/* 感恩日记 / Dailylet 官网样式。
   颜色取自 ios/Sweetheart/DesignSystem/Colors.swift（暖光：奶油杏桃 × 陶土玫瑰）。
   App 里的 inkSoft / pinkDeep 在纸色上对比度不够 AA，网页上正文用 ink / brown800，链接用加深的玫瑰色。 */

:root {
  color-scheme: light dark;
  --paper: #FBF3EC;
  --cream: #FFFCF8;
  --ink: #5B4A44;
  --ink-2: #7A5550;
  --heading: #5B3F3A;
  --link: #9C4450;
  --line: rgba(176, 122, 106, .28);
  --rule: rgba(176, 122, 106, .2);
  --tape: rgba(232, 198, 182, .75);
  --dot: rgba(176, 122, 106, .2);
  --shadow: 0 0 0 1px var(--line), 0 14px 30px rgba(176, 122, 106, .18);
  --grad-dream: linear-gradient(120deg, #F5C9A4, #F3C0B3 45%, #F2A7B3);

  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "PingFang TC", "Hiragino Sans GB",
    "Microsoft YaHei", "Microsoft JhengHei", "Noto Sans CJK SC", "Segoe UI", Roboto, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Songti TC", "STSong",
    "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #2A201D;
    --cream: #352925;
    --ink: #F3E6DC;
    --ink-2: #D9BFB2;
    --heading: #FBEFE7;
    --link: #F7B9AE;
    --line: rgba(223, 179, 162, .28);
    --rule: rgba(223, 179, 162, .16);
    --tape: rgba(176, 122, 106, .55);
    --dot: rgba(223, 179, 162, .12);
    --shadow: 0 0 0 1px var(--line), 0 14px 30px rgba(0, 0, 0, .3);
  }
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font: 1.0625rem/1.75 var(--sans);
}

/* 右上、左下两角的半调网点，和 App 纸卡皮肤的背景同一个做法 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(var(--dot) 1.1px, transparent 1.6px) 0 0 / 12px 12px;
  -webkit-mask: radial-gradient(60% 42% at 100% 0%, #000, transparent 72%), radial-gradient(55% 38% at 0% 100%, #000, transparent 72%);
  mask: radial-gradient(60% 42% at 100% 0%, #000, transparent 72%), radial-gradient(55% 38% at 0% 100%, #000, transparent 72%);
}

.wrap {
  width: 100%;
  max-width: 42rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

a { color: var(--link); text-underline-offset: .2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 3px; }

.skip {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--cream); padding: .5rem .9rem; border-radius: 6px; box-shadow: var(--shadow);
}
.skip:focus { top: 1rem; z-index: 10; }

/* ---------- 顶栏 ---------- */
.top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: .75rem 1rem;
  padding-top: 1.25rem; padding-bottom: 1.25rem;
}
.brand {
  display: inline-flex; align-items: center; gap: .65rem;
  color: var(--heading); text-decoration: none;
  font: 600 1.0625rem/1.2 var(--serif);
}
.brand img { width: 2.25rem; height: 2.25rem; border-radius: 22%; box-shadow: 0 0 0 1px var(--line); }
.brand span span { display: block; font: 400 .8125rem/1.3 var(--sans); color: var(--ink-2); }

.langs ul { display: flex; gap: .25rem; margin: 0; padding: 0; list-style: none; }
.langs a {
  display: block; padding: .45rem .7rem; min-height: 2.75rem; line-height: 1.85rem;
  border-radius: 6px; color: var(--ink-2); text-decoration: none; font-size: .9375rem;
}
.langs a:hover { color: var(--heading); box-shadow: inset 0 0 0 1px var(--line); }
.langs a[aria-current="true"] { color: var(--heading); background: var(--cream); box-shadow: inset 0 0 0 1px var(--line); }

/* ---------- 多语言 ----------
   不开 JS：三种语言依次排开，顶栏的语言链接当页内锚点用。
   开了 JS：<head> 里的脚本给 <html> 打上 data-lang，只留一种。 */
.l10n { scroll-margin-top: 1rem; }
.l10n + .l10n { margin-top: 4rem; padding-top: 3rem; border-top: 1px dashed var(--line); }
html[data-lang] .l10n { display: none; }
html[data-lang] .l10n + .l10n { margin-top: 0; padding-top: 0; border-top: 0; }
html[data-lang="zh-Hans"] .l10n[lang="zh-Hans"],
html[data-lang="zh-Hant"] .l10n[lang="zh-Hant"],
html[data-lang="en"] .l10n[lang="en"] { display: block; }

/* ---------- 文字 ---------- */
h1, h2, h3 { color: var(--heading); font-family: var(--serif); font-weight: 600; text-wrap: balance; }
h1 { font-size: clamp(2rem, 1.4rem + 3vw, 3rem); line-height: 1.2; margin: 2rem 0 1rem; letter-spacing: -.01em; }
h2 { font-size: 1.5rem; line-height: 1.35; margin: 3.5rem 0 1rem; }
h3 { font-size: 1.125rem; line-height: 1.5; margin: 0 0 .5rem; }
[lang^="zh"] h1 { letter-spacing: .02em; }
p { margin: 0 0 1rem; }
.lede { font-size: 1.1875rem; color: var(--ink-2); max-width: 34rem; }
.note { color: var(--ink-2); font-size: .9375rem; }

/* ---------- 首页：贴着胶带的一页日记 ---------- */
.page-card {
  position: relative;
  margin: 2.75rem 0 1rem;
  padding: 1.75rem 1.5rem 1.1rem;
  border-radius: 8px;
  background: var(--cream);
  box-shadow: var(--shadow);
  transform: rotate(-.6deg);
}
.page-card::before {
  content: "";
  position: absolute; left: 50%; top: -.7rem; width: 6.5rem; height: 1.5rem; margin-left: -3.25rem;
  background: var(--tape);
  transform: rotate(-2deg);
  clip-path: polygon(2% 0, 98% 4%, 100% 50%, 97% 100%, 3% 96%, 0 50%);
}
.page-card ol { margin: 0; padding: 0; list-style: none; counter-reset: line; }
.page-card li {
  counter-increment: line;
  display: flex; gap: .85rem; align-items: baseline;
  padding: .55rem 0;
  border-bottom: 1px solid var(--rule);
  font: 1.125rem/1.6 var(--serif);
  color: var(--heading);
}
.page-card li::before {
  content: counter(line);
  flex: none; width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--grad-dream); color: #5B3F3A;
  font: 600 .8125rem/1.5rem var(--sans); text-align: center;
  transform: translateY(-.1rem);
}
.page-card figcaption { margin-top: .9rem; text-align: right; font-size: .875rem; color: var(--ink-2); }
figure { margin-inline: 0; }

/* ---------- 留在手机上 / 账号里有什么 ---------- */
.ledger { display: grid; gap: 1.25rem; margin: 1.5rem 0; }
@media (min-width: 38rem) { .ledger { grid-template-columns: 1fr 1fr; } }
.ledger section { padding: 1.25rem 1.25rem 1rem; border-radius: 8px; background: var(--cream); box-shadow: 0 0 0 1px var(--line); }
.ledger ul { margin: 0; padding-left: 1.2rem; }
.ledger li { margin-bottom: .35rem; }
.ledger li::marker { color: var(--ink-2); }

/* ---------- 联系方式 ---------- */
.contact {
  margin: 2rem 0;
  padding: 1.5rem;
  border-radius: 8px;
  background: var(--cream);
  box-shadow: var(--shadow);
}
.contact h2 { margin-top: 0; }
.contact .mail { font: 600 1.25rem/1.4 var(--serif); overflow-wrap: anywhere; }
.contact ul { margin: 0 0 1rem; padding-left: 1.2rem; }

/* ---------- 常见问题 ---------- */
.faq > section { padding: 1.5rem 0; border-top: 1px dashed var(--line); scroll-margin-top: 1rem; }
.faq > section:last-child { border-bottom: 1px dashed var(--line); }
.faq ol, .faq ul { margin: 0 0 1rem; padding-left: 1.3rem; }
.faq li { margin-bottom: .35rem; }
.path { white-space: nowrap; font-weight: 600; color: var(--heading); }

.toc { margin: 1rem 0 2rem; padding-left: 1.2rem; }
.toc li { margin-bottom: .3rem; }

/* ---------- 去处 / 页脚 ---------- */
.doors { display: grid; gap: .75rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
@media (min-width: 38rem) { .doors { grid-template-columns: 1fr 1fr; } }
.doors a {
  display: block; height: 100%; padding: 1rem 1.25rem; border-radius: 8px;
  background: var(--cream); box-shadow: 0 0 0 1px var(--line);
  text-decoration: none; color: var(--ink);
}
.doors a:hover { box-shadow: 0 0 0 1.5px var(--link); }
.doors b { display: block; font: 600 1.0625rem/1.5 var(--serif); color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .2em; }
.doors span { font-size: .9375rem; color: var(--ink-2); }

.foot { margin-top: 4rem; padding: 1.5rem 0 3rem; border-top: 1px solid var(--line); font-size: .9375rem; color: var(--ink-2); }
.foot ul { display: flex; flex-wrap: wrap; gap: .25rem 1.25rem; margin: 0 0 .5rem; padding: 0; list-style: none; }
.foot p { margin: 0; }

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
@media print {
  body::before { display: none; }
  .langs, .skip { display: none; }
}
