:root {
  color-scheme: dark;
  --bg: #0a0c11;
  --bg-soft: #0e1118;
  --panel: #12151e;
  --panel-2: #171b26;
  --border: #232938;
  --border-strong: #30384b;
  --text: #eef1f7;
  --muted: #939bb0;
  --faint: #6c7488;
  --accent: #5b8cff;
  --accent-2: #22d3ee;
  --accent-soft: rgba(91, 140, 255, 0.13);
  --green: #34d399;
  --green-soft: rgba(52, 211, 153, 0.12);
  --red: #f87171;
  --red-soft: rgba(248, 113, 113, 0.12);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.12);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --font: "Vazirmatn", "Segoe UI", Tahoma, system-ui, -apple-system, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f6fb;
  --bg-soft: #eef1f8;
  --panel: #ffffff;
  --panel-2: #f7f9fd;
  --border: #e0e5ef;
  --border-strong: #cdd5e4;
  --text: #111827;
  --muted: #5b6478;
  --faint: #8b93a7;
  --accent-soft: rgba(59, 110, 241, 0.1);
  --shadow: 0 24px 60px rgba(31, 41, 65, 0.14);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1100px 600px at 85% -10%, rgba(91, 140, 255, 0.14), transparent 60%),
    radial-gradient(900px 500px at 5% 0%, rgba(34, 211, 238, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: var(--mono); direction: ltr; unicode-bidi: embed; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.hidden { display: none !important; }

.shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 26px 0 70px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  backdrop-filter: blur(16px);
  background: linear-gradient(to bottom, var(--bg) 55%, transparent);
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: -0.2px;
  font-size: 19px;
}

.brand .mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, rgba(91, 140, 255, 0.22), rgba(34, 211, 238, 0.16));
  border: 1px solid rgba(91, 140, 255, 0.4);
  box-shadow: inset 0 0 20px rgba(91, 140, 255, 0.12);
}

.brand .mark svg { width: 20px; height: 20px; }

.brand small {
  display: block;
  font-size: 10px;
  font-weight: 600;
  color: var(--faint);
  letter-spacing: 0.6px;
}

.top-actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 11px;
  padding: 9px 15px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: border-color 0.16s, background 0.16s, transform 0.16s, opacity 0.16s;
  white-space: nowrap;
}

.btn:hover { border-color: var(--border-strong); background: var(--panel-2); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn.primary {
  background: linear-gradient(135deg, #4f7ef5, #3aa8ea);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 24px rgba(79, 126, 245, 0.3);
}
.btn.primary:hover { background: linear-gradient(135deg, #5c8af8, #45b2f0); }

.btn.danger { color: var(--red); border-color: rgba(248, 113, 113, 0.32); background: transparent; }
.btn.danger:hover { background: var(--red-soft); }

.btn.ghost { background: transparent; }
.btn.small { padding: 6px 11px; font-size: 12px; border-radius: 9px; }
.btn.icon { padding: 8px; width: 36px; height: 36px; justify-content: center; }

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin: 14px 0 22px;
  flex-wrap: wrap;
}

.hero h1 {
  margin: 0 0 7px;
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: -0.7px;
}

.hero p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}

.stat {
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 15px 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat .label { color: var(--muted); font-size: 12px; }
.stat .value { font-size: 25px; font-weight: 800; letter-spacing: -0.5px; }
.stat .value.green { color: var(--green); }
.stat .value.red { color: var(--red); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 15px;
}

.card {
  position: relative;
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  overflow: hidden;
  transition: border-color 0.18s, transform 0.18s, box-shadow 0.18s;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(91, 140, 255, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.card:hover::before { opacity: 1; }

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 13px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 700;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
}

.pill.online { color: var(--green); background: var(--green-soft); border-color: rgba(52, 211, 153, 0.25); }
.pill.offline { color: var(--red); background: var(--red-soft); border-color: rgba(248, 113, 113, 0.25); }
.pill.unknown { color: var(--amber); background: var(--amber-soft); border-color: rgba(251, 191, 36, 0.25); }

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--faint);
  display: inline-block;
}
.dot.online { background: var(--green); box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.12); }
.dot.offline { background: var(--red); box-shadow: 0 0 0 4px rgba(248, 113, 113, 0.12); }
.dot.unknown { background: var(--amber); box-shadow: 0 0 0 4px rgba(251, 191, 36, 0.12); }

.version {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--faint);
  direction: ltr;
}

.card h3 {
  margin: 0 0 7px;
  font-size: 18px;
  letter-spacing: -0.3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card .endpoint {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card .slugline {
  margin: 0 0 16px;
  font-size: 11.5px;
  color: var(--faint);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.card .slugline code {
  font-family: var(--mono);
  direction: ltr;
  color: var(--muted);
}

.card-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}

.card-actions .spacer { flex: 1; }

.empty {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 52px 24px;
  text-align: center;
  background: linear-gradient(180deg, rgba(18, 21, 30, 0.5), transparent);
}

.empty .icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid rgba(91, 140, 255, 0.3);
}

.empty h2 { margin: 0 0 8px; font-size: 19px; }
.empty p { margin: 0 auto 20px; color: var(--muted); font-size: 13.5px; max-width: 460px; line-height: 1.9; }

.footer {
  margin-top: 44px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--faint);
  font-size: 11.5px;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(3, 5, 9, 0.66);
  backdrop-filter: blur(7px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s;
}
.modal.open { opacity: 1; pointer-events: auto; }

.dialog {
  width: min(560px, 100%);
  max-height: min(86vh, 900px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  box-shadow: var(--shadow);
  transform: translateY(14px) scale(0.985);
  transition: transform 0.2s;
}
.modal.open .dialog { transform: translateY(0) scale(1); }

.dialog header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--panel);
  z-index: 1;
}
.dialog header h2 { margin: 0; font-size: 17px; }
.dialog .body { padding: 20px; }
.dialog footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 9px;
  padding: 15px 20px;
  border-top: 1px solid var(--border);
  position: sticky;
  bottom: 0;
  background: var(--panel);
}

.field { margin-bottom: 15px; }
.field label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 7px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--muted);
}
.field label .hint { font-weight: 500; color: var(--faint); font-size: 11px; }

.input {
  width: 100%;
  appearance: none;
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
  border-radius: 11px;
  padding: 11px 13px;
  font-family: inherit;
  font-size: 13.5px;
  outline: none;
  transition: border-color 0.16s, box-shadow 0.16s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.input.ltr { direction: ltr; text-align: left; font-family: var(--mono); font-size: 12.5px; }

.password-wrap { position: relative; }
.password-wrap .input { padding-left: 72px; }
.password-wrap .toggle {
  position: absolute;
  left: 7px;
  top: 50%;
  transform: translateY(-50%);
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--bg-soft);
  font-size: 12.5px;
  color: var(--muted);
  line-height: 1.7;
}
.check input { margin-top: 2px; accent-color: var(--accent); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 560px) { .form-grid { grid-template-columns: 1fr; } }

.alert {
  padding: 11px 13px;
  border-radius: 11px;
  font-size: 12.5px;
  line-height: 1.7;
  margin-bottom: 14px;
  border: 1px solid transparent;
}
.alert.error { color: var(--red); background: var(--red-soft); border-color: rgba(248, 113, 113, 0.25); }
.alert.info { color: var(--accent); background: var(--accent-soft); border-color: rgba(91, 140, 255, 0.25); }

/* Login */
.auth-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(420px, 100%);
  background: linear-gradient(180deg, var(--panel), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.auth-card .brand { justify-content: center; margin-bottom: 8px; font-size: 21px; }
.auth-card > p { text-align: center; margin: 0 0 24px; font-size: 13px; }
.auth-card form { display: grid; gap: 13px; }
.auth-card .btn.primary { justify-content: center; padding: 12px; font-size: 14px; }
.auth-card .foot { text-align: center; margin-top: 20px; color: var(--faint); font-size: 11px; }

.error-text { color: var(--red); font-size: 12.5px; min-height: 18px; margin: 0; line-height: 1.7; }

/* Toast */
.toast-wrap {
  position: fixed;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 9px;
  align-items: center;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background: var(--panel-2);
  border: 1px solid var(--border-strong);
  color: var(--text);
  border-radius: 12px;
  padding: 11px 16px;
  font-size: 13px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 9px;
  animation: toast-in 0.2s ease-out;
  max-width: min(460px, calc(100vw - 40px));
}
.toast.ok { border-color: rgba(52, 211, 153, 0.4); }
.toast.err { border-color: rgba(248, 113, 113, 0.45); }
.toast .ico { font-weight: 900; }
.toast.ok .ico { color: var(--green); }
.toast.err .ico { color: var(--red); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.skeleton {
  height: 190px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(100deg, var(--panel) 20%, var(--panel-2) 45%, var(--panel) 70%);
  background-size: 250% 100%;
  animation: shimmer 1.4s infinite linear;
}
@keyframes shimmer { to { background-position: -250% 0; } }

@media (max-width: 720px) {
  .shell { width: min(100% - 26px, 1180px); padding-top: 12px; }
  .topbar { padding: 10px 0; }
  .brand { font-size: 16px; }
  .brand .mark { width: 34px; height: 34px; }
  .stats { grid-template-columns: 1fr 1fr 1fr; gap: 8px; }
  .stat { padding: 11px 12px; }
  .stat .value { font-size: 20px; }
  .grid { grid-template-columns: 1fr; }
  .top-actions .label { display: none; }
  .card-actions .btn { flex: 1; justify-content: center; }
}

/* Managed nodes and server management */
.btn.icon svg { width: 18px; height: 18px; display: block; }
.dialog.wide { width: min(680px, 100%); }

.segmented {
  display: flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 16px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.segmented button {
  flex: 1;
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 700;
  padding: 9px 10px;
  border-radius: 9px;
  cursor: pointer;
  transition: background 0.16s, color 0.16s, border-color 0.16s;
}
.segmented button:hover { color: var(--text); }
.segmented button.active {
  background: var(--panel-2);
  border-color: var(--border-strong);
  color: var(--text);
}
.form-note { margin: -4px 0 15px; line-height: 1.9; }

.manage-list { display: grid; gap: 9px; }
.manage-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-soft);
}
.manage-row .meta { min-width: 0; flex: 1; }
.manage-row .meta strong {
  display: block;
  font-size: 13.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.manage-row .meta span {
  display: block;
  margin-top: 3px;
  font-family: var(--mono);
  direction: ltr;
  text-align: left;
  font-size: 11px;
  color: var(--faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.manage-row .acts { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.manage-empty {
  padding: 24px 12px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  border: 1px dashed var(--border-strong);
  border-radius: 12px;
}
@media (max-width: 560px) {
  .manage-row { flex-wrap: wrap; }
  .manage-row .acts { width: 100%; }
  .manage-row .acts .btn { flex: 1; justify-content: center; }
}