:root {
  --ink: #12141C;
  --panel: #1B1F2B;
  --panel-raised: #222738;
  --line: #2C3244;
  --text: #EDEEF2;
  --text-muted: #8B92A6;
  --signal-amber: #F2A93B;
  --comms-teal: #2BB3A3;
  --alert-coral: #E85C4A;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, canvas, svg { max-width: 100%; }

button {
  font-family: inherit;
  cursor: pointer;
}

.shell {
  min-height: 100vh;
}

/* ---------------- Sidebar ---------------- */
.sidebar {
  background: #0E1017;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  min-width: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 240px;
  overflow-y: auto;
  z-index: 10;
}

.sidebar-close,
.hamburger-btn {
  display: none;
}

.sidebar-scrim {
  display: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 16px;
}

.brand-text { flex: 1; min-width: 0; }

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(145deg, var(--signal-amber), #c97f1e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: #17140d;
  font-size: 16px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.2;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.nav-item {
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.nav-item:hover { background: var(--panel); color: var(--text); }

.nav-item.is-active {
  background: var(--panel-raised);
  color: var(--signal-amber);
}

.sidebar-foot {
  border-top: 1px solid var(--line);
  padding-top: 14px;
  margin-top: 14px;
}

.foot-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.foot-value {
  font-family: var(--font-mono);
  font-size: 12px;
  margin-top: 4px;
}

/* ---------------- Main ---------------- */
.main {
  padding: 28px 36px 60px;
  max-width: 1180px;
  min-width: 0;
  width: 100%;
  margin-left: 240px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 18px;
  gap: 24px;
  flex-wrap: wrap;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.topbar-left-text { min-width: 0; }

.eyebrow {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.topbar h1 {
  font-family: var(--font-display);
  font-size: 26px;
  margin: 0;
}

.network-toggle {
  display: flex;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 4px;
  gap: 2px;
  flex-wrap: wrap;
}

.net-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 7px;
}

.net-btn.is-active {
  background: var(--alert-coral);
  color: #1a0d0a;
}

/* Signature element: live signal strip */
.signal-strip {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 18px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.signal-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 20px;
}

.signal-bars span {
  width: 5px;
  background: var(--line);
  border-radius: 2px;
  transition: background 0.3s, height 0.3s;
}
.signal-bars span:nth-child(1) { height: 6px; }
.signal-bars span:nth-child(2) { height: 10px; }
.signal-bars span:nth-child(3) { height: 14px; }
.signal-bars span:nth-child(4) { height: 18px; }
.signal-bars span:nth-child(5) { height: 22px; }

.signal-bars span.is-lit { background: var(--comms-teal); }
.signal-bars span.is-degraded { background: var(--alert-coral); }

.signal-readout {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------------- Cards ---------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.metric-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
}

.metric-card .m-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.metric-card .m-value {
  font-family: var(--font-mono);
  font-size: 24px;
  margin-top: 6px;
  color: var(--text);
}

.metric-card.warn .m-value { color: var(--alert-coral); }
.metric-card.good .m-value { color: var(--comms-teal); }

/* ---------------- Panels ---------------- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px 22px;
  margin-bottom: 20px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 6px;
}

.panel-head h2 {
  font-family: var(--font-display);
  font-size: 15px;
  margin: 0;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 7px;
}

.info-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  border: 1.5px solid var(--text-muted);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  font-style: italic;
  font-family: var(--font-display);
  cursor: help;
  flex-shrink: 0;
  transition: border-color 0.15s, color 0.15s;
}

.info-icon:hover,
.info-icon:focus {
  border-color: var(--signal-amber);
  color: var(--signal-amber);
}

/* Custom styled tooltip, shown via data-tip attribute */
.info-icon::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: max-content;
  max-width: 260px;
  background: #05060a;
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 400;
  font-style: normal;
  line-height: 1.5;
  padding: 10px 12px;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.45);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 50;
  text-align: left;
  white-space: normal;
}

.info-icon::before {
  content: "";
  position: absolute;
  bottom: calc(100% + 5px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  border: 5px solid transparent;
  border-top-color: var(--line);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.12s ease, transform 0.12s ease;
  z-index: 50;
}

.info-icon:hover::after,
.info-icon:hover::before,
.info-icon:focus::after,
.info-icon:focus::before {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.panel-note {
  font-size: 11.5px;
  color: var(--text-muted);
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ---------------- Tables ---------------- */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

.table td {
  padding: 10px 10px;
  border-bottom: 1px solid #232838;
}

.table tbody tr:hover { background: rgba(255,255,255,0.02); }
.table tbody tr.is-clickable { cursor: pointer; }

/* ---------------- Mini room list ---------------- */
.mini-room-list { display: flex; flex-direction: column; gap: 8px; }

.mini-room-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: var(--panel-raised);
  border-radius: 8px;
  font-size: 13px;
}

.tag {
  font-size: 10.5px;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}
.tag.t-1v1 { background: rgba(43,179,163,0.15); color: var(--comms-teal); }
.tag.t-squad { background: rgba(242,169,59,0.15); color: var(--signal-amber); }
.tag.t-broadcast { background: rgba(232,92,74,0.15); color: var(--alert-coral); }

/* ---------------- Participants ---------------- */
.participant-list { display: flex; flex-direction: column; gap: 6px; }

.participant-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px;
  border-radius: 8px;
  background: var(--panel-raised);
  font-size: 13px;
}

.participant-row .p-actions button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
  margin-left: 4px;
}
.participant-row .p-actions button:hover { border-color: var(--signal-amber); color: var(--signal-amber); }

/* ---------------- Quickstart ---------------- */
.platform-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.platform-tab {
  background: var(--panel-raised);
  border: 1px solid var(--line);
  color: var(--text-muted);
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 500;
}
.platform-tab.is-active { border-color: var(--signal-amber); color: var(--signal-amber); }

.quickstart-body {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 24px;
  min-width: 0;
}

.qs-col { min-width: 0; }

.qs-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin: 12px 0 6px;
}

.code-block {
  background: #0E1017;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--comms-teal);
  overflow-x: auto;
  white-space: pre;
}

.code-block.small { font-size: 11.5px; color: var(--text-muted); }

.qs-timer-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.primary-btn {
  background: var(--signal-amber);
  color: #1a1206;
  border: none;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 16px;
  border-radius: 8px;
}
.primary-btn:hover { filter: brightness(1.08); }

.timer-display {
  font-family: var(--font-mono);
  font-size: 34px;
  margin-top: 16px;
  color: var(--signal-amber);
}

.timer-caption {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* ---------- Topbar controls ---------- */
.topbar-controls {
  display: flex;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.time-range-select {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--font-body);
  cursor: pointer;
}

.auto-refresh-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  cursor: pointer;
}

.auto-refresh-toggle input {
  cursor: pointer;
  width: 16px;
  height: 16px;
  accent-color: var(--signal-amber);
}

/* ---------- Status pills & badges ---------- */
.status-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.status-pill.success {
  background: rgba(43, 179, 163, 0.2);
  color: var(--comms-teal);
}

.status-pill.info {
  background: rgba(242, 169, 59, 0.2);
  color: var(--signal-amber);
}

.status-pill.error {
  background: rgba(232, 92, 74, 0.2);
  color: var(--alert-coral);
}

.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-azure {
  background: rgba(52, 152, 219, 0.15);
  color: #5DADE2;
}

.badge-active {
  background: rgba(43, 179, 163, 0.15);
  color: var(--comms-teal);
}

.badge-inactive {
  background: rgba(139, 146, 166, 0.15);
  color: var(--text-muted);
}

code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--comms-teal);
  background: rgba(43, 179, 163, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ---------- Table controls ---------- */
.table-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

.search-input {
  flex: 1;
  background: var(--panel-raised);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--font-body);
}

.search-input::placeholder { color: var(--text-muted); }

.status-filter {
  background: var(--panel-raised);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--font-body);
  cursor: pointer;
}

/* ---------- Settings page ---------- */
.settings-layout {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 20px;
}

.settings-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.settings-nav-item {
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.settings-nav-item:hover {
  background: var(--panel);
  color: var(--text);
}

.settings-nav-item.is-active {
  background: var(--panel-raised);
  color: var(--signal-amber);
}

.settings-main { }

.settings-section {
  display: none;
}

.settings-section.is-visible {
  display: block;
}

.settings-head {
  margin-bottom: 20px;
}

.settings-head h2 {
  font-family: var(--font-display);
  font-size: 18px;
  margin: 0 0 6px;
  font-weight: 600;
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.form-input {
  background: var(--panel-raised);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--font-body);
}

.form-input:disabled {
  color: var(--text-muted);
  opacity: 0.7;
}

.settings-toggles {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.toggle-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle-item label {
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
}

.toggle-input {
  width: 16px;
  height: 16px;
  accent-color: var(--signal-amber);
  cursor: pointer;
}

.webhooks-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.webhook-item {
  background: var(--panel-raised);
  border: 1px solid var(--line);
  padding: 12px 14px;
  border-radius: 8px;
}

.wh-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.wh-url {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--comms-teal);
}

.wh-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.webhooks-deliveries {
  margin-top: 24px;
}

.webhooks-deliveries h3 {
  font-family: var(--font-display);
  font-size: 14px;
  margin: 0 0 12px;
  font-weight: 600;
}

.privacy-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

.info-item {
  background: var(--panel-raised);
  padding: 14px 16px;
  border-radius: 8px;
}

.info-item strong {
  display: block;
  font-size: 13px;
  margin-bottom: 6px;
}

.info-item p {
  margin: 0;
  font-size: 13px;
  color: var(--comms-teal);
}

.privacy-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

/* ---------- Glossary ---------- */
.glossary-list { display: flex; flex-direction: column; gap: 26px; }

.glossary-section h3 {
  font-family: var(--font-display);
  font-size: 14px;
  margin: 0 0 10px;
  font-weight: 600;
  color: var(--signal-amber);
}

.glossary-section .table td { font-size: 12.5px; color: var(--text-muted); }
.glossary-section .table td:first-child { color: var(--text); font-weight: 500; }

/* ---------- Utility ---------- */
.is-hidden { display: none; }
.is-visible { display: block; }

/* ============================================================
   Responsive breakpoints
   ============================================================ */

/* ---- Tablet: 1024px and below ---- */
@media (max-width: 1024px) {
  .main { padding: 24px 24px 48px; }
  .split { grid-template-columns: 1fr; }
  .quickstart-body { grid-template-columns: 1fr; }
  .settings-layout { grid-template-columns: 140px 1fr; gap: 14px; }
}

/* ---- Small tablet / large phone: 860px and below ---- */
@media (max-width: 860px) {
  /* Sidebar becomes an off-canvas drawer instead of vanishing */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 260px;
    max-width: 82vw;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: 2px 0 24px rgba(0,0,0,0.4);
  }
  .sidebar.is-open { transform: translateX(0); }

  .sidebar-close {
    display: block;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 22px;
    line-height: 1;
    padding: 4px 8px;
    margin-left: auto;
  }
  .sidebar-close:hover { color: var(--text); }

  .sidebar-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 99;
  }
  .sidebar-scrim.is-visible { display: block; }

  .hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 8px;
    width: 36px;
    height: 36px;
    padding: 0;
    flex-shrink: 0;
  }
  .hamburger-btn span {
    display: block;
    width: 16px;
    height: 2px;
    background: var(--text);
    margin: 0 auto;
  }

  .main { padding: 18px 16px 40px; margin-left: 0; }
  .topbar { align-items: flex-start; }
  .topbar h1 { font-size: 21px; }
  .topbar-controls { width: 100%; justify-content: flex-start; }
  .control-group { width: 100%; justify-content: space-between; }
  .network-toggle { width: 100%; justify-content: space-between; }
  .net-btn { flex: 1; text-align: center; padding: 8px 6px; }

  .settings-layout { grid-template-columns: 1fr; }
  .settings-nav { flex-direction: row; flex-wrap: wrap; }

  .card-grid { grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
}

/* ---- Phone: 520px and below ---- */
@media (max-width: 520px) {
  .main { padding: 14px 12px 32px; }
  .panel { padding: 16px 14px; }
  .topbar h1 { font-size: 19px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .metric-card { padding: 12px 14px; }
  .metric-card .m-value { font-size: 19px; }
  .time-range-select,
  .status-filter { flex: 1; min-width: 0; }
  .table-controls { flex-direction: column; }
  .signal-readout { font-size: 12px; }
  .timer-display { font-size: 26px; }
}