:root {
  color-scheme: dark;
  --bg: #0b0f17;
  --bg-soft: #111725;
  --panel: #151c2c;
  --panel-2: #1b2436;
  --border: #243044;
  --text: #e6ebf5;
  --muted: #8b98ae;
  --accent: #4f8cff;
  --accent-2: #7b5cff;
  --up: #2fbf71;
  --down: #f0525a;
  --degraded: #f5a524;
  --pending: #6b7a90;
  --paused: #55617a;
  --shadow: 0 8px 24px rgba(0, 0, 0, .35);
  --radius: 14px;
  --chat-width: 400px;
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f6fb;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-2: #f7f9fd;
  --border: #e1e7f0;
  --text: #16202f;
  --muted: #64748b;
  --shadow: 0 6px 18px rgba(15, 30, 60, .08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- layout ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 20px;
  background: color-mix(in srgb, var(--bg-soft) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; }
.brand .logo {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #7b5cff);
  display: grid; place-items: center; font-size: 15px;
}
.brand small { display: block; font-weight: 500; font-size: 11px; color: var(--muted); }
.spacer { flex: 1; }
.app-shell { display: flex; min-height: 100vh; align-items: stretch; }
.workspace { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.container { padding: 20px; max-width: 1600px; margin: 0 auto; width: 100%; }

/* ---------- controls ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 13px; border-radius: 9px; cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  transition: .15s border-color, .15s background, .15s transform;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.danger { color: var(--down); border-color: color-mix(in srgb, var(--down) 45%, var(--border)); }
.btn.small { padding: 4px 9px; font-size: 12px; border-radius: 7px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.field {
  padding: 7px 11px; border-radius: 9px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  outline: none; width: 100%;
}
.field:focus { border-color: var(--accent); }
textarea.field { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
label.lbl { display: block; font-size: 12px; color: var(--muted); margin: 0 0 5px; }

/* ---------- summary ---------- */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; position: relative; overflow: hidden;
}
.stat .k { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat .v { font-size: 26px; font-weight: 700; margin-top: 4px; line-height: 1.1; }
.stat .sub { font-size: 12px; color: var(--muted); margin-top: 2px; }
.stat::after { content: ""; position: absolute; inset: auto 0 0 0; height: 3px; background: var(--border); }
.stat.up::after { background: var(--up); }
.stat.down::after { background: var(--down); }
.stat.degraded::after { background: var(--degraded); }
.stat.accent::after { background: var(--accent); }

/* ---------- toolbar ---------- */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .field { width: auto; min-width: 150px; }
.toolbar .grow { flex: 1; min-width: 220px; }
.chip {
  padding: 5px 11px; border-radius: 999px; cursor: pointer; font-size: 12.5px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--muted);
}
.chip.on { color: var(--text); border-color: var(--accent); background: color-mix(in srgb, var(--accent) 16%, transparent); }

/* ---------- monitor grid ---------- */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px 16px; box-shadow: var(--shadow); position: relative;
  border-left: 4px solid var(--pending); cursor: pointer; transition: .15s transform, .15s border-color;
}
.card:hover { transform: translateY(-2px); }
.card.up { border-left-color: var(--up); }
.card.down { border-left-color: var(--down); }
.card.degraded { border-left-color: var(--degraded); }
.card.paused { border-left-color: var(--paused); opacity: .68; }
.card-head { display: flex; align-items: flex-start; gap: 10px; }
.card-title { font-weight: 650; font-size: 15px; word-break: break-word; }
.card-target { font-size: 12px; color: var(--muted); word-break: break-all; margin-top: 2px; font-family: ui-monospace, Menlo, monospace; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; margin-top: 6px; background: var(--pending); }
.dot.up { background: var(--up); box-shadow: 0 0 0 4px color-mix(in srgb, var(--up) 22%, transparent); }
.dot.down { background: var(--down); box-shadow: 0 0 0 4px color-mix(in srgb, var(--down) 22%, transparent); animation: pulse 1.6s infinite; }
.dot.degraded { background: var(--degraded); box-shadow: 0 0 0 4px color-mix(in srgb, var(--degraded) 22%, transparent); }
.dot.paused { background: var(--paused); }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .35 } }

.badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.badge {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--panel-2); border: 1px solid var(--border); color: var(--muted);
}
.badge.type { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); }
.badge.muted-b { color: var(--degraded); border-color: color-mix(in srgb, var(--degraded) 40%, var(--border)); }

.msg { font-size: 12.5px; color: var(--muted); margin-top: 9px; min-height: 18px; word-break: break-word; }
.metrics-row { display: flex; gap: 14px; margin-top: 10px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.metrics-row b { color: var(--text); font-weight: 600; }

.spark { display: flex; gap: 2px; align-items: flex-end; height: 30px; margin-top: 10px; }
.spark i { flex: 1; min-width: 2px; border-radius: 2px; background: var(--pending); opacity: .85; }
.spark i.up { background: var(--up); }
.spark i.down { background: var(--down); }
.spark i.degraded { background: var(--degraded); }
.card-actions { display: flex; gap: 6px; margin-top: 12px; flex-wrap: wrap; }

/* ---------- panels ---------- */
.section { margin-top: 26px; }
.section h2 { font-size: 15px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.section h2 .count { font-size: 12px; color: var(--muted); font-weight: 500; }
.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 10px 14px; border-bottom: 1px solid var(--border); font-weight: 600; }
td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: none; }
.empty { padding: 26px; text-align: center; color: var(--muted); }

/* ---------- hosts ---------- */
.hosts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.host {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px;
}
.host-head { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.host-name { font-weight: 650; }
.gauge { margin-top: 12px; }
.gauge .lg { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.gauge .lg b { color: var(--text); }
.bar { height: 7px; border-radius: 4px; background: var(--panel-2); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 4px; background: var(--up); transition: width .4s; }
.bar > span.warn { background: var(--degraded); }
.bar > span.crit { background: var(--down); }

/* ---------- modal ---------- */
.modal-bg {
  position: fixed; inset: 0; background: rgba(3, 7, 15, .68); backdrop-filter: blur(3px);
  display: grid; place-items: center; padding: 20px; z-index: 60;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px;
  width: min(720px, 100%); max-height: 88vh; overflow: auto; box-shadow: var(--shadow);
}
.modal header {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px 20px; border-bottom: 1px solid var(--border); position: sticky; top: 0;
  background: var(--panel); z-index: 2;
}
.modal header h3 { margin: 0; font-size: 16px; }
.modal .body { padding: 18px 20px; }
.modal footer {
  padding: 14px 20px; border-top: 1px solid var(--border);
  display: flex; gap: 10px; justify-content: flex-end; position: sticky; bottom: 0; background: var(--panel);
}
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.form-grid .full { grid-column: 1 / -1; }
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* ---------- toast ---------- */
#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 80; }
body.chat-open #toasts { right: calc(var(--chat-width) + 18px); }
.toast {
  padding: 11px 15px; border-radius: 10px; background: var(--panel); color: var(--text);
  border: 1px solid var(--border); border-left: 3px solid var(--accent); box-shadow: var(--shadow);
  max-width: 380px; font-size: 13px; animation: slide .25s ease;
}
.toast.err { border-left-color: var(--down); }
.toast.ok { border-left-color: var(--up); }
@keyframes slide { from { opacity: 0; transform: translateX(16px) } }

.status-text.up { color: var(--up); }
.status-text.down { color: var(--down); }
.status-text.degraded { color: var(--degraded); }
.status-text.paused, .status-text.pending { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; }
.live { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.live .pip { width: 7px; height: 7px; border-radius: 50%; background: var(--up); animation: pulse 2s infinite; }
canvas { width: 100%; display: block; }

@media (max-width: 640px) {
  .form-grid { grid-template-columns: 1fr; }
  .container { padding: 14px; }
  .topbar { padding: 10px 14px; }
}

/* ---------- Nebular-style chat dock ---------- */
.nb-chat {
  --chat-radius: 12px;
  width: var(--chat-width);
  flex: none;
  height: 100vh;
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-soft);
  border-left: 1px solid var(--border);
  box-shadow: -12px 0 32px rgba(0, 0, 0, .12);
}
.nb-chat.is-closed { display: none; }
.nb-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.nb-chat-title { display: flex; align-items: center; gap: 10px; min-width: 0; }
.nb-chat-title strong { display: block; font-size: 14px; }
.nb-chat-title small { display: block; color: var(--muted); font-size: 11px; font-weight: 500; }
.nb-chat-header-actions { display: flex; gap: 6px; }
.nb-chat-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center; flex: none;
  font-size: 14px; font-weight: 700;
}
.nb-chat-avatar.assistant {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}
.nb-chat-avatar.user {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
}
.nb-chat-messages {
  flex: 1;
  overflow: auto;
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--bg);
}
.nb-chat-message {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  max-width: 100%;
}
.nb-chat-message.user { flex-direction: row-reverse; }
.nb-chat-bubble {
  max-width: calc(100% - 40px);
  padding: 9px 12px;
  border-radius: var(--chat-radius);
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.nb-chat-message.user .nb-chat-bubble {
  background: color-mix(in srgb, var(--accent) 88%, #1b3f8a);
  border-color: transparent;
  color: #fff;
  border-bottom-right-radius: 4px;
}
.nb-chat-message.assistant .nb-chat-bubble { border-bottom-left-radius: 4px; }
.nb-chat-meta {
  font-size: 10.5px;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 600;
  letter-spacing: .02em;
}
.nb-chat-message.user .nb-chat-meta { color: rgba(255,255,255,.72); text-align: right; }
.nb-chat-text { font-size: 13px; line-height: 1.45; word-break: break-word; white-space: pre-wrap; }
.nb-chat-text code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  padding: 1px 5px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--bg) 65%, transparent);
}
.nb-chat-message.user .nb-chat-text code { background: rgba(0,0,0,.22); }
.nb-chat-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.nb-chat-action {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
}
.nb-chat-action.ok { color: var(--up); border-color: color-mix(in srgb, var(--up) 40%, var(--border)); }
.nb-chat-action.err { color: var(--down); border-color: color-mix(in srgb, var(--down) 40%, var(--border)); }
.nb-chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 0 12px 10px;
  background: var(--bg);
}
.nb-chat-suggestions:empty { display: none; }
.nb-suggest {
  font-size: 11.5px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted);
  cursor: pointer;
}
.nb-suggest:hover { border-color: var(--accent); color: var(--text); }
.nb-chat-form {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--border);
  background: var(--panel);
}
.nb-chat-input {
  flex: 1;
  resize: none;
  min-height: 38px;
  max-height: 120px;
  padding: 8px 12px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  outline: none;
  line-height: 1.4;
}
.nb-chat-input:focus { border-color: var(--accent); }
.nb-chat-send {
  width: 38px; height: 38px; border-radius: 50%;
  border: none; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 14px;
}
.nb-chat-send:disabled { opacity: .45; cursor: not-allowed; }
.nb-chat-think {
  font-size: 12px;
  color: var(--muted);
  border-left: 2px solid var(--border);
  padding: 2px 0 8px 10px;
  margin-bottom: 6px;
  max-height: 140px;
  overflow: auto;
  white-space: pre-wrap;
}
.nb-chat-status {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 4px;
}
.nb-chat-text.streaming::after {
  content: "▍";
  margin-left: 1px;
  animation: chat-caret 1s step-end infinite;
  color: var(--accent);
}
@keyframes chat-caret { 50% { opacity: 0; } }
.nb-chat-typing {
  display: inline-flex; gap: 4px; padding: 4px 0; align-items: center;
}
.nb-chat-typing span { font-size: 12px; color: var(--muted); margin-left: 6px; }
.nb-chat-typing i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--muted);
  animation: chat-dot 1.1s infinite;
}
.nb-chat-typing i:nth-child(2) { animation-delay: .15s; }
.nb-chat-typing i:nth-child(3) { animation-delay: .3s; }
@keyframes chat-dot {
  0%, 80%, 100% { opacity: .25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-3px); }
}

.auth-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}
.auth-user[hidden] { display: none; }
.auth-profile {
  appearance: none;
  background: none;
  border: 0;
  padding: 0;
  margin: 0;
  color: inherit;
  cursor: pointer;
  font: inherit;
  max-width: 160px;
}
.auth-profile:hover #auth-name { color: var(--accent); text-decoration: underline; }
#auth-name {
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
  display: inline-block;
  vertical-align: bottom;
}
.role-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .02em;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--border);
  line-height: 1.4;
}
.role-badge.admin {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.role-badge.viewer {
  color: var(--muted);
  background: var(--panel-2);
}
.role-badge[hidden] { display: none; }
body.is-viewer .admin-only { display: none !important; }
body.is-viewer #chat-dock { display: none !important; }
body.is-viewer .card-actions { display: none; }

/* ---------- Nebular-style auth (login) ---------- */
.nb-auth-body-page { min-height: 100vh; }
.nb-auth {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  background:
    radial-gradient(1100px 520px at 12% -8%, color-mix(in srgb, var(--accent) 24%, transparent), transparent 56%),
    radial-gradient(820px 440px at 108% 8%, color-mix(in srgb, var(--accent-2) 20%, transparent), transparent 52%),
    var(--bg);
}
.nb-auth-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.nb-auth-header {
  padding: 28px 28px 8px;
  text-align: center;
}
.nb-auth-header .logo {
  width: 44px; height: 44px; border-radius: 12px; margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-size: 22px;
}
.nb-auth-header h1 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.nb-auth-header p { margin: 6px 0 0; color: var(--muted); font-size: 13px; }
.nb-auth-form { padding: 20px 28px 28px; display: flex; flex-direction: column; gap: 4px; }
.nb-auth-form[hidden] { display: none !important; }
.nb-auth-form .lbl { margin-top: 10px; }
.nb-auth-form .field { margin-bottom: 4px; }
.nb-auth-form .btn.primary {
  width: 100%;
  justify-content: center;
  margin-top: 16px;
  padding: 10px 13px;
}
.nb-auth-alert {
  padding: 10px 12px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--down) 12%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--down) 35%, var(--border));
  color: var(--down);
  font-size: 13px;
  margin-bottom: 8px;
}
.nb-auth-alert.ok {
  background: color-mix(in srgb, var(--up) 12%, var(--panel));
  border-color: color-mix(in srgb, var(--up) 35%, var(--border));
  color: var(--up);
}
.nb-auth-alert[hidden] { display: none; }
.nb-auth-links {
  display: flex;
  justify-content: center;
  margin-top: 14px;
}
.nb-auth-link {
  background: none;
  border: 0;
  padding: 0;
  color: var(--accent);
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
}
.nb-auth-link:hover { text-decoration: underline; }
.nb-auth-foot {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  max-width: 420px;
}
.nb-auth-foot code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px;
}

@media (max-width: 960px) {
  .nb-chat:not(.is-closed) {
    position: fixed;
    top: 0; right: 0; bottom: 0;
    z-index: 45;
    width: min(var(--chat-width), 100vw);
    box-shadow: -16px 0 40px rgba(0, 0, 0, .35);
  }
  body.chat-open #toasts { right: 18px; }
}