/* ============================================================
   看图猜成语 — 样式（Chrome 61 基线，学科·暖橙 #ff7a59）
   约束：无 flex gap / aspect-ratio / clamp() / inset / 逻辑属性 / :has / dvh
   选项 2 列：float + width 50%（同反义词配对词卡）
   ============================================================ */
html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #fff5ef;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  user-select: none;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: #2a3a4a;
  height: var(--app-height, 100vh);
  overflow: hidden;
}

#app-main {
  height: calc(100% - 118px);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.view {
  max-width: 480px;
  margin: 0 auto;
  padding: 12px 16px 24px;
  min-height: 100%;
}

/* ---------- 头部 ---------- */
.app-header {
  background: #ffffff;
  box-shadow: 0 2px 8px rgba(255, 122, 89, 0.16);
  position: relative;
  z-index: 5;
}

.header-brand {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  max-width: 480px;
  margin: 0 auto;
  padding: 10px 16px;
}

.header-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  margin-right: 10px;
}

.header-title {
  font-size: 18px;
  font-weight: 700;
  color: #2a3a4a;
}

.header-ver {
  margin-left: 8px;
  font-size: 12px;
  color: #c25e3c;
  background: #fff0e8;
  padding: 2px 6px;
  border-radius: 8px;
}

/* ---------- 通用按钮 ---------- */
button {
  font-family: inherit;
  border: none;
  background: none;
  padding: 0;
  cursor: pointer;
  min-height: 48px;
  min-width: 48px;
  -webkit-tap-highlight-color: transparent;
}

.btn-checkin {
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 14px auto 0;
  padding: 12px 16px;
  background: #ff7a59;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(255, 122, 89, 0.28);
}

.btn-checkin:active {
  background: #f06a48;
  -webkit-transform: scale(0.98);
  transform: scale(0.98);
}

.btn-ghost-sm {
  padding: 8px 14px;
  font-size: 13px;
  color: #ff7a59;
  background: #fff0e8;
  border-radius: 10px;
}

.btn-ghost-sm:active {
  background: #ffe4d8;
}

/* ---------- 首页：年级段卡片 ---------- */
.page-title {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  margin: 22px 0 8px;
}

.home-hint {
  text-align: center;
  color: #7a8ea3;
  font-size: 14px;
  margin-bottom: 18px;
}

.band-list {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-direction: column;
  flex-direction: column;
}

.band-card {
  background: #fff;
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(255, 122, 89, 0.1);
}

.band-card:active {
  background: #fffaf6;
}

.band-head {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
}

.band-name {
  font-size: 16px;
  font-weight: 700;
  color: #2a3a4a;
}

.band-pool {
  font-size: 12px;
  color: #ff7a59;
  background: #fff0e8;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

.band-best {
  font-size: 12px;
  color: #7a8ea3;
  margin-top: 4px;
}

.band-btns {
  display: -webkit-flex;
  display: flex;
  margin-top: 10px;
}

.btn-play,
.btn-challenge {
  -webkit-flex: 1;
  flex: 1;
  min-width: 0;
  padding: 10px 8px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  margin-right: 10px;
}

.btn-play {
  background: #fff0e8;
  color: #ff7a59;
}

.btn-challenge {
  background: #ff7a59;
  color: #fff;
  box-shadow: 0 4px 10px rgba(255, 122, 89, 0.3);
  margin-right: 0;
}

.btn-play:active { background: #ffe4d8; }
.btn-challenge:active { background: #f06a48; }

/* 首页小贴士 */
.home-tip {
  background: #fff;
  border-radius: 14px;
  padding: 12px 16px;
  margin-top: 4px;
  box-shadow: 0 2px 8px rgba(255, 122, 89, 0.08);
}

.tip-title {
  font-size: 13px;
  font-weight: 700;
  color: #ff7a59;
  margin-bottom: 6px;
}

.tip-line {
  font-size: 12px;
  color: #7a8ea3;
  line-height: 1.7;
}

/* ---------- 对局页 ---------- */
.topbar {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  margin-bottom: 8px;
}

.level-title {
  font-size: 16px;
  font-weight: 700;
  color: #2a3a4a;
}

.top-timer {
  font-size: 14px;
  color: #e76f51;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.info-line {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  margin: 4px 0 8px;
}

.pc-round {
  font-size: 15px;
  font-weight: 700;
  color: #ff7a59;
}

.combo-line {
  font-size: 15px;
  font-weight: 700;
  color: #f5a623;
}

/* 题目区 */
.puzzle {
  background: #fff;
  border-radius: 16px;
  padding: 20px 16px 16px;
  box-shadow: 0 2px 8px rgba(255, 122, 89, 0.1);
  text-align: center;
  margin-bottom: 14px;
}

.pz-emoji {
  font-size: 64px;
  line-height: 1.35;
  word-break: break-all;
  color: #2a3a4a;
}

.pz-blanks {
  margin-top: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #b9c3cf;
  letter-spacing: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-hint {
  margin-top: 12px;
  padding: 8px 18px;
  font-size: 13px;
  color: #7a8ea3;
  background: #f2f4f7;
  border-radius: 20px;
}

.btn-hint:active { background: #e6e9ee; }

/* 4 选项（2 列：float + width 50%） */
.options {
  width: 100%;
}

.options:after {
  content: '';
  display: block;
  clear: both;
}

.opt-btn {
  float: left;
  width: 50%;
  padding: 6px;
  min-height: 60px;
  display: block;
  background: #fff;
  border: 3px solid transparent;
  border-radius: 14px;
  font-size: 20px;
  font-weight: 700;
  color: #2a3a4a;
  letter-spacing: 2px;
  box-shadow: 0 2px 6px rgba(255, 122, 89, 0.08);
}

.opt-btn:active {
  background: #fffaf6;
  -webkit-transform: scale(0.98);
  transform: scale(0.98);
}

.opt-btn.correct {
  border-color: #1f9d80;
  background: #e6f7ee;
  color: #1f9d80;
}

.opt-btn.wrong {
  border-color: #ff6b6b;
  background: #ffe9e6;
  color: #e04747;
}

/* ---------- 页脚 ---------- */
.app-footer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: #ffffff;
  box-shadow: 0 -2px 8px rgba(255, 122, 89, 0.1);
  padding: 8px 16px calc(8px + env(safe-area-inset-bottom));
}

.game-footer {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  max-width: 480px;
  margin: 0 auto;
}

.game-hint {
  font-size: 13px;
  color: #b9a39a;
}

/* ---------- 结算浮层 ---------- */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(90, 40, 20, 0.55);
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  z-index: 50;
  padding: 24px;
}

.overlay-top {
  z-index: 60;
}

.overlay-card {
  background: #fff;
  border-radius: 18px;
  padding: 24px 22px 20px;
  width: 100%;
  max-width: 340px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(90, 40, 20, 0.25);
  -webkit-animation: popCard 0.3s ease-out;
  animation: popCard 0.3s ease-out;
}

@-webkit-keyframes popCard {
  0% { -webkit-transform: scale(0.85); transform: scale(0.85); opacity: 0; }
  100% { -webkit-transform: scale(1); transform: scale(1); opacity: 1; }
}

@keyframes popCard {
  0% { -webkit-transform: scale(0.85); transform: scale(0.85); opacity: 0; }
  100% { -webkit-transform: scale(1); transform: scale(1); opacity: 1; }
}

.overlay-title {
  font-size: 22px;
  font-weight: 700;
  color: #2a3a4a;
  margin-bottom: 6px;
}

.overlay-sub {
  font-size: 14px;
  color: #7a8ea3;
  margin-bottom: 10px;
}

.summary {
  margin-bottom: 14px;
}

.stars-line {
  font-size: 36px;
  line-height: 1.2;
  color: #f5a623;
  letter-spacing: 4px;
}

.record-badge {
  display: inline-block;
  margin-top: 8px;
  background: #fff0e8;
  color: #ff7a59;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

.checkin-line {
  margin-top: 8px;
  font-size: 13px;
  color: #1f9d80;
  font-weight: 600;
}

.combo-note {
  margin-top: 6px;
  font-size: 13px;
  color: #f5a623;
  font-weight: 600;
}

.overlay-btns {
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  -webkit-justify-content: center;
  justify-content: center;
}

.overlay-btns .btn-main {
  background: #ff7a59;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: 12px;
  margin: 6px 5px;
  box-shadow: 0 4px 12px rgba(255, 122, 89, 0.3);
}

.overlay-btns .btn-ghost {
  background: #fff0e8;
  color: #ff7a59;
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 12px;
  margin: 6px 5px;
}

/* 看答案：拼音/释义/例句/年级 */
.ans-pinyin {
  font-size: 15px;
  color: #7a8ea3;
  margin-top: 4px;
}

.ans-desc {
  margin-top: 10px;
  font-size: 15px;
  color: #2a3a4a;
  line-height: 1.6;
}

.ans-sent {
  margin-top: 8px;
  font-size: 13px;
  color: #7a8ea3;
  line-height: 1.5;
}

.ans-grade {
  display: inline-block;
  margin-top: 10px;
  background: #fff0e8;
  color: #ff7a59;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
}

/* ---------- 分享 ---------- */
.share-card {
  max-width: 380px;
}

.share-img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  border-radius: 10px;
  margin: 8px 0;
  background: #f7f8fa;
}

.share-text {
  width: 100%;
  min-height: 72px;
  padding: 10px;
  font-size: 13px;
  color: #2a3a4a;
  border: 1px solid #eee;
  border-radius: 10px;
  background: #fafafa;
  resize: none;
  box-sizing: border-box;
}

.share-feedback {
  min-height: 20px;
  font-size: 12px;
  color: #7a8ea3;
  margin: 4px 0;
}

.share-feedback.ok { color: #1f9d80; }
.share-feedback.bad { color: #e04747; }

.share-copy {
  width: 100%;
  margin: 6px 0 4px;
}

/* ---------- 打卡日历 ---------- */
.calendar {
  background: #ffffff;
  border-radius: 14px;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(255, 122, 89, 0.12);
}

.calendar-grid {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  margin-top: 8px;
}

.calendar-grid > * {
  width: 14.28%;
  padding: 4px;
}

.cal-day {
  padding: 8px 0;
  text-align: center;
  font-size: 13px;
  border-radius: 6px;
  color: #7a8ea3;
  background: #fff5ef;
}

.cal-day.done {
  background: #ff9c1a;
  color: #ffffff;
  font-weight: 700;
}

.cal-day.today {
  outline: 2px solid #ff7a59;
}

.streak-info {
  text-align: center;
  margin-top: 10px;
  font-size: 14px;
  color: #2a3a4a;
}

.streak-info b {
  color: #ff9c1a;
}