:root { --ink:#1f2933; --muted:#667085; --line:#d9e0e5; --panel:#ffffff; --canvas:#f4f6f5; --green:#18794e; --green-soft:#e6f4ec; --amber:#b55e08; --amber-soft:#fff3df; --red:#b42318; }
* { box-sizing:border-box; }
body { margin:0; color:var(--ink); background:var(--canvas); font:14px/1.5 Arial, "Microsoft YaHei", sans-serif; letter-spacing:0; }
button,input { font:inherit; }
button { cursor:pointer; }
.login-page { min-height:100vh; display:grid; place-items:center; background:linear-gradient(120deg,#eef4f0 0%,#f8f8f3 52%,#edf0f5 100%); }
.login-shell { width:min(440px,calc(100vw - 32px)); padding:42px; background:var(--panel); border:1px solid var(--line); border-radius:8px; box-shadow:0 18px 40px rgb(31 41 51 / 10%); }
.login-brand,.brand { display:flex; align-items:center; gap:12px; }
.brand-mark { display:grid; place-items:center; width:38px; height:38px; background:var(--green); color:#fff; font-size:12px; font-weight:700; border-radius:6px; }
.login-brand h1,.page-heading h1 { margin:0; font-size:25px; font-weight:700; }
.eyebrow { margin:0 0 2px; color:var(--muted); font-size:12px; }
.login-form { display:grid; gap:18px; margin-top:34px; }
.login-form label { display:grid; gap:7px; color:#344054; font-weight:600; }
.login-form input,.search input { width:100%; height:40px; padding:0 11px; color:var(--ink); background:#fff; border:1px solid #b8c3cb; border-radius:4px; outline:none; }
.login-form input:focus,.search input:focus { border-color:var(--green); box-shadow:0 0 0 3px rgb(24 121 78 / 12%); }
.login-form button { height:42px; color:#fff; background:var(--green); border:0; border-radius:4px; font-weight:700; }
.form-error { margin:0; color:var(--red); }
.topbar { height:58px; display:flex; align-items:center; justify-content:space-between; padding:0 24px; background:#fff; border-bottom:1px solid var(--line); }
.brand { color:var(--ink); text-decoration:none; font-size:17px; font-weight:700; }.brand .brand-mark { width:30px; height:30px; font-size:10px; }
.topbar-actions { display:flex; align-items:center; gap:12px; color:var(--muted); }.icon-button { display:grid; place-items:center; width:34px; height:34px; color:#344054; background:#fff; border:1px solid var(--line); border-radius:4px; font-size:19px; }
.workspace { display:grid; grid-template-columns:174px minmax(0,1fr); min-height:calc(100vh - 58px); }.sidebar { padding:18px 12px; border-right:1px solid var(--line); background:#fff; }.sidebar nav { display:grid; gap:4px; }.sidebar a { padding:9px 11px; color:#475467; text-decoration:none; border-radius:4px; }.sidebar a.active { color:var(--green); background:var(--green-soft); font-weight:700; }
.main-content { max-width:1520px; width:100%; padding:28px clamp(18px,3vw,48px); margin:0 auto; }.page-heading,.list-toolbar,.section-heading { display:flex; justify-content:space-between; align-items:center; gap:16px; }.page-heading { margin-bottom:24px; }.metrics { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); margin-bottom:22px; border:1px solid var(--line); background:#fff; }.metrics div { min-height:96px; padding:18px 22px; border-right:1px solid var(--line); }.metrics div:last-child { border:0; }.metrics span { display:block; color:var(--muted); }.metrics strong { display:block; margin-top:6px; font-size:28px; }
.customer-area,.task-area { background:#fff; border:1px solid var(--line); }.list-toolbar { padding:14px 16px; border-bottom:1px solid var(--line); }.search { display:flex; align-items:center; gap:10px; color:var(--muted); }.search input { width:min(410px,60vw); }.data-layout { display:grid; grid-template-columns:minmax(0,1fr) 330px; }.table-wrap { min-width:0; overflow:auto; }table { width:100%; min-width:760px; border-collapse:collapse; }th,td { padding:11px 14px; border-bottom:1px solid #edf0f2; text-align:left; white-space:nowrap; }th { color:var(--muted); background:#fafbfb; font-size:12px; font-weight:600; }tbody tr { cursor:pointer; }tbody tr:hover,tbody tr.selected { background:#f2f8f4; }td.customer-name { font-weight:700; }.detail-panel { min-height:400px; padding:18px; border-left:1px solid var(--line); background:#fcfdfd; }.detail-placeholder,.empty-state { color:var(--muted); }.detail-panel h2 { margin:0 0 6px; font-size:18px; }.detail-panel h3 { margin:20px 0 8px; font-size:13px; }.detail-list { display:grid; gap:8px; }.detail-list div { display:grid; gap:1px; }.detail-list span { color:var(--muted); font-size:12px; }.detail-notes { white-space:pre-wrap; color:#344054; }.empty-state { padding:24px; text-align:center; }.task-area { margin-top:22px; }.section-heading { padding:15px 18px; border-bottom:1px solid var(--line); }.section-heading h2 { margin:0; font-size:16px; }.task-list { display:grid; }.task { display:flex; justify-content:space-between; gap:16px; padding:12px 18px; border-bottom:1px solid #edf0f2; }.task:last-child { border:0; }.task time { color:var(--amber); white-space:nowrap; }
@media (max-width:900px) { .workspace { grid-template-columns:1fr; }.sidebar { display:none; }.data-layout { grid-template-columns:1fr; }.detail-panel { min-height:auto; border-left:0; border-top:1px solid var(--line); }.metrics { grid-template-columns:1fr; }.metrics div { min-height:76px; border-right:0; border-bottom:1px solid var(--line); }.metrics div:last-child { border-bottom:0; }.topbar { padding:0 16px; }.main-content { padding:20px 14px; } }