/* ============================================================
   效率工具箱 v2 · 液态玻璃设计系统（全面升级）
   深浅双主题 · 强调色 · 动效 · 命令面板
   ============================================================ */
:root {
  --radius-sm: 10px; --radius-md: 16px; --radius-lg: 22px; --radius-xl: 28px; --radius-pill: 999px;
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 24px; --space-6: 32px; --space-7: 48px; --space-8: 64px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", ui-monospace, "JetBrains Mono", "Cascadia Code", Consolas, monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --blur-glass: blur(32px) saturate(200%);
  --accent: #0a84ff; --accent-press: #409cff; --accent-soft: rgba(10,132,255,0.2); --accent-rgb: 10,132,255; --on-accent: #fff;
}
[data-theme="light"] {
  --bg-base: #e9edf5; --bg-grad-a: #aac4ff; --bg-grad-b: #ffc6e6; --bg-grad-c: #b8ffe0; --bg-grad-d: #fff0b5; --bg-grad-e: #d6c4ff;
  --text: #1d1d1f; --text-muted: #6e6e73; --text-faint: #98989d;
  --glass-bg: rgba(255,255,255,0.58); --glass-bg-strong: rgba(255,255,255,0.78);
  --glass-border: rgba(255,255,255,0.72); --glass-highlight: rgba(255,255,255,1);
  --glass-shadow: 0 12px 44px rgba(31,38,90,0.18), 0 2px 10px rgba(31,38,90,0.08);
  --glass-inner: inset 0 1.5px 0 rgba(255,255,255,0.95), inset 0 -1px 0 rgba(0,0,0,0.04), inset 0 0 0 0.5px rgba(255,255,255,0.35);
  --track: rgba(120,120,128,0.18); --divider: rgba(60,60,67,0.12);
  --sb-bg: rgba(255,255,255,0.55); --shadow-card: 0 18px 50px rgba(31,38,90,0.18);
  --field-bg: rgba(255,255,255,0.55);
}
[data-theme="dark"] {
  --bg-base: #07070b; --bg-grad-a: #1c2f7a; --bg-grad-b: #6b1b53; --bg-grad-c: #0f5147; --bg-grad-d: #6b4a12; --bg-grad-e: #3a1b6b;
  --text: #fafafa; --text-muted: #c7c7cc; --text-faint: #a1a1a6;
  --glass-bg: rgba(28,28,36,0.52); --glass-bg-strong: rgba(40,40,50,0.74);
  --glass-border: rgba(255,255,255,0.16); --glass-highlight: rgba(255,255,255,0.36);
  --glass-shadow: 0 18px 54px rgba(0,0,0,0.62), 0 2px 12px rgba(0,0,0,0.45);
  --glass-inner: inset 0 1.5px 0 rgba(255,255,255,0.18), inset 0 -1px 0 rgba(0,0,0,0.35), inset 0 0 0 0.5px rgba(255,255,255,0.10);
  --track: rgba(120,120,128,0.3); --divider: rgba(84,84,88,0.4);
  --sb-bg: rgba(30,30,38,0.5); --shadow-card: 0 18px 50px rgba(0,0,0,0.55);
  --field-bg: rgba(255,255,255,0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
button { font-family: inherit; } /* 所有按钮继承应用字体，避免浏览器默认字体显得突兀 */
body {
  font-family: var(--font); background: var(--bg-base); color: var(--text);
  line-height: 1.55; overflow: hidden; -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background 0.6s var(--ease), color 0.4s var(--ease);
}
.no-motion *, .no-motion *::before, .no-motion *::after { animation: none !important; transition: none !important; }
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-thumb { background: var(--track); border-radius: 999px; border: 3px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: padding-box; }

/* ===== 背景光斑 ===== */
.bg-orbs { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: 0.85; will-change: transform; }
[data-theme="dark"] .orb { opacity: 0.6; filter: blur(120px); }
.orb.o1 { width: 50vw; height: 50vw; top: -12vw; left: -10vw; background: var(--bg-grad-a); animation: drift1 26s var(--ease) infinite alternate; }
.orb.o2 { width: 44vw; height: 44vw; top: 6vw; right: -12vw; background: var(--bg-grad-b); animation: drift2 32s var(--ease) infinite alternate; }
.orb.o3 { width: 42vw; height: 42vw; bottom: -14vw; left: 16vw; background: var(--bg-grad-c); animation: drift3 30s var(--ease) infinite alternate; }
.orb.o4 { width: 34vw; height: 34vw; bottom: 2vw; right: 4vw; background: var(--bg-grad-d); animation: drift1 36s var(--ease) infinite alternate-reverse; }
.orb.o5 { width: 30vw; height: 30vw; top: 30vh; left: 40vw; background: var(--bg-grad-e); animation: drift2 28s var(--ease) infinite alternate; }
@keyframes drift1 { to { transform: translate(8vw, 6vh) scale(1.15); } }
@keyframes drift2 { to { transform: translate(-7vw, 9vh) scale(1.1); } }
@keyframes drift3 { to { transform: translate(6vw, -7vh) scale(1.2); } }
.cursor-glow {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--accent-rgb),0.14), transparent 60%);
  filter: blur(20px); transition: opacity 0.4s; opacity: 0.9;
}

/* ===== 玻璃基类 ===== */
.glass {
  background-color: var(--glass-bg);
  background-image: linear-gradient(155deg, rgba(255,255,255,0.14) 0%, rgba(255,255,255,0.02) 34%, transparent 60%);
  backdrop-filter: var(--blur-glass); -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--glass-border); box-shadow: var(--glass-shadow), var(--glass-inner);
  position: relative; overflow: hidden;
}
[data-theme="dark"] .glass { background-image: linear-gradient(155deg, rgba(255,255,255,0.09) 0%, rgba(255,255,255,0.015) 36%, transparent 62%); }
.glass::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(160deg, var(--glass-highlight) 0%, transparent 24%);
  opacity: 0.55;
}
/* 悬浮扫光：玻璃面板悬停时高光滑动，强化“液态”质感 */
.glass::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.22) 48%, transparent 64%);
  background-size: 260% 100%; background-position: 120% 0;
  opacity: 0; transition: opacity 0.5s var(--ease);
}
[data-theme="dark"] .glass::before { background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,0.10) 48%, transparent 64%); background-size: 260% 100%; }
.glass:hover::before { opacity: 0.55; animation: glassSheen 1.6s var(--ease); }
@keyframes glassSheen { from { background-position: 120% 0; } to { background-position: -120% 0; } }

/* ===== App 布局 ===== */
.app { position: relative; z-index: 1; height: 100vh; display: flex; flex-direction: column; padding: 10px; gap: 10px; }

/* 标题栏 */
.titlebar { height: 46px; flex: 0 0 46px; border-radius: var(--radius-md); padding: 0 8px 0 14px; display: flex; align-items: center; justify-content: space-between; }
.web-mode .titlebar { -webkit-app-region: initial; }
.title-left { display: flex; align-items: center; gap: 10px; }
.logo { width: 28px; height: 28px; border-radius: 9px; background: linear-gradient(140deg, var(--accent), #6a5cff);
        display: grid; place-items: center; color: #fff; font-size: 16px; box-shadow: 0 4px 14px rgba(var(--accent-rgb),0.5); }
.title-text { font-weight: 650; font-size: 14.5px; letter-spacing: -0.01em; }
.brand-badge { font-size: 10px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); letter-spacing: 0.03em; }
.title-right { display: flex; align-items: center; gap: 8px; }
/* 苹果风格红绿灯窗口按钮：红=关闭 / 黄=最小化 / 绿=最大化（悬停显符号） */
.win-btn { width: 12px; height: 12px; padding: 0; border: none; border-radius: 50%; position: relative; background: #b3b3b3; cursor: pointer; display: grid; place-items: center; box-shadow: inset 0 0 0 .5px rgba(0,0,0,.18); transition: filter .15s var(--ease); -webkit-app-region: no-drag; }
.win-btn.close { background: #ff5f57; }
.win-btn.min   { background: #febc2e; }
.win-btn.max   { background: #28c840; }
.win-btn svg { width: 8px; height: 8px; stroke: rgba(0,0,0,.55); fill: none; stroke-width: 2.4; stroke-linecap: round; opacity: 0; transition: opacity .12s var(--ease); }
.title-right:hover .win-btn svg { opacity: 1; }
.win-btn:hover { filter: brightness(.94); }

/* 主体 */
.app-body { flex: 1 1 auto; display: flex; gap: 10px; min-height: 0; }

/* 侧边栏 */
.sidebar { width: 224px; flex: 0 0 224px; padding: var(--space-4) var(--space-3); display: flex; flex-direction: column; gap: 2px; border-radius: var(--radius-lg); }
.nav { display: flex; flex-direction: column; gap: 3px; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: var(--radius-md);
            color: var(--text-muted); font-size: 14px; font-weight: 550; background: transparent; border: none; width: 100%; text-align: left; cursor: pointer; transition: background 0.22s var(--ease), color 0.22s var(--ease), transform 0.2s var(--ease); }
.nav-item .ni { width: 20px; height: 20px; flex: 0 0 20px; }
.nav-item:hover { background: var(--accent-soft); color: var(--text); }
.nav-item.active { background: var(--glass-bg-strong); color: var(--text); font-weight: 650; box-shadow: var(--glass-inner); }
.nav-item.active .ni { color: var(--accent); }
.nav-count { margin-left: auto; font-size: 11px; font-weight: 600; color: var(--text-faint); background: var(--track); padding: 1px 8px; border-radius: 999px; }
.sidebar-foot { margin-top: auto; padding-top: var(--space-3); border-top: 1px solid var(--divider); display: flex; flex-direction: column; gap: 6px; }
.tag-pill { font-size: 11px; color: var(--text-faint); text-align: center; margin-top: 4px; }

/* 主区 */
.main { flex: 1 1 auto; border-radius: var(--radius-lg); display: flex; flex-direction: column; min-width: 0; }
.topbar { flex: 0 0 auto; display: flex; align-items: center; gap: var(--space-4); padding: var(--space-3) var(--space-5); border-bottom: 1px solid var(--divider); }
.crumb { font-size: 14px; font-weight: 600; color: var(--text-muted); white-space: nowrap; min-width: 0; overflow: hidden; text-overflow: ellipsis; max-width: 32%; }
.search-wrap { flex: 1; display: flex; align-items: center; gap: 8px; max-width: 460px; margin-inline: auto; background: var(--field-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-pill); height: 38px; padding: 0 14px; transition: box-shadow 0.2s var(--ease), border-color 0.2s var(--ease); }
.search-wrap:focus-within { box-shadow: 0 0 0 3px var(--accent-soft); border-color: var(--accent); }
.search-ico { width: 16px; height: 16px; stroke: var(--text-faint); fill: none; stroke-width: 2; flex: 0 0 16px; }
.search-input { flex: 1; border: none; background: transparent; color: var(--text); font-family: var(--font); font-size: 13.5px; outline: none; min-width: 0; }
.search-input::placeholder { color: var(--text-faint); }
.search-kbd { font-size: 11px; color: var(--text-faint); background: var(--track); padding: 2px 7px; border-radius: 6px; font-family: var(--mono); }
.theme-toggle { width: 38px; height: 38px; border: 1px solid var(--glass-border); background: var(--field-bg); color: var(--text); border-radius: var(--radius-pill); cursor: pointer; display: grid; place-items: center; transition: background 0.2s var(--ease), transform 0.15s var(--ease); }
.theme-toggle:hover { background: var(--accent-soft); transform: translateY(-1px); }
.theme-toggle:active { transform: translateY(0) scale(0.94); }
.theme-toggle .ico-svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.9; }

.content { flex: 1 1 auto; overflow-y: auto; padding: var(--space-5); }
.content::-webkit-scrollbar { width: 11px; }

/* ===== 视图 ===== */
.view { animation: viewIn 0.42s var(--ease-out); }
@keyframes viewIn { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* Hero */
.hero { position: relative; padding: var(--space-8) var(--space-7); text-align: center; margin-bottom: var(--space-6); border-radius: var(--radius-xl); overflow: hidden; }
.hero-glow { position: absolute; inset: 0; background: radial-gradient(circle at 50% 0%, var(--accent-soft), transparent 55%); pointer-events: none; }
.hero h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 780; letter-spacing: -0.035em; line-height: 1.05;
           background: linear-gradient(120deg, var(--text), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; position: relative; }
.hero .sub { font-size: 17px; color: var(--text-muted); margin: var(--space-4) auto 0; max-width: 580px; position: relative; }
.pill-row { display: flex; gap: var(--space-3); justify-content: center; flex-wrap: wrap; margin-top: var(--space-5); position: relative; }
.pill { font-size: 13px; font-weight: 600; padding: 7px 15px; border-radius: var(--radius-pill); background: var(--accent-soft); color: var(--accent); }
.hero-actions { display: flex; gap: var(--space-3); justify-content: center; margin-top: var(--space-6); flex-wrap: wrap; position: relative; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin: var(--space-6) var(--space-2) var(--space-4); }
.section-head h2 { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }
.section-head p { font-size: 13px; color: var(--text-muted); }

/* ===== 工具卡片 ===== */
.grid { display: grid; gap: var(--space-4); }
.tools { grid-template-columns: repeat(auto-fill, minmax(248px, 1fr)); margin: 0 var(--space-2); }
.tool { padding: var(--space-5); cursor: pointer; border-radius: var(--radius-lg); transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
        opacity: 0; animation: cardIn 0.5s var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 45ms); }
@keyframes cardIn { from { opacity: 0; transform: translateY(18px) scale(0.98); } to { opacity: 1; transform: none; } }
.tool:hover { transform: translateY(-5px); box-shadow: var(--shadow-card); border-color: var(--accent-soft); }
.tool::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity 0.3s; background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(var(--accent-rgb),0.16), transparent 45%); background-size: auto; background-position: 0 0; animation: none; }
.tool:hover::before { opacity: 1; }
.tool-top { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: var(--space-3); }
.tool .ico { width: 50px; height: 50px; border-radius: var(--radius-md); display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }
.tool .ico .ico-svg { width: 25px; height: 25px; stroke: currentColor; fill: none; stroke-width: 1.9; }
.tool h3 { font-size: 17px; font-weight: 650; letter-spacing: -0.01em; }
.tool p { font-size: 13px; color: var(--text-muted); margin-top: 5px; min-height: 36px; }
.tool-foot { margin-top: var(--space-3); }
.tool .badge { font-size: 11.5px; font-weight: 600; padding: 4px 11px; border-radius: var(--radius-pill); }
.fav-btn { width: 34px; height: 34px; border-radius: 50%; border: none; background: var(--track); color: var(--text-faint); cursor: pointer; display: grid; place-items: center; transition: all 0.2s var(--ease); }
.fav-btn .fav-svg { width: 17px; height: 17px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.fav-btn:hover { background: var(--accent-soft); color: var(--accent); transform: scale(1.1); }
.fav-btn.on { color: #ffd60a; background: rgba(255,214,10,0.16); }
.fav-btn.on .fav-svg { fill: #ffd60a; }
.badge-accent { background: var(--accent-soft); color: var(--accent); }
.badge-gray { background: var(--track); color: var(--text-muted); }

/* ===== 工具详情 ===== */
.tool-head { display: flex; align-items: center; gap: var(--space-4); padding: var(--space-4) var(--space-5); border-radius: var(--radius-lg); margin-bottom: var(--space-5); }
.back-btn { width: 40px; height: 40px; border-radius: var(--radius-md); border: 1px solid var(--glass-border); background: var(--field-bg); color: var(--text); cursor: pointer; display: grid; place-items: center; transition: background 0.2s var(--ease), transform 0.15s var(--ease); flex: 0 0 40px; }
.back-btn:hover { background: var(--accent-soft); transform: translateX(2px); }
.back-btn:active { transform: translateX(2px) scale(0.95); }
.back-btn .back-svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.9; transform: rotate(180deg); }
.th-ico { width: 48px; height: 48px; border-radius: var(--radius-md); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; flex: 0 0 48px; }
.th-ico .ico-svg { width: 25px; height: 25px; stroke: currentColor; fill: none; stroke-width: 1.9; }
.th-text { flex: 1; min-width: 0; }
.th-text h2 { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; }
.th-text p { font-size: 13.5px; color: var(--text-muted); }
.fav-btn.lg { width: 40px; height: 40px; flex: 0 0 40px; }
.tool-body { display: grid; gap: var(--space-4); }

/* view-head */
.view-head { margin: 0 var(--space-2) var(--space-5); }
.kicker { font-size: 13px; font-weight: 650; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); }
.view-head h2 { font-size: 28px; font-weight: 740; letter-spacing: -0.025em; margin-top: 5px; }
.view-head p { color: var(--text-muted); max-width: 640px; margin-top: 6px; font-size: 14px; }

/* ===== 面板（工具内部分栏） ===== */
.panel { border-radius: var(--radius-lg); padding: var(--space-5); }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); gap: var(--space-3); flex-wrap: wrap; }
.panel-head h3 { font-size: 16px; font-weight: 650; }
.panel-body { display: flex; flex-direction: column; gap: var(--space-4); }
.ctrl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: var(--space-4); }
.ctrl-box { display: flex; flex-direction: column; gap: var(--space-2); }
.ctrl-box > label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.row-stack { gap: var(--space-4); }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.row-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }

/* ===== 表单控件 ===== */
.ta, .field { width: 100%; font-family: var(--font); font-size: 13.5px; color: var(--text); background: var(--field-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); padding: 11px 14px; outline: none; transition: box-shadow 0.2s var(--ease), border-color 0.2s var(--ease); resize: vertical; }
.ta:focus, .field:focus { box-shadow: 0 0 0 3px var(--accent-soft); border-color: var(--accent); }
.ta { min-height: 200px; line-height: 1.6; font-family: var(--mono); }
.field.mono { font-family: var(--mono); }

.btn { font-family: var(--font); font-size: 14px; font-weight: 600; cursor: pointer; border: none; min-height: 38px; padding: 9px 20px; border-radius: var(--radius-pill); transition: transform 0.15s var(--ease), background 0.25s var(--ease), box-shadow 0.25s var(--ease), border-color 0.25s var(--ease); display: inline-flex; align-items: center; gap: 7px; justify-content: center; letter-spacing: -0.01em; white-space: nowrap; }
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 6px 18px rgba(var(--accent-rgb),0.4); }
.btn-primary:hover { background: var(--accent-press); box-shadow: 0 8px 24px rgba(var(--accent-rgb),0.5); transform: translateY(-1px); }
.btn-secondary { background: var(--glass-bg-strong); color: var(--text); border: 1px solid var(--glass-border); }
.btn-secondary:hover { background: var(--accent-soft); border-color: var(--accent-soft); transform: translateY(-1px); }
.btn-ghost { background: var(--field-bg); color: var(--accent); border: 1px solid var(--glass-border); }
.btn-ghost:hover { background: var(--accent-soft); border-color: var(--accent); transform: translateY(-1px); }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; box-shadow: none; transform: none !important; }

.icon-btn { width: 38px; height: 38px; border-radius: var(--radius-md); border: none; background: var(--accent-soft); color: var(--accent); cursor: pointer; display: grid; place-items: center; transition: background 0.2s var(--ease), transform 0.15s var(--ease); flex: 0 0 38px; }
.icon-btn:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.icon-btn .ico-svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2; }

.seg { display: inline-flex; padding: 4px; border-radius: var(--radius-pill); background: var(--track); gap: 2px; }
.seg button { font-family: var(--font); font-size: 13px; font-weight: 600; cursor: pointer; border: none; background: transparent; color: var(--text-muted); padding: 7px 15px; min-height: 32px; border-radius: var(--radius-pill); transition: all 0.25s var(--ease); white-space: nowrap; }
.seg button.active { background: var(--glass-bg-strong); color: var(--text); box-shadow: 0 2px 8px rgba(0,0,0,0.18); }

.slider { -webkit-appearance: none; appearance: none; flex: 1; height: 6px; border-radius: var(--radius-pill); background: var(--track); outline: none; min-width: 120px; }
.slider::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 2px 8px rgba(0,0,0,0.3); cursor: pointer; border: 1px solid var(--glass-border); transition: transform 0.15s var(--ease); }
.slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.slider::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; cursor: pointer; border: 1px solid var(--glass-border); }
.inline-slider { width: 200px; }
.ctrl-row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.ctrl-row > label { font-size: 14px; font-weight: 600; min-width: 56px; }
.ctrl-val { font-size: 13px; color: var(--text-muted); font-variant-numeric: tabular-nums; min-width: 46px; text-align: right; }

.switch { width: 50px; height: 30px; border-radius: var(--radius-pill); background: var(--track); border: none; cursor: pointer; position: relative; transition: background 0.25s var(--ease); flex: 0 0 50px; padding: 0; }
.switch .switch-knob { position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgba(0,0,0,0.3); transition: transform 0.25s var(--ease); }
.switch.on { background: var(--accent); }
.switch.on .switch-knob { transform: translateX(20px); }

/* 拖放区 */
.dropzone { min-height: 220px; display: grid; place-items: center; cursor: pointer; transition: border 0.25s var(--ease), background 0.25s var(--ease); border: 1.5px dashed var(--glass-border); border-radius: var(--radius-lg); overflow: hidden; }
.dropzone:hover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone.drag { border-color: var(--accent); background: var(--accent-soft); transform: scale(1.01); }
.dz-inner { text-align: center; padding: var(--space-5); }
.dz-ico { width: 66px; height: 66px; margin: 0 auto var(--space-4); border-radius: var(--radius-lg); background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.dz-ico .ico-svg { width: 32px; height: 32px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.dz-title { font-size: 17px; font-weight: 650; }
.dz-sub { font-size: 13px; color: var(--text-muted); margin-top: 6px; }
.link { color: var(--accent); cursor: pointer; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: var(--space-3); padding: var(--space-4); border-radius: var(--radius-md); background: var(--glass-bg-strong); border: 1px solid var(--glass-border); }
.stat { text-align: center; }
.stat .num { display: block; font-size: 20px; font-weight: 730; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.stat .lbl { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

/* 输出行 */
.out-row { display: flex; align-items: center; gap: var(--space-3); background: var(--field-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); }
.out-label { font-size: 13px; font-weight: 600; color: var(--text-muted); min-width: 64px; }
.out-val { flex: 1; font-family: var(--mono); font-size: 13px; word-break: break-all; color: var(--text); }

/* 结果列表 */
.result-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--space-4); margin-top: var(--space-4); }
.result-card { padding: var(--space-4); display: flex; gap: var(--space-4); align-items: center; border-radius: var(--radius-md); background: var(--glass-bg-strong); border: 1px solid var(--glass-border); }
.result-thumb { width: 60px; height: 60px; border-radius: var(--radius-md); object-fit: cover; flex: 0 0 60px; background: var(--track); }
.result-info { flex: 1; min-width: 0; }
.result-name { font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.result-meta { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.result-meta .save { color: #30d158; font-weight: 650; }

/* 空态 */
.empty { text-align: center; padding: var(--space-8) var(--space-4); color: var(--text-faint); }
.empty-ico { width: 64px; height: 64px; margin: 0 auto var(--space-4); border-radius: var(--radius-lg); background: var(--track); color: var(--text-faint); display: grid; place-items: center; }
.empty-ico .ico-svg { width: 30px; height: 30px; stroke: currentColor; fill: none; stroke-width: 1.6; }
.empty p { font-size: 14px; }

/* 提示便签 / 说明 */
.hint { font-size: 13px; color: var(--text-muted); background: var(--accent-soft); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); display: flex; gap: var(--space-3); align-items: flex-start; }
.hint svg { width: 18px; height: 18px; flex: 0 0 18px; stroke: var(--accent); fill: none; stroke-width: 2; margin-top: 1px; }
.tag-row { display: flex; gap: var(--space-2); flex-wrap: wrap; }

/* ===== 命令面板 ===== */
.cmdk { position: fixed; inset: 0; z-index: 50; display: grid; place-items: start center; padding-top: 12vh; }
.cmdk[hidden] { display: none; }
.cmdk-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.35); backdrop-filter: blur(4px); opacity: 0; transition: opacity 0.22s var(--ease); }
.cmdk.show .cmdk-backdrop { opacity: 1; }
.cmdk-panel { position: relative; width: min(620px, 92vw); max-height: 64vh; display: flex; flex-direction: column; border-radius: var(--radius-lg); animation: cmdkIn 0.26s var(--ease-out); overflow: hidden; }
@keyframes cmdkIn { from { opacity: 0; transform: translateY(-14px) scale(0.98); } to { opacity: 1; transform: none; } }
.cmdk-input-row { display: flex; align-items: center; gap: 12px; padding: var(--space-4) var(--space-5); border-bottom: 1px solid var(--divider); }
.cmdk-input-row .search-ico { width: 20px; height: 20px; stroke: var(--text-faint); fill: none; stroke-width: 2; }
#cmdkInput { flex: 1; border: none; background: transparent; color: var(--text); font-family: var(--font); font-size: 16px; outline: none; }
#cmdkInput::placeholder { color: var(--text-faint); }
.cmdk-list { overflow-y: auto; padding: var(--space-2); }
.cmdk-item { display: flex; align-items: center; gap: var(--space-3); width: 100%; padding: var(--space-3) var(--space-4); border: none; background: transparent; border-radius: var(--radius-md); cursor: pointer; text-align: left; color: var(--text); transition: background 0.12s var(--ease); }
.cmdk-item.sel { background: var(--accent-soft); }
.ci-ico { width: 36px; height: 36px; border-radius: 10px; background: var(--glass-bg-strong); color: var(--accent); display: grid; place-items: center; flex: 0 0 36px; }
.ci-ico .ico-svg { width: 19px; height: 19px; stroke: currentColor; fill: none; stroke-width: 1.9; }
.ci-text { flex: 1; min-width: 0; }
.ci-text b { display: block; font-size: 14px; font-weight: 600; }
.ci-text i { display: block; font-size: 12px; color: var(--text-muted); font-style: normal; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ci-cat { font-size: 11px; color: var(--text-faint); background: var(--track); padding: 2px 9px; border-radius: 999px; }
.cmdk-empty { padding: var(--space-6); text-align: center; color: var(--text-faint); font-size: 14px; }

/* ===== Toast ===== */
.toast-wrap { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); z-index: 80; display: flex; flex-direction: column; gap: 10px; align-items: center; }
.toast { display: flex; align-items: center; gap: 10px; padding: 12px 18px; border-radius: var(--radius-pill); font-size: 13.5px; font-weight: 550; color: var(--text); background: var(--glass-bg-strong); border: 1px solid var(--glass-border); box-shadow: var(--glass-shadow); backdrop-filter: var(--blur-glass); -webkit-backdrop-filter: var(--blur-glass); opacity: 0; transform: translateY(20px) scale(0.96); transition: opacity 0.3s var(--ease), transform 0.3s var(--ease); max-width: 80vw; }
.toast.in { opacity: 1; transform: none; }
.toast-ico { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 2.2; flex: 0 0 18px; }
.toast-success .toast-ico { color: #30d158; }.toast-error .toast-ico { color: #ff453a; }.toast-info .toast-ico { color: var(--accent); }

/* ===== 设置 ===== */
.settings-list { display: flex; flex-direction: column; gap: var(--space-4); max-width: 760px; margin: 0 var(--space-2); }
.setting { padding: var(--space-5); display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); border-radius: var(--radius-lg); }
.setting-text h3 { font-size: 16px; font-weight: 650; }
.setting-text p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }
.setting-ctrl { flex: 0 0 auto; }
.accent-row { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.accent-dot { width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; transition: transform 0.18s var(--ease), border-color 0.18s var(--ease); }
.accent-dot:hover { transform: scale(1.15); }
.accent-dot.on { border-color: var(--text); box-shadow: 0 0 0 3px var(--bg-base); }
.row-gap { display: flex; gap: var(--space-3); flex-wrap: wrap; }
.about { max-width: 760px; margin: var(--space-5) var(--space-2) 0; padding: var(--space-6); border-radius: var(--radius-lg); }
.about h3 { font-size: 19px; font-weight: 700; margin-bottom: var(--space-3); }
.about p { color: var(--text-muted); font-size: 14px; }
.about-list { list-style: none; margin: var(--space-4) 0; display: flex; flex-direction: column; gap: var(--space-3); }
.about-list li { font-size: 14px; color: var(--text); padding-left: var(--space-5); position: relative; }
.about-list li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.about-list b { color: var(--text); }
.about-meta { font-size: 12px; color: var(--text-faint); margin-top: var(--space-3); font-family: var(--mono); }

/* ===== 状态栏 ===== */
.statusbar { height: 34px; flex: 0 0 34px; border-radius: var(--radius-md); padding: 0 var(--space-5); display: flex; align-items: center; gap: var(--space-4); font-size: 12px; color: var(--text-muted); }
.sb-item { display: flex; align-items: center; gap: 6px; }
.sb-spacer { flex: 1; }
#sbTool { margin-left: auto; max-width: 50%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #30d158; box-shadow: 0 0 8px #30d158; }

/* ===== 工具内专用 ===== */
.qr-canvas, .qr-img { display: block; margin: var(--space-4) auto; border-radius: var(--radius-md); background: #fff; padding: 12px; max-width: 100%; }
.pomo { text-align: center; padding: var(--space-6); }
.pomo-ring { position: relative; width: 240px; height: 240px; margin: 0 auto var(--space-5); }
.pomo-time { position: absolute; inset: 0; display: grid; place-items: center; font-size: 52px; font-weight: 730; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.pomo-label { font-size: 15px; color: var(--text-muted); margin-bottom: var(--space-4); }
.pomo-btns { display: flex; gap: var(--space-3); justify-content: center; }
.palette-grid { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-4); }
.swatch { width: 64px; height: 64px; border-radius: var(--radius-md); cursor: pointer; position: relative; border: 1px solid var(--glass-border); transition: transform 0.18s var(--ease); }
.swatch:hover { transform: scale(1.08); }
.swatch span { position: absolute; bottom: 4px; left: 0; right: 0; text-align: center; font-size: 10px; font-family: var(--mono); color: #fff; mix-blend-mode: difference; }
.md-preview { padding: var(--space-4) var(--space-5); background: var(--field-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); min-height: 200px; line-height: 1.7; }
.md-preview h1, .md-preview h2, .md-preview h3 { margin: var(--space-4) 0 var(--space-2); letter-spacing: -0.01em; }
.md-preview h1 { font-size: 26px; }.md-preview h2 { font-size: 21px; }.md-preview h3 { font-size: 17px; }
.md-preview p { margin: var(--space-2) 0; }
.md-preview code { font-family: var(--mono); background: var(--track); padding: 2px 6px; border-radius: 5px; font-size: 0.9em; }
.md-preview pre { background: var(--track); padding: var(--space-3); border-radius: var(--radius-md); overflow-x: auto; margin: var(--space-3) 0; }
.md-preview pre code { background: transparent; padding: 0; }
.md-preview ul, .md-preview ol { margin: var(--space-2) 0; padding-left: var(--space-5); }
.md-preview blockquote { border-left: 3px solid var(--accent); padding-left: var(--space-3); color: var(--text-muted); margin: var(--space-3) 0; }
.md-preview a { color: var(--accent); }
.md-preview table { border-collapse: collapse; margin: var(--space-3) 0; }
.md-preview th, .md-preview td { border: 1px solid var(--divider); padding: 6px 10px; }
.diff-output { font-family: var(--mono); font-size: 13px; white-space: pre-wrap; word-break: break-word; border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); background: var(--field-bg); border: 1px solid var(--glass-border); max-height: 360px; overflow-y: auto; }
.diff-add { background: rgba(48,209,88,0.16); color: #30d158; display: block; }
.diff-del { background: rgba(255,69,58,0.14); color: #ff6b60; display: block; }
.diff-same { display: block; color: var(--text-muted); }

/* ===== 响应式 ===== */
@media (max-width: 860px) {
  .app { padding: 6px; gap: 6px; }
  .app-body { gap: 6px; }
  .sidebar { width: 68px; flex: 0 0 68px; padding: var(--space-3) var(--space-2); }
  .nav-item span, .sidebar-foot .tag-pill, .nav-count { display: none; }
  .nav-item { justify-content: center; padding: 12px; }
  .search-wrap { max-width: none; }
  .search-kbd { display: none; }
  .row-2, .row-3, .compress-layout { grid-template-columns: 1fr; }
  .content { padding: var(--space-4); }
}

/* ===== 截图裁剪 ===== */
.crop-stage { position: relative; min-height: 220px; border-radius: var(--radius-md); }
.crop-stage .dropzone { margin: 0; }
.crop-hint { color: var(--text-muted); font-size: 13px; text-align: center; padding: var(--space-4); }
.crop-img { display: block; max-width: 100%; height: auto; border-radius: var(--radius-md); }
.crop-overlay { position: absolute; display: none; cursor: crosshair; touch-action: none; }
.crop-box {
  position: absolute; left: 0; top: 0; width: 0; height: 0;
  border: 1.5px solid var(--accent);
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.45);
  box-sizing: border-box;
}
.crop-box::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.3) 1px, transparent 1px);
  background-size: 33.33% 33.33%;
}
.crop-tip { color: var(--text-faint); font-size: 12.5px; margin-top: var(--space-3); }

/* ===== 首页常用工具 ===== */
.quick-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-3); margin-top: var(--space-3); }
.quick {
  display: flex; flex-direction: column; gap: 3px; align-items: flex-start; text-align: left;
  cursor: pointer; padding: var(--space-3) var(--space-4);
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  box-shadow: var(--glass-shadow), var(--glass-inner);
  backdrop-filter: var(--blur-glass); -webkit-backdrop-filter: var(--blur-glass);
  transition: transform 0.18s var(--ease), border-color 0.18s var(--ease);
}
.quick:hover { transform: translateY(-3px); border-color: var(--accent); }
.quick-ico { color: var(--accent); display: inline-flex; }
.quick-ico svg { width: 22px; height: 22px; }

/* ===== 文件工具补充样式（压缩 / 解压 / 重命名 / 重复查找） ===== */

/* 操作按钮行 */
.ctrl-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-2); align-items: center; }
.ctrl-actions .btn, .panel-head .btn { flex: 0 0 auto; }

/* 解压提取：勾选框 + 预览区 */
.dz-chk { width: 18px; height: 18px; flex: 0 0 18px; accent-color: var(--accent); cursor: pointer; }
.preview { margin-top: var(--space-4); padding: var(--space-4); background: var(--glass-bg-strong); border: 1px solid var(--glass-border); border-radius: var(--radius-lg); }
.preview-img { display: block; max-width: 100%; max-height: 60vh; border-radius: var(--radius-md); margin-bottom: var(--space-3); }
.preview-text { font-family: var(--mono); font-size: 13px; white-space: pre-wrap; word-break: break-word; max-height: 50vh; overflow: auto; margin: 0; }
.preview-cap { color: var(--text-muted); font-size: 13px; margin-bottom: var(--space-3); }

/* 重复文件查找 */
.dup-card { flex-direction: column; align-items: stretch; gap: var(--space-3); }
.dup-hash { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.dup-h { font-size: 11px; font-weight: 700; letter-spacing: 0.04em; color: var(--text-faint); text-transform: uppercase; }
.dup-count { font-size: 12px; font-weight: 600; color: var(--accent); background: var(--accent-soft); padding: 2px 10px; border-radius: 999px; }
.dup-files { display: flex; flex-direction: column; gap: 6px; }
.dup-file { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-3); padding: 8px 12px; background: var(--field-bg); border: 1px solid var(--glass-border); border-radius: var(--radius-md); }

/* 批量重命名 */
.rename-old { color: var(--text-muted); word-break: break-all; }
.rename-new { color: var(--accent); font-weight: 600; word-break: break-all; }
.rename-arrow { color: var(--text-faint); display: inline-flex; flex: 0 0 auto; }
.rename-arrow svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }
.quick-title { font-weight: 650; font-size: 14.5px; color: var(--text); }
.quick-desc { font-size: 12px; color: var(--text-muted); line-height: 1.4; }
@media (max-width: 980px) { .quick-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .quick-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== 红绿灯双色语义（通行绿 / 停止红）===== */
:root {
  --ok: #34c759;  --ok-soft: rgba(52,199,89,.16);  --ok-rgb: 52,199,89;
  --danger: #ff3b30; --danger-soft: rgba(255,59,48,.14); --danger-rgb: 255,59,48;
  --warn: #ff9f0a;
}
.toast.toast-success { background: var(--ok-soft); border-color: rgba(var(--ok-rgb),.5); color: #1f7a36; }
.toast.toast-error   { background: var(--danger-soft); border-color: rgba(var(--danger-rgb),.5); color: #b3261e; }
.toast.toast-success .toast-ico { color: var(--ok); }
.toast.toast-error .toast-ico   { color: var(--danger); }
/* 重复查找 / 校验等场景的重复-危险标记 */
.dup-badge { background: var(--danger-soft); color: var(--danger); border: 1px solid rgba(var(--danger-rgb),.4); }
.ok-badge { background: var(--ok-soft); color: var(--ok); border: 1px solid rgba(var(--ok-rgb),.4); }