:root {
    --bg: #0b1015;
    --surface: #121920;
    --surface-2: #172129;
    --line: #26333d;
    --text: #edf3f0;
    --muted: #8ea098;
    --green: #43e58c;
    --green-deep: #173d2c;
    --amber: #f5b942;
    --red: #ff6470;
    --blue: #65a7ff;
    --shadow: 0 28px 70px rgba(0, 0, 0, .32);
    font-family: Inter, "Microsoft YaHei UI", "Microsoft YaHei", system-ui, sans-serif;
    color-scheme: dark;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px 1fr; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 250px; padding: 28px 18px; background: #0e151b; border-right: 1px solid var(--line); display: flex; flex-direction: column; z-index: 10; overflow-y: auto; }
.brand { display: flex; gap: 12px; align-items: center; padding: 0 10px 28px; }
.brand strong { display: block; font-size: 18px; letter-spacing: .04em; }
.brand small { color: var(--muted); font-size: 12px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(67,229,140,.65); background: linear-gradient(145deg, #204b38, #10241c); color: var(--green); font-weight: 900; letter-spacing: -.04em; box-shadow: inset 0 0 20px rgba(67,229,140,.08); }
.brand-mark.large { width: 70px; height: 70px; font-size: 25px; }
nav { display: grid; gap: 6px; }
.nav-label { margin: 16px 12px 3px; color: #53645c; font: 700 9px ui-monospace, Consolas, monospace; letter-spacing: .16em; text-transform: uppercase; }
.nav-item { display: flex; align-items: center; gap: 12px; width: 100%; border: 0; background: transparent; padding: 11px 12px; border-radius: 8px; color: #9aaca4; cursor: pointer; text-align: left; transition: .18s ease; }
.nav-item span { display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid #2b3942; border-radius: 6px; font-size: 12px; }
.nav-item:hover { color: var(--text); background: #151e25; }
.nav-item.active { color: var(--text); background: #1a2823; box-shadow: inset 3px 0 var(--green); }
.nav-item.active span { color: var(--green); border-color: #315d47; }
.sidebar-footer { margin-top: auto; border-top: 1px solid var(--line); padding: 18px 10px 0; color: var(--muted); font-size: 12px; display: flex; gap: 9px; align-items: center; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 12px rgba(67,229,140,.85); }

.workspace { grid-column: 2; min-width: 0; padding: 30px 36px 48px; }
.topbar { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-bottom: 28px; }
.topbar h1 { margin: 3px 0 0; font-size: 28px; letter-spacing: -.035em; }
.eyebrow { margin: 0; color: var(--green); font: 700 10px/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .18em; }
.top-actions { display: flex; align-items: center; gap: 16px; color: var(--muted); font: 12px ui-monospace, Consolas, monospace; }
.view { display: none; }
.view.active { display: block; animation: reveal .22s ease; }
@keyframes reveal { from { opacity: 0; transform: translateY(4px); } }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric-grid.six { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.metric { min-height: 145px; padding: 22px; border: 1px solid var(--line); background: linear-gradient(145deg, #151e25, #11181e); position: relative; overflow: hidden; }
.metric::after { content: ""; position: absolute; width: 80px; height: 80px; right: -40px; top: -40px; border: 1px solid #2b3942; transform: rotate(45deg); }
.metric.accent { border-color: #315941; background: linear-gradient(145deg, #172b22, #111a17); }
.metric span, .metric small { display: block; color: var(--muted); }
.metric span { font-size: 13px; }
.metric strong { display: block; margin: 12px 0 6px; font: 700 36px ui-monospace, Consolas, monospace; }
.metric.accent strong { color: var(--green); }
.metric small { font-size: 11px; }
.panel-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(290px, .7fr); gap: 18px; }
.panel, .console-servers, .terminal-panel { border: 1px solid var(--line); background: var(--surface); box-shadow: var(--shadow); }
.panel { padding: 22px; }
.panel-heading, .section-actions, .modal-heading { display: flex; justify-content: space-between; gap: 18px; align-items: center; }
.panel-heading h2, .modal-heading h2 { margin: 5px 0 0; font-size: 18px; }
.button { border: 1px solid var(--line); border-radius: 6px; padding: 9px 14px; cursor: pointer; background: #172129; transition: .15s ease; font-size: 13px; }
.button:hover { transform: translateY(-1px); border-color: #40525d; }
.button:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.button.primary { background: var(--green); border-color: var(--green); color: #07140d; font-weight: 800; }
.button.secondary { color: var(--green); border-color: #315d47; background: #14241d; }
.button.ghost { background: transparent; }
.button.success { border-color: #316447; color: var(--green); background: #14271d; }
.button.warning { border-color: #6c572a; color: var(--amber); background: #292214; }
.button.danger { border-color: #69363b; color: #ff838c; background: #2b171a; }
.button.wide { width: 100%; padding: 12px 16px; }
.server-list { margin-top: 14px; }
.server-row { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 14px; border-top: 1px solid var(--line); padding: 14px 4px; }
.server-row strong, .server-row small { display: block; }
.server-row small { margin-top: 3px; color: var(--muted); }
.empty-state { color: var(--muted); padding: 36px 6px; text-align: center; }
.status-badge { display: inline-flex; align-items: center; gap: 7px; border: 1px solid #34434c; border-radius: 20px; padding: 5px 9px; color: #aab8b2; font-size: 11px; text-transform: uppercase; }
.status-badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #718079; }
.status-badge.running, .status-badge.online { border-color: #315d47; color: var(--green); }
.status-badge.running::before, .status-badge.online::before { background: var(--green); }
.status-badge.starting, .status-badge.stopping, .status-badge.restarting { border-color: #685529; color: var(--amber); }
.status-badge.starting::before, .status-badge.stopping::before, .status-badge.restarting::before { background: var(--amber); }
.status-badge.error, .status-badge.offline { border-color: #5f3338; color: #ff8e96; }
.status-badge.error::before, .status-badge.offline::before { background: var(--red); }
.steps { margin: 18px 0 0; padding: 0; list-style: none; }
.steps li { display: flex; gap: 13px; padding: 16px 0; border-top: 1px solid var(--line); }
.steps b { color: var(--green); font: 12px ui-monospace, Consolas, monospace; }
.steps strong, .steps span { display: block; }
.steps strong { font-size: 13px; }
.steps span { color: var(--muted); margin-top: 5px; font-size: 11px; line-height: 1.5; }

.section-actions { margin-bottom: 18px; }
.section-actions p { color: var(--muted); margin: 0; }
.table-panel { overflow-x: auto; padding: 0; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-size: 11px; letter-spacing: .08em; font-weight: 600; }
td { font-size: 13px; }
td code { color: #b8c8c1; font-size: 11px; word-break: break-all; }
.cell-title strong, .cell-title small { display: block; }
.cell-title small { color: var(--muted); margin-top: 3px; }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.row-actions .button { padding: 6px 9px; font-size: 11px; }

.console-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); min-height: calc(100vh - 145px); }
.console-servers { border-right: 0; padding: 18px 0; box-shadow: none; }
.console-servers .panel-heading { padding: 0 18px 14px; }
.console-server { width: 100%; border: 0; border-top: 1px solid var(--line); background: transparent; padding: 14px 18px; color: var(--muted); text-align: left; cursor: pointer; }
.console-server strong, .console-server small { display: block; }
.console-server small { margin-top: 4px; font-size: 10px; }
.console-server:hover, .console-server.active { background: #17231e; color: var(--text); box-shadow: inset 3px 0 var(--green); }
.terminal-panel { min-width: 0; box-shadow: none; display: flex; flex-direction: column; }
.terminal-toolbar, .terminal-status { display: flex; justify-content: space-between; gap: 14px; align-items: center; padding: 12px 15px; background: #11181d; }
.terminal-toolbar { border-bottom: 1px solid var(--line); }
.terminal-toolbar > div { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.terminal-toolbar strong { margin-left: 8px; font: 12px ui-monospace, Consolas, monospace; color: #c3d0ca; }
.terminal-light { width: 9px; height: 9px; border-radius: 50%; background: #55625d; }
.terminal-light.red { background: #e8626d; }.terminal-light.amber { background: #dca53d; }.terminal-light.green { background: #40c97c; }
.terminal { flex: 1; min-height: 480px; max-height: calc(100vh - 245px); overflow: auto; padding: 18px; background: #090d10; font: 12px/1.65 "Cascadia Mono", Consolas, monospace; scrollbar-color: #34443d #090d10; }
.terminal-placeholder { color: #596761; margin-top: 20vh; text-align: center; }
.terminal-line { white-space: pre-wrap; word-break: break-all; color: #b8c6c0; }
.terminal-line .time { color: #52615b; margin-right: 10px; }
.terminal-line.stderr { color: #ff8e96; }
.terminal-line.system { color: var(--green); }
.terminal-status { border-top: 1px solid var(--line); color: #718079; font: 10px ui-monospace, Consolas, monospace; }
.terminal-status > span { display: flex; gap: 8px; align-items: center; }

.node-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.node-card { border: 1px solid var(--line); background: var(--surface); padding: 20px; }
.node-card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.node-card h3 { margin: 0; font-size: 16px; }
.node-card p { color: var(--muted); margin: 5px 0 0; font-size: 12px; }
.node-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 22px; }
.node-meta div { background: #0e151a; padding: 10px; }
.node-meta small, .node-meta strong { display: block; }
.node-meta small { color: var(--muted); font-size: 10px; }
.node-meta strong { margin-top: 5px; font: 12px ui-monospace, Consolas, monospace; }
.node-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }

.plan-grid, .feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.plan-card, .feature-card { position: relative; border: 1px solid var(--line); background: linear-gradient(145deg, #151e25, #10171c); padding: 22px; overflow: hidden; }
.plan-card::after, .feature-card::after { content: ""; position: absolute; width: 90px; height: 90px; right: -52px; bottom: -52px; border: 1px solid #2b3a42; transform: rotate(45deg); }
.plan-card-header, .feature-card-header { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.plan-card h3, .feature-card h3 { margin: 0; font-size: 17px; }
.plan-card p, .feature-card p { min-height: 42px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.plan-price { margin: 20px 0; font: 800 28px ui-monospace, Consolas, monospace; color: var(--green); }
.plan-price small { color: var(--muted); font-size: 10px; }
.plan-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.plan-specs div { padding: 9px; background: #0d1418; text-align: center; }
.plan-specs strong, .plan-specs small { display: block; }
.plan-specs strong { font: 12px ui-monospace, Consolas, monospace; }
.plan-specs small { margin-top: 4px; color: var(--muted); font-size: 9px; }
.plan-actions { display: flex; gap: 7px; margin-top: 16px; }
.feature-hero { display: flex; justify-content: space-between; gap: 28px; align-items: center; margin-bottom: 18px; padding: 28px; border: 1px solid #315841; background: radial-gradient(circle at 80% 20%, rgba(67,229,140,.12), transparent 28%), #111b17; }
.feature-hero h2 { margin: 6px 0 8px; font-size: 25px; }
.feature-hero p:not(.eyebrow) { margin: 0; color: var(--muted); max-width: 720px; line-height: 1.7; }
.feature-card { min-height: 210px; }
.feature-key { color: #5e7168; font: 10px ui-monospace, Consolas, monospace; }
.feature-placeholder { margin-top: 18px; padding: 10px; border: 1px dashed #385045; color: #83a494; font-size: 11px; }
.settings-panel { max-width: 900px; }
.settings-grid { margin-top: 22px; }
.settings-note { margin-top: 24px; padding: 14px; border-left: 3px solid var(--green); background: #0e1713; color: var(--muted); font-size: 12px; line-height: 1.7; }
.toggle-label { display: flex !important; grid-template-columns: auto 1fr; align-items: center; justify-content: flex-start; }
.toggle-label input { width: 18px; height: 18px; margin: 0; }
.detail-code { display: block; max-width: 340px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #8da097; font: 10px ui-monospace, Consolas, monospace; }

.login-screen { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(380px, .7fr); }
.login-visual { position: relative; overflow: hidden; padding: clamp(44px, 8vw, 110px); display: flex; flex-direction: column; justify-content: center; background: radial-gradient(circle at 68% 35%, rgba(67,229,140,.13), transparent 28%), linear-gradient(145deg, #101b17, #0a0f13 68%); border-right: 1px solid var(--line); }
.login-visual h1 { font-size: clamp(40px, 5.5vw, 76px); line-height: 1.03; letter-spacing: -.055em; max-width: 800px; margin: 28px 0 20px; }
.login-visual > p:not(.eyebrow) { color: var(--muted); max-width: 540px; line-height: 1.8; }
.grid-decoration { position: absolute; inset: 0; pointer-events: none; opacity: .22; background-image: linear-gradient(#365044 1px, transparent 1px), linear-gradient(90deg, #365044 1px, transparent 1px); background-size: 56px 56px; mask-image: linear-gradient(120deg, transparent 35%, #000); }
.login-card { width: min(400px, calc(100% - 48px)); margin: auto; }
.login-card h2 { font-size: 30px; margin: 8px 0; letter-spacing: -.04em; }
.login-card > p:not(.eyebrow), .login-card > small { color: var(--muted); }
.login-card label, .modal label, .install-card label, .credential label { display: grid; gap: 7px; margin: 20px 0; color: #b9c6c0; font-size: 12px; }
input, select, textarea { width: 100%; border: 1px solid #33424b; background: #0d1419; color: var(--text); padding: 11px 12px; border-radius: 5px; outline: none; }
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(67,229,140,.08); }
label small { color: var(--muted); font-size: 10px; }
.form-error { min-height: 18px; color: #ff8790; margin: 10px 0; font-size: 12px; }

.modal { width: min(720px, calc(100vw - 30px)); border: 1px solid #33434c; background: #111920; color: var(--text); padding: 24px; box-shadow: 0 30px 90px rgba(0,0,0,.7); }
.modal::backdrop { background: rgba(3, 7, 9, .76); backdrop-filter: blur(4px); }
.small-modal { width: min(500px, calc(100vw - 30px)); }
.icon-button { border: 0; background: transparent; color: var(--muted); font-size: 28px; cursor: pointer; }
.form-grid { display: grid; gap: 0 16px; }
.form-grid.two { grid-template-columns: 1fr 1fr; }
.span-two { grid-column: 1 / -1; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.credential { background: #0b1115; border: 1px solid var(--line); padding: 2px 16px; }
code { color: var(--green); }
.toast { position: fixed; right: 22px; bottom: 22px; max-width: 360px; padding: 13px 16px; border: 1px solid #315d47; background: #14231c; color: #dceae3; box-shadow: var(--shadow); opacity: 0; transform: translateY(12px); pointer-events: none; transition: .2s ease; z-index: 100; }
.toast.show { opacity: 1; transform: none; }
.toast.error { border-color: #69363b; background: #2a171a; }

.install-page { background: radial-gradient(circle at 15% 20%, rgba(67,229,140,.09), transparent 25%), var(--bg); }
.installer { width: min(1000px, calc(100% - 36px)); margin: 60px auto; display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; align-items: start; }
.installer-brand { padding: 30px 10px; position: sticky; top: 30px; }
.installer-brand h1 { font-size: 43px; letter-spacing: -.05em; margin: 12px 0; }
.installer-brand > p:not(.eyebrow) { color: var(--muted); line-height: 1.8; }
.install-card { background: var(--surface); border: 1px solid var(--line); padding: 28px; box-shadow: var(--shadow); }
.install-card h2 { font-size: 16px; margin: 28px 0 10px; }
.requirement-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.requirement { display: flex; gap: 9px; align-items: center; background: #0e151a; padding: 10px; color: var(--muted); font-size: 11px; }
.requirement span { display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; border: 1px solid currentColor; }
.requirement.passed { color: var(--green); }.requirement.failed { color: var(--red); }
.alert { padding: 13px 16px; margin: 18px 0; border: 1px solid #69363b; background: #2b171a; color: #ff9aa1; font-size: 12px; line-height: 1.6; }
.success-card { text-align: center; padding: 60px 30px; }

@media (max-width: 1050px) {
    .metric-grid { grid-template-columns: 1fr 1fr; }
    .metric-grid.six { grid-template-columns: 1fr 1fr; }
    .panel-grid { grid-template-columns: 1fr; }
    .node-grid { grid-template-columns: 1fr 1fr; }
    .plan-grid, .feature-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 760px) {
    .app-shell { display: block; }
    .sidebar { position: static; width: 100%; height: auto; padding: 14px; }
    .brand { padding-bottom: 12px; }
    nav { display: flex; overflow-x: auto; }
    .nav-item { min-width: max-content; }
    .sidebar-footer { display: none; }
    .workspace { padding: 22px 16px; }
    .topbar, .section-actions { align-items: flex-start; }
    .top-actions #clock { display: none; }
    .metric-grid, .metric-grid.six, .node-grid, .plan-grid, .feature-grid { grid-template-columns: 1fr; }
    .console-layout { grid-template-columns: 1fr; }
    .console-servers { border-right: 1px solid var(--line); }
    #console-server-list { display: flex; overflow-x: auto; }
    .console-server { min-width: 190px; border: 1px solid var(--line); }
    .login-screen { grid-template-columns: 1fr; }
    .login-visual { display: none; }
    .form-grid.two { grid-template-columns: 1fr; }
    .span-two { grid-column: auto; }
    .installer { grid-template-columns: 1fr; margin-top: 24px; }
    .installer-brand { position: static; }
    .requirement-grid { grid-template-columns: 1fr; }
}