/* ============================================================
   健身小程序 Demo — 微信小程序视觉模拟
   配色遵循微信原生规范：主色 #07C160，页面底 #F5F5F5，卡片纯白
   ============================================================ */

:root {
  --wx-green: #07c160;
  --wx-green-dark: #06ad56;
  --wx-green-light: #e8f9ef;
  --wx-red: #fa5151;
  --wx-orange: #fa9d3b;
  --wx-blue: #10aeff;
  --wx-purple: #8b5cf6;
  --wx-pink: #ff5c8a;

  --page-bg: #f2f2f2;
  --card: #ffffff;
  --text: #191919;
  --text-2: #576b95;
  --text-3: #888888;
  --text-4: #b2b2b2;
  --line: #e5e5e5;
  --line-soft: #f0f0f0;

  --nav-h: 44px;
  --status-h: 20px;
  --tabbar-h: 50px;
  --radius: 12rpx;
  --shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 8rpx 30rpx rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: #2b2f36;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px 16px;
  gap: 28px;
}

/* ---------------------------------------------------- 手机外框 */
.stage {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

.phone {
  width: 375px;
  height: 812px;
  background: #000;
  border-radius: 44px;
  padding: 10px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45), 0 0 0 2px #2a2a2a;
  position: relative;
  flex-shrink: 0;
}

.screen {
  width: 100%;
  height: 100%;
  background: var(--page-bg);
  border-radius: 34px;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* 状态栏 */
.statusbar {
  height: var(--status-h);
  flex-shrink: 0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 22px;
  font-size: 12px;
  font-weight: 600;
  color: #000;
  position: relative;
  z-index: 30;
}

.statusbar.on-dark {
  background: transparent;
  color: #fff;
}

.sb-right {
  display: flex;
  align-items: center;
  gap: 5px;
}

.sb-icon {
  display: block;
}

/* 刘海 */
.notch {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 26px;
  background: #000;
  border-radius: 0 0 18px 18px;
  z-index: 40;
  pointer-events: none;
}

/* ---------------------------------------------------- 导航栏 */
.navbar {
  height: var(--nav-h);
  flex-shrink: 0;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 20;
  border-bottom: 1rpx solid var(--line-soft);
}

.navbar.transparent {
  background: transparent;
  border-bottom: none;
}

.nav-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-title.on-dark {
  color: #fff;
}

.nav-back {
  position: absolute;
  left: 12px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 2;
}

.nav-back svg {
  width: 20px;
  height: 20px;
  stroke: #000;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-back.on-dark svg {
  stroke: #fff;
}

/* 右上角胶囊按钮 */
.capsule {
  position: absolute;
  right: 7px;
  top: 50%;
  transform: translateY(-50%);
  width: 87px;
  height: 32px;
  border: 0.5px solid rgba(0, 0, 0, 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 25;
}

.capsule.on-dark {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.25);
}

.cap-dots {
  display: flex;
  gap: 3px;
}

.cap-dots i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: #191919;
  display: block;
}

.capsule.on-dark .cap-dots i {
  background: #fff;
}

.cap-divider {
  width: 0.5px;
  height: 18px;
  background: rgba(0, 0, 0, 0.12);
}

.capsule.on-dark .cap-divider {
  background: rgba(255, 255, 255, 0.35);
}

.cap-target {
  width: 13px;
  height: 13px;
  border: 1.4px solid #191919;
  border-radius: 50%;
  position: relative;
}

.cap-target::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: #191919;
}

.capsule.on-dark .cap-target {
  border-color: #fff;
}

.capsule.on-dark .cap-target::after {
  background: #fff;
}

/* home indicator */
.home-bar {
  position: absolute;
  bottom: 7px;
  left: 50%;
  transform: translateX(-50%);
  width: 134px;
  height: 5px;
  background: #000;
  border-radius: 3px;
  opacity: 0.85;
  z-index: 40;
  pointer-events: none;
}

/* ---------------------------------------------------- 页面容器 */
.pages {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.page {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  background: var(--page-bg);
  display: none;
}

.page.active {
  display: block;
}

.page.from-right {
  animation: slideIn 0.28s cubic-bezier(0.25, 0.8, 0.4, 1);
  z-index: 5;
}

.page.to-left {
  animation: slideOut 0.28s cubic-bezier(0.25, 0.8, 0.4, 1) forwards;
  z-index: 4;
}

@keyframes slideIn {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes slideOut {
  from { transform: translateX(0); }
  to { transform: translateX(-28%); }
}

.page::-webkit-scrollbar {
  width: 0;
  display: none;
}

.page-body {
  padding-bottom: 24px;
}

/* ---------------------------------------------------- TabBar */
.tabbar {
  height: var(--tabbar-h);
  flex-shrink: 0;
  background: #fafafa;
  border-top: 0.5px solid #dcdcdc;
  display: flex;
  align-items: center;
  z-index: 20;
  position: relative;
}

.tabbar.hide {
  display: none;
}

.tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  height: 100%;
}

.tab svg {
  width: 24px;
  height: 24px;
  stroke: #7a7a7a;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: stroke 0.15s;
}

.tab span {
  font-size: 10px;
  color: #7a7a7a;
  transition: color 0.15s;
}

.tab.active svg {
  stroke: var(--wx-green);
}

.tab.active span {
  color: var(--wx-green);
}

.tab-dot {
  position: absolute;
  top: 4px;
  right: 50%;
  margin-right: -16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--wx-red);
  border: 1.5px solid #fafafa;
}

/* ---------------------------------------------------- 通用组件 */
.card {
  background: var(--card);
  border-radius: 10px;
  margin: 12px 12px 0;
  overflow: hidden;
}

.card-pad {
  padding: 14px;
}

.section-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 18px 14px 0;
}

.section-title .more {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: 2px;
  cursor: pointer;
}

.divider {
  height: 0.5px;
  background: var(--line-soft);
  margin: 0 14px;
}

.tag {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  line-height: 1.5;
  background: #f2f3f5;
  color: var(--text-3);
  white-space: nowrap;
}

.tag.green { background: var(--wx-green-light); color: var(--wx-green-dark); }
.tag.blue { background: #e8f4ff; color: #0a7ec4; }
.tag.orange { background: #fff3e6; color: #d97706; }
.tag.red { background: #ffecec; color: var(--wx-red); }
.tag.purple { background: #f3edff; color: #7c3aed; }

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: 44px;
  border-radius: 8px;
  border: none;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  background: var(--wx-green);
  color: #fff;
  transition: opacity 0.15s, transform 0.1s;
}

.btn:active {
  opacity: 0.85;
  transform: scale(0.985);
}

.btn.block {
  width: 100%;
}

.btn.ghost {
  background: #fff;
  color: var(--wx-green);
  border: 1px solid var(--wx-green);
}

.btn.gray {
  background: #f2f3f5;
  color: var(--text-2);
}

.btn.sm {
  height: 32px;
  font-size: 13px;
  padding: 0 14px;
  border-radius: 6px;
}

.empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-4);
  font-size: 13px;
}

.empty svg {
  width: 56px;
  height: 56px;
  margin-bottom: 12px;
  stroke: #dcdcdc;
  fill: none;
  stroke-width: 1.5;
}

/* toast */
.toast {
  position: absolute;
  left: 50%;
  top: 45%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.78);
  color: #fff;
  font-size: 14px;
  padding: 11px 18px;
  border-radius: 8px;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s;
  max-width: 70%;
  text-align: center;
  line-height: 1.5;
}

.toast.show {
  opacity: 1;
}

/* ============================================================
   侧边说明面板（桌面端）
   ============================================================ */
.side {
  width: 300px;
  color: #d8dde3;
  font-size: 13px;
  line-height: 1.75;
  align-self: center;
}

.side h1 {
  font-size: 21px;
  color: #fff;
  margin-bottom: 4px;
  font-weight: 600;
}

.side .sub {
  color: #8a93a0;
  font-size: 12px;
  margin-bottom: 20px;
}

.side h2 {
  font-size: 12px;
  color: #6f7885;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin: 22px 0 9px;
  font-weight: 600;
}

.side ul {
  list-style: none;
}

.side li {
  padding-left: 15px;
  position: relative;
  margin-bottom: 5px;
}

.side li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--wx-green);
}

.side kbd {
  background: #3a4048;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 11px;
  color: #cfd6de;
  font-family: inherit;
}

.src-note {
  margin-top: 24px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  font-size: 11px;
  color: #7d8794;
  line-height: 1.7;
}

.src-note a {
  color: #6ee7a8;
  text-decoration: none;
}

@media (max-width: 780px) {
  body { padding: 0; align-items: flex-start; }
  .side { display: none; }
  .phone { width: 100vw; height: 100vh; border-radius: 0; padding: 0; box-shadow: none; }
  .screen { border-radius: 0; }
  .notch, .home-bar { display: none; }
}