:root {
  color-scheme: light;
  --red: #ff2442;
  --ink: #222;
  --muted: #8b8b8b;
  --line: #f1f1f1;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 20px 10px;
  background: #f3f3f3;
  color: var(--ink);
  overflow-y: auto;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.phone {
  position: relative;
  width: 393px;
  height: 852px;
  overflow: hidden;
  border: 1px solid #e8e8e8;
  border-radius: 24px;
  background: white;
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.12);
}

.status {
  height: 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 18px 0;
  background: white;
  font-size: 12px;
  font-weight: 700;
}

.page {
  height: calc(100% - 26px - 64px);
  overflow-y: auto;
  background: white;
  scrollbar-width: none;
}

.page::-webkit-scrollbar,
.ai-entry-row::-webkit-scrollbar,
.guess-list::-webkit-scrollbar {
  display: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  height: 50px;
  display: grid;
  grid-template-columns: 34px 1fr auto;
  gap: 9px;
  align-items: center;
  padding: 0 12px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.icon-btn,
.share-btn {
  border: 0;
  background: none;
}

.icon-btn {
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 28px;
  line-height: 1;
}

.top-author {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.avatar,
.comment-avatar,
.mini-avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 800;
}

.avatar {
  width: 32px;
  height: 32px;
  color: white;
  font-size: 13px;
}

.avatar-red {
  background: linear-gradient(135deg, #ff6475, #f0a23d);
}

.top-author strong,
.top-author small {
  display: block;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.top-author strong {
  font-size: 14px;
}

.top-author small {
  color: #999;
  font-size: 11px;
}

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

.follow-btn {
  border: 0;
  border-radius: 999px;
  padding: 6px 13px;
  background: var(--red);
  color: white;
  font-size: 13px;
  font-weight: 800;
}

.share-btn {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: transparent;
  color: #333;
}

.share-btn svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.image-wrap {
  position: relative;
  width: 100%;
  height: 430px;
  overflow: hidden;
  background: #eee;
}

.note-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 12px;
  display: flex;
  justify-content: center;
  gap: 5px;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
}

.dot.active {
  width: 16px;
  background: white;
}

.content {
  padding: 14px 16px 18px;
}

h1 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.45;
  letter-spacing: 0;
}

.desc {
  margin: 0 0 10px;
  color: #333;
  font-size: 14px;
  line-height: 1.72;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 12px 0;
}

.tags span {
  border-radius: 8px;
  padding: 4px 8px;
  background: #f5f7fb;
  color: #576b95;
  font-size: 13px;
}

.note-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  border-bottom: 1px solid #f1f1f1;
  padding-bottom: 14px;
}

.meta {
  color: #999;
  font-size: 14px;
  font-weight: 500;
}

.dislike-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex: 0 0 auto;
  border: 0;
  padding: 0;
  background: transparent;
  color: #333;
  font-size: 13px;
  font-weight: 600;
}

.dislike-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.comment-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  margin: 0 0 12px;
}

.comment-title {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: 5px;
}

.comment-head strong {
  color: #333;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.15;
}

.sort-btn {
  display: inline-grid;
  gap: 3px;
  flex: 0 0 auto;
  width: 22px;
  border: 0;
  padding: 2px 0 0;
  background: transparent;
}

.sort-btn span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: #333;
}

.sort-btn span:nth-child(1) {
  width: 18px;
}

.sort-btn span:nth-child(2) {
  width: 14px;
}

.sort-btn span:nth-child(3) {
  width: 9px;
}

.ai-head-btn {
  border: 0;
  border-radius: 999px;
  padding: 5px 8px;
  background: linear-gradient(135deg, #ff2442, #ff7a45);
  color: white;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
  box-shadow: none;
}

.ai-entry-row {
  position: sticky;
  top: 50px;
  z-index: 4;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 10px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  scrollbar-width: none;
}

.hidden {
  display: none !important;
}

.ai-option {
  flex: 0 0 auto;
  border: 1px solid #eee;
  border-radius: 999px;
  padding: 8px 12px;
  background: white;
  color: #333;
  font-size: 13px;
  font-weight: 800;
}

.ai-option.ai-main {
  border-color: transparent;
  background: linear-gradient(135deg, #ff2442, #ff7a45);
  color: white;
  box-shadow: 0 4px 12px rgba(255, 36, 66, 0.22);
}

.ai-option.active {
  border-color: #111;
  background: #111;
  color: white;
}

.ai-panel {
  display: none;
  margin-bottom: 16px;
}

.ai-panel.show {
  display: block;
}

.category-card {
  margin-bottom: 12px;
  border: 1px solid #f0f0f0;
  border-radius: 18px;
  padding: 13px;
  background: white;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.035);
}

.category-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.category-head strong {
  font-size: 15px;
}

.category-head em {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 4px 8px;
  background: #fff0f2;
  color: var(--red);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
}

.category-summary {
  margin: 0 0 9px;
  color: #555;
  font-size: 12px;
  line-height: 1.55;
}

.ai-comment {
  display: flex;
  gap: 8px;
  margin-top: 7px;
  border-radius: 14px;
  padding: 9px;
  background: #f8f8f8;
}

.mini-avatar {
  width: 26px;
  height: 26px;
  background: #ece7e2;
  color: #80675c;
  font-size: 12px;
}

.ai-comment-name {
  margin-bottom: 3px;
  color: #777;
  font-size: 12px;
}

.ai-comment-text {
  color: #333;
  font-size: 12px;
  line-height: 1.55;
}

.guess-title {
  margin: 12px 0 8px;
  font-size: 13px;
  font-weight: 800;
}

.guess-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
}

.guess-card {
  flex: 0 0 auto;
  width: auto;
  min-height: 0;
  border: 0;
  border-radius: 999px;
  padding: 6px 10px;
  background: #f7f7f7;
  color: #222;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.comment-list {
  display: grid;
}

.comment {
  display: flex;
  gap: 10px;
  padding: 13px 0;
  border-bottom: 1px solid #f3f3f3;
}

.comment-avatar {
  width: 34px;
  height: 34px;
  background: #f2eee9;
  color: #81665c;
  font-size: 13px;
}

.comment-body {
  min-width: 0;
  flex: 1;
}

.comment-name {
  margin-bottom: 4px;
  color: #777;
  font-size: 13px;
}

.comment-text {
  color: #222;
  font-size: 14px;
  line-height: 1.55;
}

.comment-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-top: 6px;
  color: #999;
  font-size: 12px;
}

.reply-box {
  margin-top: 8px;
  border-radius: 12px;
  padding: 8px 10px;
  background: #f7f7f7;
  color: #444;
  font-size: 13px;
  line-height: 1.55;
}

.bottom-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 6;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-top: 1px solid #eee;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.bottom-bar input {
  min-width: 0;
  flex: 1;
  height: 38px;
  border: 0;
  outline: 0;
  border-radius: 999px;
  padding: 0 14px;
  background: #f5f5f5;
  color: #333;
  font-size: 15px;
}

.bottom-bar input::placeholder {
  color: #999;
}

.bottom-action {
  flex: 0 0 auto;
  width: 36px;
  border: 0;
  background: transparent;
  color: #111;
  font-size: 26px;
  line-height: 0.9;
  text-align: center;
}

.bottom-action svg {
  display: block;
  width: 25px;
  height: 25px;
  margin: 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bottom-action span {
  display: block;
  margin-top: 3px;
  color: #555;
  font-size: 11px;
  line-height: 1;
}

.toast {
  position: absolute;
  left: 50%;
  bottom: 92px;
  z-index: 10;
  display: none;
  transform: translateX(-50%);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.78);
  color: white;
  font-size: 13px;
  white-space: nowrap;
}

.toast.show {
  display: block;
}

@media (max-height: 760px) {
  body {
    padding: 12px 10px;
  }

  .phone {
    width: 393px;
    height: 852px;
  }
}

@media (max-width: 430px) {
  body {
    padding: 0;
    align-items: stretch;
  }

  .phone {
    width: 100vw;
    height: 100vh;
    border: 0;
    border-radius: 0;
  }
}