/* ============================================================
   Sparkboard · 员工想法看板
   视觉方向：Bento 便当盒网格 — 白底模块 + 严格网格 + 紫蓝 accent
   ============================================================ */
:root {
  --paper: #F4F4F6;
  --card: #FFFFFF;
  --ink: #17171C;
  --ink-2: #55565E;
  --ink-3: #8E8F99;
  --line: #E7E7EC;
  --line-2: #D8D8E0;
  --accent: #6C5CE7;
  --accent-deep: #5848C9;
  --accent-soft: #EDEBFC;
  --teal: #0E8F7C;
  --teal-soft: #E1F4EF;
  --blue: #3B6FE0;
  --blue-soft: #E9EFFC;
  --amber: #B07A10;
  --amber-soft: #FBF3DF;
  --danger: #D64541;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgb(23 23 28 / .05);
  --shadow-md: 0 12px 32px -14px rgb(23 23 28 / .18);
  --font: "Space Grotesk", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  min-height: 100vh;
}
::selection { background: var(--accent-soft); color: var(--accent-deep); }
button { font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; color: inherit; }
svg { display: block; }

/* ---------- 通用控件 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 16px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: background .18s, color .18s, border-color .18s, transform .12s, box-shadow .18s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 2px 10px rgb(108 92 231 / .28); }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { background: var(--card); color: var(--ink-2); border-color: var(--line-2); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-ghost.danger:hover { color: var(--danger); border-color: var(--danger); }
.btn-ghost.armed { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm { padding: 7px 14px; font-size: 13px; }

.icon-btn {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-2);
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s;
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent); }

.select-wrap { display: inline-flex; align-items: center; gap: 8px; }
.select-label { font-size: 12px; color: var(--ink-3); font-weight: 600; }
select {
  appearance: none; -webkit-appearance: none;
  border: 1px solid var(--line-2);
  background: var(--card) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'><path d='M1 1l4 4 4-4' stroke='%2355565E' stroke-width='1.6' fill='none' stroke-linecap='round'/></svg>") no-repeat right 12px center;
  border-radius: 10px;
  padding: 8px 30px 8px 14px;
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: border-color .15s;
}
select:hover, select:focus { border-color: var(--ink); outline: none; }

/* 头像：程序化生成，纯色 + 首字 */
.avatar {
  flex: none;
  width: 26px; height: 26px;
  border-radius: 8px;
  display: inline-grid; place-items: center;
  background: hsl(var(--h, 255) 45% 58%);
  color: #fff;
  font-size: 12px; font-weight: 700;
  user-select: none;
}
.avatar.lg { width: 32px; height: 32px; font-size: 14px; }

.author { display: inline-flex; align-items: center; gap: 8px; min-width: 0; }
.author-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 110px; }
.author-dept { font-size: 12px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 状态徽标 */
.status-pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 700;
  letter-spacing: .04em;
  padding: 3px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.status-pill::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: currentColor; }
.st-new      { color: var(--amber); background: var(--amber-soft); border-color: rgb(176 122 16 / .25); }
.st-review   { color: var(--blue);  background: var(--blue-soft);  border-color: rgb(59 111 224 / .22); }
.st-progress { color: var(--teal);  background: var(--teal-soft);  border-color: rgb(14 143 124 / .25); }
.st-shipped  { color: #fff;         background: var(--accent);     border-color: var(--accent); }

.tag {
  display: inline-block;
  font-size: 12px; font-weight: 500;
  color: var(--ink-2);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2px 9px;
  white-space: nowrap;
}
.tag-none { color: var(--ink-3); border-style: dashed; }

/* ============================================================
   头部
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgb(255 255 255 / .88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 12px 24px;
  display: flex; align-items: center; gap: 20px;
}
.brand {
  display: flex; align-items: center; gap: 11px;
  background: none; border: none; cursor: pointer;
  padding: 4px 2px; text-align: left;
}
.brand-spark { width: 28px; height: 28px; fill: var(--accent); transform: rotate(-8deg); transition: transform .3s cubic-bezier(.34,1.56,.64,1); }
.brand:hover .brand-spark { transform: rotate(14deg) scale(1.08); }
.brand-text { font-size: 18px; font-weight: 700; letter-spacing: -.02em; line-height: 1.1; }
.brand-text em { display: block; font-style: normal; font-size: 11px; font-weight: 500; color: var(--ink-3); letter-spacing: .12em; }

.search-wrap {
  flex: 1; max-width: 460px;
  display: flex; align-items: center; gap: 9px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 14px;
  color: var(--ink-3);
  transition: border-color .15s, box-shadow .15s;
}
.search-wrap:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); color: var(--accent); }
.search-ico { flex: none; }
#searchInput { flex: 1; min-width: 0; border: none; outline: none; background: none; font-size: 14px; }
#searchInput::placeholder { color: var(--ink-3); }
#searchInput::-webkit-search-cancel-button { cursor: pointer; }
.search-kbd {
  flex: none;
  font-family: var(--font); font-size: 11px; font-weight: 600;
  color: var(--ink-3);
  border: 1px solid var(--line-2);
  border-radius: 6px; padding: 1px 7px;
  background: var(--paper);
}
.header-actions { margin-left: auto; display: flex; gap: 10px; }

/* ============================================================
   主区域 / Hero / 统计
   ============================================================ */
.main { max-width: 1200px; margin: 0 auto; padding: 26px 24px 0; }

.hero {
  position: relative; overflow: hidden;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px 30px;
  display: flex; align-items: center; gap: 26px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, transform .2s, border-color .2s;
}
.hero:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.hero-spark { position: absolute; right: -28px; top: -28px; width: 210px; height: 210px; fill: var(--accent); opacity: .10; transform: rotate(18deg); pointer-events: none; }
.hero-main { flex: 1; min-width: 0; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: .16em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgb(108 92 231 / .45);} 55% { box-shadow: 0 0 0 7px rgb(108 92 231 / 0);} }
.hero-title { font-size: 23px; font-weight: 700; letter-spacing: -.015em; line-height: 1.3; margin-bottom: 10px; }
.hero-meta { display: flex; align-items: center; gap: 9px; font-size: 13px; color: var(--ink-2); flex-wrap: wrap; }
.hero-meta .author-name { color: var(--ink); }
.hero-meta .author-dept { color: var(--ink-3); }
.hero-score { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.hero-side { display: flex; flex-direction: column; align-items: flex-end; gap: 14px; flex: none; }
.hero .vote-btn { background: var(--paper); border-color: var(--line); color: var(--ink-2); }
.hero .vote-btn:hover { border-color: var(--accent); color: var(--accent); }
.hero .vote-btn.on.up { background: var(--accent); border-color: var(--accent); color: #fff; }
.hero .vote-btn.on.down { background: var(--ink); border-color: var(--ink); color: #fff; }
.hero .vote-score { color: var(--ink); }
.hero .vote-hint { color: var(--ink-3); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin: 24px 0 20px;
}
.stat {
  display: flex; flex-direction: column; gap: 2px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}
.stat-num { font-size: 30px; font-weight: 700; letter-spacing: -.03em; font-variant-numeric: tabular-nums; line-height: 1.15; }
.stat-label { font-size: 12px; color: var(--ink-3); font-weight: 500; }

/* ============================================================
   工具栏（筛选 / 排序 / 视图）
   ============================================================ */
.toolbar {
  position: sticky; top: 61px; z-index: 60;
  background: rgb(244 244 246 / .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  padding: 10px 0 12px;
  margin: 0 -24px;
  padding-left: 24px; padding-right: 24px;
}
.toolbar-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.chip-group { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line-2);
  background: var(--card);
  color: var(--ink-2);
  border-radius: 10px;
  padding: 7px 14px;
  font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: all .15s;
}
.chip:hover { border-color: var(--accent); color: var(--accent); }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.chip .chip-n { opacity: .55; font-size: 11px; margin-left: 4px; font-variant-numeric: tabular-nums; }
.toolbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.result-count { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.view-toggle { display: inline-flex; border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden; background: var(--card); }
.view-btn {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: none; border: none;
  color: var(--ink-3); cursor: pointer;
  transition: all .15s;
}
.view-btn + .view-btn { border-left: 1px solid var(--line-2); }
.view-btn:hover { color: var(--accent); }
.view-btn.on { background: var(--accent); color: #fff; }

.tag-row { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: thin; }
.tag-chip {
  flex: none;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-3);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  transition: all .15s;
}
.tag-chip:hover { border-color: var(--accent); color: var(--accent); }
.tag-chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-deep); font-weight: 600; }
.tag-chip .chip-n { opacity: .6; font-size: 10px; margin-left: 3px; }

/* ============================================================
   看板卡片 / 列表
   ============================================================ */
.board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  padding: 22px 0 10px;
}
.board.list { display: flex; flex-direction: column; gap: 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px 20px 16px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 10px;
  box-shadow: var(--shadow-sm);
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--accent); }
.card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.card-time { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.card-title {
  font-size: 17px; font-weight: 600; letter-spacing: -.01em; line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-excerpt {
  font-size: 13px; color: var(--ink-2); line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: 2px;
}
.card-actions { display: flex; align-items: center; gap: 10px; flex: none; }
.cmt-count {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 12px; font-weight: 600; color: var(--ink-3);
  font-variant-numeric: tabular-nums;
}
.cmt-count svg { flex: none; }

/* 列表视图 */
.row {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) 170px 92px auto;
  align-items: center;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .15s;
}
.row:hover { border-color: var(--line-2); box-shadow: var(--shadow-sm); transform: translateX(3px); }
.row:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.row-rank { font-size: 13px; font-weight: 700; color: var(--ink-3); font-variant-numeric: tabular-nums; text-align: center; }
.row-main { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.row-title { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-tags { display: flex; gap: 5px; overflow: hidden; }
.row-author { display: flex; align-items: center; gap: 7px; min-width: 0; }
.row-side { display: flex; align-items: center; gap: 12px; }

/* ---------- 投票组件 ---------- */
.vote { position: relative; display: inline-flex; align-items: center; gap: 3px; }
.vote.lg { flex-direction: column; gap: 5px; align-items: stretch; }
.vote.lg .vote-btn { width: 100%; padding: 7px 0; border-radius: 10px; }
.vote.lg .vote-score { padding: 2px 0; }
.vote-btn {
  width: 31px; height: 31px;
  display: grid; place-items: center;
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 9px;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .15s;
}
.vote-btn:hover { border-color: var(--accent); color: var(--accent); transform: scale(1.06); }
.vote-btn.on.up { background: var(--accent); border-color: var(--accent); color: #fff; }
.vote-btn.on.down { background: var(--ink); border-color: var(--ink); color: var(--card); }
.vote-score {
  min-width: 26px;
  text-align: center;
  font-size: 14px; font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.vote-score.bump { animation: pop .35s cubic-bezier(.34,1.56,.64,1); }
@keyframes pop { 0% { transform: scale(1);} 45% { transform: scale(1.35); color: var(--accent);} 100% { transform: scale(1);} }

/* 投票火花迸发粒子 */
.burst-p {
  position: absolute;
  left: 50%; top: 50%;
  width: 13px; height: 13px;
  margin: -6px 0 0 -6px;
  fill: var(--accent);
  pointer-events: none;
  animation: burst .7s cubic-bezier(.2,.7,.3,1) forwards;
}
@keyframes burst {
  0%   { transform: translate(0, 0) scale(.35) rotate(0deg); opacity: 1; }
  100% { transform: translate(var(--tx), var(--ty)) scale(1.05) rotate(var(--r)); opacity: 0; }
}
.vote-hint { font-size: 11px; color: var(--ink-3); }

/* ============================================================
   详情抽屉
   ============================================================ */
.overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgb(23 23 28 / .35);
  opacity: 0;
  transition: opacity .25s;
}
.overlay.open { opacity: 1; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 310;
  width: min(500px, 100vw);
  background: var(--paper);
  border-left: 1px solid var(--line);
  box-shadow: -24px 0 60px -30px rgb(23 23 28 / .35);
  overflow-y: auto;
  padding: 24px 28px 40px;
  transform: translateX(105%);
  transition: transform .3s cubic-bezier(.32,.72,0,1);
}
.drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }

.stepper { display: flex; margin-bottom: 20px; }
.step {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  background: none; border: none; cursor: pointer;
  position: relative;
  padding: 0 2px;
}
.step::before {
  content: "";
  position: absolute; top: 10px; left: -50%; width: 100%; height: 2px;
  background: var(--line-2);
}
.step:first-child::before { display: none; }
.step.done::before { background: var(--teal); }
.step-dot {
  width: 21px; height: 21px; border-radius: 50%;
  border: 2px solid var(--line-2);
  background: var(--card);
  display: grid; place-items: center;
  color: #fff;
  z-index: 1;
  transition: all .2s;
}
.step-dot svg { width: 10px; height: 10px; }
.step.done .step-dot { background: var(--teal); border-color: var(--teal); }
.step.cur .step-dot { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.step-label { font-size: 11px; font-weight: 600; color: var(--ink-3); }
.step.cur .step-label { color: var(--ink); }
.step:hover .step-dot { border-color: var(--ink); }

.drawer-title { font-size: 22px; font-weight: 700; letter-spacing: -.015em; line-height: 1.3; margin-bottom: 12px; }
.drawer-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.meta-time { font-size: 12px; color: var(--ink-3); }
.drawer-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.drawer-body { font-size: 14px; line-height: 1.75; color: var(--ink); margin-bottom: 20px; }
.drawer-body p { margin-bottom: 12px; }
.drawer-body p:last-child { margin-bottom: 0; }

.drawer-vote {
  display: flex; align-items: center; gap: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-sm);
}
.drawer-actions { display: flex; gap: 8px; margin-bottom: 26px; flex-wrap: wrap; }

.comments h4 { font-size: 14px; font-weight: 700; margin-bottom: 14px; letter-spacing: -.01em; }
.comment-list { display: flex; flex-direction: column; gap: 14px; margin-bottom: 18px; }
.comment { display: flex; gap: 10px; }
.comment-main { flex: 1; min-width: 0; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 13px; box-shadow: var(--shadow-sm); }
.comment-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 3px; }
.comment-head b { font-size: 13px; }
.comment-head span { font-size: 11px; color: var(--ink-3); }
.comment-main p { font-size: 13px; line-height: 1.6; word-break: break-word; }
.comment-empty { font-size: 13px; color: var(--ink-3); border: 1px dashed var(--line-2); border-radius: 12px; padding: 16px; text-align: center; }
.comment-form {
  display: grid;
  grid-template-columns: 30px minmax(0,1fr) auto;
  gap: 10px;
  align-items: start;
  padding-top: 6px;
  border-top: 1px solid var(--line);
}
.comment-form textarea {
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--card);
  padding: 9px 12px;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  min-height: 42px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.comment-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* ============================================================
   弹窗 / 表单
   ============================================================ */
.modal-wrap {
  position: fixed; inset: 0; z-index: 400;
  background: rgb(23 23 28 / .4);
  display: grid; place-items: center;
  padding: 20px;
  opacity: 0;
  transition: opacity .22s;
}
.modal-wrap.open { opacity: 1; }
.modal {
  width: min(580px, 100%);
  max-height: min(88vh, 760px);
  overflow-y: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px 28px 24px;
  box-shadow: var(--shadow-md);
  transform: translateY(14px) scale(.98);
  transition: transform .25s cubic-bezier(.32,.72,0,1);
}
.modal-wrap.open .modal { transform: none; }
.modal-wrap.shake .modal { animation: shake .4s; }
@keyframes shake {
  0%,100% { transform: translateX(0);} 25% { transform: translateX(-7px);} 55% { transform: translateX(6px);} 80% { transform: translateX(-3px);}
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.modal-head h2 { font-size: 19px; font-weight: 700; letter-spacing: -.01em; }

.field { margin-bottom: 15px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.label-hint { font-weight: 400; color: var(--ink-3); font-size: 12px; }
.field input, .field textarea, .field select {
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background: var(--card);
  padding: 10px 13px;
  font-size: 14px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; line-height: 1.6; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field.invalid input, .field.invalid textarea { border-color: var(--danger); }
.field .err { display: block; min-height: 16px; font-size: 12px; color: var(--danger); margin-top: 4px; }
.field-row { display: grid; grid-template-columns: 1fr 1.4fr; gap: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }

/* ============================================================
   空态 / 提示 / 页脚
   ============================================================ */
.empty {
  text-align: center;
  padding: 72px 24px;
  color: var(--ink-2);
}
.empty-spark { width: 56px; height: 56px; fill: none; stroke: var(--accent); stroke-width: 1.4; margin: 0 auto 18px; }
.empty h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.empty p { font-size: 13px; margin-bottom: 20px; }

.toast-root {
  position: fixed; bottom: 26px; left: 50%; transform: translateX(-50%);
  z-index: 500;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--ink);
  color: #fff;
  font-size: 13px; font-weight: 500;
  padding: 10px 20px;
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(12px);
  transition: all .28s cubic-bezier(.32,.72,0,1);
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.warn { background: var(--danger); }

.site-footer {
  margin-top: 72px;
  border-top: 1px solid var(--line);
  padding: 26px 24px 34px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-3);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1020px) {
  .hero { flex-direction: column; align-items: flex-start; }
  .hero-side { flex-direction: row; align-items: center; width: 100%; justify-content: space-between; }
  .hero-spark { width: 150px; height: 150px; }
  .stats { grid-template-columns: repeat(2, 1fr); row-gap: 14px; }
}
@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
  .search-wrap { order: 3; max-width: none; flex-basis: 100%; }
  .search-kbd { display: none; }
  .header-actions { margin-left: 0; }
  .main { padding: 18px 16px 0; }
  .toolbar { margin: 0 -16px; padding: 10px 16px 12px; top: 0; position: static; }
  .board { grid-template-columns: 1fr; }
  .row { grid-template-columns: 24px minmax(0,1fr) auto; }
  .row-author, .row .status-pill { display: none; }
  .field-row { grid-template-columns: 1fr; }
  .drawer { width: 100vw; }
  .comment-form { grid-template-columns: 30px minmax(0,1fr); }
  .comment-form .btn { grid-column: 2; justify-self: end; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}