:root{
  --bg:#f4f6f9; --panel:#fff; --ink:#1d2330; --muted:#6b7280;
  --line:#e3e7ee; --brand:#635bff; --brand-d:#4b45c6;
  --ok:#0f9d58; --okbg:#e6f4ea; --warn:#b9770e; --warnbg:#fdf3e2;
  --err:#c5221f; --errbg:#fce8e6; --chip:#eef0f6;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* topbar */
.topbar{display:flex;align-items:center;gap:24px;background:#161a2b;color:#fff;
  padding:0 22px;height:56px;position:sticky;top:0;z-index:10}
.brand{font-weight:700;letter-spacing:.02em;white-space:nowrap}
.mainnav{display:flex;gap:4px;flex:1}
.mainnav a{color:#c7ccdb;padding:8px 13px;border-radius:7px;font-weight:500}
.mainnav a:hover{background:#252b42;text-decoration:none;color:#fff}
.mainnav a.active{background:var(--brand);color:#fff}
.userbox{display:flex;align-items:center;gap:12px;color:#aeb4c6;font-size:13px}
.userbox a{color:#aeb4c6}
.userbox a:hover{color:#fff;text-decoration:none}
.logout{border:1px solid #3a4159;border-radius:7px;padding:5px 10px}

.container{max-width:1140px;margin:26px auto;padding:0 22px}
h1{font-size:21px;margin:0 0 4px}
h2{font-size:16px;margin:26px 0 10px}
.sub{color:var(--muted);margin:0 0 18px}

/* panel */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:20px;margin-bottom:20px;box-shadow:0 1px 2px rgba(20,30,60,.04)}
.panel.tight{padding:0;overflow:hidden}

/* stat cards */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.stat .n{font-size:26px;font-weight:700}
.stat .l{color:var(--muted);font-size:12px;margin-top:2px}
@media(max-width:780px){.stats{grid-template-columns:repeat(2,1fr)}}

/* table */
table{width:100%;border-collapse:collapse}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:12px;color:var(--muted);font-weight:600;background:#fafbfd;text-transform:none}
tr:last-child td{border-bottom:none}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.row-fail{background:var(--errbg)}

/* chips / badges */
.chip{display:inline-block;background:var(--chip);border-radius:999px;padding:2px 10px;font-size:12px;color:#444}
.badge{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}
.b-ok{background:var(--okbg);color:var(--ok)}
.b-warn{background:var(--warnbg);color:var(--warn)}
.b-err{background:var(--errbg);color:var(--err)}
.b-mute{background:var(--chip);color:var(--muted)}

/* forms */
label{display:block;font-size:13px;font-weight:600;margin:12px 0 4px}
input[type=text],input[type=password],input[type=email],input[type=number],input[type=date],select,textarea{
  width:100%;padding:9px 11px;border:1px solid #cfd5e1;border-radius:8px;font-size:14px;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,91,255,.15)}
textarea{min-height:70px;resize:vertical}
.field-row{display:flex;gap:14px;flex-wrap:wrap}
.field-row>div{flex:1;min-width:160px}
.hint{color:var(--muted);font-size:12px;font-weight:400;margin-top:3px}

/* buttons */
.btn{display:inline-block;background:var(--brand);color:#fff;border:none;border-radius:8px;
  padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand-d);text-decoration:none;color:#fff}
.btn.sm{padding:5px 11px;font-size:13px}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid #cfd5e1}
.btn.ghost:hover{background:#f3f5f9;color:var(--ink)}
.btn.danger{background:var(--err)}
.btn.danger:hover{background:#9d1b18}
.btn.ok{background:var(--ok)}
.btn.ok:hover{background:#0b7a43}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* flash */
.flash{padding:11px 16px;border-radius:9px;margin-bottom:16px;font-weight:500}
.flash-ok{background:var(--okbg);color:var(--ok)}
.flash-err{background:var(--errbg);color:var(--err)}
.flash-info{background:#e8f0fe;color:#1a56c4}

/* login / install */
.auth-wrap{max-width:420px;margin:8vh auto;padding:0 20px}
.auth-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 6px 24px rgba(20,30,60,.08)}
.auth-card h1{text-align:center;margin-bottom:22px}
.steps{display:flex;gap:8px;margin-bottom:22px;font-size:13px;color:var(--muted)}
.steps .on{color:var(--brand);font-weight:700}

.muted{color:var(--muted)}
.right{text-align:right}
.nowrap{white-space:nowrap}
.empty{padding:40px;text-align:center;color:var(--muted)}
code{background:#f0f2f7;padding:1px 6px;border-radius:5px;font-size:13px}
.toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}
.toolbar form{display:flex;gap:8px;align-items:center}