/* 便签工坊 · 手机优先。
   配色 / 字体栈 / 圆角复制自 web_companion/public/tokens.css（2026-10-09）：纸与墨两族 + 朱只给能点的东西。
   只读规则：不 import 那边的文件；那边改规范时这里同步。 */
:root {
  --paper: #f4efe6; --paper-2: #fffdf8; --paper-3: #ece5d8;
  --ink: #1b1a17; --ink-2: #514d45; --ink-3: #8d877a;
  --rule: rgba(27, 26, 23, 0.14); --rule-soft: rgba(27, 26, 23, 0.07);
  --shu: #b8442f; --shu-soft: rgba(184, 68, 47, 0.1); --on-shu: #fffdf8; --enji: #8a2b34;
  --note-paper: #fbf5e6; --note-ink: #2f2a22; --note-rule: rgba(47, 42, 34, 0.11); --note-margin: rgba(184, 68, 47, 0.32);
  --shadow: 0 26px 60px -30px rgba(27, 26, 23, 0.55); --card-shadow: 0 6px 14px rgba(0, 0, 0, 0.16), 0 1px 3px rgba(0, 0, 0, 0.1);
  --mincho: "Hiragino Mincho ProN", "Yu Mincho", YuMincho, "Noto Serif JP", "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", serif;
  --gothic: "Hiragino Sans", "Yu Gothic", YuGothic, "Noto Sans JP", "PingFang SC", system-ui, -apple-system, sans-serif;
  --note-font-zh: "Xiaolai SC", "Songti SC", STSong, SimSun, serif;
  --note-font-ja: "Klee One", Klee, "YuKyokasho Yoko", YuKyokasho, "Hiragino Mincho ProN", serif;
  --radius: 6px; --radius-sm: 4px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #131210; --paper-2: #1c1a17; --paper-3: #24211d;
    --ink: #f2eee5; --ink-2: #bdb7aa; --ink-3: #857f73;
    --rule: rgba(242, 238, 229, 0.16); --rule-soft: rgba(242, 238, 229, 0.07);
    --shu: #e0674c; --shu-soft: rgba(224, 103, 76, 0.14); --on-shu: #1b1a17; --enji: #d98b8b;
    --note-paper: #d9d2c1; --note-ink: #2b2720; --note-rule: rgba(43, 39, 32, 0.14); --note-margin: rgba(150, 52, 36, 0.36);
    --shadow: 0 26px 60px -30px rgba(0, 0, 0, 0.9); --card-shadow: 0 6px 16px rgba(0, 0, 0, 0.5);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--paper); color: var(--ink); font: 15px/1.6 var(--gothic); -webkit-tap-highlight-color: transparent; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--shu); outline-offset: 2px; }
[hidden] { display: none !important; }

/* ── 框架：一屏一个 section，顶栏 + 内容 + 底部固定按钮 ── */
.app { max-width: 520px; margin: 0 auto; min-height: 100%; position: relative; }
.screen { min-height: 100dvh; display: flex; flex-direction: column; padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px)); }
.bar { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: calc(10px + env(safe-area-inset-top, 0px)) 16px 10px; background: var(--paper); }
.brand { font: 600 19px var(--mincho); letter-spacing: .18em; margin: 0; }
.title { font: 600 17px var(--mincho); letter-spacing: .12em; margin: 0; }
.icon-btn { width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--rule); background: transparent; color: var(--ink-2);
  display: grid; place-items: center; font-size: 18px; line-height: 1; }
.spacer { width: 40px; }
.body { padding: 0 16px; flex: 1; }
.cta-wrap { position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; padding: 12px 16px calc(14px + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(to bottom, transparent, var(--paper) 38%); }
.cta-wrap > * { max-width: 488px; margin: 0 auto; }
.cta { display: block; width: 100%; height: 52px; border: 0; border-radius: 999px; background: var(--shu); color: var(--on-shu);
  font: 600 16px var(--gothic); letter-spacing: .14em; box-shadow: 0 10px 24px -12px var(--shu); }
.cta:disabled { opacity: .4; box-shadow: none; cursor: default; }
.ghost { height: 46px; border-radius: 999px; border: 1px solid var(--rule); background: var(--paper-2); color: var(--ink); font-size: 14px; letter-spacing: .06em; }
.row { display: flex; gap: 10px; } .row > * { flex: 1; min-width: 0; }
.label { font: 600 12px var(--gothic); letter-spacing: .2em; color: var(--ink-3); margin: 18px 2px 8px; }
.hint { font-size: 12px; color: var(--ink-3); margin: 6px 2px 0; display: flex; justify-content: space-between; gap: 8px; }
.error { color: var(--enji); font-size: 13px; margin: 10px 2px 0; }
.ai-note { font-size: 11.5px; color: var(--ink-3); text-align: center; margin: 18px 0 0; }

/* ── 首页：便签墙 ── */
.lead { margin: 0 16px 14px; color: var(--ink-2); font-size: 14px; }
.wall { columns: 2; column-gap: 12px; padding: 4px 16px 0; }
.wall button { display: block; width: 100%; padding: 0; border: 0; background: none; margin: 0 0 14px; break-inside: avoid; }
.wall img { display: block; width: 100%; height: auto; border-radius: 2px; box-shadow: var(--card-shadow); }
/* 占位：图没到时是一张空白便签纸（宽高来自 wall.json，§15） */
.wall img { background: var(--note-paper); color: transparent; }
.wall button:nth-child(3n+1) img { transform: rotate(-1.2deg); } .wall button:nth-child(3n+2) img { transform: rotate(.9deg); } .wall button:nth-child(3n) img { transform: rotate(-.4deg); }
.empty { color: var(--ink-3); text-align: center; padding: 40px 0; }

/* 放大看 */
.lightbox { position: fixed; inset: 0; z-index: 20; background: rgba(20, 18, 15, .78); display: grid; place-items: center; padding: 16px; border: 0; width: 100%; }
.lightbox img { max-width: 100%; max-height: 86dvh; border-radius: 2px; box-shadow: var(--shadow); }

/* ── 邮箱卡（从下面弹出） ── */
.scrim { position: fixed; inset: 0; z-index: 10; background: rgba(27, 26, 23, .4); }
.sheet { position: fixed; left: 0; right: 0; bottom: 0; z-index: 11; max-width: 520px; margin: 0 auto; background: var(--paper-2);
  border-radius: 18px 18px 0 0; padding: 14px 18px calc(22px + env(safe-area-inset-bottom, 0px)); box-shadow: 0 -10px 30px rgba(0, 0, 0, .2); }
.grab { width: 36px; height: 4px; border-radius: 999px; background: var(--rule); margin: 0 auto 12px; }
.sheet h2 { margin: 0 0 4px; font: 600 18px var(--mincho); letter-spacing: .08em; }
.sheet p { margin: 0 0 14px; font-size: 13px; color: var(--ink-2); }
.field { width: 100%; background: var(--paper-2); border: 1px solid var(--rule); border-radius: var(--radius); padding: 11px 12px; font-size: 16px; color: var(--ink); }
.field::placeholder { color: var(--ink-3); }
.sheet .cta { margin-top: 14px; }
.small { font-size: 11.5px; color: var(--ink-3); margin-top: 12px; line-height: 1.6; }

/* ── 写需求 ── */
.avatars { display: flex; gap: 10px; overflow-x: auto; padding: 2px 2px 6px; scroll-snap-type: x proximity; scrollbar-width: none; }
.avatars::-webkit-scrollbar { display: none; }
.av { flex: 0 0 64px; border: 0; background: none; padding: 0; text-align: center; font-size: 11px; color: var(--ink-2); scroll-snap-align: start; }
.av .ph { display: block; position: relative; width: 60px; height: 60px; margin: 0 auto 4px; border-radius: 999px; overflow: hidden; background: var(--paper-3); border: 2px solid transparent; }
.av img { width: 100%; height: 100%; object-fit: cover; display: block; }
.av[aria-pressed="true"] { color: var(--ink); font-weight: 600; }
.av[aria-pressed="true"] .ph { border-color: var(--shu); }
.av[aria-pressed="true"] .ph::after { content: "✓"; position: absolute; right: 0; bottom: 0; width: 20px; height: 20px; border-radius: 999px; background: var(--shu); color: var(--on-shu); font: 700 12px/20px var(--gothic); }
.av .nm { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
textarea.field { resize: none; line-height: 1.6; display: block; }
textarea.note-like { font-family: var(--note-font-zh); font-size: 18px; line-height: 32px; min-height: 104px; padding: 4px 12px 4px 26px;
  background-color: var(--note-paper); color: var(--note-ink);
  background-image: linear-gradient(to right, transparent 15px, var(--note-margin) 15px, var(--note-margin) 16px, transparent 16px), linear-gradient(to bottom, transparent 31px, var(--note-rule) 31px);
  background-size: 100% 100%, 100% 32px; background-attachment: local; }
textarea.note-like:lang(ja) { font-family: var(--note-font-ja); }
.check { display: flex; align-items: center; gap: 10px; margin-top: 12px; font-size: 14px; color: var(--ink-2); }
.check input { width: 20px; height: 20px; accent-color: var(--shu); margin: 0; }

/* ── 生成中 ── */
.loading { flex: 1; display: grid; place-items: center; text-align: center; padding: 24px; }
.paper { width: min(280px, 80vw); margin: 0 auto; background: var(--note-paper); color: var(--note-ink); border-radius: 2px; box-shadow: var(--card-shadow); transform: rotate(-1deg); text-align: left; overflow: hidden; }
.paper .sk { aspect-ratio: 4 / 3; margin: 26px 10px 0; background: linear-gradient(100deg, var(--note-paper) 30%, rgba(47, 42, 34, .08) 50%, var(--note-paper) 70%); background-size: 300% 100%; animation: sweep 1.8s linear infinite; }
@keyframes sweep { to { background-position: -150% 0; } }
@media (prefers-reduced-motion: reduce) { .paper .sk { animation: none; } }
.paper p { margin: 0; padding: 22px 12px 10px 24px; font: 15px/22px var(--note-font-zh); white-space: pre-wrap;
  background-image: linear-gradient(to right, transparent 15px, var(--note-margin) 15px, var(--note-margin) 16px, transparent 16px), linear-gradient(to bottom, transparent 21px, var(--note-rule) 21px); background-size: 100% 100%, 100% 22px; }
.paper p:lang(ja) { font-family: var(--note-font-ja); }
.loading h2 { margin: 22px 0 4px; font: 500 17px var(--mincho); letter-spacing: .08em; }
.loading small { color: var(--ink-3); font-size: 12px; }

/* ── 挑一张 ── */
.pick { display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 6px 16px 4px; margin: 0 -16px; scrollbar-width: none; }
.pick::-webkit-scrollbar { display: none; }
.pick figure { margin: 0; flex: 0 0 84%; scroll-snap-align: center; }
.pick button { display: block; width: 100%; padding: 0; border: 0; background: none; border-radius: 3px; }
.pick img { display: block; width: 100%; border-radius: 2px; box-shadow: var(--card-shadow); }
.pick button[aria-pressed="true"] { outline: 2px solid var(--shu); outline-offset: 4px; }
.pick figcaption { font-size: 12px; color: var(--ink-2); margin-top: 8px; text-align: center; }
.dots { display: flex; justify-content: center; gap: 6px; margin: 10px 0 0; } .dots i { width: 6px; height: 6px; border-radius: 999px; background: var(--rule); } .dots i.on { background: var(--shu); }
.used { font-size: 12.5px; color: var(--ink-2); line-height: 1.65; margin-top: 14px; padding: 10px 12px; border: 1px dashed var(--rule); border-radius: var(--radius); }
.used b { color: var(--ink); font-weight: 600; }
.words { display: grid; gap: 8px; margin-top: 14px; }
.words button { text-align: left; border: 1px solid var(--rule); background: var(--paper-2); border-radius: var(--radius); padding: 8px 12px; }
.words button[aria-pressed="true"] { border-color: var(--shu); box-shadow: inset 0 0 0 1px var(--shu); }
.words span { display: block; font-size: 11px; letter-spacing: .14em; color: var(--ink-3); }
.words button[aria-pressed="true"] span { color: var(--shu); }
.words p { margin: 2px 0 0; font: 15px/1.6 var(--note-font-zh); color: var(--ink); }
.words p:lang(ja) { font-family: var(--note-font-ja); }

/* ── 做好了 ── */
.final { display: block; width: 100%; border-radius: 2px; box-shadow: 0 12px 28px rgba(0, 0, 0, .22); transform: rotate(-.8deg); margin-top: 6px; }
.save-hint { font-size: 12px; color: var(--ink-3); text-align: center; margin-top: 10px; }
.mt { margin-top: 16px; }
/* 隐私说明等文字页 */
.doc-page .prose { max-width: 62ch; padding-bottom: 48px; }
.prose h2 { font: 600 16px var(--mincho); letter-spacing: .08em; margin: 22px 0 6px; }
.prose p, .prose li { color: var(--ink-2); font-size: 14.5px; }
.prose ul { padding-left: 1.2em; margin: 0; }
a.icon-btn { text-decoration: none; }
.ai-note a, .small a { color: inherit; }