:root {
  --bg: #0d0518;
  --card: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.12);
  --txt: #f4ecff;
  --dim: #a493c4;
  --pink: #ff5fa2;
  --purple: #9a6bff;
  --cyan: #4fe3ff;
  --ok: #4ade80;
  --warn: #fbbf24;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

.bg-glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 40% at 20% 0%, rgba(154, 107, 255, 0.35), transparent 70%),
    radial-gradient(50% 40% at 90% 20%, rgba(255, 95, 162, 0.28), transparent 70%),
    radial-gradient(60% 50% at 50% 100%, rgba(79, 227, 255, 0.16), transparent 70%);
}

.page {
  min-height: 100vh;
  padding: 24px 18px 48px;
}

.hidden {
  display: none !important;
}

.wrap {
  max-width: 480px;
  margin: 0 auto;
}

/* ---------- 注册表格 ---------- */
.form-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}
.form-table td {
  padding: 6px 0;
  vertical-align: top;
}
.form-table td.lb {
  width: 108px;
  padding-right: 10px;
  padding-top: 14px;
  font-size: 13px;
  color: var(--dim);
  white-space: nowrap;
}
.form-table input,
.form-table select,
.form-table textarea {
  width: 100%;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  color: var(--txt);
  font-size: 16px;
  outline: none;
  font-family: inherit;
}
.form-table select {
  appearance: none;
  -webkit-appearance: none;
  /* 明显的下拉箭头：亮色描边的实心三角 + 右侧分隔区 */
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1.5 L7 7.5 L13 1.5' fill='none' stroke='%23ff5fa2' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E"),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.06));
  background-position: calc(100% - 14px) 50%, calc(100% - 34px) 50%;
  background-size: 14px 9px, 30px calc(100% - 8px);
  background-repeat: no-repeat;
  padding-right: 40px;
  cursor: pointer;
  font-weight: 600;
}
.form-table textarea {
  min-height: 82px;
  resize: vertical;
  line-height: 1.5;
}
.form-table input:focus,
.form-table select:focus,
.form-table textarea:focus {
  border-color: var(--purple);
}
/* 答完题后的自动进入下一轮提示 */
.auto-next {
  margin-top: 14px;
  text-align: center;
}
.auto-next p {
  color: var(--dim);
  font-size: 13px;
}
.auto-next .count {
  display: inline-block;
  min-width: 22px;
  font-size: 17px;
  font-weight: 700;
  color: var(--pink);
}

/* 未填写 / 不合规时标红 */
.bad,
.form-table input.bad,
.form-table select.bad,
.form-table textarea.bad {
  border-color: #ff5a5a !important;
  background: rgba(255, 90, 90, 0.12) !important;
  box-shadow: 0 0 0 2px rgba(255, 90, 90, 0.18);
}
.field input.bad {
  border-color: #ff5a5a !important;
  background: rgba(255, 90, 90, 0.12) !important;
}
.bad-lb {
  color: #ff8a8a !important;
}

.pw-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
}
.pw-rules li {
  font-size: 11px;
  color: var(--dim);
  padding-left: 15px;
  position: relative;
  line-height: 1.6;
}
.pw-rules li::before {
  content: '○';
  position: absolute;
  left: 0;
}
.pw-rules li.ok {
  color: var(--ok);
}
.pw-rules li.ok::before {
  content: '✓';
}

/* ---------- 品牌 ---------- */
.brand {
  text-align: center;
  margin: 32px 0 28px;
}
.logo {
  font-size: 46px;
}
.brand h1 {
  margin: 8px 0 6px;
  font-size: 26px;
  letter-spacing: 1px;
  background: linear-gradient(90deg, var(--pink), var(--purple), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub {
  margin: 0;
  color: var(--dim);
  font-size: 13px;
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  margin-top: 16px;
  backdrop-filter: blur(8px);
}
.card-title {
  margin: 0 0 4px;
  font-size: 17px;
}
.field {
  display: block;
  margin-bottom: 12px;
}
.field span {
  display: block;
  font-size: 12px;
  color: var(--dim);
  margin-bottom: 6px;
}
.field input,
.field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  color: var(--txt);
  font-size: 16px;
  outline: none;
}
.field input:focus {
  border-color: var(--purple);
}
.field textarea {
  min-height: 110px;
  resize: vertical;
  line-height: 1.5;
}

/* ---------- 按钮 ---------- */
.btn {
  width: 100%;
  padding: 13px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
}
.btn:active {
  transform: scale(0.98);
}
.btn.primary {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  box-shadow: 0 8px 24px rgba(154, 107, 255, 0.35);
}
.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--dim);
  margin-top: 10px;
}
.btn.tiny {
  width: auto;
  padding: 8px 14px;
  font-size: 13px;
  margin-top: 0;
  border-radius: 10px;
}
.btn.small {
  padding: 10px 14px;
  font-size: 14px;
}
.btn:disabled {
  opacity: 0.45;
}
.row {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}
.row .btn {
  margin-top: 0;
}

.menu {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}
.big-btn {
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: auto auto;
  gap: 2px 12px;
  text-align: left;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--txt);
  cursor: pointer;
  min-height: 82px; /* 没有小字的按钮也和另外两个一样高 */
  align-content: center;
}
.big-btn:active {
  transform: scale(0.98);
}
.big-btn .ico {
  grid-row: 1 / 3;
  font-size: 28px;
  align-self: center;
}
.big-btn .t {
  font-size: 17px;
  font-weight: 700;
}
.big-btn .d {
  font-size: 12px;
  color: var(--dim);
}
.big-btn.create {
  background: linear-gradient(135deg, rgba(255, 95, 162, 0.22), rgba(154, 107, 255, 0.18));
}
.big-btn.join {
  background: linear-gradient(135deg, rgba(79, 227, 255, 0.18), rgba(154, 107, 255, 0.14));
}
.big-btn.admin {
  background: rgba(255, 255, 255, 0.05);
}

.tip {
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--dim);
  min-height: 18px;
}
.tip.err {
  color: #ff8a8a;
}
.tip.ok {
  color: var(--ok);
}

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin: 8px 0 18px;
}
.hello {
  margin: 0;
  font-size: 16px;
}
.hello b {
  color: var(--pink);
}

/* ---------- 房间 ---------- */
.code-box {
  margin-top: 12px;
  font-size: 40px;
  font-weight: 800;
  letter-spacing: 8px;
  text-align: center;
  padding: 14px;
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed var(--line);
  color: var(--cyan);
}

.players {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 10px;
}
.player {
  text-align: center;
}
.avatar {
  font-size: 30px;
}
.pname {
  font-size: 13px;
  margin-top: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.player.me .pname {
  color: var(--cyan);
}
.player.win {
  box-shadow: 0 0 0 1px var(--pink) inset;
  border-radius: 12px;
}
.vs {
  font-size: 11px;
  color: var(--dim);
}

.stage {
  margin-top: 16px;
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  text-align: center;
}
.panel h3 {
  margin: 0 0 8px;
  font-size: 16px;
}
.panel p {
  margin: 6px 0;
  color: var(--dim);
  font-size: 13px;
}

.rps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.rps button {
  padding: 18px 0;
  font-size: 30px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
}
.rps button:active {
  transform: scale(0.96);
}
.rps button.on {
  border-color: var(--pink);
  border-width: 2px;
  background: linear-gradient(135deg, rgba(255, 95, 162, 0.32), rgba(154, 107, 255, 0.26));
  box-shadow: 0 0 0 3px rgba(255, 95, 162, 0.22), 0 6px 18px rgba(255, 95, 162, 0.28);
  transform: scale(1.04);
}
.rps button.on::after {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--pink);
  margin: 4px auto -4px;
}

.move-row {
  display: flex;
  justify-content: center;
  gap: 26px;
  margin-top: 10px;
  font-size: 34px;
}
.move-row .side {
  text-align: center;
}
.move-row .side span {
  display: block;
  font-size: 11px;
  color: var(--dim);
  margin-top: 4px;
}

.q-card {
  background: linear-gradient(135deg, rgba(255, 95, 162, 0.16), rgba(154, 107, 255, 0.14));
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px 18px;
  text-align: center;
}
.q-text {
  font-size: 19px;
  line-height: 1.6;
  font-weight: 600;
}
.answer-box {
  margin-top: 14px;
  text-align: left;
  padding: 14px;
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}

.spinner {
  width: 46px;
  height: 46px;
  margin: 6px auto 10px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.15);
  border-top-color: var(--pink);
  animation: spin 0.9s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.history {
  margin-top: 18px;
}
.htitle {
  font-size: 13px;
  color: var(--dim);
  margin: 0 0 8px;
}
.hitem {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  margin-bottom: 8px;
  font-size: 13px;
  line-height: 1.5;
}
.hitem .q {
  color: var(--txt);
}
.hitem .a {
  color: var(--dim);
  margin-top: 4px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------- 房间布局：主区 + 右侧常驻聊天 ---------- */
.room-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px;
  gap: 10px;
  align-items: start;
}
.topbar-ops {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  flex-shrink: 0;
}

.room-chat {
  position: sticky;
  top: 12px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 130px);
  min-height: 380px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  color: var(--dim);
}
.chat-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 10px 8px 6px;
}
.chat-empty {
  text-align: center;
  color: var(--dim);
  font-size: 11px;
  padding: 20px 4px;
  line-height: 1.7;
}
.msg {
  margin-bottom: 10px;
}
.msg.me {
  text-align: right;
}
.msg .who {
  font-size: 10px;
  color: var(--dim);
  margin-bottom: 3px;
}
.msg.me .who {
  display: none;
}
.bubble {
  display: inline-block;
  max-width: 88%;
  padding: 7px 9px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.5;
  text-align: left;
  white-space: pre-wrap;
  word-break: break-word;
}
.msg.you .bubble {
  background: rgba(255, 255, 255, 0.1);
  border-bottom-left-radius: 4px;
}
.msg.me .bubble {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  border-bottom-right-radius: 4px;
}
.msg .time {
  font-size: 10px;
  color: var(--dim);
  margin-top: 3px;
}
.chat-input {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  border-top: 1px solid var(--line);
  flex-shrink: 0;
}
.chat-input input {
  width: 100%;
  min-width: 0;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  color: var(--txt);
  font-size: 14px;
  outline: none;
}
.chat-input input:focus {
  border-color: var(--purple);
}
.chat-input button {
  padding: 7px 0;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.chat-input button:active {
  transform: scale(0.97);
}

/* 窄屏：聊天栏再收窄一点，保证主区还能玩 */
@media (max-width: 359px) {
  .room-layout {
    grid-template-columns: minmax(0, 1fr) 116px;
  }
}

/* 宽屏：聊天栏加宽 */
@media (min-width: 720px) {
  .room-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 18px;
  }
  .room-chat {
    height: calc(100vh - 120px);
    border-radius: 18px;
  }
  .chat-head {
    padding: 12px 14px;
    font-size: 14px;
  }
  .chat-body {
    padding: 12px 12px 6px;
  }
  .bubble {
    max-width: 78%;
    padding: 8px 12px;
    font-size: 14px;
    border-radius: 14px;
  }
  .msg .who {
    font-size: 11px;
  }
  .chat-input {
    flex-direction: row;
    align-items: center;
    padding: 10px;
  }
  .chat-input input {
    flex: 1;
    padding: 10px 12px;
    font-size: 15px;
  }
  .chat-input button {
    flex-shrink: 0;
    padding: 9px 16px;
    font-size: 14px;
  }
}
@media (min-width: 900px) {
  .wrap {
    max-width: 1000px;
  }
  .room-layout {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

/* 主区在窄屏下自适应 */
@media (max-width: 719px) {
  .players {
    padding: 10px 6px;
    gap: 4px;
  }
  .avatar {
    font-size: 24px;
  }
  .pname {
    font-size: 11px;
  }
  .vs {
    font-size: 10px;
  }
  .panel,
  .q-card {
    padding: 14px 12px;
  }
  .q-text {
    font-size: 16px;
  }
  .panel h3 {
    font-size: 14px;
  }
  .panel p {
    font-size: 12px;
  }
  .rps {
    gap: 6px;
  }
  .rps button {
    padding: 14px 0;
    font-size: 24px;
  }
}

/* ---------- 管理后台 ---------- */
.req {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  margin-bottom: 10px;
}
.req .u {
  font-size: 15px;
  font-weight: 700;
}
.req .m {
  font-size: 12px;
  color: var(--dim);
  margin-top: 2px;
}
/* 角色标签：L2管理 / L1管理 / 普通用户 / 已封禁 */
.role-tag {
  display: inline-block;
  margin-left: 5px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  vertical-align: middle;
  color: #fff;
  letter-spacing: 0.2px;
}
.role-tag.rl-l2 {
  background: linear-gradient(135deg, #ff9a3c, #ff5f6d);
}
.role-tag.rl-l1 {
  background: linear-gradient(135deg, #9a6bff, #5f8bff);
}
.role-tag.rl-user {
  background: rgba(255, 255, 255, 0.14);
  color: var(--dim);
  font-weight: 500;
}
.role-tag.rl-ban {
  background: #6b2b2b;
  color: #ff9a9a;
}
.side .role-tag,
.msg .who .role-tag {
  font-size: 9px;
  padding: 0 5px;
  margin-left: 3px;
}
.me-flag {
  display: inline-block;
  font-size: 10px;
  color: var(--cyan);
  margin-left: 4px;
}

/* 禁用的操作按钮 */
.btn.off {
  opacity: 0.35;
  cursor: not-allowed;
}
.req.banned {
  border-color: rgba(255, 90, 90, 0.28);
}
.ban-sub {
  font-size: 11px;
  font-weight: 400;
  color: var(--dim);
  margin-left: 4px;
}
.btn.tiny {
  padding: 7px 10px;
  font-size: 12px;
}

/* ---------- 自定义下拉（截图可见的选项卡） ---------- */
.dropdown {
  position: relative;
}
.dd-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.25);
  color: var(--txt);
  font-size: 16px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
}
.dd-btn .dd-arrow {
  font-size: 11px;
  color: var(--dim);
  transition: transform 0.18s ease;
}
.dropdown.open .dd-btn {
  border-color: var(--purple);
}
.dropdown.open .dd-btn .dd-arrow {
  transform: rotate(180deg);
}
.dd-list {
  display: none;
  list-style: none;
  margin: 6px 0 0;
  padding: 4px;
  position: absolute;
  left: 0;
  right: 0;
  z-index: 30;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #1d1030;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.dropdown.open .dd-list {
  display: block;
}
.dd-item {
  padding: 10px 12px;
  border-radius: 9px;
  font-size: 15px;
  color: var(--txt);
  cursor: pointer;
}
.dd-item:active {
  background: rgba(255, 255, 255, 0.08);
}
.dd-item.on {
  background: linear-gradient(135deg, var(--pink), var(--purple));
  color: #fff;
  font-weight: 600;
}
.dd-btn.bad,
.dropdown .dd-btn.bad {
  border-color: #ff5a5a !important;
  background: rgba(255, 90, 90, 0.12) !important;
  box-shadow: 0 0 0 2px rgba(255, 90, 90, 0.18);
}

.req .reason {
  font-size: 13px;
  color: var(--txt);
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.25);
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.req .ops {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
#user-list .req .ops .btn {
  flex: 1;
  min-width: 84px;
}
.req .ops .btn {
  margin-top: 0;
  padding: 9px 0;
  font-size: 14px;
}
.btn.ok {
  background: linear-gradient(135deg, #34d399, #10b981);
  color: #062;
}
.btn.no {
  background: rgba(255, 90, 90, 0.16);
  border: 1px solid rgba(255, 90, 90, 0.4);
  color: #ff9a9a;
}

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 10, 30, 0.95);
  border: 1px solid var(--line);
  color: var(--txt);
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 99;
  max-width: 86vw;
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}