/* ============================================================
   流·Studio · Restraint 风格(Firecrawl-inspired)
   适用所有页面 · 米白底 + 单橙 accent + 0 圆角硬边容器
   ============================================================ */

* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #FAF9F5;
  --bg-soft: #F4F2EC;
  --card: #FFFFFF;
  --border: #E9E5DB;
  --border-soft: #EFEBE0;
  --ink: #15140F;
  --ink-2: #5A584F;
  --ink-3: #9C988C;
  --ink-4: #C8C4B8;
  --orange: #E55B26;
  --orange-soft: #FAE8DC;
  --orange-tint: #FFF4ED;
  --orange-hover: #D04E1F;
  --green: #3F6B3F;
  --green-bg: #EAF2EA;
  --green-bd: #D5E5D5;
  --red: #B33A2A;
  --red-bg: #FBEBE7;
  --red-bd: #F2D6CE;
}

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; outline: none; }
img, svg, video { display: block; max-width: 100%; }

.num, .tnum { font-variant-numeric: tabular-nums; }
.mono { font-family: 'JetBrains Mono', monospace; }
.muted { color: var(--ink-2); }
.muted-2 { color: var(--ink-3); }
.spacer { flex: 1; }
.hstack { display: flex; align-items: center; gap: 8px; }
.vstack { display: flex; flex-direction: column; gap: 8px; }
.divider { height: 1px; background: var(--border); margin: 14px 0; }

/* ─── App shell ─── */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }

/* ─── Sidebar ─── */
aside.sidebar {
  padding: 18px 14px;
  border-right: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 6px 8px 14px; }
.flame { width: 22px; height: 22px; color: var(--orange); }
.flame svg { width: 100%; height: 100%; }
.brand .name { font-weight: 700; font-size: 18px; letter-spacing: -.012em; }
.search-box {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--ink-3);
  margin-bottom: 14px;
  cursor: text;
}
.search-box svg { width: 14px; height: 14px; }
.search-box input { flex: 1; border: 0; background: transparent; font-size: 13px; color: var(--ink); }
.search-box input::placeholder { color: var(--ink-3); }
.search-box .kbd {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-soft);
}
.nav-section { font-size: 10.5px; color: var(--ink-3); padding: 14px 12px 6px; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; }
nav { display: flex; flex-direction: column; gap: 1px; }
nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 8px 12px;
  color: var(--ink-2);
  font-size: 13.5px; font-weight: 500;
  border-radius: 7px;
  cursor: pointer;
  user-select: none;
}
nav a:hover { background: var(--bg-soft); color: var(--ink); }
nav a.active { background: var(--orange-tint); color: var(--orange); }
nav a svg { width: 14px; height: 14px; opacity: .85; }
nav a.active svg { opacity: 1; }
nav a .pill-mini {
  margin-left: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; font-weight: 600;
  padding: 2px 6px;
  background: var(--card);
  color: var(--ink-3);
  border: 1px solid var(--border);
  border-radius: 999px;
  letter-spacing: .04em;
}
nav a.disabled { color: var(--ink-4); cursor: not-allowed; }
nav a.disabled:hover { background: transparent; color: var(--ink-4); }
.aside-foot { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); }
.user {
  display: flex; align-items: center; gap: 9px;
  padding: 8px;
  border-radius: 8px;
  cursor: pointer;
}
.user:hover { background: var(--bg-soft); }
.user .av {
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--ink);
  color: #FFF;
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 11px;
}
.user .em { font-size: 12.5px; }

/* ─── Main + grid background ─── */
main { position: relative; overflow: hidden; background: var(--bg); }
.grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><g stroke='%23B8B3A4' stroke-width='1' fill='none'><path d='M-5 0 L5 0 M0 -5 L0 5'/><path d='M235 0 L245 0 M240 -5 L240 5'/><path d='M-5 240 L5 240 M0 235 L0 245'/><path d='M235 240 L245 240 M240 235 L240 245'/></g></svg>"),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='60'><circle cx='60' cy='60' r='0.9' fill='%23CFCABB'/></svg>"),
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><g stroke='%23E2DED2' stroke-width='1' fill='none' stroke-dasharray='1.5 4'><path d='M240 0 L240 240'/><path d='M0 240 L240 240'/></g></svg>");
  background-size: 240px 240px, 60px 60px, 240px 240px;
  mask-image: radial-gradient(ellipse 95% 80% at 50% 35%, #000 25%, transparent 95%);
  -webkit-mask-image: radial-gradient(ellipse 95% 80% at 50% 35%, #000 25%, transparent 95%);
}
.scatter { position: absolute; font-family: 'JetBrains Mono', monospace; font-size: 8.5px; line-height: 1.05; color: var(--ink-4); white-space: pre; pointer-events: none; opacity: .8; letter-spacing: .04em; }
.tag-corner { position: absolute; color: var(--ink-3); font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: .06em; pointer-events: none; opacity: .85; z-index: 1; }
.sq-mark { position: absolute; width: 5px; height: 5px; background: var(--ink-3); opacity: .55; pointer-events: none; }

/* ─── Topbar ─── */
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: relative; z-index: 2;
}
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); }
.crumbs .sep { color: var(--ink-4); }
.crumbs .here { color: var(--ink); font-weight: 500; }
.crumbs a:hover { color: var(--ink); }
.topbar .right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.balance-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 6px 12px 6px 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12.5px;
  color: var(--ink-2);
  cursor: pointer;
}
.balance-chip:hover { background: var(--bg-soft); }
.balance-chip strong { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
.balance-chip svg { width: 13px; height: 13px; color: var(--orange); }
.icon-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--ink-2);
  cursor: pointer;
  position: relative;
}
.icon-btn:hover { background: var(--bg-soft); color: var(--ink); }
.icon-btn svg { width: 15px; height: 15px; }
.icon-btn .dot-noti { position: absolute; top: 8px; right: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); border: 1.5px solid var(--card); }

/* ─── Content ─── */
.content { padding: 36px 48px 60px; position: relative; z-index: 1; max-width: 1480px; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 28px; gap: 16px; flex-wrap: wrap; }
.page-head h1 { font-size: 26px; font-weight: 600; letter-spacing: -.018em; line-height: 1.2; }
.page-head .sub { font-size: 13.5px; color: var(--ink-2); margin-top: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.page-head .sub .mono { font-family: 'JetBrains Mono', monospace; font-size: 11.5px; color: var(--ink-3); }
.page-head .actions { display: flex; gap: 8px; align-items: center; }

.section-h { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.section-h h2 { font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.section-h .more { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-3); letter-spacing: .04em; cursor: pointer; }
.section-h .more:hover { color: var(--orange); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 14px;
  border-radius: 9px;
  font-size: 13px; font-weight: 500;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
}
.btn:hover { background: var(--bg-soft); }
.btn:disabled, .btn.disabled { color: var(--ink-3); background: var(--bg-soft); cursor: not-allowed; }
.btn svg { width: 13px; height: 13px; }
.btn-primary {
  background: var(--orange);
  color: #FFF;
  border-color: var(--orange);
  font-weight: 600;
  padding: 8px 16px;
}
.btn-primary:hover { background: var(--orange-hover); border-color: var(--orange-hover); }
.btn-primary:disabled { background: var(--bg-soft); color: var(--ink-3); border-color: var(--border); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn-ghost:hover { background: var(--bg-soft); color: var(--ink); }
.btn-sm { padding: 5px 11px; font-size: 12px; border-radius: 7px; }
.btn-lg { padding: 10px 18px; font-size: 13.5px; }

/* ─── Pills ─── */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px; font-weight: 500;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--ink-2);
  white-space: nowrap;
}
.pill.info { background: var(--orange-tint); color: var(--orange); border-color: var(--orange-soft); }
.pill.ok { background: var(--green-bg); color: var(--green); border-color: var(--green-bd); }
.pill.err { background: var(--red-bg); color: var(--red); border-color: var(--red-bd); }
.pill.neutral { background: var(--bg-soft); color: var(--ink-2); border-color: var(--border); }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ─── Cards / containers (0 圆角硬边) ─── */
.card-hard {
  background: var(--card);
  border: 1px solid var(--border);
  position: relative;
}
.card-hard.with-corners::before, .card-hard.with-corners::after,
.with-corners .corner-tr, .with-corners .corner-bl {
  position: absolute;
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px; line-height: 1;
}
.card-hard.with-corners::before { content: '+'; top: -8px; left: -8px; }
.card-hard.with-corners::after { content: '+'; bottom: -8px; right: -8px; }
.with-corners .corner-tr { top: -8px; right: -8px; }
.with-corners .corner-bl { bottom: -8px; left: -8px; }

/* ─── Stats (KPI bar) ─── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border);
  position: relative;
  margin-bottom: 32px;
}
.stat {
  padding: 22px 24px;
  border-right: 1px solid var(--border);
  position: relative;
  cursor: pointer;
  transition: background .15s;
}
.stat:hover { background: var(--bg-soft); }
.stat:last-child { border-right: 0; }
.stat .lbl { font-size: 12.5px; color: var(--ink-3); font-weight: 500; display: flex; align-items: center; gap: 6px; }
.stat .lbl .badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9.5px; color: var(--ink-3);
  background: var(--bg-soft);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-soft);
}
.stat .v { font-size: 30px; font-weight: 600; letter-spacing: -.02em; line-height: 1; margin-top: 14px; font-variant-numeric: tabular-nums; }
.stat .v small { font-size: 14px; color: var(--ink-3); font-weight: 500; margin-left: 2px; }
.stat .delta { font-family: 'JetBrains Mono', monospace; font-size: 11px; margin-top: 8px; color: var(--ink-3); letter-spacing: .02em; }
.stat .delta.up { color: var(--green); }
.stat .bar { height: 5px; background: var(--bg-soft); border-radius: 3px; margin-top: 12px; overflow: hidden; }
.stat .bar > span { display: block; height: 100%; background: var(--orange); border-radius: 3px; }
.stat .sub { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--ink-3); margin-top: 8px; letter-spacing: .02em; }

/* ─── Form fields ─── */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field-label { font-size: 12.5px; font-weight: 500; color: var(--ink); }
.field-label .req { color: var(--red); margin-left: 2px; }
.field-hint { font-size: 12px; color: var(--ink-3); }
.input, .textarea, .select {
  height: 36px;
  padding: 0 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 13px;
  width: 100%;
  font-family: inherit;
  color: var(--ink);
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(229, 91, 38, 0.10); }
.input::placeholder, .textarea::placeholder { color: var(--ink-3); }
.textarea { height: auto; min-height: 80px; padding: 10px 12px; line-height: 1.55; resize: vertical; }
.select { appearance: none; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 16 16' fill='none'><path d='M4 6l4 4 4-4' stroke='%239C988C' stroke-width='1.4'/></svg>"); background-repeat: no-repeat; background-position: right 10px center; padding-right: 30px; }

/* ─── Tabs ─── */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tab { padding: 9px 14px; font-size: 13px; color: var(--ink-2); border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; font-weight: 500; user-select: none; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--orange); border-bottom-color: var(--orange); }
.tab .count { font-family: 'JetBrains Mono', monospace; font-size: 10.5px; color: var(--ink-3); margin-left: 6px; padding: 1px 6px; background: var(--bg-soft); border-radius: 4px; }
.tab.active .count { background: var(--orange-tint); color: var(--orange); }

/* ─── Filter chips ─── */
.chip {
  height: 32px; padding: 0 12px;
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--ink-2);
  display: inline-flex; align-items: center; gap: 6px;
  cursor: pointer;
  font-family: inherit;
}
.chip:hover { background: var(--bg-soft); }
.chip.active { border-color: var(--orange); color: var(--orange); background: var(--orange-tint); }
.chip svg { width: 12px; height: 12px; }

/* ─── Toolbar ─── */
.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .search-inline {
  position: relative; flex: 1; max-width: 320px;
}
.toolbar .search-inline svg { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--ink-3); width: 14px; height: 14px; }
.toolbar .search-inline input { padding-left: 34px; }

/* ─── Progress (5 段流水线) ─── */
.prog { display: flex; gap: 3px; }
.prog span { width: 18px; height: 5px; border-radius: 2px; background: var(--bg-soft); }
.prog span.done { background: var(--ink-2); }
.prog span.cur { background: var(--orange); }
.prog span.fail { background: var(--red); }

/* ─── Table ─── */
table.t {
  width: 100%; border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
}
table.t thead th {
  text-align: left;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--ink-3);
  padding: 12px 14px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  letter-spacing: .04em;
  text-transform: uppercase;
  font-family: 'JetBrains Mono', monospace;
}
table.t tbody td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: middle;
}
table.t tbody tr:last-child td { border-bottom: 0; }
table.t tbody tr { cursor: pointer; }
table.t tbody tr:hover { background: var(--bg-soft); }

/* ─── Placeholder thumb ─── */
.placeholder {
  background:
    repeating-linear-gradient(135deg, rgba(0,0,0,0.025) 0 1px, transparent 1px 12px),
    var(--bg-soft);
  border: 1px solid var(--border-soft);
  display: grid; place-items: center;
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: .04em;
  user-select: none;
  overflow: hidden;
  position: relative;
  text-align: center;
  padding: 6px;
}
.placeholder .ph-frame {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  padding: 3px 8px;
  font-size: 10.5px;
  color: var(--ink-2);
  font-weight: 500;
}

/* ─── Toast ─── */
.toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 4px 20px rgba(21, 20, 15, 0.06);
  transform: translateX(420px);
  transition: transform .3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 1000;
  min-width: 240px;
}
.toast.show { transform: translateX(0); }
.toast .ic-t {
  width: 24px; height: 24px;
  background: var(--orange-tint);
  color: var(--orange);
  border: 1px solid var(--orange-soft);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.toast .ic-t svg { width: 12px; height: 12px; }
.toast .txt { font-size: 12.5px; color: var(--ink); }
.toast .txt .mono { font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-3); display: block; margin-top: 2px; letter-spacing: .02em; }

/* ─── Modal ─── */
.modal-bg {
  position: fixed; inset: 0;
  background: rgba(21, 20, 15, .42);
  display: none; align-items: center; justify-content: center;
  z-index: 999;
  opacity: 0;
  transition: opacity .2s;
}
.modal-bg.show { display: flex; opacity: 1; }
.modal {
  background: var(--card);
  border: 1px solid var(--border);
  max-width: 480px; width: 90%;
  position: relative;
  transform: scale(.96);
  transition: transform .25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.modal-bg.show .modal { transform: scale(1); }
.modal::before, .modal::after { content: '+'; position: absolute; color: var(--ink-3); font-family: 'JetBrains Mono', monospace; font-size: 13px; line-height: 1; }
.modal::before { top: -8px; left: -8px; }
.modal::after { bottom: -8px; right: -8px; }
.modal .corner-tr, .modal .corner-bl { position: absolute; color: var(--ink-3); font-family: 'JetBrains Mono', monospace; font-size: 13px; line-height: 1; }
.modal .corner-tr { top: -8px; right: -8px; }
.modal .corner-bl { bottom: -8px; left: -8px; }
.modal-h { padding: 20px 24px 14px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; }
.modal-h .ic-m { width: 36px; height: 36px; background: var(--orange-tint); color: var(--orange); border: 1px solid var(--orange-soft); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.modal-h .ic-m svg { width: 17px; height: 17px; }
.modal-h .ti { font-size: 15px; font-weight: 600; }
.modal-h .ti span { display: block; font-family: 'JetBrains Mono', monospace; font-size: 11px; color: var(--ink-3); font-weight: 400; margin-top: 3px; letter-spacing: .02em; }
.modal-b { padding: 18px 24px; font-size: 13px; color: var(--ink-2); line-height: 1.7; }
.modal-b .mono-acc { font-family: 'JetBrains Mono', monospace; color: var(--orange); background: var(--orange-tint); padding: 1px 5px; font-size: 11.5px; border-radius: 3px; }
.modal-f { padding: 14px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* ─── Drawer ─── */
.drawer-bg {
  position: fixed; inset: 0;
  background: rgba(21, 20, 15, .32);
  display: none;
  z-index: 90;
}
.drawer-bg.show { display: block; }
.drawer {
  position: fixed; right: 0; top: 0; bottom: 0;
  width: 540px; max-width: 100vw;
  background: var(--card);
  border-left: 1px solid var(--border);
  z-index: 95;
  transform: translateX(100%);
  transition: transform .25s cubic-bezier(.32, .72, 0, 1);
  display: flex; flex-direction: column;
}
.drawer.show { transform: translateX(0); }
.drawer-h {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
}
.drawer-h h3 { font-size: 16px; font-weight: 600; }
.drawer-h .x {
  margin-left: auto; width: 28px; height: 28px;
  border-radius: 6px;
  display: grid; place-items: center;
  color: var(--ink-2); cursor: pointer;
}
.drawer-h .x:hover { background: var(--bg-soft); color: var(--ink); }
.drawer-b { padding: 20px 24px; overflow-y: auto; flex: 1; }
.drawer-f {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  display: flex; gap: 8px; justify-content: flex-end;
  background: var(--bg-soft);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ink-3); }

/* ─── Responsive ─── */
@media (max-width: 1100px) {
  .app { grid-template-columns: 1fr; }
  aside.sidebar { display: none; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border); }
  .content { padding: 24px; }
}

/* ─── Spinner ─── */
.spinner {
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }