:root {
  --bg: #12111c;
  --bg-panel: #1a1826;
  --bg-panel-raised: #221f32;
  --border: #2e2a42;
  --text: #ece9f5;
  --text-dim: #9691ac;
  --text-faint: #6b6680;

  --sakura: #f4a6c1;      /* cherry blossom pink - primary */
  --sakura-dim: #d488a5;
  --indigo: #4b4a8f;
  --gold: #e0b45c;        /* lantern gold - warning */
  --matcha: #7fb69a;      /* matcha teal - success/online */
  --danger: #e07272;

  --radius: 10px;
  --font-ui: -apple-system, "Segoe UI", Inter, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(ellipse at top, #1c1a2b 0%, var(--bg) 55%);
  color: var(--text);
  font-family: var(--font-ui);
  min-height: 100vh;
}

::selection { background: var(--sakura); color: #241726; }

a { color: var(--sakura); text-decoration: none; }

/* ---------- Layout shell ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(26, 24, 38, 0.7);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.brand .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--sakura);
  box-shadow: 0 0 10px var(--sakura);
}
.brand small { color: var(--text-faint); font-weight: 400; margin-left: 4px; }

.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 12.5px; font-family: var(--font-mono);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.status-pill .led { width: 7px; height: 7px; border-radius: 50%; background: var(--text-faint); }
.status-pill.up .led { background: var(--matcha); box-shadow: 0 0 6px var(--matcha); }
.status-pill.up { color: var(--matcha); }
.status-pill.down .led { background: var(--danger); }
.status-pill.down { color: var(--danger); }

main.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 26px;
}
.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.card .label { color: var(--text-faint); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; }
.card .value { font-family: var(--font-mono); font-size: 22px; margin-top: 6px; }

.section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin: 30px 0 12px;
}
.section-head h2 { font-size: 15px; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; margin: 0; }

/* ---------- Buttons & inputs ---------- */

button {
  font-family: var(--font-ui);
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg-panel-raised);
  color: var(--text);
  padding: 8px 14px;
  font-size: 13.5px;
  transition: border-color 0.15s, transform 0.1s;
}
button:hover { border-color: var(--sakura-dim); }
button:active { transform: scale(0.98); }
button.primary { background: var(--sakura); border-color: var(--sakura); color: #241726; font-weight: 600; }
button.primary:hover { background: var(--sakura-dim); }
button.danger { color: var(--danger); }
button.danger:hover { border-color: var(--danger); }
button.ghost { background: transparent; border-color: transparent; padding: 6px 8px; }
button.icon { padding: 6px 9px; }
button:disabled { opacity: 0.4; cursor: not-allowed; }

input, select, textarea {
  font-family: var(--font-ui);
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 11px;
  font-size: 13.5px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--sakura); }
label { font-size: 12.5px; color: var(--text-dim); display: block; margin: 12px 0 5px; }
label:first-child { margin-top: 0; }
.mono { font-family: var(--font-mono); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ---------- Table ---------- */

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-faint); font-weight: 500; padding: 0 12px 8px;
}
td { padding: 12px; border-top: 1px solid var(--border); font-size: 13.5px; vertical-align: middle; }
tr.peer-row:hover { background: rgba(244, 166, 193, 0.04); }
.peer-name { font-weight: 600; }
.peer-note { color: var(--text-faint); font-size: 12px; margin-top: 2px; }

.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-family: var(--font-mono); padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); }
.badge.online { color: var(--matcha); border-color: rgba(127,182,154,0.4); }
.badge.offline { color: var(--text-faint); }
.badge.disabled { color: var(--danger); border-color: rgba(224,114,114,0.4); }
.badge.expiring { color: var(--gold); border-color: rgba(224,180,92,0.4); }

.actions-cell { display: flex; gap: 4px; justify-content: flex-end; }

.empty-state { text-align: center; padding: 50px 20px; color: var(--text-faint); }

/* ---------- Modal ---------- */

.overlay {
  position: fixed; inset: 0; background: rgba(10, 9, 16, 0.65);
  display: flex; align-items: center; justify-content: center; z-index: 100;
  backdrop-filter: blur(2px);
}
.overlay.hidden { display: none; }
.modal {
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 14px;
  width: 440px; max-width: 92vw; max-height: 88vh; overflow-y: auto;
  padding: 22px 24px 24px;
}
.modal h3 { margin: 0 0 4px; font-size: 16px; }
.modal .sub { color: var(--text-faint); font-size: 12.5px; margin-bottom: 6px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 22px; }

.qr-wrap { display: flex; flex-direction: column; align-items: center; gap: 14px; }
.qr-wrap img { border-radius: 10px; background: #fff; padding: 10px; width: 220px; height: 220px; }
.conf-text {
  width: 100%; max-height: 200px; overflow: auto; background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 10px;
  font-family: var(--font-mono); font-size: 11.5px; white-space: pre; color: var(--text-dim);
}

/* ---------- Auth pages ---------- */

.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.auth-card {
  width: 380px; max-width: 90vw;
  background: var(--bg-panel); border: 1px solid var(--border); border-radius: 16px;
  padding: 34px 30px;
}
.auth-card .brand { justify-content: center; margin-bottom: 4px; font-size: 17px; }
.auth-card .sub { text-align: center; color: var(--text-faint); font-size: 12.5px; margin-bottom: 24px; }
.auth-card button.primary { width: 100%; margin-top: 18px; padding: 10px; }
.error-msg { color: var(--danger); font-size: 12.5px; margin-top: 10px; min-height: 16px; }

.toast {
  position: fixed; bottom: 22px; right: 22px; z-index: 200;
  background: var(--bg-panel-raised); border: 1px solid var(--border);
  padding: 11px 16px; border-radius: 10px; font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.toast.error { border-color: rgba(224,114,114,0.5); color: var(--danger); }

/* ---------- Topbar actions wrapper ---------- */
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

/* ---------- Motion ---------- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes modalPop {
  from { opacity: 0; transform: translateY(10px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes overlayFade {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes pulseLed {
  0%, 100% { box-shadow: 0 0 6px currentColor; }
  50% { box-shadow: 0 0 12px currentColor, 0 0 2px currentColor; }
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes toastIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

body { animation: overlayFade 0.25s ease; }

.card { animation: fadeInUp 0.35s ease both; transition: transform 0.15s ease, border-color 0.15s ease; }
.card:hover { transform: translateY(-2px); border-color: var(--sakura-dim); }
.grid-cards .card:nth-child(1) { animation-delay: 0.02s; }
.grid-cards .card:nth-child(2) { animation-delay: 0.06s; }
.grid-cards .card:nth-child(3) { animation-delay: 0.10s; }
.grid-cards .card:nth-child(4) { animation-delay: 0.14s; }

tr.peer-row { animation: fadeInUp 0.3s ease both; }
tr.peer-row td { transition: background 0.15s ease; }

.overlay { animation: overlayFade 0.15s ease; }
.overlay .modal { animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1); }

.status-pill.up .led { animation: pulseLed 2s ease-in-out infinite; }

button { transition: border-color 0.15s ease, transform 0.1s ease, background 0.15s ease, box-shadow 0.15s ease; }
button.primary:hover { box-shadow: 0 2px 14px rgba(244, 166, 193, 0.25); }
button.icon:hover { transform: translateY(-1px); }

.badge { transition: transform 0.1s ease; }

/* ---------- Spinner / loading ---------- */
.spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 2px solid var(--border); border-top-color: var(--sakura);
  border-radius: 50%; animation: spin 0.7s linear infinite;
}
.skeleton-row td {
  color: transparent;
}
.skeleton-bar {
  height: 12px; border-radius: 6px;
  background: linear-gradient(90deg, var(--bg-panel-raised) 25%, var(--border) 50%, var(--bg-panel-raised) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}
@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.toast { animation: toastIn 0.2s ease; }

/* ---------- Diagnostics list ---------- */
.diag-list { display: flex; flex-direction: column; gap: 8px; margin: 14px 0; }
.diag-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 12px; border-radius: 9px; border: 1px solid var(--border);
  background: var(--bg-panel-raised); font-size: 13px; animation: fadeInUp 0.25s ease both;
}
.diag-icon { font-size: 14px; line-height: 1.4; flex-shrink: 0; }
.diag-item .diag-name { font-weight: 600; margin-bottom: 2px; }
.diag-item .diag-detail { color: var(--text-dim); font-size: 12.5px; line-height: 1.4; }
.diag-item.ok { border-color: rgba(127,182,154,0.35); }
.diag-item.ok .diag-icon { color: var(--matcha); }
.diag-item.warn { border-color: rgba(224,180,92,0.35); }
.diag-item.warn .diag-icon { color: var(--gold); }
.diag-item.fail { border-color: rgba(224,114,114,0.4); }
.diag-item.fail .diag-icon { color: var(--danger); }

/* ---------- Responsive ---------- */
.table-wrap { overflow-x: auto; }

@media (max-width: 720px) {
  main.container { padding: 18px 14px 60px; }
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
  .topbar { padding: 12px 14px; flex-wrap: wrap; gap: 8px; }
  .brand small { display: none; }
  .section-head { flex-wrap: wrap; gap: 10px; }
  .section-head button.primary { width: 100%; }

  table thead { display: none; }
  table, table tbody, table tr, table td { display: block; width: 100%; }
  tr.peer-row {
    border: 1px solid var(--border); border-radius: 12px; margin-bottom: 10px;
    padding: 12px; background: var(--bg-panel);
  }
  tr.peer-row td { border-top: none; padding: 4px 0; }
  tr.peer-row td.actions-cell { justify-content: flex-start; margin-top: 8px; padding-top: 8px; border-top: 1px solid var(--border); }
  tr.peer-row td:before {
    content: attr(data-label);
    display: block; font-size: 10.5px; text-transform: uppercase;
    letter-spacing: 0.05em; color: var(--text-faint); margin-bottom: 2px;
  }
  tr.peer-row td.actions-cell:before { content: none; }
  tr.peer-row td.checkbox-cell:before { content: none; }
  tr.peer-row td.checkbox-cell { display: inline-block; padding: 0 0 8px; }
  #selectAllCheckbox { display: none; } /* select-all header hidden on stacked mobile view */

  .modal { width: 94vw !important; padding: 18px 16px 20px; }
  .field-row { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .grid-cards { grid-template-columns: 1fr 1fr; }
  .card .value { font-size: 18px; }
}

/* ---------- Quick-fix banner (inside diagnostics modal) ---------- */
.quick-fix-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 14px; padding: 12px 14px; border-radius: 10px;
  background: linear-gradient(135deg, rgba(244,166,193,0.08), rgba(224,180,92,0.06));
  border: 1px solid rgba(244,166,193,0.25);
}
.quick-fix-banner button.primary { white-space: nowrap; }

/* ---------- Scenario cards ---------- */
.scenario-list { display: flex; flex-direction: column; gap: 10px; margin: 14px 0; max-height: 50vh; overflow-y: auto; }
.scenario-card {
  border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px;
  background: var(--bg-panel-raised); animation: fadeInUp 0.25s ease both;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.scenario-card:hover { border-color: var(--sakura-dim); transform: translateY(-1px); }
.scenario-card.active { border-color: var(--matcha); background: rgba(127,182,154,0.06); }
.scenario-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.scenario-card-name { font-weight: 600; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.scenario-card-notes { color: var(--text-dim); font-size: 12.5px; margin-top: 6px; line-height: 1.5; }
.scenario-card-meta { display: flex; gap: 14px; margin-top: 10px; font-size: 11px; color: var(--text-faint); font-family: var(--font-mono); flex-wrap: wrap; }
.scenario-card-actions { display: flex; gap: 6px; flex-shrink: 0; }
.pill-builtin {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 2px 7px; border-radius: 999px; border: 1px solid var(--border); color: var(--text-faint);
}
.pill-active {
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 2px 7px; border-radius: 999px; background: var(--matcha); color: #0d1a14; font-weight: 700;
}

.plain-toggle {
  display: flex; align-items: flex-start; gap: 8px; font-size: 12px;
  color: var(--text-dim); margin: 10px 0 4px; cursor: pointer; line-height: 1.4;
}
.plain-toggle input { width: auto; margin-top: 2px; accent-color: var(--sakura); }

/* ---------- Checkbox cell / bulk bar ---------- */
.checkbox-cell { width: 32px; }
.checkbox-cell input { width: auto; accent-color: var(--sakura); cursor: pointer; }
.bulk-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--bg-panel-raised); border: 1px solid var(--sakura-dim);
  border-radius: 10px; padding: 10px 14px; margin-bottom: 12px;
  animation: fadeInUp 0.2s ease both; font-size: 13px;
}
.bulk-bar.hidden { display: none; }
.bulk-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.bulk-actions button { padding: 6px 12px; font-size: 12.5px; }

/* ---------- Sortable table headers ---------- */
th.sortable { cursor: pointer; user-select: none; transition: color 0.15s ease; }
th.sortable:hover { color: var(--sakura); }
.sort-arrow { font-size: 9px; margin-left: 3px; color: var(--sakura); }

/* ---------- Modal tabs ---------- */
.tab-bar { display: flex; gap: 4px; margin: 14px 0 4px; border-bottom: 1px solid var(--border); }
.tab-btn {
  background: transparent; border: none; border-bottom: 2px solid transparent;
  border-radius: 0; padding: 8px 4px; margin-right: 14px; font-size: 13px;
  color: var(--text-faint); transition: color 0.15s ease, border-color 0.15s ease;
}
.tab-btn:hover { color: var(--text-dim); border-color: transparent; }
.tab-btn.active { color: var(--sakura); border-bottom-color: var(--sakura); }
.tab-panel { animation: fadeInUp 0.2s ease both; }
.tab-panel.hidden { display: none; }

/* ---------- Engine (protocol) tabs ---------- */
.engine-tabs {
  display: flex; gap: 6px; margin-bottom: 22px;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 5px; width: fit-content;
}
.engine-tab {
  background: transparent; border: none; border-radius: 8px;
  padding: 8px 18px; font-size: 13.5px; color: var(--text-dim);
  transition: background 0.18s ease, color 0.18s ease;
}
.engine-tab:hover { color: var(--text); border-color: transparent; }
.engine-tab.active { background: var(--bg-panel-raised); color: var(--sakura); font-weight: 600; }
.engine-section { animation: fadeInUp 0.25s ease both; }
.hidden { display: none !important; }

@media (max-width: 720px) {
  .engine-tabs { width: 100%; }
  .engine-tab { flex: 1; padding: 8px 10px; font-size: 13px; }
}

/* ---------- Status page ---------- */
.card-sub { color: var(--text-faint); font-size: 11.5px; margin-top: 4px; font-family: var(--font-mono); }

.gauge {
  height: 5px; border-radius: 999px; background: var(--bg);
  overflow: hidden; margin: 10px 0 8px;
}
.gauge-fill {
  height: 100%; width: 0%; border-radius: 999px;
  background: linear-gradient(90deg, var(--matcha), var(--sakura));
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
}
.gauge-fill.warn { background: linear-gradient(90deg, var(--gold), #e59b4a); }
.gauge-fill.crit { background: linear-gradient(90deg, #e59b4a, var(--danger)); }
.gauge-card .value { font-size: 20px; }

.status-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 8px;
}
@media (max-width: 720px) { .status-grid { grid-template-columns: 1fr; } }

dl.kv { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 14px; font-size: 13px; }
dl.kv dt { color: var(--text-faint); font-size: 12px; }
dl.kv dd { margin: 0; font-family: var(--font-mono); font-size: 12.5px; word-break: break-all; }

.service-list { display: flex; flex-direction: column; gap: 7px; }
.service-row {
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; padding: 7px 10px; border-radius: 8px; background: var(--bg);
}
.service-row .svc-state { font-family: var(--font-mono); font-size: 11.5px; }
.svc-active { color: var(--matcha); }
.svc-inactive { color: var(--danger); }
.svc-missing { color: var(--text-faint); }

.port-list { display: flex; flex-wrap: wrap; gap: 6px; }
.port-chip {
  font-family: var(--font-mono); font-size: 11.5px; padding: 3px 9px;
  border-radius: 999px; border: 1px solid var(--border); color: var(--text-dim);
  transition: border-color 0.15s ease, color 0.15s ease;
}
.port-chip:hover { border-color: var(--sakura-dim); color: var(--text); }
.port-chip.udp { border-color: rgba(127,182,154,0.35); color: var(--matcha); }

/* ---------- Advanced disclosure block ---------- */
.advanced-block {
  margin-top: 16px; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px 14px; background: var(--bg);
}
.advanced-block summary {
  cursor: pointer; font-size: 13px; color: var(--text-dim);
  font-weight: 600; user-select: none; list-style: none;
}
.advanced-block summary::-webkit-details-marker { display: none; }
.advanced-block summary:before { content: '▸ '; color: var(--sakura); }
.advanced-block[open] summary:before { content: '▾ '; }
.advanced-block[open] summary { margin-bottom: 4px; }

/* ---------- Traffic history chart ---------- */
.chart-card { padding: 16px 18px 10px; }
.chart-legend {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 12px; color: var(--text-dim); margin-bottom: 10px;
}
.chart-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; }
.chart-legend .dot-rx { background: var(--sakura); }
.chart-legend .dot-tx { background: var(--matcha); }
.chart-legend #chartTotals { margin-left: auto; color: var(--text-faint); font-size: 11.5px; }
.chart-holder { width: 100%; height: 180px; }
.chart-holder svg { width: 100%; height: 100%; display: block; overflow: visible; }
.chart-area-rx { fill: rgba(244,166,193,0.16); }
.chart-area-tx { fill: rgba(127,182,154,0.14); }
.chart-line-rx { fill: none; stroke: var(--sakura); stroke-width: 1.8; stroke-linejoin: round; }
.chart-line-tx { fill: none; stroke: var(--matcha); stroke-width: 1.8; stroke-linejoin: round; }
.chart-grid { stroke: var(--border); stroke-width: 1; }
.chart-label { fill: var(--text-faint); font-size: 10px; font-family: var(--font-mono); }
.chart-empty {
  display: flex; align-items: center; justify-content: center;
  height: 100%; color: var(--text-faint); font-size: 13px; text-align: center;
}

/* ---------- Multi-select picker (subscription bundles) ---------- */
.picker-list {
  max-height: 190px; overflow-y: auto; border: 1px solid var(--border);
  border-radius: 9px; padding: 6px; background: var(--bg);
  display: flex; flex-direction: column; gap: 2px;
}
.picker-row {
  display: flex; align-items: center; gap: 9px; padding: 7px 9px;
  border-radius: 7px; font-size: 13px; cursor: pointer; margin: 0;
  color: var(--text); transition: background 0.12s ease;
}
.picker-row:hover { background: var(--bg-panel-raised); }
.picker-row input { width: auto; accent-color: var(--sakura); }
.picker-meta {
  color: var(--text-faint); font-family: var(--font-mono);
  font-size: 11px; margin-left: 6px;
}