/* ==================================================================
   C11-工具箱 — themeable glass UI
   ================================================================== */

:root {
  color-scheme: dark;
  --fs: 1.12;

  --bg: #0b0d10;
  --bg-soft: #14181d;
  --text: #e4e7ec;
  --muted: #8c929c;
  --muted-2: #676d77;
  --line: rgba(255, 255, 255, 0.075);
  --line-soft: rgba(255, 255, 255, 0.045);
  --line-strong: rgba(255, 255, 255, 0.13);
  --glass: rgba(255, 255, 255, 0.028);
  --glass-strong: rgba(255, 255, 255, 0.045);

  --accent: #8fbca6;
  --accent-2: #6f9c87;
  --accent-ink: #101d18;
  --mint: var(--accent);
  --mint-deep: var(--accent-2);
  --violet: #9a94ae;
  --amber: #c2a377;
  --danger: #c9808a;

  --radius: 16px;
  --radius-sm: 10px;
  --sheen: rgba(255, 255, 255, 0.05);
  --sheen-soft: rgba(255, 255, 255, 0.022);
  --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.18);
  --shadow-2: 0 1px 2px rgba(0, 0, 0, 0.2), 0 10px 26px -18px rgba(0, 0, 0, 0.55);
  --shadow-hover: 0 1px 3px rgba(0, 0, 0, 0.24), 0 16px 32px -22px rgba(0, 0, 0, 0.6);
  --shadow: var(--shadow-2);

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

/* ---- 主题：午夜紫 ---- */
:root[data-theme="violet"] {
  color-scheme: dark;
  --bg: #0d0b12;
  --bg-soft: #171422;
  --text: #e8e5ef;
  --muted: #948fa4;
  --muted-2: #6d687c;
  --line: rgba(255, 255, 255, 0.075);
  --line-soft: rgba(255, 255, 255, 0.045);
  --line-strong: rgba(255, 255, 255, 0.13);
  --glass: rgba(255, 255, 255, 0.028);
  --glass-strong: rgba(255, 255, 255, 0.045);
  --accent: #a99ac8;
  --accent-2: #8b7dab;
  --accent-ink: #191426;
  --violet: #b9a8c9;
  --amber: #c7a97f;
  --danger: #c9808f;
}

/* ---- 主题：暖褐 ---- */
:root[data-theme="amber"] {
  color-scheme: dark;
  --bg: #100d0a;
  --bg-soft: #1b1712;
  --text: #ece7de;
  --muted: #9d958a;
  --muted-2: #736c62;
  --line: rgba(255, 248, 238, 0.075);
  --line-soft: rgba(255, 248, 238, 0.045);
  --line-strong: rgba(255, 248, 238, 0.13);
  --glass: rgba(255, 246, 234, 0.028);
  --glass-strong: rgba(255, 246, 234, 0.045);
  --accent: #c9a97c;
  --accent-2: #a98a61;
  --accent-ink: #221a10;
  --violet: #b0a097;
  --amber: #cfb287;
  --danger: #c98076;
}

/* ---- 主题：晨光（浅色） ---- */
:root[data-theme="ivory"] {
  color-scheme: light;
  --bg: #f4f2ed;
  --bg-soft: #fbfaf7;
  --text: #23272e;
  --muted: #6b717a;
  --muted-2: #8f949c;
  --line: rgba(23, 27, 35, 0.09);
  --line-soft: rgba(23, 27, 35, 0.055);
  --line-strong: rgba(23, 27, 35, 0.16);
  --glass: rgba(255, 255, 255, 0.66);
  --glass-strong: rgba(255, 255, 255, 0.85);
  --accent: #4d7f6b;
  --accent-2: #3f6a59;
  --accent-ink: #f5faf7;
  --violet: #7a7396;
  --amber: #94764a;
  --danger: #b4515e;
  --sheen: rgba(255, 255, 255, 0.85);
  --sheen-soft: rgba(255, 255, 255, 0.5);
  --shadow-1: 0 1px 2px rgba(28, 32, 40, 0.08);
  --shadow-2: 0 1px 2px rgba(28, 32, 40, 0.08), 0 10px 24px -18px rgba(28, 32, 40, 0.28);
  --shadow-hover: 0 1px 3px rgba(28, 32, 40, 0.1), 0 16px 30px -22px rgba(28, 32, 40, 0.32);
}

/* ---- 字体预设 ---- */
:root[data-font="yahei"] {
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Segoe UI", system-ui, sans-serif;
}
:root[data-font="song"] {
  --font: "Songti SC", "SimSun", "Noto Serif SC", "Source Han Serif SC", serif;
}
:root[data-font="kai"] {
  --font: "Kaiti SC", "STKaiti", "KaiTi", "LXGW WenKai", "Songti SC", serif;
}
:root[data-font="mono"] {
  --font: "JetBrains Mono", "SF Mono", "Cascadia Mono", Consolas, "PingFang SC", monospace;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html {
  -webkit-text-size-adjust: 100%;
  background: var(--bg);
  transition: background-color 0.4s ease;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 400 calc(15px * var(--fs))/1.65 var(--font);
  letter-spacing: -0.006em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.45s ease, color 0.45s ease;
}



::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--text) 9%, transparent);
  border: 3px solid transparent;
  background-clip: padding-box;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover { background: color-mix(in srgb, var(--text) 16%, transparent); background-clip: padding-box; }

/* ---------------- 背景 ---------------- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% -20%, var(--bg-soft) 0%, var(--bg) 56%);
  transition: background 0.45s ease;
}

/* 静态的极淡顶光，只在显示器亮度正常时隐约可见 */
.aurora::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(52% 38% at 18% -8%, color-mix(in srgb, var(--accent) 6%, transparent), transparent 72%),
    radial-gradient(46% 34% at 86% -4%, color-mix(in srgb, var(--violet) 5%, transparent), transparent 74%);
}

/* 极细网格，只提供一点纵深，不做视觉主角 */
.aurora::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--text) 3.5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--text) 3.5%, transparent) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(110% 80% at 50% 0%, #000 0%, transparent 68%);
  -webkit-mask-image: radial-gradient(110% 80% at 50% 0%, #000 0%, transparent 68%);
  opacity: 0.35;
}

/* ---------------- 通用 ---------------- */

.eyebrow {
  font-size: calc(10.5px * var(--fs));
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-2);
}

h1, h2, h3, p { margin: 0; }

.mono { font-family: var(--mono); }

.dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  flex: none;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: calc(11.5px * var(--fs));
  color: var(--muted);
  letter-spacing: 0.02em;
}

.live i {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint);
  animation: pulse 2.6s ease-in-out infinite;
}
.live.muted i {
  background: var(--muted-2);
  box-shadow: none;
  animation: none;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  overflow: hidden;
  isolation: isolate;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease,
    background-color 0.45s ease;
}

.card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-hover);
}

.card > * { position: relative; z-index: 1; }

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.card-head h2 {
  font-size: calc(15.5px * var(--fs));
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-head p {
  margin-top: 5px;
  font-size: calc(12.5px * var(--fs));
  color: var(--muted);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 23px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--text) 4%, transparent);
  font-size: calc(10.5px * var(--fs));
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

.chip.live-chip {
  color: var(--mint);
  border-color: color-mix(in srgb, var(--accent) 22%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: calc(13px * var(--fs));
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.18s ease, background 0.2s ease, border-color 0.2s ease,
    box-shadow 0.25s ease, opacity 0.2s ease;
}

.btn:active { transform: scale(0.975); }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 82%, var(--text)), var(--accent-2));
  color: var(--accent-ink);
  font-weight: 600;
  box-shadow: 0 4px 12px -8px rgba(0, 0, 0, 0.55);
}

.btn-primary:hover {
  filter: brightness(1.05);
  box-shadow: 0 6px 16px -10px rgba(0, 0, 0, 0.6);
}

.btn-ghost {
  border-color: var(--line);
  background: var(--glass);
  color: var(--text);
}

.btn-ghost:hover { background: var(--glass-strong); border-color: var(--line-strong); }

.btn.sm { height: 28px; padding: 0 10px; font-size: calc(11.5px * var(--fs)); border-radius: 8px; }

.btn-block { width: 100%; }

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field > span {
  font-size: calc(11.5px * var(--fs));
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--muted);
}

.field > span em {
  font-style: normal;
  color: var(--muted-2);
  margin-left: 4px;
}

input[type="text"],
input[type="url"],
input[type="password"],
select,
textarea {
  width: 100%;
  height: 42px;
  padding: 0 13px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: rgba(8, 11, 17, 0.72);
  color: var(--text);
  font: inherit;
  font-size: calc(13.5px * var(--fs));
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

input::placeholder, textarea::placeholder { color: #4a5363; }

input:focus, select:focus, textarea:focus {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: rgba(8, 11, 17, 0.92);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 10%, transparent);
}

select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='m6 9 6 6 6-6' stroke='%238a94a6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  cursor: pointer;
}

select option { background: var(--bg-soft); color: var(--text); }

.inline-select {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: calc(11.5px * var(--fs));
  color: var(--muted);
  white-space: nowrap;
}

.inline-select select {
  width: auto;
  height: 30px;
  padding: 0 28px 0 10px;
  font-size: calc(12px * var(--fs));
  border-radius: 8px;
  background-position: right 9px center;
}

/* ---------------- 登录 ---------------- */

.login {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
}

.login-orbit {
  position: absolute;
  width: min(620px, 90vw);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid var(--line-soft);
  pointer-events: none;
  animation: spin 90s linear infinite;
}

.login-orbit span {
  position: absolute;
  top: 50%; left: 50%;
  width: 5px; height: 5px;
  margin: -2.5px;
  border-radius: 50%;
  background: var(--mint);
  opacity: 0.7;
}
.login-orbit span:nth-child(1) { transform: rotate(0deg) translateX(50%) translateY(-50%); }
.login-orbit span:nth-child(2) { background: var(--violet); transform: rotate(130deg) translateX(50%) translateY(-50%); opacity: 0.5; }
.login-orbit span:nth-child(3) { transform: rotate(250deg) translateX(50%) translateY(-50%); opacity: 0.35; }

@keyframes spin { to { transform: rotate(360deg); } }

.login-card {
  position: relative;
  width: min(400px, 100%);
  padding: 40px 34px 32px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--text) 5%, transparent),
    color-mix(in srgb, var(--text) 2%, transparent)
  );
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(20px) saturate(120%);
  -webkit-backdrop-filter: blur(20px) saturate(120%);
  animation: rise 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px) scale(0.985); }
  to { opacity: 1; transform: none; }
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  border: 1px solid var(--line-strong);
  color: var(--accent);
  flex: none;
}

.brand-mark svg { width: 19px; height: 19px; }

.brand-mark.lg {
  width: 48px; height: 48px;
  border-radius: 14px;
  margin-bottom: 22px;
}
.brand-mark.lg svg { width: 26px; height: 26px; }

.login-card h1 {
  font-size: calc(30px * var(--fs));
  font-weight: 600;
  letter-spacing: -0.035em;
  margin: 8px 0 8px;
  color: var(--text);
}

.login-sub {
  font-size: calc(13px * var(--fs));
  color: var(--muted);
  margin-bottom: 26px;
}

.login-card .field { margin-bottom: 16px; }

.login-card .field input { height: 44px; }

.login-hint {
  margin-top: 20px;
  text-align: center;
  font-size: calc(10.5px * var(--fs));
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.login-hint.is-error { color: var(--danger); letter-spacing: 0; text-transform: none; font-size: calc(12px * var(--fs)); }

/* ---------------- 骨架 ---------------- */

.app {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  min-height: 100vh;
}

.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 24px 18px;
  border-right: 1px solid var(--line-soft);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--text) 3%, transparent),
    color-mix(in srgb, var(--text) 0.8%, transparent)
  );
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 4px 6px;
  text-decoration: none;
  color: inherit;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }

.brand-text strong {
  font-size: calc(14.5px * var(--fs));
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-text em {
  font-style: normal;
  font-size: calc(9px * var(--fs));
  letter-spacing: 0.18em;
  color: var(--muted-2);
  margin-top: 3px;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 11px;
  width: 100%;
  height: 40px;
  padding: 0 11px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: calc(13px * var(--fs));
  cursor: pointer;
  text-align: left;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav-item svg { width: 17px; height: 17px; flex: none; opacity: 0.85; }

.nav-item:hover { color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); }

.nav-item.is-active {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 7%, transparent);
  border-color: var(--line-strong);
}

.nav-item.is-active::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 50%;
  width: 2px;
  height: 16px;
  border-radius: 0 2px 2px 0;
  background: var(--accent);
  transform: translateY(-50%);
}

.rail-footer {
  margin-top: auto;
  padding: 14px 10px 2px;
  border-top: 1px solid var(--line-soft);
}

.rail-meta {
  margin-top: 9px;
  font-size: calc(10px * var(--fs));
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.main {
  min-width: 0;
  padding: 34px clamp(22px, 3.6vw, 52px) 90px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 30px;
}

.topbar-title h1 {
  margin: 7px 0 6px;
  font-size: calc(clamp(26px, 2.6vw, 34px) * var(--fs));
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.topbar-title p { font-size: calc(13px * var(--fs)); color: var(--muted); }

.top-actions {
  display: flex;
  align-items: center;
  gap: 9px;
  padding-top: 4px;
}

.quota-glance {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 156px;
  padding: 7px 11px 8px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--glass);
  color: var(--muted);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.quota-glance:hover {
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
  background: var(--glass-strong);
  transform: translateY(-1px);
}

.quota-glance .qg-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: calc(10.5px * var(--fs));
  line-height: 1;
}

.quota-glance .qg-name {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  letter-spacing: 0.01em;
}

.quota-glance .qg-pct {
  flex: none;
  font-family: var(--mono);
  font-size: calc(10.5px * var(--fs));
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.quota-glance .qg-track {
  display: block;
  height: 3px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--text) 8%, transparent);
  overflow: hidden;
}

.quota-glance .qg-track i {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--mint-deep), var(--mint));
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.quota-glance.is-warn {
  border-color: rgba(194, 163, 119, 0.3);
}

.quota-glance.is-warn .qg-pct { color: var(--amber); }
.quota-glance.is-warn .qg-track i {
  background: linear-gradient(90deg, #b08c50, var(--amber));
}

.quota-glance.is-danger {
  border-color: rgba(201, 128, 138, 0.4);
  animation: quotaPulse 2.4s ease-in-out infinite;
}

.quota-glance.is-danger .qg-pct { color: var(--danger); }
.quota-glance.is-danger .qg-track i {
  background: linear-gradient(90deg, #a95a63, var(--danger));
}

@keyframes quotaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 128, 138, 0); }
  50% { box-shadow: 0 0 0 3px rgba(201, 128, 138, 0.08); }
}

.clock {
  font-family: var(--mono);
  font-size: calc(12px * var(--fs));
  color: var(--muted);
  padding: 0 10px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  border-right: 1px solid var(--line-soft);
  margin-right: 4px;
  font-variant-numeric: tabular-nums;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--text) 3%, transparent);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.icon-btn svg { width: 16px; height: 16px; }

.icon-btn:hover {
  color: var(--text);
  background: color-mix(in srgb, var(--text) 7%, transparent);
  border-color: var(--line-strong);
}

.icon-btn:active { transform: scale(0.94); }

.icon-btn.is-spinning svg { animation: spin 0.9s linear; }

/* ---------------- 视图切换 ---------------- */

.view { display: none; }

.view.is-active {
  display: block;
  animation: viewIn 0.42s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

@keyframes viewIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

/* ---------------- 概览 ---------------- */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.stat { padding: 19px 20px 16px; overflow: hidden; }

.stat-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: calc(11.5px * var(--fs));
  color: var(--muted);
}

.stat strong {
  display: block;
  margin: 14px 0 12px;
  font-size: calc(clamp(28px, 2.6vw, 36px) * var(--fs));
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(150deg, #ffffff 30%, #b9c9c3);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.stat-foot {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  font-size: calc(11px * var(--fs));
  color: var(--muted-2);
}

.stat-foot b { color: var(--muted); font-weight: 500; }

.spark {
  display: inline-flex;
  align-items: flex-end;
  gap: 2px;
  height: 24px;
  flex: none;
}

.spark i {
  width: 3px;
  min-height: 2px;
  border-radius: 1px;
  background: color-mix(in srgb, var(--accent) 45%, transparent);
  transition: height 0.4s ease;
}

.spark i:last-child { background: var(--mint); }
.spark.accent i { background: rgba(194, 163, 119, 0.28); }
.spark.accent i:last-child { background: var(--amber); }
.spark.violet i { background: rgba(154, 148, 174, 0.28); }
.spark.violet i:last-child { background: var(--violet); }

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 14px;
  margin-bottom: 14px;
}

.quick, .usage, .list-card, .create, .editor, .notes { padding: 22px 24px; }

.quick-form {
  display: flex;
  gap: 9px;
}

.quick-form input { flex: 1; }

.quick-result {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 8px 8px 8px 13px;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--accent) 18%, transparent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  animation: viewIn 0.3s ease both;
}

.quick-result .mono {
  flex: 1;
  min-width: 0;
  font-size: calc(12px * var(--fs));
  color: var(--mint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trend {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 52px;
  margin-top: 20px;
  padding-top: 6px;
  border-top: 1px solid var(--line-soft);
}

.trend span {
  flex: 1;
  border-radius: 3px 3px 1px 1px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 50%, transparent), color-mix(in srgb, var(--accent) 6%, transparent));
  min-height: 3px;
  transition: height 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.trend span:last-child { background: linear-gradient(180deg, var(--mint), color-mix(in srgb, var(--accent) 14%, transparent)); }

.meter-row { margin-bottom: 17px; }

.meter-label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  font-size: calc(11.5px * var(--fs));
  color: var(--muted);
}

.meter-label b { font-weight: 500; font-family: var(--mono); font-size: calc(10.5px * var(--fs)); color: var(--muted-2); }

.meter {
  height: 5px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  overflow: hidden;
}

.meter i {
  display: block;
  height: 100%;
  min-width: 2px;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent-2), var(--mint));
  transition: width 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.meter i.violet { background: linear-gradient(90deg, #7d6cf0, var(--violet)); }
.meter i.amber { background: linear-gradient(90deg, #b08c50, var(--amber)); }

.usage-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--line-soft);
  font-size: calc(11px * var(--fs));
  line-height: 1.55;
  color: var(--muted-2);
}

.usage-note .dot { margin-top: 5px; }

.activity-list, .paste-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.activity-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: calc(12.5px * var(--fs));
}
.activity-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.activity-list li:first-child { padding-top: 0; }

.act-icon {
  display: grid;
  place-items: center;
  width: 27px; height: 27px;
  border-radius: 8px;
  flex: none;
  background: color-mix(in srgb, var(--text) 4%, transparent);
  border: 1px solid var(--line-soft);
  font-size: calc(10px * var(--fs));
  font-family: var(--mono);
  color: var(--mint);
}
.act-icon.file { color: var(--amber); }
.act-icon.paste { color: var(--violet); }

.act-body { min-width: 0; flex: 1; }
.act-body strong { display: block; font-weight: 500; font-size: calc(12.5px * var(--fs)); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.act-body span { font-size: calc(10.5px * var(--fs)); color: var(--muted-2); }
.act-time { font-size: calc(10.5px * var(--fs)); color: var(--muted-2); font-family: var(--mono); white-space: nowrap; }

.shortcuts { padding: 22px 20px; }

.shortcut {
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  padding: 12px 12px;
  margin-bottom: 6px;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  color: inherit;
  font: inherit;
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.shortcut:last-child { margin-bottom: 0; }

.shortcut:hover {
  background: color-mix(in srgb, var(--text) 4%, transparent);
  border-color: var(--line);
  transform: translateX(2px);
}

.shortcut-icon {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 11px;
  flex: none;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--text) 4%, transparent);
}
.shortcut-icon svg { width: 18px; height: 18px; }
.shortcut-icon.mint { color: var(--mint); background: color-mix(in srgb, var(--accent) 8%, transparent); border-color: color-mix(in srgb, var(--accent) 16%, transparent); }
.shortcut-icon.violet { color: var(--violet); background: rgba(154, 148, 174, 0.08); border-color: rgba(154, 148, 174, 0.16); }
.shortcut-icon.amber { color: var(--amber); background: rgba(194, 163, 119, 0.08); border-color: rgba(194, 163, 119, 0.16); }

.shortcut-body { flex: 1; min-width: 0; }
.shortcut-body strong { display: block; font-size: calc(13px * var(--fs)); font-weight: 500; }
.shortcut-body em { font-style: normal; font-size: calc(11px * var(--fs)); color: var(--muted-2); }
.shortcut-arrow { color: var(--muted-2); font-size: calc(14px * var(--fs)); transition: transform 0.2s ease, color 0.2s ease; }
.shortcut:hover .shortcut-arrow { transform: translateX(3px); color: var(--mint); }

/* ---------------- 表格 ---------------- */

.create { margin-bottom: 14px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.span-2 { grid-column: span 2; }

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 2px;
}

.form-hint { font-size: calc(11px * var(--fs)); color: var(--muted-2); }

.table-wrap { overflow-x: auto; }

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: calc(12.5px * var(--fs));
}

.table th {
  text-align: left;
  font-weight: 500;
  font-size: calc(10.5px * var(--fs));
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted-2);
  padding: 0 12px 11px;
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}

.table tbody tr:last-child td { border-bottom: 0; }

.table tbody tr { transition: background 0.18s ease; }
.table tbody tr:hover { background: color-mix(in srgb, var(--text) 2%, transparent); }

.ta-r { text-align: right; }

.code-pill {
  display: inline-flex;
  align-items: center;
  height: 24px;
  padding: 0 9px;
  border-radius: 7px;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--mint);
  font-family: var(--mono);
  font-size: calc(11.5px * var(--fs));
  cursor: pointer;
  transition: background 0.2s ease;
  white-space: nowrap;
}
.code-pill:hover { background: color-mix(in srgb, var(--accent) 15%, transparent); }

.target {
  display: block;
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
}
.target:hover { color: var(--text); }

.muted-cell { color: var(--muted-2); font-size: calc(11.5px * var(--fs)); white-space: nowrap; }

.row-actions { display: inline-flex; gap: 5px; }

.mini-btn {
  display: inline-grid;
  place-items: center;
  min-width: 27px;
  height: 27px;
  padding: 0 8px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: calc(11px * var(--fs));
  cursor: pointer;
  transition: all 0.18s ease;
}
.mini-btn:hover { color: var(--text); background: color-mix(in srgb, var(--text) 6%, transparent); }
.mini-btn.danger:hover { color: var(--danger); border-color: rgba(201, 128, 138, 0.3); background: rgba(201, 128, 138, 0.08); }

.empty {
  padding: 46px 20px 40px;
  text-align: center;
  color: var(--muted-2);
}

.empty-mark {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: calc(26px * var(--fs));
  letter-spacing: -0.04em;
  color: rgba(255, 255, 255, 0.13);
}
.empty p { font-size: calc(12.5px * var(--fs)); }

/* ---------------- 文件 ---------------- */

.drop-card {
  padding: 0;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.drop-card.is-drag {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--line-strong));
  background: color-mix(in srgb, var(--accent) 4%, transparent);
}

.drop-inner {
  padding: 36px 24px 30px;
  text-align: center;
}

.drop-orb {
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  margin: 0 auto 16px;
  border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: color-mix(in srgb, var(--text) 4%, transparent);
  color: var(--accent);
  transition: transform 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.drop-orb svg { width: 23px; height: 23px; }
.drop-card.is-drag .drop-orb { transform: translateY(-3px) scale(1.05); }

.drop-inner h2 { font-size: calc(17px * var(--fs)); font-weight: 600; letter-spacing: -0.02em; }
.drop-inner p { margin-top: 5px; font-size: calc(12px * var(--fs)); color: var(--muted-2); }

.drop-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.upload-progress {
  padding: 14px 24px 18px;
  border-top: 1px solid var(--line-soft);
  background: rgba(8, 11, 17, 0.35);
}

.progress-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
  font-size: calc(11.5px * var(--fs));
  color: var(--muted);
}

.progress-head span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.progress-head b { font-family: var(--mono); font-weight: 500; color: var(--mint); }

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}

.file-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 13px 14px;
  border-radius: 13px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--text) 2%, transparent);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.file-item:hover {
  border-color: var(--line);
  background: color-mix(in srgb, var(--text) 4%, transparent);
  transform: translateY(-1px);
}

.file-top { display: flex; align-items: center; gap: 10px; min-width: 0; }

.file-thumb {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 9px;
  flex: none;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--text) 4%, transparent);
  color: var(--amber);
  font-family: var(--mono);
  font-size: calc(9px * var(--fs));
  letter-spacing: 0.02em;
}
.file-thumb img { width: 100%; height: 100%; object-fit: cover; }

.file-name {
  font-size: calc(12.5px * var(--fs));
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: calc(10.5px * var(--fs));
  color: var(--muted-2);
}

.file-meta .sep { width: 2px; height: 2px; border-radius: 50%; background: var(--muted-2); opacity: 0.6; }

.file-actions { display: flex; gap: 5px; margin-top: 2px; }

/* ---------------- 粘贴 ---------------- */

.paste-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  gap: 14px;
  align-items: start;
}

.editor textarea {
  height: 300px;
  padding: 16px;
  resize: vertical;
  line-height: 1.7;
  font-family: var(--mono);
  font-size: calc(12.5px * var(--fs));
  background: rgba(8, 11, 17, 0.6);
}

.editor-foot {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.editor-foot .btn-primary { margin-left: auto; }

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: calc(11.5px * var(--fs));
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.switch input { position: absolute; opacity: 0; pointer-events: none; }

.switch-track {
  position: relative;
  width: 32px; height: 18px;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--text) 5%, transparent);
  transition: background 0.2s ease, border-color 0.2s ease;
  flex: none;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.2s ease;
}

.switch input:checked + .switch-track {
  background: rgba(194, 163, 119, 0.18);
  border-color: rgba(194, 163, 119, 0.4);
}
.switch input:checked + .switch-track::after {
  transform: translateX(14px);
  background: var(--amber);
}

.paste-list li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}
.paste-list li:first-child { padding-top: 0; }
.paste-list li:last-child { border-bottom: 0; padding-bottom: 0; }

.paste-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}

.paste-preview {
  font-family: var(--mono);
  font-size: calc(11.5px * var(--fs));
  line-height: 1.6;
  color: var(--muted);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-all;
}

.paste-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: calc(10.5px * var(--fs));
  color: var(--muted-2);
  flex-wrap: wrap;
}

.burn-tag {
  display: inline-flex;
  align-items: center;
  height: 18px;
  padding: 0 6px;
  border-radius: 5px;
  font-size: calc(9.5px * var(--fs));
  letter-spacing: 0.04em;
  color: var(--amber);
  background: rgba(194, 163, 119, 0.1);
  border: 1px solid rgba(194, 163, 119, 0.22);
}

/* ---------------- 系统 ---------------- */

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.service {
  padding: 18px 19px 16px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.service:hover { transform: translateY(-2px); border-color: var(--line-strong); }

.service-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 11px;
}

.service-tag {
  font-family: var(--mono);
  font-size: calc(11.5px * var(--fs));
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
  padding: 3px 8px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--text) 5%, transparent);
  border: 1px solid var(--line-soft);
}

.service p { font-size: calc(12px * var(--fs)); line-height: 1.65; color: var(--muted); }

.service-foot {
  margin-top: 13px;
  padding-top: 11px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--mono);
  font-size: calc(10px * var(--fs));
  color: var(--muted-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notes { padding: 22px 24px; }

.note-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 26px;
}

.note-list li {
  position: relative;
  padding-left: 16px;
  font-size: calc(12px * var(--fs));
  line-height: 1.7;
  color: var(--muted);
}

.note-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 60%, transparent);
}

.note-list b { color: var(--text); font-weight: 500; }

/* ---------------- 免费额度 ---------------- */

.head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

.usage-mini {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.usage-mini .meter-row { margin-bottom: 0; }

.usage-mini-empty {
  font-size: calc(12px * var(--fs));
  line-height: 1.75;
  color: var(--muted-2);
}

.usage-mini-empty .mini-cta {
  display: inline;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: var(--mint);
  cursor: pointer;
}
.usage-mini-empty .mini-cta:hover { text-decoration: underline; }

.quota-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.quota-state {
  display: flex;
  align-items: center;
  gap: 13px;
  flex-wrap: wrap;
}

.quota-meta { font-size: calc(12px * var(--fs)); color: var(--muted); }

.quota-actions { display: flex; gap: 8px; }

.quota-grid { grid-template-columns: repeat(auto-fill, minmax(286px, 1fr)); }

.quota-card {
  padding: 18px 19px 16px;
  display: flex;
  flex-direction: column;
}

.quota-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.quota-name {
  font-size: calc(13.5px * var(--fs));
  font-weight: 600;
  letter-spacing: -0.012em;
}

.quota-tagline {
  margin-top: 3px;
  font-size: calc(11px * var(--fs));
  color: var(--muted-2);
}

.quota-flag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 20px;
  padding: 0 7px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--text) 4%, transparent);
  font-size: calc(9.5px * var(--fs));
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
  flex: none;
}
.quota-flag.ok {
  color: var(--mint);
  border-color: color-mix(in srgb, var(--accent) 20%, transparent);
  background: color-mix(in srgb, var(--accent) 7%, transparent);
}
.quota-flag.warn {
  color: var(--amber);
  border-color: rgba(194, 163, 119, 0.22);
  background: rgba(194, 163, 119, 0.08);
}
.quota-flag.error {
  color: var(--danger);
  border-color: rgba(201, 128, 138, 0.22);
  background: rgba(201, 128, 138, 0.07);
}

.quota-metrics {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 15px;
}

.quota-metric .meter-label {
  margin-bottom: 7px;
  font-size: calc(11.5px * var(--fs));
}

.quota-metric .meter-label b {
  font-family: var(--mono);
  font-size: calc(10.5px * var(--fs));
  font-weight: 400;
  color: var(--muted-2);
}

.meter.tall { height: 6px; }

.meter i.warn {
  background: linear-gradient(90deg, #b08c50, var(--amber));
}

.meter i.danger {
  background: linear-gradient(90deg, #a95a63, var(--danger));
}

.quota-note {
  margin-top: auto;
  padding-top: 12px;
  font-size: calc(10.5px * var(--fs));
  line-height: 1.65;
  color: var(--muted-2);
}

.quota-note.block {
  margin-top: 13px;
  padding: 10px 11px;
  border-top: 0;
  border-radius: 8px;
  border: 1px solid rgba(201, 128, 138, 0.16);
  background: rgba(201, 128, 138, 0.055);
  color: #f0b3bb;
  word-break: break-word;
}

.usage-empty {
  padding: 46px 28px 42px;
  margin-bottom: 14px;
  text-align: center;
}

.usage-empty h2 {
  margin-bottom: 8px;
  font-size: calc(16px * var(--fs));
  font-weight: 600;
  letter-spacing: -0.015em;
}

.usage-empty p {
  max-width: 460px;
  margin: 0 auto 20px;
  font-size: calc(12.5px * var(--fs));
  line-height: 1.7;
  color: var(--muted);
}

/* ---------------- 设置 ---------------- */

.settings-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 14px;
  align-items: start;
}

.settings-card { padding: 22px 24px; }

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.settings-status {
  margin-top: 18px;
  padding: 10px 12px;
  border-radius: 9px;
  border: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--text) 2%, transparent);
  font-size: calc(11.5px * var(--fs));
  line-height: 1.6;
  color: var(--muted-2);
}

.settings-status.ok {
  color: var(--mint);
  border-color: color-mix(in srgb, var(--accent) 20%, transparent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}

.settings-status.error {
  color: #f0b3bb;
  border-color: rgba(201, 128, 138, 0.22);
  background: rgba(201, 128, 138, 0.06);
}

.link-btn {
  margin-top: 14px;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  font-size: calc(11.5px * var(--fs));
  color: var(--muted-2);
  cursor: pointer;
}

.link-btn:hover { color: var(--text); text-decoration: underline; }
.link-btn.danger:hover { color: var(--danger); }

.note-list.single { grid-template-columns: minmax(0, 1fr); }

.notes code {
  font-family: var(--mono);
  font-size: calc(10.5px * var(--fs));
  padding: 1px 5px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--text) 6%, transparent);
  border: 1px solid var(--line-soft);
  color: var(--mint);
}

/* ---------------- Toast ---------------- */

.toasts {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateX(-50%);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(14, 18, 26, 0.88);
  box-shadow: 0 24px 50px -24px #000;
  backdrop-filter: blur(18px);
  font-size: calc(12.5px * var(--fs));
  color: var(--text);
  animation: toastIn 0.3s cubic-bezier(0.2, 0.8, 0.2, 1) both;
  max-width: min(90vw, 420px);
}

.toast.is-out { animation: toastOut 0.25s ease forwards; }

.toast .tick {
  display: grid;
  place-items: center;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--mint);
  font-size: calc(10px * var(--fs));
  flex: none;
}

.toast.error .tick { background: rgba(201, 128, 138, 0.15); color: var(--danger); }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(12px) scale(0.97); }
  to { opacity: 1; transform: none; }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(8px) scale(0.97); }
}

/* ---------------- 响应式 ---------------- */

@media (max-width: 1180px) {
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
  .settings-layout { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 1024px) {
  .app { grid-template-columns: 82px minmax(0, 1fr); }
  .rail { padding: 22px 12px; align-items: center; gap: 22px; }
  .brand { padding: 0; }
  .brand-text { display: none; }
  .nav { width: 100%; }
  .nav-item { justify-content: center; padding: 0; height: 44px; }
  .nav-item span { display: none; }
  .nav-item svg { width: 19px; height: 19px; }
  .nav-item.is-active::before { left: -13px; }
  .rail-footer { display: none; }
  .paste-layout { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 760px) {
  .app { grid-template-columns: minmax(0, 1fr); padding-bottom: 66px; }
  .rail {
    position: fixed;
    top: auto; bottom: 0; left: 0; right: 0;
    z-index: 30;
    height: auto;
    flex-direction: row;
    padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
    border-right: 0;
    border-top: 1px solid var(--line);
    background: color-mix(in srgb, var(--bg-soft) 94%, transparent);
    backdrop-filter: blur(24px);
  }
  .brand, .rail-footer { display: none; }
  .nav { flex-direction: row; gap: 2px; }
  .nav-item { flex: 1; height: 50px; flex-direction: column; gap: 3px; font-size: calc(9px * var(--fs)); padding: 0 2px; border-radius: 10px; }
  .nav-item span { display: block; }
  .nav-item svg { width: 18px; height: 18px; }
  .nav-item.is-active::before { display: none; }
  .main { padding: 24px 16px 40px; }
  .topbar { margin-bottom: 22px; flex-wrap: wrap; gap: 14px; }
  .topbar-title { min-width: 0; }
  .top-actions { width: 100%; padding-top: 0; justify-content: space-between; }
  .quota-glance { flex: 1; width: auto; }
  .clock { display: none; }
  .quota-glance { padding: 6px 9px 7px; }
  .quota-glance .qg-name { font-size: calc(9.5px * var(--fs)); }
  .stats-grid { gap: 10px; }
  .stat { padding: 16px 16px 13px; }
  .stat strong { margin: 11px 0 10px; }
  .quick, .usage, .list-card, .create, .editor, .notes { padding: 18px 16px; }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .span-2 { grid-column: auto; }
  .quick-form { flex-direction: column; }
  .quick-form .btn { width: 100%; }
  .card-head { margin-bottom: 18px; }
  .note-list { grid-template-columns: minmax(0, 1fr); }
  .file-grid { grid-template-columns: minmax(0, 1fr); }
  .quota-grid { grid-template-columns: minmax(0, 1fr); }
  .quota-hero { padding: 15px 16px; }
  .quota-actions { width: 100%; }
  .quota-actions .btn { flex: 1; }
  .form-actions { flex-direction: column; align-items: stretch; }
  .form-actions .btn { width: 100%; }
  .form-hint { display: none; }
  .editor-foot { gap: 12px; }
  .editor-foot .btn-primary { margin-left: 0; width: 100%; }
  .drop-inner { padding: 28px 18px 24px; }
  .login-card { padding: 32px 24px 26px; }
}

/* ==================================================================
   外观设置面板
   ================================================================== */

.appearance-card { padding: 24px 26px 22px; margin-bottom: 18px; }

.appearance-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: 22px 26px;
}

.appearance-group { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.appearance-group:first-child { grid-column: 1 / -1; }

.appearance-label {
  font-size: calc(11px * var(--fs));
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.theme-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.theme-option {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 9px 9px 8px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: color-mix(in srgb, var(--text) 3%, transparent);
  color: var(--muted);
  font: inherit;
  font-size: calc(11.5px * var(--fs));
  cursor: pointer;
  text-align: left;
  transition: border-color 0.24s ease, transform 0.24s ease, box-shadow 0.28s ease,
    background 0.24s ease;
}

.theme-option:hover { border-color: var(--line-strong); }

.theme-option.is-active {
  border-color: color-mix(in srgb, var(--accent) 60%, var(--line-strong));
  color: var(--text);
  background: color-mix(in srgb, var(--text) 6%, transparent);
}

.theme-option.is-active::after {
  content: "✓";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 16px;
  height: 16px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 10.5px;
  font-weight: 700;
  line-height: 1;
  z-index: 2;
}

.theme-preview {
  position: relative;
  display: block;
  height: 46px;
  border-radius: 8px;
  border: 1px solid var(--line);
  overflow: hidden;
}

.theme-preview i {
  position: absolute;
  display: block;
  border-radius: 3px;
}

.theme-preview i:nth-child(1) {
  left: 7px; top: 7px; width: 11px; height: 26px;
  background: color-mix(in srgb, var(--text) 16%, transparent);
}

.theme-preview i:nth-child(2) {
  left: 23px; top: 7px; right: 7px; height: 9px;
  background: color-mix(in srgb, var(--text) 24%, transparent);
}

.theme-preview i:nth-child(3) {
  left: 23px; bottom: 7px; right: 18px; height: 9px;
  background: color-mix(in srgb, var(--text) 12%, transparent);
}

.theme-preview[data-preview="noir"] {
  background: linear-gradient(160deg, #171c21, #0b0d10 72%);
}
.theme-preview[data-preview="noir"] i:nth-child(2) { background: #8fbca6; opacity: 0.85; }

.theme-preview[data-preview="violet"] {
  background: linear-gradient(160deg, #1b1726, #0d0b12 72%);
}
.theme-preview[data-preview="violet"] i:nth-child(2) { background: #a99ac8; opacity: 0.85; }

.theme-preview[data-preview="amber"] {
  background: linear-gradient(160deg, #221c15, #100d0a 72%);
}
.theme-preview[data-preview="amber"] i:nth-child(2) { background: #c9a97c; opacity: 0.85; }

.theme-preview[data-preview="ivory"] {
  background: linear-gradient(160deg, #ffffff, #eeece6 76%);
  border-color: rgba(23, 27, 35, 0.12);
}
.theme-preview[data-preview="ivory"] i:nth-child(1) { background: rgba(23, 27, 35, 0.12); }
.theme-preview[data-preview="ivory"] i:nth-child(2) { background: #4d7f6b; opacity: 0.85; }
.theme-preview[data-preview="ivory"] i:nth-child(3) { background: rgba(23, 27, 35, 0.16); }

.font-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(78px, 1fr));
  gap: 8px;
}

.font-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 9px 6px 7px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: color-mix(in srgb, var(--text) 3%, transparent);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.22s ease, color 0.22s ease, transform 0.22s ease,
    background 0.22s ease;
}

.font-option b {
  font-size: calc(16px * var(--fs));
  font-weight: 500;
  color: var(--text);
  line-height: 1.2;
}

.font-option span { font-size: calc(10.5px * var(--fs)); }

.font-option:hover { border-color: var(--line-strong); transform: translateY(-1px); }

.font-option.is-active {
  border-color: color-mix(in srgb, var(--accent) 48%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: color-mix(in srgb, var(--accent) 45%, var(--text));
}

.size-options {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.size-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 9px 4px 7px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: color-mix(in srgb, var(--text) 3%, transparent);
  color: var(--muted);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.size-option b { color: var(--text); font-weight: 500; line-height: 1.3; }
.size-option span { font-size: calc(11px * var(--fs)); }
.size-option em { font-style: normal; font-size: calc(9.5px * var(--fs)); color: var(--muted-2); }

.size-option:hover { border-color: var(--line-strong); transform: translateY(-1px); }

.size-option.is-active {
  border-color: color-mix(in srgb, var(--accent) 48%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.size-option.is-active span { color: color-mix(in srgb, var(--accent) 45%, var(--text)); }

.appearance-preview {
  position: relative;
  margin-top: 20px;
  padding: 15px 16px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--text) 2.5%, transparent);
}

.preview-tag {
  position: absolute;
  top: -8px;
  left: 13px;
  padding: 0 7px;
  background: var(--bg);
  font-size: calc(9.5px * var(--fs));
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.appearance-preview p { margin: 0 0 10px; color: var(--muted); }
.appearance-preview p strong { color: var(--text); font-weight: 600; }
.preview-pills { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }

/* ==================================================================
   浅色主题补丁
   ================================================================== */

:root[data-theme="ivory"] .brand-mark {
  background: rgba(255, 255, 255, 0.7);
}

:root[data-theme="ivory"] .btn-primary {
  background: linear-gradient(140deg, color-mix(in srgb, var(--accent) 92%, white), var(--accent-2));
}

/* 浅色主题下输入框需要实底与更清晰的描边 */
:root[data-theme="ivory"] input[type="text"],
:root[data-theme="ivory"] input[type="url"],
:root[data-theme="ivory"] input[type="password"],
:root[data-theme="ivory"] select,
:root[data-theme="ivory"] textarea {
  background: #fffefb;
  border-color: rgba(23, 27, 35, 0.24);
  box-shadow: 0 1px 2px rgba(23, 27, 35, 0.06) inset;
}

:root[data-theme="ivory"] input::placeholder,
:root[data-theme="ivory"] textarea::placeholder { color: rgba(23, 27, 35, 0.38); }

:root[data-theme="ivory"] input:focus,
:root[data-theme="ivory"] select:focus,
:root[data-theme="ivory"] textarea:focus {
  background: #fff;
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 16%, transparent);
}

:root[data-theme="ivory"] .card {
  border-color: rgba(23, 27, 35, 0.14);
}

:root[data-theme="ivory"] .sidebar,
:root[data-theme="ivory"] .card {
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
}

:root[data-theme="ivory"] ::selection { background: color-mix(in srgb, var(--accent) 26%, transparent); color: #0b1a15; }

:root[data-theme="ivory"] ::-webkit-scrollbar-thumb {
  background: rgba(23, 27, 35, 0.18);
}

:root[data-theme="ivory"] .stat strong,
:root[data-theme="ivory"] .topbar-title h1 { color: var(--text); }

:root[data-theme="ivory"] .grain { opacity: 0.05; }

/* ==================================================================
   细节：滚动条 / 选中 / 焦点 / 首屏
   ================================================================== */

::selection {
  background: color-mix(in srgb, var(--accent) 22%, transparent);
  color: var(--text);
}

::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  border: 2px solid transparent;
  background-clip: content-box;
  border-radius: 99px;
  background-color: color-mix(in srgb, var(--text) 16%, transparent);
}
::-webkit-scrollbar-thumb:hover { background-color: color-mix(in srgb, var(--text) 28%, transparent); }

:where(button, a, input, textarea, select):focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}

/* 页面进入时的轻微淡入，让切换更自然 */
.view.is-active > * {
  animation: riseIn 0.4s ease both;
}

.view.is-active > *:nth-child(2) { animation-delay: 0.04s; }
.view.is-active > *:nth-child(3) { animation-delay: 0.08s; }
.view.is-active > *:nth-child(4) { animation-delay: 0.11s; }

@keyframes riseIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 1080px) {
  .appearance-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 720px) {
  .appearance-card { padding: 20px 16px 18px; }
  .theme-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .size-options { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .aurora::before, .glow, .quota-glance.is-danger { animation: none !important; }
  .card:hover { transform: none; }
  .view.is-active > * { animation: none; }
}

/* 标题与数字保持实色，不做过度的光泽处理 */
.stat strong {
  font-variant-numeric: tabular-nums;
}

.brand-mark {
  position: relative;
  overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}