:root{
  --navy:#0f2742;
  --navy-light:#1c3f63;
  --accent:#e0772a;
  --accent-soft:#fdeee1;
  --green:#1f9d6b;
  --green-soft:#e4f7ee;
  --blue-soft:#e8f0fb;
  --purple-soft:#f0ebfb;
  --orange-soft:#fdf0e3;
  --bg:#f4f6f9;
  --card:#ffffff;
  --border:#e3e8ef;
  --text:#1e2a38;
  --text-muted:#64748b;
  --radius:14px;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg);
  color:var(--text);
}
i[data-lucide]{width:18px;height:18px;stroke-width:2;flex-shrink:0;}

/* ---- topbar ---- */
.topbar{background:var(--navy);color:#fff;}
.topbar-inner{
  max-width:1180px;margin:0 auto;padding:16px 24px;
  display:flex;justify-content:space-between;align-items:center;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;border-radius:10px;background:var(--accent);
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:18px;font-weight:700;}
.brand-sub{font-size:12px;color:#aebdd0;}
.user-chip{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.08);padding:8px 14px;border-radius:999px;}
.user-avatar{width:32px;height:32px;border-radius:50%;background:#2e507a;display:flex;align-items:center;justify-content:center;}
.user-meta{display:flex;flex-direction:column;line-height:1.2;}
.user-label{font-size:10px;color:#aebdd0;}
.user-name{font-size:13px;}

/* ---- tabs ---- */
.tabs{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;}
.tabs-inner{max-width:1180px;margin:0 auto;padding:0 24px;display:flex;gap:4px;overflow-x:auto;}
.tab-btn{
  display:flex;align-items:center;gap:8px;
  background:none;border:none;border-bottom:3px solid transparent;
  padding:14px 14px;font-size:14px;color:var(--text-muted);cursor:pointer;white-space:nowrap;
  font-weight:600;
}
.tab-btn:hover{color:var(--navy);}
.tab-btn.active{color:var(--navy);border-bottom-color:var(--accent);}

/* ---- layout ---- */
main{max-width:1180px;margin:0 auto;padding:28px 24px 60px;}
.panel{display:none;animation:fade .25s ease;}
.panel.active{display:block;}
@keyframes fade{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:translateY(0);}}
.panel-head h1{font-size:22px;margin:0 0 6px;}
.panel-head .lead{color:var(--text-muted);font-size:14px;line-height:1.7;max-width:800px;margin:0 0 22px;}

.grid-2col{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px;}
@media(max-width:800px){.grid-2col{grid-template-columns:1fr;}}

.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 22px;
}
.card h3{display:flex;align-items:center;gap:8px;font-size:15px;margin:0 0 14px;}
.note-card{background:var(--blue-soft);border-color:#d6e4f7;}

/* ---- kpi ---- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media(max-width:900px){.kpi-grid{grid-template-columns:repeat(2,1fr);}}
.kpi-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;}
.kpi-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px;}
.kpi-icon.blue{background:var(--blue-soft);color:#2563eb;}
.kpi-icon.green{background:var(--green-soft);color:var(--green);}
.kpi-icon.orange{background:var(--orange-soft);color:var(--accent);}
.kpi-icon.purple{background:var(--purple-soft);color:#7c3aed;}
.kpi-value{font-size:22px;font-weight:700;}
.kpi-value span{font-size:13px;font-weight:500;color:var(--text-muted);margin-left:2px;}
.kpi-label{font-size:12px;color:var(--text-muted);margin-top:4px;}

.checklist{margin:0;padding-left:18px;color:var(--text);font-size:14px;line-height:2;}
.note-card p{font-size:13px;line-height:1.8;color:var(--text);margin:0;}

/* ---- sync ---- */
.sync-status{display:flex;justify-content:space-between;align-items:center;background:var(--green-soft);border-color:#cdeedd;margin-bottom:18px;}
.sync-status-left{display:flex;gap:12px;align-items:flex-start;}
.sync-status-left i{color:var(--green);margin-top:2px;}
.sync-status-left p{margin:2px 0 0;font-size:13px;color:var(--text-muted);}
.spin-icon{animation:spin 3s linear infinite;}
@keyframes spin{from{transform:rotate(0);}to{transform:rotate(360deg);}}

.simple-table{width:100%;border-collapse:collapse;font-size:13px;}
.simple-table td{padding:9px 4px;border-bottom:1px solid var(--border);}
.simple-table td:last-child{width:1%;text-align:right;}
.tag{display:inline-block;font-size:11px;padding:2px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent);text-align:center;white-space:nowrap;}
.tag.opt{background:#eef1f5;color:var(--text-muted);}
.hint{font-size:12px;color:var(--text-muted);margin:10px 0 0;}

.table-scroll{overflow-x:auto;}
.data-table{width:100%;border-collapse:collapse;font-size:13px;white-space:nowrap;}
.data-table th{background:#f1f4f8;text-align:left;padding:9px 12px;color:var(--text-muted);font-weight:600;position:sticky;top:0;}
.data-table td{padding:9px 12px;border-bottom:1px solid var(--border);}
.data-table tr:hover td{background:#fafbfd;}

/* ---- rules ---- */
.rule-groups{display:flex;flex-direction:column;gap:18px;}
.rule-group{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;}
.rule-group-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.rule-group-head input.group-name{
  font-size:15px;font-weight:700;border:none;background:none;padding:2px 4px;border-radius:6px;
}
.rule-group-head input.group-name:focus{background:#f1f4f8;outline:none;}
.rule-table{width:100%;border-collapse:collapse;font-size:13px;}
.rule-table th{text-align:left;color:var(--text-muted);font-weight:600;padding:6px 8px;}
.rule-table td{padding:6px 8px;}
.rule-table input[type=number]{width:110px;padding:6px 8px;border:1px solid var(--border);border-radius:8px;font-size:13px;}
.rule-row-actions{display:flex;gap:8px;}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;padding:10px 16px;border:1px solid transparent;}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--navy-light);}
.btn-large{padding:13px 22px;font-size:15px;}
.btn-outline{background:#fff;border-color:var(--border);color:var(--navy);}
.btn-outline:hover{border-color:var(--navy);}
.btn-ghost{background:none;border:1px dashed #c6ccd6;color:var(--text-muted);margin-top:14px;}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy);}
.btn-icon{padding:6px;border:1px solid var(--border);background:#fff;border-radius:8px;color:var(--text-muted);cursor:pointer;}
.btn-icon:hover{color:#c0392b;border-color:#f2c9c2;}

/* ---- calc ---- */
.calc-run{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
.calc-status{font-size:13px;color:var(--text-muted);}
.bar-chart{display:flex;flex-direction:column;gap:12px;}
.bar-row{display:flex;align-items:center;gap:10px;font-size:13px;}
.bar-row .bar-label{width:110px;flex-shrink:0;color:var(--text-muted);}
.bar-track{flex:1;background:#eef1f5;border-radius:999px;height:14px;overflow:hidden;}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--navy),var(--accent));border-radius:999px;}
.bar-value{width:110px;text-align:right;font-weight:600;}

.summary-rows{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;}
.summary-row{display:flex;justify-content:space-between;font-size:14px;padding:8px 0;border-bottom:1px dashed var(--border);}
.summary-row.total{font-weight:700;font-size:16px;color:var(--navy);border-bottom:none;}

/* ---- usecase ---- */
.usecase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:22px;}
@media(max-width:860px){.usecase-grid{grid-template-columns:1fr;}}
.usecase-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.usecase-card img{width:100%;height:150px;object-fit:cover;display:block;}
.usecase-body{padding:16px 18px;}
.usecase-body h4{margin:0 0 6px;font-size:14px;}
.usecase-body p{margin:0;font-size:13px;color:var(--text-muted);line-height:1.7;}

.cta-card{background:var(--navy);color:#fff;border:none;}
.cta-card h3{color:#fff;}
.step-list{margin:0;padding-left:20px;font-size:13px;line-height:2.1;}
.cta-card .hint{color:#b9c6d8;}

.footer{text-align:center;font-size:12px;color:var(--text-muted);padding:20px;}