:root {
  --bg: #0B0F19;
  --surface: #111827;
  --surface-2: #172033;
  --surface-3: #1F2A40;
  --border: #263049;
  --text: #E5E7EB;
  --text-strong: #FFFFFF;
  --muted: #94A3B8;
  --faint: #64748B;
  --gold: #D4AF37;
  --gold-hover: #E3BF4A;
  --gold-soft: rgba(212, 175, 55, 0.12);
  --on-gold: #1A1404;
  --green: #22C55E;
  --green-soft: rgba(34, 197, 94, 0.12);
  --red: #EF4444;
  --red-soft: rgba(239, 68, 68, 0.12);
  --amber: #F59E0B;
  --amber-soft: rgba(245, 158, 11, 0.12);
  --blue: #60A5FA;
  --blue-soft: rgba(96, 165, 250, 0.12);
  --console: #070A12;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 10px;
  --radius-sm: 6px;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
:root[data-theme="light"] {
  --bg: #F5F6FA;
  --surface: #FFFFFF;
  --surface-2: #F1F3F8;
  --surface-3: #E7EAF2;
  --border: #DDE1EA;
  --text: #1F2937;
  --text-strong: #0B0F19;
  --muted: #5B6578;
  --faint: #8A93A6;
  --gold: #B8901C;
  --gold-hover: #A07C14;
  --gold-soft: rgba(184, 144, 28, 0.12);
  --on-gold: #FFFFFF;
  --green: #16A34A;
  --red: #DC2626;
  --amber: #D97706;
  --blue: #2563EB;
  --console: #0F1420;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--text); font: 14px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
h1, h2, h3, h4 { margin: 0; color: var(--text-strong); font-weight: 600; }
h1 { font-size: 22px; letter-spacing: -0.01em; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
svg.i { width: 16px; height: 16px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

/* ---------- Shell ---------- */
.app { display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: 10px; padding: 18px 18px 14px; }
.brand-mark { width: 32px; height: 32px; border-radius: 8px; background: linear-gradient(135deg, var(--gold), #8C6D12); display: grid; place-items: center; color: var(--on-gold); font-weight: 800; }
.brand-name { font-weight: 700; color: var(--text-strong); }
.brand-sub { font-size: 11px; color: var(--faint); }

.server-switch { margin: 4px 12px 12px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface-2); display: flex; align-items: center; gap: 10px; cursor: pointer; position: relative; }
.server-switch:hover { border-color: var(--gold); }
.server-switch .meta { flex: 1; min-width: 0; }
.server-switch .name { font-weight: 600; color: var(--text-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.server-switch .ip { font: 11.5px var(--mono); color: var(--muted); }
.server-menu { position: absolute; left: 0; right: 0; top: calc(100% + 6px); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); z-index: 30; padding: 6px; display: none; }
.server-menu.open { display: block; }
.server-menu .opt { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); }
.server-menu .opt:hover { background: var(--surface-2); }
.server-menu .sep { height: 1px; background: var(--border); margin: 6px 0; }

.nav { padding: 4px 10px; flex: 1; overflow-y: auto; }
.nav-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--faint); padding: 14px 10px 6px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); color: var(--muted); font-weight: 500; }
.nav a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--gold-soft); color: var(--gold); }
.nav a .count { margin-left: auto; font-size: 11px; background: var(--surface-3); color: var(--muted); padding: 1px 7px; border-radius: 99px; }
.sidebar-foot { border-top: 1px solid var(--border); padding: 12px; display: flex; align-items: center; gap: 10px; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--surface-3); display: grid; place-items: center; font-weight: 700; font-size: 12px; color: var(--gold); }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar { height: 60px; display: flex; align-items: center; gap: 12px; padding: 0 24px; border-bottom: 1px solid var(--border); background: var(--surface); position: sticky; top: 0; z-index: 20; }
.crumbs { display: flex; align-items: center; gap: 8px; color: var(--muted); min-width: 0; }
.crumbs b { color: var(--text-strong); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search { margin-left: auto; display: flex; align-items: center; gap: 8px; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 10px; width: 280px; color: var(--faint); }
.search input { background: none; border: 0; outline: 0; flex: 1; min-width: 0; color: var(--text); }
.kbd { font: 11px var(--mono); border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; color: var(--faint); }
.menu-btn { display: none; }
.content { padding: 24px; max-width: 1280px; width: 100%; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head p { margin: 4px 0 0; color: var(--muted); }

/* ---------- Components ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: var(--radius-sm); border: 1px solid var(--border); background: var(--surface-2); color: var(--text); cursor: pointer; font-weight: 500; white-space: nowrap; }
.btn:hover { border-color: var(--faint); }
.btn.primary { background: var(--gold); border-color: var(--gold); color: var(--on-gold); font-weight: 600; }
.btn.primary:hover { background: var(--gold-hover); }
.btn.danger { color: var(--red); border-color: rgba(239, 68, 68, 0.4); background: transparent; }
.btn.danger:hover { background: var(--red-soft); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn.icon { padding: 7px; }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.card-body { padding: 18px; }
.grid { display: grid; gap: 16px; }
.g-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-main { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }

.stat { padding: 16px 18px; }
.stat .label { color: var(--muted); font-size: 12.5px; display: flex; align-items: center; gap: 8px; }
.stat .value { font-size: 24px; font-weight: 700; color: var(--text-strong); margin-top: 6px; font-variant-numeric: tabular-nums; }
.stat .sub { color: var(--faint); font-size: 12px; margin-top: 2px; }
.meter { height: 6px; background: var(--surface-3); border-radius: 99px; overflow: hidden; margin-top: 10px; }
.meter > span { display: block; height: 100%; background: var(--gold); border-radius: 99px; }
.meter.warn > span { background: var(--amber); }
.meter.ok > span { background: var(--green); }

.badge { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 500; padding: 2px 9px; border-radius: 99px; background: var(--surface-3); color: var(--muted); white-space: nowrap; }
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge.plain::before { display: none; }
.badge.ok { background: var(--green-soft); color: var(--green); }
.badge.err { background: var(--red-soft); color: var(--red); }
.badge.warn { background: var(--amber-soft); color: var(--amber); }
.badge.info { background: var(--blue-soft); color: var(--blue); }
.badge.gold { background: var(--gold-soft); color: var(--gold); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; font-weight: 500; color: var(--faint); text-transform: uppercase; letter-spacing: 0.05em; padding: 10px 18px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px 18px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-2); }
tr.clickable { cursor: pointer; }
.dom { display: flex; align-items: center; gap: 10px; }
.dom-icon { width: 32px; height: 32px; border-radius: 8px; background: var(--surface-3); display: grid; place-items: center; color: var(--gold); font-weight: 700; font-size: 13px; flex: none; }
.dom .n { font-weight: 600; color: var(--text-strong); }
.dom .s { font-size: 12px; color: var(--faint); }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.right { text-align: right; }

.toolbar { display: flex; gap: 10px; align-items: center; padding: 12px 18px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 2px; }
.seg button { border: 0; background: none; padding: 5px 12px; border-radius: 4px; color: var(--muted); cursor: pointer; }
.seg button.on { background: var(--surface); color: var(--text-strong); box-shadow: 0 1px 2px rgba(0,0,0,.2); }

.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 20px; overflow-x: auto; }
.tabs a { padding: 10px 14px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 500; white-space: nowrap; }
.tabs a:hover { color: var(--text); text-decoration: none; }
.tabs a.on { color: var(--gold); border-color: var(--gold); }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.field label { font-weight: 500; color: var(--text-strong); font-size: 13px; }
.field .hint { color: var(--faint); font-size: 12px; }
.input, select.input, textarea.input { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 9px 12px; outline: 0; width: 100%; }
.input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft); }
textarea.input { font-family: var(--mono); font-size: 12.5px; resize: vertical; min-height: 90px; }
.input-group { display: flex; }
.input-group .input { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.input-group .addon { border: 1px solid var(--border); border-left: 0; padding: 9px 12px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; background: var(--surface-3); color: var(--muted); }
.check { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; }
.check input { accent-color: var(--gold); margin-top: 3px; }
.check .t { font-weight: 500; color: var(--text-strong); }
.check .d { color: var(--faint); font-size: 12.5px; }

.type-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.type-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; cursor: pointer; background: var(--surface-2); position: relative; }
.type-card:hover { border-color: var(--faint); }
.type-card.on { border-color: var(--gold); background: var(--gold-soft); }
.type-card .ic { width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center; background: var(--surface-3); color: var(--gold); margin-bottom: 10px; }
.type-card .t { font-weight: 600; color: var(--text-strong); }
.type-card .d { color: var(--muted); font-size: 12.5px; margin-top: 4px; }

.stepper { display: flex; gap: 8px; margin-bottom: 24px; flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: 8px; color: var(--faint); font-weight: 500; }
.step .n { width: 24px; height: 24px; border-radius: 50%; border: 1px solid var(--border); display: grid; place-items: center; font-size: 12px; }
.step.on { color: var(--text-strong); }
.step.on .n { background: var(--gold); border-color: var(--gold); color: var(--on-gold); }
.step.done { color: var(--muted); }
.step.done .n { background: var(--gold-soft); border-color: var(--gold); color: var(--gold); }
.step-line { width: 32px; height: 1px; background: var(--border); align-self: center; }

.kv { display: grid; grid-template-columns: 140px 1fr; gap: 10px 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; color: var(--text-strong); word-break: break-all; }

.console { background: var(--console); color: #CBD5E1; font: 12.5px/1.6 var(--mono); padding: 14px 16px; border-radius: var(--radius-sm); overflow: auto; white-space: pre-wrap; word-break: break-word; }
.console .c-ok { color: #4ADE80; }
.console .c-err { color: #F87171; }
.console .c-warn { color: #FBBF24; }
.console .c-dim { color: #64748B; }
.console .c-cmd { color: #E3BF4A; }

.editor { display: grid; grid-template-columns: 44px 1fr; background: var(--console); border-radius: var(--radius-sm); font: 12.5px/1.65 var(--mono); overflow: auto; max-height: 520px; }
.editor .ln { color: #475569; text-align: right; padding: 12px 10px 12px 0; user-select: none; border-right: 1px solid #1E293B; white-space: pre; }
.editor .code { padding: 12px 14px; color: #CBD5E1; white-space: pre; }
.editor .k { color: #E3BF4A; } .editor .s { color: #86EFAC; } .editor .cm { color: #64748B; } .editor .v { color: #93C5FD; }

.callout { display: flex; gap: 12px; padding: 12px 14px; border-radius: var(--radius-sm); border: 1px solid; font-size: 13px; }
.callout.warn { background: var(--amber-soft); border-color: rgba(245,158,11,.35); }
.callout.warn svg { color: var(--amber); }
.callout.info { background: var(--blue-soft); border-color: rgba(96,165,250,.3); }
.callout.info svg { color: var(--blue); }
.callout.err { background: var(--red-soft); border-color: rgba(239,68,68,.35); }
.callout.err svg { color: var(--red); }
.callout b { color: var(--text-strong); }

.files .row-icon { color: var(--gold); }
.path-bar { display: flex; align-items: center; gap: 4px; font: 13px var(--mono); color: var(--muted); flex-wrap: wrap; }
.path-bar a { color: var(--text); }
.drop { border: 1.5px dashed var(--border); border-radius: var(--radius); padding: 22px; text-align: center; color: var(--muted); margin: 14px 18px; }
.drop b { color: var(--gold); }

.empty { padding: 40px; text-align: center; color: var(--muted); }

/* Modal + drawer */
.overlay { position: fixed; inset: 0; background: rgba(3, 6, 12, 0.6); backdrop-filter: blur(2px); z-index: 50; display: none; align-items: flex-start; justify-content: center; padding: 60px 16px; overflow-y: auto; }
.overlay.open { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; width: 100%; max-width: 560px; box-shadow: var(--shadow); }
.modal.wide { max-width: 760px; }
.modal-head { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-body { padding: 22px; }
.modal-foot { padding: 14px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

.drawer { position: fixed; right: 16px; bottom: 16px; width: 520px; max-width: calc(100vw - 32px); background: var(--surface); border: 1px solid var(--border); border-radius: 12px; box-shadow: var(--shadow); z-index: 40; display: none; }
.drawer.open { display: block; }
.drawer .console { border-radius: 0 0 12px 12px; height: 260px; margin: 0; }
.spin { width: 14px; height: 14px; border: 2px solid var(--gold-soft); border-top-color: var(--gold); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.toast { position: fixed; top: 16px; right: 16px; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--green); border-radius: var(--radius-sm); padding: 12px 16px; box-shadow: var(--shadow); z-index: 60; display: none; }
.toast.open { display: block; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: radial-gradient(ellipse at top, rgba(212,175,55,.10), transparent 60%), var(--bg); }
.login .card { width: 100%; max-width: 380px; padding: 30px; }
.login .brand { padding: 0 0 22px; justify-content: center; }

@media (max-width: 1100px) {
  .g-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .g-main { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: 260px; z-index: 55; transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: none; box-shadow: var(--shadow); }
  .menu-btn { display: inline-flex; }
  .search { display: none; }
  .topbar { padding: 0 16px; }
  .content { padding: 16px; }
  .g-3, .g-2, .type-grid { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: 2px; }
  .kv dd { margin-bottom: 10px; }
  .hide-sm { display: none; }
  td, th { padding: 10px 12px; }
}

/* ---------- App additions ---------- */
[hidden] { display: none !important; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.loading { display: flex; align-items: center; gap: 10px; color: var(--muted); padding: 28px; justify-content: center; }
.err-box { padding: 18px; color: var(--red); }
.toast.err { border-left-color: var(--red); }
.code-area { width: 100%; min-height: 460px; background: var(--console); color: #CBD5E1; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 12px 14px; font: 12.5px/1.65 var(--mono); resize: vertical; tab-size: 4; white-space: pre; outline: 0; }
.code-area:focus { border-color: var(--gold); }
.console div { min-height: 1.6em; }
.console .c-cmd { color: #E3BF4A; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.dns-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 6px 0; }
.empty-state { text-align: center; padding: 56px 24px; }
.empty-state h2 { margin-bottom: 8px; }
.empty-state p { color: var(--muted); margin: 0 0 18px; }
.link-btn { background: none; border: 0; color: var(--gold); cursor: pointer; padding: 0; font: inherit; }
.link-btn:hover { text-decoration: underline; }
.file-name { color: var(--text-strong); cursor: pointer; }
.file-name:hover { color: var(--gold); }
.drop.over { border-color: var(--gold); background: var(--gold-soft); }
.secret-box { font: 14px var(--mono); letter-spacing: .08em; background: var(--surface-2); border: 1px dashed var(--border); padding: 12px; border-radius: var(--radius-sm); word-break: break-all; color: var(--text-strong); }
.bar-chart { display: flex; align-items: flex-end; gap: 3px; height: 110px; }
.bar-chart span { flex: 1; background: var(--gold); opacity: .8; border-radius: 2px 2px 0 0; min-height: 2px; }
.bar-chart span:hover { opacity: 1; }
.kv dd .btn { margin-top: 4px; }