:root{--ink: #1C1730;--dim: #5A5470;--faint: #948DA8;--accent: #5B4B8A;--accent-dark: #473973;--line: #E7E4F0;--line-strong: #D6D1E4;--hover: #F6F4FA;--active-bg: #EFEBF7;--bg: #FAFAFC;--font: "Inter", -apple-system, "Segoe UI", Arial, sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;-webkit-font-smoothing:antialiased}button{font-family:var(--font);font-size:14px;background:none;border:none;padding:0;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:52px;flex:none;border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;gap:10px;padding:0 24px;font-weight:500}.topbar__moon,.login__moon{width:18px;height:18px;border-radius:50%;background:radial-gradient(circle at 62% 38%,transparent 0 7px,var(--accent) 7.5px);flex:none}.shell__body{flex:1;display:flex;min-height:0}.sidebar{width:200px;flex:none;border-right:1px solid var(--line);background:#fff;padding:16px 12px;display:flex;flex-direction:column;gap:2px}.side-item{text-align:left;padding:9px 12px;border-radius:8px;color:var(--dim)}.side-item:hover{background:var(--hover)}.side-item--active{background:var(--active-bg);color:var(--accent);font-weight:500}.content{flex:1;padding:28px 32px;min-width:0;position:relative}.page-title{margin:0;font-size:22px;font-weight:600}.page-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}.updated{font-size:13px;color:var(--faint)}.note{font-size:13px;color:var(--faint);margin-top:6px}.btn-primary{display:inline-block;background:var(--accent);color:#fff;padding:10px 20px;border-radius:8px;text-align:center;transition:background .15s ease}.btn-primary:hover{background:var(--accent-dark)}.input{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:10px 14px;font-size:14px;font-family:var(--font);color:var(--ink);background:#fff;outline:none}.input:focus{border-color:var(--accent)}.input--error{border-color:#b3402e}.input--area{min-height:108px;resize:vertical;line-height:1.55}.input--short{min-height:64px}.fieldset{display:flex;flex-direction:column;gap:6px}.fieldset__label{font-size:13px;color:var(--dim)}.stack{display:flex;flex-direction:column;gap:18px;margin-top:24px;max-width:640px}.hintbox{background:var(--active-bg);border-radius:10px;padding:14px 16px;font-size:13px;line-height:1.55;color:var(--dim)}.toast{position:fixed;bottom:24px;right:24px;background:var(--accent);color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;animation:toast-in .2s ease-out;z-index:10}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login__card{width:380px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:32px;display:flex;flex-direction:column;gap:16px}.login__moon{width:26px;height:26px}.login__brand{font-size:18px;font-weight:600}.login__sub{font-size:13px;color:var(--dim);margin-top:-10px}.login__error{font-size:13px;color:#b3402e;margin-top:-6px}.login__btn{width:100%}.funnel{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:24px}.funnel__card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px}.funnel__label{font-size:13px;color:var(--dim)}.funnel__value{font-size:34px;font-weight:600;letter-spacing:-.02em;margin-top:8px;font-variant-numeric:tabular-nums}.funnel__percent{font-size:12px;color:var(--faint);margin-top:6px}.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin-top:20px}.panel__title{font-size:15px;font-weight:600;margin-bottom:14px}.chart{width:100%;height:auto;display:block}.chart__tick{font-size:11px;fill:var(--faint);font-family:var(--font)}.file-row{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px}.file-row__icon{width:44px;height:44px;border-radius:10px;background:var(--active-bg);color:var(--accent);font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;flex:none}.file-row__name{font-weight:500}.file-row__size{font-size:13px;color:var(--faint);margin-top:2px}@media(max-width:900px){.funnel{grid-template-columns:1fr 1fr}.content{padding:20px}}@media(max-width:600px){.shell__body{flex-direction:column}.sidebar{width:100%;flex-direction:row;border-right:none;border-bottom:1px solid var(--line);padding:8px 12px;overflow-x:auto}.side-item{white-space:nowrap}.funnel{grid-template-columns:1fr}.page-head{flex-direction:column;gap:4px}.topbar{font-size:13px;padding:0 16px}}