/* Deskbell 运营后台：与官网同一套设计语言（ink/blue/paper）。 */
:root{--ink:#0a2144;--muted:#667387;--blue:#245eea;--line:#dce3ed;--paper:#f7f9fc;--lime:#dbf795;--danger:#c93a3a;--ok:#1d8a4e}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;font-size:14px}
button,input,a{font:inherit;color:inherit}
a{text-decoration:none}
button{cursor:pointer}
button:disabled{cursor:default;opacity:.5}
button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #709bff;outline-offset:2px}
::selection{background:var(--lime);color:var(--ink)}
.skip{position:absolute;top:-60px;left:12px;background:white;padding:12px;z-index:9}
.skip:focus{top:12px}
.overline{font-size:11px;font-weight:600;color:var(--blue);letter-spacing:2px;margin:0 0 8px}
h1{font-size:24px;letter-spacing:-.6px;margin:0;font-weight:650}
h2{font-size:16px;margin:0;font-weight:600}

/* ---- 登录 ---- */
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(ellipse at 18% -10%,#e4f1ff 0%,#f7f9fc 55%)}
.login-card{width:min(400px,100%);background:white;border:1px solid var(--line);border-radius:16px;padding:36px 34px;box-shadow:0 24px 55px #10376c14}
.login-mark{width:44px;height:44px;border-radius:12px;background:#e4edfc;color:var(--blue);display:grid;place-items:center;font-size:20px;margin-bottom:16px}
.login-card h1{margin:0 0 10px}
.login-copy{color:var(--muted);line-height:1.8;margin:0 0 22px;font-size:13px}
#login-form label{display:block;margin-bottom:14px}
#login-form label span{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
input{width:100%;border:1px solid #c3cfdf;border-radius:8px;padding:11px 13px;background:white}
input:focus{border-color:var(--blue)}

/* ---- 布局 ---- */
.app-shell{display:grid;grid-template-columns:216px 1fr;min-height:100vh}
.sidebar{border-right:1px solid var(--line);background:white;padding:22px 14px;display:flex;flex-direction:column;gap:26px;position:sticky;top:0;height:100vh}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:700;letter-spacing:-.5px;padding:0 8px}
.brand-mark{width:30px;height:30px;border-radius:9px;background:#e4edfc;color:var(--blue);display:grid;place-items:center;font-size:14px}
.brand-tag{font-size:10px;font-weight:600;letter-spacing:1px;color:var(--blue);background:#edf3fe;border-radius:20px;padding:3px 8px;margin-left:2px}
.side-nav{display:flex;flex-direction:column;gap:3px;flex:1}
.side-nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--muted);font-size:14px}
.side-nav a span{width:18px;text-align:center}
.side-nav a:hover{background:#eaf0fa;color:var(--ink)}
.side-nav a.active{background:#edf3fe;color:var(--blue);font-weight:600}
.side-foot{display:flex;flex-direction:column;gap:8px;padding:0 8px;font-size:12px}
.side-home{color:var(--muted)}
.side-home:hover{color:var(--blue)}
.content{padding:34px 40px 70px;max-width:1160px;width:100%}

/* ---- 通用组件 ---- */
.view-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:24px;flex-wrap:wrap}
.head-sub{color:var(--muted);margin:8px 0 0;font-size:13px}
.refresh-note{color:var(--muted);font-size:12px}
.panel{background:white;border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:18px}
.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:14px;margin-bottom:16px}
.primary{border:0;border-radius:8px;background:var(--ink);color:white;padding:12px 18px;font-weight:550}
.primary:hover{background:#17477c}
.primary.compact{padding:9px 15px;font-size:13px}
.ghost{border:1px solid #c3cfdf;background:white;border-radius:8px;padding:9px 15px;font-size:13px}
.ghost:hover{border-color:var(--blue);color:var(--blue)}
.ghost.compact{padding:8px 13px}
.danger{border:1px solid #eccaca;background:#fdf5f5;color:var(--danger);border-radius:8px;padding:9px 15px;font-size:13px;font-weight:550}
.danger:hover{background:#faecec}
.link{border:0;background:none;color:var(--blue);padding:0;font-size:13px}
.link:hover{text-decoration:underline}
.error{color:var(--danger);font-size:13px;margin:10px 0 0}
.notice{color:var(--ok);font-size:13px;margin:12px 0 0;min-height:1em}
.notice.err{color:var(--danger)}
.pill{font-size:11px;font-weight:650;letter-spacing:.6px;border-radius:20px;padding:4px 11px;background:#eef1f5;color:#5b6b83}
.pill.plus{background:var(--blue);color:white}
.pill.free{background:#eef1f5;color:#5b6b83}
.pill.paid,.pill.active{background:#e2f5ea;color:var(--ok)}
.pill.pending{background:#fdf3dc;color:#9a6b00}
.pill.failed,.pill.cancelled,.pill.expired{background:#fbe9e9;color:var(--danger)}

.toolbar{display:flex;gap:10px;align-items:flex-end;margin-bottom:16px;flex-wrap:wrap}
.toolbar input[type="search"]{max-width:320px}
.inline-field{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}
.inline-field input{max-width:150px}
.inline-field input[type="number"]{max-width:110px}

.table-wrap{background:white;border:1px solid var(--line);border-radius:14px;overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted);text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:13px 16px;border-bottom:1px solid #eef2f7;vertical-align:top;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr.rowlink{cursor:pointer}
tbody tr.rowlink:hover{background:#f4f8fe}
td.mono,span.mono{font-variant-numeric:tabular-nums}
.empty{color:var(--muted);padding:22px 16px;margin:0;font-size:13px}
.pager{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}

.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px 26px}
.kv>div{min-width:0}
.kv dt{font-size:11px;letter-spacing:.8px;color:var(--muted);text-transform:uppercase;margin:0 0 4px}
.kv dd{margin:0;font-weight:600;font-size:14px;overflow-wrap:anywhere}

/* ---- 概览 ---- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}
.stat-grid article{position:relative;background:white;border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.stat-grid article.accent{border-color:#b8cffb;background:linear-gradient(145deg,#edf3fe,#f9fbff)}
.stat-grid span{font-size:12px;color:var(--muted)}
.stat-grid strong{display:block;font-size:30px;letter-spacing:-1px;margin:8px 0 4px;font-variant-numeric:tabular-nums}
.stat-grid small{color:var(--muted);font-size:12px}
.stat-symbol{position:absolute;right:18px;top:18px;color:#c6d4ea;font-size:17px;font-weight:400}
.revenue-row{display:flex;gap:14px;flex-wrap:wrap}
.revenue-card{border:1px solid var(--line);border-radius:12px;padding:16px 20px;min-width:180px}
.revenue-card strong{display:block;font-size:22px;margin:6px 0 2px;font-variant-numeric:tabular-nums}
.revenue-card small{color:var(--muted);font-size:12px}
.revenue-card .cur{font-size:11px;font-weight:650;letter-spacing:1px;color:var(--blue)}
.head-tools{display:flex;align-items:center;gap:12px}

/* 趋势图：柱 = 每日调用，折线 = 每日新增用户，各自独立归一化。 */
.trend-chart svg{display:block;width:100%;height:auto}
.trend-chart .bar-calls{fill:#b8cffb}
.trend-chart .bar-calls:hover{fill:var(--blue)}
.trend-chart .line-signups{stroke:var(--ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;fill:none}
.trend-chart circle{fill:var(--ink)}
.trend-chart .tick,.trend-chart .axis-note{font-size:11px;fill:var(--muted)}
.trend-chart .axis{stroke:var(--line);stroke-width:1}
.legend{display:flex;gap:16px;font-size:12px;color:var(--muted)}
.legend .dot{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px}
.dot-calls{background:#b8cffb}
.dot-signups{background:var(--ink);border-radius:50%}

/* ---- 详情 ---- */
.detail-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px}
.detail-grid .panel{margin-bottom:18px}
.actions{display:flex;gap:10px;align-items:flex-end;margin-top:18px;flex-wrap:wrap}

/* ---- Toast ---- */
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;border-radius:10px;padding:12px 20px;font-size:13px;box-shadow:0 18px 40px #0a214440;z-index:20}

@media(max-width:920px){.app-shell{grid-template-columns:1fr}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;gap:14px;padding:14px 16px;border-right:0;border-bottom:1px solid var(--line)}.side-nav{flex-direction:row;overflow-x:auto}.side-nav a{white-space:nowrap}.side-foot{flex-direction:row;margin-left:auto}.content{padding:24px 20px 60px}.stat-grid{grid-template-columns:repeat(2,1fr)}.detail-grid{grid-template-columns:1fr}}
@media(max-width:560px){.stat-grid{grid-template-columns:1fr}.view-head{align-items:flex-start}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}