:root {
  --bg: #f4f2ed;
  --surface: #ffffff;
  --surface-read: #eae7e0;
  --ink: #202523;
  --muted: #707774;
  --line: #e2e0da;
  --accent: #2f6661;
  --accent-soft: #e9f0ee;
  --danger: #a4483f;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue',
        'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  overscroll-behavior-y: none;
}

body { -webkit-text-size-adjust: 100%; }

#app { min-height: 100dvh; }

/* ---------- 顶栏 ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: calc(var(--safe-top) + 12px) 16px 12px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: .5px;
  flex: 1;
}

.iconbtn {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--accent);
  border-radius: 10px;
  padding: 6px 10px;
  font-size: 13px;
  cursor: pointer;
  min-width: 38px;
  min-height: 34px;
}
.iconbtn:active { background: var(--accent-soft); }
.iconbtn[disabled] { opacity: .4; }

/* ---------- 列表 ---------- */

.list { padding: 12px 12px calc(var(--safe-bottom) + 32px); }

.row {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--surface);
  border: 0;
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  cursor: pointer;
  position: relative;
  box-shadow: 0 1px 2px rgb(32 37 35 / .05);
  /* .row 是 <a>，必须显式覆盖浏览器默认的蓝色 + 下划线，
     否则内部 .row-title 会继承到链接色 */
  color: var(--ink);
  text-decoration: none;
  -webkit-text-decoration: none;
}
.row:active { background: var(--accent-soft); }
.row.read { background: var(--surface-read); }
.row.read .row-title { color: var(--muted); }

.row-title {
  margin: 0;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
  padding-right: 48px;
  word-break: break-word;
  color: var(--ink);
}

.row-foot { margin-top: 8px; display: flex; align-items: center; gap: 8px; }

.badge {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
}
.row.read .badge { background: var(--line); color: var(--muted); }

.badge-read {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--line);
  color: var(--muted);
}

.vip {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 5px;
  background: #f1c84b;
  color: #111;
}
.row.has-vip .row-title { padding-right: 48px; }

/* ---------- 状态区 ---------- */

.state {
  padding: 56px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}
.state .glyph { font-size: 40px; margin-bottom: 12px; }
.state .btn {
  margin-top: 16px;
  appearance: none;
  border: 0;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  padding: 11px 26px;
  font-size: 15px;
  cursor: pointer;
}
.state .sub { font-size: 13px; margin-top: 10px; opacity: .75; }

.sentinel { padding: 18px; text-align: center; color: var(--muted); font-size: 13px; }

.dot-spin {
  width: 18px; height: 18px; margin: 0 auto 8px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 详情 ---------- */

.detail {
  padding: 18px 18px calc(var(--safe-bottom) + 48px);
  max-width: 720px;
  margin: 0 auto;
}

.detail h2 {
  font-size: 21px;
  font-weight: 650;
  line-height: 1.4;
  margin: 6px 0 12px;
  word-break: break-word;
}

.detail .meta {
  color: var(--muted);
  font-size: 13px;
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 12px;
  align-items: center;
}

.detail p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.85;
  word-break: break-word;
}

.detail .figure { margin: 0 0 20px; }

.detail img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: var(--surface-read);
  cursor: zoom-in;
}

.detail .loading { padding: 40px 0; }

/* ---------- 骨架屏 ---------- */

.skeleton { padding: 4px 0; }

.sk-bar {
  height: 13px;
  border-radius: 6px;
  margin-bottom: 13px;
  background: linear-gradient(
    100deg,
    var(--line) 30%,
    color-mix(in srgb, var(--line) 45%, var(--surface)) 50%,
    var(--line) 70%
  );
  background-size: 300% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

.sk-title { height: 20px; margin-bottom: 20px; }

.sk-gap { height: 22px; background: transparent; animation: none; margin-bottom: 20px; }

.sk-img {
  height: 180px;
  border-radius: 10px;
  margin: 6px 0 22px;
  background: linear-gradient(
    100deg,
    var(--line) 30%,
    color-mix(in srgb, var(--line) 45%, var(--surface)) 50%,
    var(--line) 70%
  );
  background-size: 300% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

@keyframes shimmer {
  from { background-position: 150% 0; }
  to   { background-position: -150% 0; }
}

/* 列表骨架：占位行不可点击 */
.sk-row { pointer-events: none; }
.sk-row .sk-bar { margin-bottom: 10px; }

.sk-badge {
  width: 74px;
  height: 18px;
  border-radius: 999px;
  background: linear-gradient(
    100deg,
    var(--line) 30%,
    color-mix(in srgb, var(--line) 45%, var(--surface)) 50%,
    var(--line) 70%
  );
  background-size: 300% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

/* 尊重系统「减弱动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  .sk-bar, .sk-img { animation: none; }
  .dot-spin { animation-duration: 2s; }
}

.notice {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  color: var(--accent);
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 18px;
}

/* ---------- 图片查看器 ---------- */

.viewer {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: #0d0f0e;
  display: none;
  flex-direction: column;
}
.viewer.open { display: flex; }

.viewer-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: calc(var(--safe-top) + 8px) 14px 8px;
  color: #fff;
  font-size: 14px;
}
.viewer-bar .spacer { flex: 1; }
.viewer-bar button {
  appearance: none;
  background: rgb(255 255 255 / .14);
  border: 0;
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 15px;
  cursor: pointer;
  min-height: 38px;
}

/*
 * iOS 的 PWA 会忽略 user-scalable=no，网页原生 pinch-zoom 在 standalone 模式下
 * 也不可靠，所以这里自己实现缩放：双击切换 1x / 2.5x，拖动平移。
 */
.viewer-stage {
  flex: 1;
  overflow: hidden;
  position: relative;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viewer-stage img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
  user-select: none;
  -webkit-user-drag: none;
}

.viewer-hint {
  text-align: center;
  color: rgb(255 255 255 / .5);
  font-size: 12px;
  padding: 10px;
  padding-bottom: calc(var(--safe-bottom) + 10px);
}

/* ---------- 提示条 ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--safe-bottom) + 26px);
  transform: translateX(-50%) translateY(12px);
  background: rgb(32 37 35 / .93);
  color: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 14px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
  z-index: 200;
  max-width: 82vw;
  text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }