:root{
    --bg:#eef1f6; --surface:#ffffff; --ink:#182230; --muted:#64748b;
    --border:#e3e8ef; --border-strong:#cdd5e0;
    --accent:#2f5bd0; --accent-ink:#fff;
    --up:#15803d; --up-bg:#e7f6ec;
    --down:#c0271f; --down-bg:#fbe9e8;
    --bk:#6b46c1; --bk-bg:#efeafe;
    --off:#64748b; --off-bg:#eef1f6;
    --radius:10px;
    --shadow:0 1px 2px rgba(16,24,40,.06);
    --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
    --sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
    margin:0;font-family:var(--sans);color:var(--ink);background:var(--bg);
    line-height:1.5;font-size:15px;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:1.5rem;margin:0 0 .15rem;letter-spacing:-.01em}
h2{font-size:1.05rem;margin:0 0 .9rem}
hr{border:0;border-top:1px solid var(--border);margin:1.1rem 0}
code{font-family:var(--mono);font-size:.85em;background:var(--off-bg);padding:.1em .35em;border-radius:4px}
.muted{color:var(--muted)}
.small{font-size:.82rem}

/* layout */
.wrap{max-width:1060px;margin:0 auto;padding:0 1.1rem}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:56px}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:650;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--up);box-shadow:0 0 0 3px var(--up-bg)}
.nav{display:flex;align-items:center;gap:1.1rem;font-size:.92rem}
.nav a{color:var(--muted);font-weight:500}
.nav a.on{color:var(--ink)}
.nav-user{color:var(--muted);border-left:1px solid var(--border);padding-left:1.1rem}
.nav-out{color:var(--down)!important}
main.wrap{padding-top:1.6rem;padding-bottom:2rem}

.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1.2rem;flex-wrap:wrap}
.head-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.crumb{margin:.2rem 0 1rem;font-size:.9rem}

/* card */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow);padding:1.2rem 1.3rem;margin-bottom:1.2rem}
.table-card{padding:0;overflow:hidden}
.empty{text-align:center;padding:2.4rem}
.empty p{color:var(--muted);margin:0 0 1rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
@media(max-width:820px){.grid-2{grid-template-columns:1fr}}

/* table */
.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:.8rem;
    padding:.7rem 1rem;border-bottom:1px solid var(--border);background:#f8fafc}
.tbl td{padding:.75rem 1rem;border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl-tight th,.tbl-tight td{padding:.5rem .6rem}
.site-name{font-weight:600;color:var(--ink)}
.site-url{color:var(--muted);font-size:.82rem;margin-top:.1rem}
.row-act{white-space:nowrap;text-align:right}
.row-act .btn{margin-left:.35rem}

/* badges */
.badge{display:inline-block;font-size:.76rem;font-weight:600;padding:.2rem .55rem;border-radius:999px;line-height:1.3}
.badge-up{color:var(--up);background:var(--up-bg)}
.badge-down{color:var(--down);background:var(--down-bg)}
.badge-bk{color:var(--bk);background:var(--bk-bg)}
.badge-off,.badge-unk{color:var(--off);background:var(--off-bg)}

/* buttons */
.btn{display:inline-block;font-family:inherit;font-size:.9rem;font-weight:550;cursor:pointer;
    padding:.5rem .9rem;border-radius:8px;border:1px solid var(--border-strong);
    background:var(--surface);color:var(--ink);transition:background .12s,border-color .12s}
.btn:hover{background:#f4f6fa;text-decoration:none}
.btn-sm{padding:.32rem .6rem;font-size:.82rem}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:#264ab0}
.btn-danger{background:var(--surface);border-color:var(--down);color:var(--down)}
.btn-danger:hover{background:var(--down-bg)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* forms */
.stack{display:flex;flex-direction:column;gap:1rem}
label{display:block;font-weight:550;font-size:.9rem}
label .muted{font-weight:400}
input,select{width:100%;font-family:inherit;font-size:.95rem;margin-top:.35rem;
    padding:.55rem .65rem;border:1px solid var(--border-strong);border-radius:8px;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.chk{display:flex;align-items:center;gap:.55rem;font-weight:500}
.chk input{width:auto;margin:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:640px){.row2{grid-template-columns:1fr}}
.subform{border-left:3px solid var(--border);padding-left:1rem;margin-left:.2rem;
    display:flex;flex-direction:column;gap:1rem}
.form-foot{display:flex;gap:.6rem;align-items:center;margin-top:.4rem}
.form-wide{max-width:none}

/* alerts */
.alert{padding:.7rem .9rem;border-radius:8px;margin-bottom:1.1rem;font-size:.92rem;border:1px solid transparent}
.alert-up{color:var(--up);background:var(--up-bg);border-color:#c4e6cf}
.alert-down{color:var(--down);background:var(--down-bg);border-color:#f2ccc9}

/* auth */
.auth-body{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:1rem}
.auth-card{width:100%;max-width:380px;margin:0}
.auth-card h1{display:flex;align-items:center;gap:.5rem;font-size:1.3rem}

.foot{color:var(--muted);font-size:.8rem;padding:1.4rem 1.1rem;text-align:center}

/* ── preloader / overlay semasa proses backup atau semakan ── */
.preloader{
    position:fixed; inset:0; z-index:50;
    align-items:center; justify-content:center;   /* display dikawal inline oleh JS */
    background:rgba(24,34,48,.55);
    -webkit-backdrop-filter:blur(2px); backdrop-filter:blur(2px);
}
.preloader-box{
    background:var(--surface); border:1px solid var(--border);
    border-radius:var(--radius); box-shadow:0 10px 30px rgba(16,24,40,.18);
    padding:1.6rem 1.6rem; max-width:340px; width:calc(100% - 2.4rem); text-align:center;
}
.spinner{
    width:38px; height:38px; margin:0 auto 1rem;
    border-radius:50%; border:3px solid var(--border-strong);
    border-top-color:var(--accent); animation:wsvt-spin .8s linear infinite;
}
@keyframes wsvt-spin{ to{ transform:rotate(360deg) } }
.preloader-msg{ font-weight:600; color:var(--ink); margin-bottom:.3rem }
.preloader-sub{ font-size:.82rem; color:var(--muted); line-height:1.45 }
.btn.is-busy{ opacity:.6; cursor:progress }
@media (prefers-reduced-motion:reduce){ .spinner{ animation-duration:1.6s } }

/* banner "backup sedang berjalan" */
.alert-run{
    background:var(--bk-bg); border:1px solid #d9ccf5; color:var(--bk);
    display:flex; align-items:center; gap:.6rem;
}
.spinner-sm{ width:16px; height:16px; border-width:2px; margin:0; flex:0 0 auto }