:root {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.5;
  font-weight: 400;
  color: #f7f0dc;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: radial-gradient(circle at 12% 12%, #254935 0%, #11251c 45%, #0a1411 100%);
}

#app {
  min-height: 100vh;
}

h1,
h2,
p {
  margin: 0;
}

.app-shell {
  min-height: 100vh;
}

.auth-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px;
}

.auth-card {
  width: min(440px, 100%);
  padding: 28px 24px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(8, 27, 20, 0.82);
  backdrop-filter: blur(8px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}

.auth-card h1 {
  font-size: 30px;
  text-align: center;
}

.sub-title {
  margin-top: 8px;
  color: #c0ddce;
  font-size: 14px;
}

.auth-card .sub-title {
  margin-bottom: 18px;
  text-align: center;
}

.mode-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
}

.tab-btn,
button,
input,
select {
  font: inherit;
}

.tab-btn {
  flex: 1;
  height: 40px;
  border: 1px solid #568e73;
  border-radius: 10px;
  color: #d9eddf;
  background: transparent;
  cursor: pointer;
}

.tab-btn.active {
  border-color: #d9be73;
  background: #61491c;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.field input,
.field select,
.join-line input {
  height: 42px;
  padding: 0 12px;
  border: 1px solid rgba(208, 229, 218, 0.45);
  border-radius: 8px;
  color: #ebfff3;
  background: rgba(0, 0, 0, 0.22);
}

.field input::placeholder,
.join-line input::placeholder {
  color: #9cbba9;
}

.primary-btn,
.ghost-btn,
.danger-btn {
  height: 42px;
  border: 0;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

.primary-btn {
  padding: 0 16px;
  color: #1d311f;
  background: linear-gradient(135deg, #f8df9e, #e9c76c);
}

.ghost-btn {
  padding: 0 14px;
  color: #daf3e5;
  border: 1px solid rgba(156, 196, 176, 0.45);
  background: transparent;
}

.danger-btn {
  padding: 0 14px;
  color: #fff1f1;
  background: rgba(156, 44, 44, 0.8);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.hall-page {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: min(1200px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.hall-wood-bg {
  position: relative;
}

.hall-wood-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 14px;
  background:
    linear-gradient(25deg, rgba(138, 99, 57, 0.24), rgba(76, 52, 31, 0.22)),
    repeating-linear-gradient(
      -8deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 2px,
      rgba(0, 0, 0, 0.03) 2px,
      rgba(0, 0, 0, 0.03) 6px
    );
}

.hall-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: linear-gradient(130deg, rgba(22, 57, 43, 0.9), rgba(10, 30, 22, 0.92));
}

.hall-topbar {
  min-height: 88px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hall-logo {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  background: #1e6b4c;
  color: #f7f0dc;
  font-size: 24px;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(5, 17, 12, 0.4);
}

.hall-header h1 {
  font-size: 24px;
}

.header-actions {
  display: flex;
  gap: 10px;
}

.user-chip {
  min-width: 180px;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(2, 20, 12, 0.36);
}

.user-chip p {
  font-size: 12px;
  color: #acd3be;
}

.user-chip strong {
  display: inline-block;
  margin-top: 4px;
  font-size: 16px;
}

.user-chip small {
  display: block;
  margin-top: 4px;
  color: #c7e5d5;
  font-size: 12px;
}

.text-btn {
  margin-left: 6px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #f6de9d;
  font-size: 12px;
  cursor: pointer;
}

.hall-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.hall-grid-8-4 {
  grid-template-columns: 8fr 4fr;
}

.panel {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 30, 22, 0.85);
}

.panel h2 {
  margin-bottom: 12px;
  font-size: 20px;
}

.create-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.join-line {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.room-panel {
  min-height: 340px;
}

.room-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.room-panel-header p {
  color: #b5d8c4;
  font-size: 13px;
}

.icon-btn {
  width: 34px;
  height: 34px;
  border: 1px solid rgba(176, 216, 194, 0.35);
  border-radius: 8px;
  color: #d3efdf;
  background: rgba(17, 56, 40, 0.65);
  cursor: pointer;
}

.room-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.room-card {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(158, 198, 178, 0.28);
  background: rgba(12, 45, 32, 0.65);
  box-shadow: 0 10px 18px rgba(0, 0, 0, 0.2);
}

.room-name {
  font-size: 17px;
  font-weight: 700;
}

.room-tags {
  margin-top: 4px;
  display: flex;
  gap: 8px;
  color: #c4e4d3;
  font-size: 13px;
}

.room-tags span {
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.room-tags .owner-tag {
  color: #f7e4b0;
  border-color: rgba(247, 228, 176, 0.45);
  background: rgba(30, 107, 76, 0.38);
}

.room-id {
  margin-top: 4px;
  font-size: 12px;
  color: #8db59f;
  word-break: break-all;
}

.room-actions-footer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 14px;
}

.wide-btn {
  width: 100%;
}

.side-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.side-panel h3 {
  margin: 8px 0 2px;
  font-size: 16px;
}

.hint-text {
  font-size: 14px;
  color: #c8e5d6;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 180px;
  color: #b5cfbf;
  border-radius: 10px;
  border: 1px dashed rgba(181, 207, 191, 0.45);
}

.table-panel {
  padding: 18px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 30, 22, 0.85);
}

.game-page {
  width: 100%;
  max-width: none;
  min-height: 100vh;
  margin: 0;
  padding-top: max(12px, env(safe-area-inset-top));
  padding-right: max(12px, env(safe-area-inset-right));
  padding-bottom: max(12px, env(safe-area-inset-bottom));
  padding-left: max(12px, env(safe-area-inset-left));
}

.game-header {
  flex: 0 0 auto;
}

.game-table-panel {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.room-brief {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid rgba(194, 226, 208, 0.2);
  background: rgba(7, 28, 20, 0.55);
}

.room-brief-title {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 6px;
  color: #f7e4b0;
  background: rgba(30, 107, 76, 0.42);
  font-size: 12px;
  font-weight: 700;
}

.room-brief-item {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #cee5d8;
}

.room-brief-item em {
  font-style: normal;
  opacity: 0.85;
}

.room-brief-item strong {
  font-size: 13px;
  color: #f4f0dc;
  font-weight: 600;
}

.room-brief-id {
  flex: 1 1 auto;
}

.room-brief-id strong {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.table-tip {
  margin-top: 4px;
  color: #c1dfcf;
  font-size: 14px;
}

.mahjong-table {
  position: relative;
  margin-top: 14px;
  height: 360px;
  border-radius: 16px;
  border: 2px solid rgba(233, 199, 108, 0.45);
  background: radial-gradient(circle at 35% 25%, #2f6d4f, #184332 58%, #113628 100%);
  overflow: hidden;
}

.game-mahjong-table {
  flex: 1 1 auto;
  min-height: 520px;
  height: auto;
}

.mahjong-table.active {
  box-shadow: inset 0 0 0 2px rgba(250, 224, 149, 0.38);
}

.seat {
  position: absolute;
  min-width: 78px;
  padding: 8px 10px;
  text-align: center;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(11, 27, 20, 0.68);
}

.seat strong {
  font-size: 13px;
  font-weight: 700;
  color: #f4f0dc;
}

.seat small {
  font-size: 11px;
  color: #cbe4d6;
}

.seat.occupied {
  border-color: rgba(244, 222, 163, 0.45);
}

.seat.seat-me {
  border-color: rgba(244, 222, 163, 0.9);
  box-shadow: 0 0 0 1px rgba(244, 222, 163, 0.4);
}

.seat.seat-turn {
  background: rgba(36, 86, 64, 0.88);
}

.turn-indicator {
  display: inline-block;
  margin-top: 2px;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 10px;
  color: #1c2d23;
  background: #f4d685;
}

.seat-top {
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
}

.seat-right {
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.seat-bottom {
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
}

.seat-left {
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.table-center {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: min(300px, 80%);
  padding: 14px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid rgba(245, 224, 166, 0.55);
  background: rgba(29, 62, 46, 0.82);
}

.table-center p:last-child {
  margin-top: 6px;
  color: #f8de9d;
  font-size: 13px;
  word-break: break-all;
}

.ws-panel {
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(176, 216, 194, 0.22);
  background: rgba(5, 24, 17, 0.58);
}

.ws-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.ws-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ws-state {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.ws-state.is-connected {
  color: #d6ffdf;
  background: rgba(35, 121, 68, 0.45);
}

.ws-state.is-connecting {
  color: #fff0c2;
  background: rgba(128, 99, 40, 0.45);
}

.ws-state.is-disconnected {
  color: #ffd3d3;
  background: rgba(124, 45, 45, 0.45);
}

.ws-reconnect {
  height: 30px;
}

.ws-log {
  margin-top: 8px;
  max-height: 140px;
  overflow: auto;
  padding: 8px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.28);
}

.ws-line {
  font-size: 12px;
  color: #cfe7da;
  line-height: 1.4;
}

.ws-line + .ws-line {
  margin-top: 6px;
}

.ws-empty {
  font-size: 12px;
  color: #a9c4b5;
}

.message {
  margin-top: 12px;
  font-size: 14px;
}

.message.error {
  color: #ffbcbc;
}

.message.success {
  color: #caf3d6;
}

.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(4, 14, 10, 0.72);
  backdrop-filter: blur(2px);
}

.modal-card {
  width: min(600px, 100%);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: linear-gradient(145deg, rgba(16, 46, 34, 0.96), rgba(7, 24, 17, 0.98));
  box-shadow: 0 20px 42px rgba(0, 0, 0, 0.5);
  padding: 20px;
}

.modal-600 {
  max-width: 600px;
}

.modal-card h2 {
  margin-bottom: 14px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

.radio-group {
  border: 1px solid rgba(190, 222, 204, 0.25);
  border-radius: 8px;
  margin: 0;
  padding: 12px;
}

.radio-group legend {
  padding: 0 4px;
  color: #cfe8da;
}

.radio-group label {
  margin-right: 16px;
}

.copy-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(190, 222, 204, 0.2);
  background: rgba(3, 23, 15, 0.35);
  margin-bottom: 10px;
}

.copy-line span {
  font-size: 13px;
  color: #cfe8da;
  word-break: break-all;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 20;
  max-width: min(560px, calc(100% - 32px));
  margin: 0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
}

.toast.error {
  color: #ffd7d7;
  background: rgba(128, 38, 38, 0.9);
}

.toast.success {
  color: #d8ffe3;
  background: rgba(28, 95, 52, 0.9);
}

@media (max-width: 980px) {
  .hall-grid {
    grid-template-columns: 1fr;
  }

  .room-actions-footer {
    grid-template-columns: 1fr;
  }

  .hall-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hall-page,
  .auth-page {
    padding: 14px;
  }

  .mahjong-table {
    height: 300px;
  }

  .game-page {
    padding-top: max(8px, env(safe-area-inset-top));
    padding-right: max(8px, env(safe-area-inset-right));
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    padding-left: max(8px, env(safe-area-inset-left));
  }

  .game-mahjong-table {
    min-height: 360px;
  }

  .seat {
    min-width: 62px;
    padding: 6px 8px;
    font-size: 12px;
  }

  .join-line {
    grid-template-columns: 1fr;
  }

  .room-brief {
    flex-wrap: wrap;
    gap: 8px;
  }

  .room-brief-id {
    flex-basis: 100%;
  }
}