft); color: var(--duel-coral-dark); }
.member-row.player-right .member-avatar { background: var(--duel-teal-soft); color: var(--duel-teal-dark); }
.member-row strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.member-row small { display: block; color: var(--muted); font-size: 8px; font-weight: 500; }
.kick-button { border: 0; background: none; color: var(--red); cursor: pointer; font-size: 9px; }

.history-item {
  position: relative;
  padding: 11px 0 11px 14px;
  border-top: 1px solid var(--line);
}

.history-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #b8c4b8;
}

.history-item.win::before { background: var(--duel-yellow); box-shadow: 0 0 0 3px rgba(215, 239, 114, .22); }
.history-item:first-child { border-top: 0; }
.history-item strong,
.history-item span { display: block; }
.history-item strong { margin-bottom: 4px; font-size: 10px; }
.history-item span { color: var(--muted); font-size: 8px; line-height: 1.55; }

/* Arena */
.arena {
  position: relative;
  isolation: isolate;
  min-width: 0;
  min-height: 760px;
  overflow: hidden;
  border-color: #0b45bd;
  background:
    radial-gradient(circle at 48% -20%, rgba(88, 168, 255, .82), transparent 34%),
    linear-gradient(145deg, var(--duel-blue), var(--duel-blue-deep) 65%, var(--duel-blue-dark));
  box-shadow: 0 24px 70px rgba(13, 60, 166, .2);
}

.arena-heading {
  min-height: 71px;
  padding: 13px 21px;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  background: rgba(3, 36, 125, .28);
}

.arena-heading h2 {
  margin: 4px 0 0;
  color: white;
  font-size: 17px;
}

.arena-kicker {
  color: var(--duel-yellow);
  font: 800 9px ui-monospace, monospace;
  letter-spacing: 1.2px;
}

.arena-room-mark {
  color: rgba(255, 255, 255, .45);
  font: 800 9px ui-monospace, monospace;
  letter-spacing: 1.5px;
}

.duel-scoreboard {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 110px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  min-height: 112px;
  padding: 18px 25px 12px;
  color: white;
}

.duelist {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.duelist-right { justify-content: flex-end; text-align: right; }
.duelist > div { min-width: 0; }

.duelist-avatar {
  width: 57px;
  height: 57px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border: 3px solid rgba(255, 255, 255, .9);
  border-radius: 50%;
  background: var(--duel-coral);
  box-shadow: 0 10px 26px rgba(0, 16, 73, .28);
  font-size: 20px;
  font-weight: 900;
}

.duelist-right .duelist-avatar { background: var(--duel-teal); }
.duelist strong { display: block; max-width: 220px; overflow: hidden; font-size: 17px; text-overflow: ellipsis; white-space: nowrap; }
.duelist span:not(.duelist-avatar) { display: block; margin-top: 4px; color: rgba(255, 255, 255, .62); font: 9px ui-monospace, monospace; }

.match-center {
  display: grid;
  justify-items: center;
  gap: 1px;
}

.match-center > span { color: var(--duel-yellow); font: 800 8px ui-monospace, monospace; letter-spacing: 1px; }
.versus-mark { color: var(--duel-coral); font: italic 900 28px Georgia, serif; text-shadow: 0 4px 0 rgba(0, 0, 0, .14); }
.match-center > b { color: white; font: 900 19px ui-monospace, monospace; }

.race-board {
  position: relative;
  display: grid;
  gap: 13px;
  padding: 9px 25px 24px;
}

.race-lead {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 1px;
  transform: translate(-50%, -50%);
  min-width: 138px;
  padding: 6px 10px;
  border-radius: 7px;
  background: var(--duel-yellow);
  color: #163c2d;
  font-size: 9px;
  font-weight: 900;
  text-align: center;
  box-shadow: 0 7px 18px rgba(1, 25, 86, .2);
  transition: background .2s, color .2s;
}

.race-lead.left { background: #ff8a80; color: white; }
.race-lead.right { background: #55dfd0; color: #063e3a; }
.race-lead.neutral { background: rgba(255, 255, 255, .14); color: rgba(255, 255, 255, .7); box-shadow: none; }

.race-lane {
  display: grid;
  grid-template-columns: 23px minmax(0, 1fr) 38px;
  align-items: center;
  gap: 9px;
}

.race-flag { color: white; font-size: 18px; transform: rotate(-12deg); }
.race-lane > strong { color: rgba(255, 255, 255, .72); font: 800 9px ui-monospace, monospace; text-align: right; }

.race-track {
  position: relative;
  height: 8px;
  border-radius: 99px;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .22) 0 7px, transparent 7px 12px);
}

.race-track i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--duel-coral), #ff9389);
  transition: width .2s linear;
}

.race-right .race-track i { background: linear-gradient(90deg, var(--duel-teal), #69e6d7); }

.race-track b {
  position: absolute;
  left: 0;
  top: 50%;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  transform: translate(-50%, -50%);
  border: 2px solid white;
  border-radius: 50%;
  background: var(--duel-coral);
  color: white;
  font: 900 10px ui-monospace, monospace;
  box-shadow: 0 5px 12px rgba(0, 18, 70, .3);
  transition: left .2s linear;
}

.race-right .race-track b { background: var(--duel-teal); }

.battle-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px;
  padding: 0 18px 15px;
}

.player-screen {
  min-width: 0;
  min-height: 409px;
  padding: 16px;
  border: 2px solid transparent;
  border-radius: 15px;
  background: rgba(255, 255, 255, .98);
  box-shadow: 0 16px 36px rgba(0, 25, 87, .2);
  transition: border-color .2s, transform .2s, box-shadow .2s;
}

.player-screen.leading { transform: translateY(-2px); box-shadow: 0 19px 42px rgba(0, 25, 87, .27); }
#leftPlayerScreen.leading { border-color: var(--duel-coral); }
#rightPlayerScreen.leading { border-color: var(--duel-teal); }
.player-screen.self-player { box-shadow: 0 0 0 3px rgba(217, 244, 80, .78), 0 18px 42px rgba(0, 25, 87, .27); }
.player-screen.winner { animation: winner-card .7s ease both; }
.player-screen.mistake-pulse { animation: mistake-shake .22s ease; }

.player-screen > header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 34px;
  margin-bottom: 12px;
}

.player-screen > header > div {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
}

.player-name { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }

.self-badge {
  padding: 3px 6px;
  border-radius: 5px;
  background: var(--duel-yellow);
  color: var(--green);
  font-size: 8px;
  font-weight: 900;
}

.combo-badge {
  flex: 0 0 auto;
  min-width: 78px;
  padding: 6px 8px;
  border: 1px solid #e0e2db;
  border-radius: 7px;
  background: #f4f5f0;
  color: #7d857f;
  font: 800 9px ui-monospace, monospace;
  text-align: center;
  transition: .18s;
}

#leftPlayerScreen .combo-badge.hot { border-color: #ffc0ba; background: var(--duel-coral-soft); color: var(--duel-coral-dark); }
#rightPlayerScreen .combo-badge.hot { border-color: #a6e2db; background: var(--duel-teal-soft); color: var(--duel-teal-dark); }
.combo-badge.punch { animation: combo-punch .3s ease; }

.typing-copy {
  height: 278px;
  min-height: 278px;
  padding: 15px;
  overflow: auto;
  border: 1px solid #e0e2dc;
  border-radius: 10px;
  background: #fbfbf8;
  color: var(--ink);
  font: 14px/1.95 "PingFang SC", "Microsoft YaHei", sans-serif;
  text-align: left;
  white-space: pre-wrap;
  word-break: break-all;
  user-select: none;
  scrollbar-width: thin;
}

.arena.code-article .typing-copy,
.arena.code-article .typing-dock textarea {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 12px;
  line-height: 1.72;
  tab-size: 4;
  word-break: normal;
  overflow-wrap: normal;
}

.empty-copy { display: grid; place-items: center; color: #929992; font-size: 11px; }
.typing-copy .correct { color: #08703d; background: #def4dd; }
.typing-copy .wrong { color: white; background: var(--duel-coral); box-shadow: 0 0 0 2px rgba(255, 102, 95, .15); }
.typing-copy .cursor-char { border-bottom: 2px solid var(--duel-coral); color: var(--ink); animation: cursor-blink 1s steps(2) infinite; }
#rightPlayerScreen .typing-copy .cursor-char { border-color: var(--duel-teal); }
.typing-copy .remaining { color: #7f8781; }

.player-progress {
  height: 5px;
  margin: 12px 0;
  overflow: hidden;
  border-radius: 999px;
  background: #e7e8e1;
}

.player-progress i {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--duel-coral);
  transition: width .16s linear;
}

#rightPlayerScreen .player-progress i { background: var(--duel-teal); }

.player-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
}

.player-stats div { padding: 0 7px; border-left: 1px solid var(--line); }
.player-stats div:first-child { padding-left: 0; border-left: 0; }
.player-stats dt { margin-bottom: 3px; color: var(--muted); font-size: 8px; }
.player-stats dd { margin: 0; font: 900 10px ui-monospace, monospace; }

.typing-dock {
  position: sticky;
  z-index: 4;
  bottom: 0;
  margin: 0 18px 14px;
  padding: 13px 14px 14px;
  border: 1px solid rgba(217, 244, 80, .8);
  border-radius: 12px;
  background: rgba(4, 34, 119, .92);
  box-shadow: 0 -10px 35px rgba(0, 22, 83, .2);
  backdrop-filter: blur(10px);
}

.typing-dock-label {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 8px;
  color: white;
  font-size: 10px;
}

.typing-dock-label span { color: rgba(255, 255, 255, .62); }

.typing-dock textarea {
  min-height: 75px;
  max-height: 126px;
  resize: none;
  padding: 11px 13px;
  border: 2px solid var(--duel-yellow);
  background: white;
  font-size: 14px;
  line-height: 1.65;
  box-shadow: 0 0 0 4px rgba(217, 244, 80, .13);
}

.waiting-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 0 18px 14px;
  padding: 15px 20px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: 11px;
  background: rgba(3, 31, 110, .38);
  color: rgba(255, 255, 255, .64);
  font-size: 10px;
}

.waiting-note > div { display: grid; gap: 3px; }
.waiting-note strong { color: white; font-size: 11px; }
.waiting-icon { color: var(--duel-yellow); font-size: 23px; }

.reaction-dock {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 76px;
  padding: 12px 18px;
  border-top: 1px solid rgba(255, 255, 255, .14);
  background: rgba(2, 25, 92, .38);
  color: white;
}

.reaction-dock > div:first-child { display: grid; gap: 4px; }
.reaction-dock strong { font-size: 11px; }
.reaction-dock span { color: rgba(255, 255, 255, .55); font-size: 9px; }
.reaction-dock.disabled { opacity: .58; }

.reaction-buttons { display: flex; align-items: center; gap: 7px; }

.reaction-buttons button {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 10px;
  background: rgba(255, 255, 255, .09);
  cursor: pointer;
  font-size: 19px;
  transition: transform .15s, background .15s;
}

.reaction-buttons button:hover:not(:disabled) { transform: translateY(-3px) scale(1.06); background: rgba(255, 255, 255, .18); }
.reaction-buttons button:disabled { cursor: not-allowed; filter: grayscale(.5); }
.reaction-buttons button.punch { animation: combo-punch .3s ease; }

.reaction-layer {
  position: absolute;
  inset: 75px 0 68px;
  z-index: 8;
  overflow: hidden;
  pointer-events: none;
}

.reaction-burst {
  position: absolute;
  left: var(--reaction-x, 50%);
  bottom: -34px;
  display: grid;
  justify-items: center;
  gap: 3px;
  animation: reaction-float 2.6s ease-out forwards;
  filter: drop-shadow(0 7px 7px rgba(0, 16, 70, .22));
}

.reaction-burst b { font-size: 31px; }
.reaction-burst span { max-width: 100px; overflow: hidden; color: white; font-size: 8px; text-overflow: ellipsis; white-space: nowrap; }

.result-strip {
  position: relative;
  z-index: 6;
  margin: 14px 18px 0;
  padding: 17px 18px;
  overflow: hidden;
  border: 1px solid rgba(217, 244, 80, .7);
  border-radius: 13px;
  background: linear-gradient(115deg, rgba(217, 244, 80, .97), rgba(242, 255, 180, .96));
  color: #123d2c;
  box-shadow: 0 14px 30px rgba(0, 27, 95, .2);
}

.result-strip.neutral {
  border-color: rgba(255, 255, 255, .24);
  background: rgba(255, 255, 255, .93);
  color: var(--ink);
}

.result-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
}

.result-main > span { font-size: 25px; }
.result-main strong { font-size: 17px; }
.result-main small { color: rgba(18, 61, 44, .7); font-size: 9px; }
.result-stats { display: flex; justify-content: center; gap: 18px; margin-top: 8px; font: 800 9px ui-monospace, monospace; }

.confetti {
  position: absolute;
  left: var(--confetti-x);
  top: -12px;
  width: 7px;
  height: 13px;
  border-radius: 2px;
  background: var(--confetti-color);
  animation: confetti-fall 1.9s var(--confetti-delay) ease-in forwards;
}

.countdown-overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: grid;
  place-content: center;
  justify-items: center;
  background: rgba(3, 23, 83, .92);
  color: white;
  backdrop-filter: blur(7px);
}

.countdown-overlay::before,
.countdown-overlay::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 1px solid rgba(217, 244, 80, .25);
  border-radius: 50%;
  animation: countdown-ring 1s ease-out infinite;
}

.countdown-overlay::after { width: 350px; height: 350px; animation-delay: .35s; }
.countdown-overlay span { color: var(--duel-yellow); font: 800 11px ui-monospace, monospace; letter-spacing: 3px; }
.countdown-overlay strong { z-index: 1; margin-top: 10px; font: 800 112px/1 Georgia, serif; text-shadow: 0 9px 35px rgba(0, 0, 0, .28); }
.countdown-overlay small { z-index: 1; margin-top: 13px; color: rgba(255, 255, 255, .62); font-size: 10px; }

.small-modal { position: relative; width: min(430px, 100%); padding: 34px; }
.small-modal h2 { margin: 14px 0 24px; font: 500 31px/1.2 Georgia, "Songti SC", serif; }
.small-modal label + label { margin-top: 14px; }

@keyframes duel-live { 50% { opacity: .45; transform: scale(.82); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes cursor-blink { 50% { border-color: transparent; } }
@keyframes combo-punch { 50% { transform: scale(1.15) rotate(-2deg); } }
@keyframes mistake-shake { 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }
@keyframes winner-card { 50% { transform: translateY(-5px) scale(1.012); } }
@keyframes reaction-float {
  0% { opacity: 0; transform: translate(-50%, 0) scale(.7) rotate(-8deg); }
  14% { opacity: 1; }
  78% { opacity: 1; }
  100% { opacity: 0; transform: translate(calc(-50% + var(--reaction-drift, 0px)), -460px) scale(1.18) rotate(9deg); }
}
@keyframes confetti-fall { to { transform: translateY(110px) rotate(560deg); opacity: 0; } }
@keyframes countdown-ring { from { opacity: .7; transform: translate(-50%, -50%) scale(.6); } to { opacity: 0; transform: translate(-50%, -50%) scale(1.12); } }

@media (max-width: 1180px) {
  .lobby-stage { grid-template-columns: 1fr 1fr; }
  .lobby-copy { padding-left: 38px; }
  .lobby-preview { margin-right: 30px; }
  .room-layout { grid-template-columns: 1fr; }
  .room-sidebar { grid-template-columns: minmax(260px, 1.2fr) 1fr 1fr; }
  .owner-panel { grid-row: 1 / span 2; }
}

@media (max-width: 920px) {
  .typing-main { width: min(100% - 28px, 1380px); }
  .lobby-stage { grid-template-columns: 1fr; }
  .lobby-copy { padding: 38px 38px 16px; }
  .lobby-preview { width: calc(100% - 76px); margin: 24px 38px 38px; }
  .lobby-copy h1 br { display: none; }
  .room-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .room-top { grid-template-columns: 1fr auto; }
  .room-back { grid-column: 1 / -1; }
  .room-utilities { justify-content: flex-end; }
  .room-sidebar { grid-template-columns: 1fr 1fr; }
  .owner-panel { grid-row: auto; }
  .history-panel { grid-column: 1 / -1; }
}

@media (max-width: 700px) {
  .typing-main { width: min(100% - 16px, 1380px); padding-top: 18px; }
  .lobby-stage { min-height: 0; border-radius: 18px; }
  .lobby-copy { padding: 28px 23px 12px; }
  .lobby-copy .back-link { margin-bottom: 20px; }
  .lobby-copy h1 { margin-top: 16px; font-size: 43px; letter-spacing: -2px; }
  .lobby-copy > p { font-size: 13px; }
  .lobby-tags span:nth-child(2) { display: none; }
  .lobby-create { width: 100%; }
  .lobby-preview { width: calc(100% - 34px); margin: 20px 17px 20px; padding: 18px; }
  .preview-versus { grid-template-columns: 1fr 50px 1fr; margin: 23px 0; }
  .preview-player { grid-template-columns: 40px minmax(0, 1fr); gap: 0 8px; }
  .preview-player b { width: 40px; height: 40px; font-size: 14px; }
  .preview-player strong { font-size: 12px; }
  .preview-keys { display: none; }
  .lobby-heading { padding: 0 16px; }
  .lobby-summary { min-height: 68px; }
  .lobby-summary div { gap: 5px; flex-direction: column; }
  .lobby-summary strong { font-size: 18px; }
  .room-list { grid-template-columns: 1fr; padding: 13px; }
  .room-row { min-height: 168px; }
  .room-top { gap: 12px; padding: 14px; }
  .room-title-line { align-items: flex-start; flex-direction: column; gap: 6px; }
  .room-title-line h1 { max-width: 100%; font-size: 19px; }
  .room-utilities { align-items: flex-end; flex-direction: column; gap: 7px; }
  .sound-toggle b { display: none; }
  .duel-scoreboard { grid-template-columns: 1fr 70px 1fr; gap: 7px; padding: 16px 13px 9px; }
  .duelist { gap: 7px; }
  .duelist-avatar { width: 40px; height: 40px; border-width: 2px; font-size: 14px; }
  .duelist strong { font-size: 12px; }
  .versus-mark { font-size: 22px; }
  .match-center > b { font-size: 15px; }
  .race-board { padding: 17px 13px 20px; }
  .battle-grid { grid-template-columns: 1fr; padding: 0 10px 11px; }
  .player-screen { min-height: 0; padding: 13px; }
  .typing-copy { height: 210px; min-height: 210px; padding: 13px; font-size: 13px; line-height: 1.85; }
  .typing-dock { margin: 0 10px 10px; padding: 11px; }
  .typing-dock-label { align-items: flex-start; flex-direction: column; gap: 3px; }
  .waiting-note { margin: 0 10px 10px; }
  .reaction-dock { align-items: flex-start; flex-direction: column; padding: 13px; }
  .reaction-buttons { width: 100%; justify-content: space-between; gap: 4px; }
  .reaction-buttons button { width: calc((100vw - 75px) / 6); max-width: 45px; height: 38px; font-size: 17px; }
  .room-sidebar { grid-template-columns: 1fr; }
  .history-panel { grid-column: auto; }
  .arena-room-mark { display: none; }
  .result-stats { gap: 8px; flex-wrap: wrap; }
}

@media (max-width: 430px) {
  .duelist > div span { display: none!important; }
  .duelist-avatar { width: 34px; height: 34px; }
  .race-lane { grid-template-columns: 18px minmax(0, 1fr) 33px; gap: 6px; }
  .player-stats dd { font-size: 9px; }
  .combo-badge { min-width: 68px; font-size: 8px; }
  .small-modal { padding: 28px 21px; }
}

@media (prefers-reduced-motion: reduce) {
  .duel-live-badge i,
  .state-pill.running::before,
  .state-pill.countdown::before,
  .cursor-char,
  .countdown-overlay::before,
  .countdown-overlay::after,
  .player-screen,
  .combo-badge,
  .reaction-burst,
  .confetti,
  .loading-orb {
    animation: none!important;
    transition: none!important;
  }

  .reaction-burst { display: none; }
}