/* 小蜗：夜里关了灯的房间。深底、内容做主角，一类内容一种颜色。 */
:root {
  --bg: #121116; --bg2: #18171e; --card: #1f1e26; --card2: #26252e; --ink: #efebe4; --ink2: #b9b4ab; --muted: #7d7884; --line: #2c2b34;
  --sun: #f2b544; --mint: #7fd49a; --coral: #ef8160; --violet: #a596f5; --sky: #62b6ea; --rose: #ea94b5;
  --warn: #f07a86;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", sans-serif;
  --serif: "Songti SC", "Noto Serif CJK SC", Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --ease: cubic-bezier(.16, 1, .3, 1);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.6 var(--sans); -webkit-font-smoothing: antialiased;
  padding: env(safe-area-inset-top) 0 env(safe-area-inset-bottom);
}
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background: radial-gradient(900px 500px at 85% -10%, #2b2340 0%, transparent 60%), radial-gradient(700px 400px at -10% 30%, #1f2b2a 0%, transparent 60%);
}
::selection { background: var(--sun); color: var(--bg); }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px 120px; }
main { min-height: 60vh; }

/* ---------------------------------------------------------------- 顶栏 */
.top { display: flex; align-items: center; gap: 12px; padding: 18px 0 8px; }
.brandmark { display: flex; align-items: center; gap: 10px; }
.snail { width: 44px; height: 44px; flex: none; overflow: visible; }
.snail .shell { transform-origin: 24px 22px; transition: transform .6s cubic-bezier(.3, 1.4, .5, 1); }
.brandmark:hover .shell { transform: rotate(-14deg); }
.snail .eye { transform-origin: center; transform-box: fill-box; animation: peek 6s ease-in-out infinite; }
@keyframes peek { 0%, 88%, 100% { transform: scaleY(1); } 92% { transform: scaleY(.15); } }
.wordmark { display: grid; line-height: 1; }
.wordmark b { font: 800 20px/1 var(--sans); letter-spacing: .06em; }
.wordmark small { font: 10px/1 var(--mono); color: var(--muted); letter-spacing: .14em; margin-top: 5px; }
.sp { flex: 1; }
.topnav { display: flex; gap: 4px; }
.topnav a { height: 36px; padding: 0 14px; border-radius: 10px; display: inline-flex; align-items: center; color: var(--ink2); font-size: 14px; }
.topnav a:hover { background: var(--card); color: var(--ink); }
.topnav a.on { background: var(--card); color: var(--ink); }
.trail { display: flex; align-items: center; gap: 6px; font: 12px var(--mono); color: var(--muted); margin-left: 8px; }
.trail i { width: 5px; height: 5px; border-radius: 50%; background: var(--sun); }

/* ---------------------------------------------------------------- 问候 + 投递 */
.hello { margin: 22px 0 14px; }
.hello h1 { font: 700 26px/1.3 var(--sans); margin: 0; letter-spacing: -.01em; }
.hello p { margin: 4px 0 0; color: var(--muted); }
.capture { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 14px 14px 10px; transition: border-color .2s; }
.capture:focus-within { border-color: #46434f; }
.capture textarea { display: block; width: 100%; background: transparent; border: 0; outline: 0; color: var(--ink); font: 16px/1.6 var(--sans); resize: none; min-height: 64px; }
.capture textarea::placeholder { color: var(--muted); }
.capture .row { margin-top: 6px; }
.capture .hint-line { font-size: 12px; color: var(--muted); margin-top: 8px; }

/* ---------------------------------------------------------------- 按钮与表单 */
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.spacer { flex: 1; }
button, .btn {
  font: 500 14px var(--sans); min-height: 40px; padding: 0 16px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--card2); color: var(--ink); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  transition: background .15s, border-color .15s, transform .15s var(--ease);
}
button:hover { border-color: #46434f; }
button:active { transform: scale(.97); }
button.primary { background: var(--ink); color: var(--bg); border-color: var(--ink); font-weight: 600; padding: 0 20px; }
button.primary:hover { background: #fff; }
button.quiet { background: var(--card2); border-color: transparent; color: var(--ink2); font-size: 13px; padding: 0 12px; height: 36px; min-height: 36px; }
button.quiet:hover { color: var(--ink); }
button.danger { background: transparent; border-color: transparent; color: var(--warn); }
button:disabled { opacity: .45; cursor: default; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--sun); outline-offset: 2px; }

.toggle { display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 12px; border-radius: 10px; background: var(--card2); color: var(--ink2); font-size: 13px; cursor: pointer; }
.toggle input { accent-color: var(--sun); width: 15px; height: 15px; margin: 0; }
.toggle:has(input:checked) { color: var(--sun); }

label.lab { display: block; font: 600 12px var(--sans); letter-spacing: .08em; color: var(--muted); margin: 20px 0 6px; }
.field {
  width: 100%; font: inherit; color: var(--ink); resize: vertical; background: var(--card);
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px;
}
.field:focus { outline: 0; border-color: var(--sun); }
input.field { min-height: 44px; }
input.field.title-field { font: 700 20px/1.3 var(--sans); }

/* ---------------------------------------------------------------- 栏目 */
.section { display: flex; align-items: baseline; gap: 10px; font: 700 18px var(--sans); margin: 34px 0 12px; }
.section .count { font: 400 13px var(--mono); color: var(--muted); }
.section .more { margin-left: auto; font: 400 13px var(--sans); color: var(--muted); }
.section .more:hover { color: var(--ink); }

/* 旅程条 */
.trips-row { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(270px, 360px); gap: 12px; overflow-x: auto; margin: 0 -16px; padding: 0 16px 4px; scrollbar-width: none; }
.trips-row::-webkit-scrollbar { display: none; }
.tripc { display: flex; gap: 12px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px; transition: border-color .2s, transform .3s var(--ease); }
.tripc:hover { border-color: #3b3946; transform: translateY(-2px); }
.tripc .cover { flex: none; width: 64px; aspect-ratio: 2 / 3; border-radius: 8px; overflow: hidden; background: linear-gradient(160deg, #2d3e5a, #121116); }
.tripc .cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.tripc .k { font-size: 12px; font-weight: 600; color: var(--sun); }
.tripc .k.live { color: var(--mint); }
.tripc .t { font-weight: 600; margin: 2px 0 6px; line-height: 1.35; }
.stripe { display: flex; height: 4px; border-radius: 4px; overflow: hidden; gap: 2px; }
.stripe span { flex: 1; }
.tripc .s { font: 12px var(--mono); color: var(--muted); margin-top: 6px; }

/* 那年今日 */
.memory { display: grid; grid-template-columns: 1.2fr 1fr; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); background: var(--card); }
.memory .pic { min-height: 200px; background: linear-gradient(160deg, #3a5a78 0%, #1d2f45 45%, #c98b5a 100%); }
.memory .pic img { width: 100%; height: 100%; object-fit: cover; display: block; }
.memory .txt { padding: 18px 20px; }
.memory .when { font: 12px var(--mono); color: var(--rose); }
.memory .q { font: 400 18px/1.7 var(--serif); margin: 8px 0 10px; }
.memory .from { font-size: 13px; color: var(--muted); }

/* 待确认 */
.pending { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.pend { display: block; background: var(--card); border: 1px dashed #45424f; border-radius: 16px; padding: 14px 16px; transition: border-color .2s; }
.pend:hover { border-color: var(--sun); }
.pend .t { font-weight: 700; font-size: 16px; line-height: 1.4; margin: 6px 0 4px; }
.pend .d { color: var(--ink2); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.pend .ask { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.pend .ask span { font-size: 12px; padding: 4px 10px; border-radius: 99px; background: var(--card2); color: var(--ink2); }

/* 信息流 */
.feed { columns: 3 300px; column-gap: 14px; }
.f { break-inside: avoid; margin: 0 0 14px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; display: block; transition: border-color .2s, transform .3s var(--ease); }
.f:hover { border-color: #3b3946; transform: translateY(-2px); }
.f .shot { aspect-ratio: 16 / 10; background: var(--card2); }
.f .shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.f .body { padding: 14px 16px 16px; }
.f .t { font-weight: 700; font-size: 16px; line-height: 1.4; margin: 6px 0 4px; }
.f .d { color: var(--ink2); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
.f .m { font: 12px var(--mono); color: var(--muted); margin-top: 10px; display: flex; gap: 10px; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; color: var(--sky); }
.tag i { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.tag.priv { color: var(--violet); }
.tag.wait { color: var(--sun); }
.tag.bad { color: var(--warn); }

.chip { display: inline-block; font-size: 12px; color: var(--muted); margin-right: 8px; }
.chip::before { content: "#"; opacity: .6; }
.meta { color: var(--muted); font: 12px/1.6 var(--mono); }
.kicker { display: flex; flex-wrap: wrap; gap: 4px 10px; font: 600 12px/1.4 var(--sans); color: var(--sky); }
.empty { border: 1px dashed var(--line); border-radius: 16px; padding: 28px 18px; text-align: center; color: var(--muted); }

/* ---------------------------------------------------------------- 文章页（条目 / 草稿） */
.article { max-width: 720px; margin: 0 auto; }
.back { display: inline-flex; margin-top: 14px; font-size: 13px; color: var(--muted); }
.back:hover { color: var(--ink); }
.article-head { padding: 18px 0 20px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.article-head h1 { font: 700 clamp(26px, 6vw, 36px)/1.25 var(--sans); margin: 10px 0 0; letter-spacing: -.01em; }
.article-head .deck { font: 400 18px/1.75 var(--serif); color: var(--ink2); margin: 14px 0 0; }
.article-head .meta { margin-top: 12px; }
.points { list-style: none; padding: 0; margin: 0; counter-reset: pt; }
.points li { counter-increment: pt; display: grid; grid-template-columns: 2em 1fr; padding: 10px 0; border-bottom: 1px solid var(--line); }
.points li::before { content: counter(pt, decimal-leading-zero); font: 13px/1.9 var(--mono); color: var(--sun); }
.thumbs { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.thumbs img { width: 72px; height: 72px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); display: block; cursor: pointer; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 8px; margin: 10px 0; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; border-radius: 12px; }
.source { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin: 8px 0; }
.raw { white-space: pre-wrap; color: var(--ink2); font-size: 14px; }
.source a, .links a { word-break: break-all; font-size: 14px; color: var(--sky); }
.q { font: 400 16px/1.6 var(--serif); border-left: 2px solid var(--sun); padding: 2px 14px; margin: 10px 0; }
.hint { color: var(--warn); font-size: 14px; }
.actions { position: sticky; bottom: 0; background: linear-gradient(transparent, var(--bg) 30%); padding: 18px 0 calc(12px + env(safe-area-inset-bottom)); margin-top: 20px; }
.actions button.primary { flex: 1; }
pre { white-space: pre-wrap; word-break: break-word; }

/* ---------------------------------------------------------------- 登录 */
.login { max-width: 360px; margin: 14vh auto 0; background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 28px 22px; }
.login h1 { font: 700 26px/1.2 var(--sans); margin: 0 0 18px; }

/* ---------------------------------------------------------------- 手机底栏 */
.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; display: none; justify-content: space-around; align-items: center;
  background: #121116ee; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--line);
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
}
.tabbar a { display: grid; place-items: center; gap: 2px; font-size: 11px; color: var(--muted); min-width: 64px; min-height: 44px; }
.tabbar a.on { color: var(--ink); }
.tabbar svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.tabbar .plus { width: 52px; height: 52px; min-height: 52px; padding: 0; border-radius: 16px; background: var(--ink); color: var(--bg); border: 0; font-size: 26px; margin-top: -20px; box-shadow: 0 8px 24px #0008; }

#toast {
  position: fixed; left: 50%; bottom: calc(96px + env(safe-area-inset-bottom)); transform: translate(-50%, 16px); z-index: 30;
  background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 12px; font-size: 14px; opacity: 0; pointer-events: none;
  transition: opacity .2s, transform .2s;
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 720px) {
  .topnav, .trail { display: none; }
  .tabbar { display: flex; }
  .memory { grid-template-columns: 1fr; }
  .memory .pic { min-height: 160px; max-height: 220px; }
  .hello h1 { font-size: 22px; }
  .actions { bottom: calc(68px + env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }