:root {
  color-scheme: dark;
  --bg: #101823;
  --sidebar: #111e29;
  --surface: #192434;
  --surface-2: #1e2b3d;
  --surface-hover: #223247;
  --border: #2a394c;
  --border-soft: rgba(144, 164, 190, .13);
  --text: #f4f7fb;
  --text-2: #a6b5c9;
  --text-3: #74859d;
  --primary: #6d5dfc;
  --primary-hover: #7c6dff;
  --accent: #38dc83;
  --accent-soft: rgba(56, 220, 131, .13);
  --danger: #ff647c;
  --danger-soft: rgba(255, 100, 124, .13);
  --warning: #f6b84a;
  --shadow: 0 18px 50px rgba(0, 0, 0, .22);
  --sidebar-width: 256px;
}

:root[data-theme=light] {
  color-scheme: light;
  --bg: #f5f7fb;
  --sidebar: #ffffff;
  --surface: #ffffff;
  --surface-2: #f8faff;
  --surface-hover: #f0f3f9;
  --border: #dce3ed;
  --border-soft: rgba(53, 73, 102, .11);
  --text: #182235;
  --text-2: #607089;
  --text-3: #8795a9;
  --accent-soft: rgba(25, 177, 101, .11);
  --danger-soft: rgba(225, 63, 85, .1);
  --shadow: 0 16px 42px rgba(38, 55, 82, .1);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  font-size: 15px;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  transition: background 0.2s ease, color 0.2s ease;
}

button, input, select {
  font: inherit;
}

button, a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 1040;
  display: flex;
  width: var(--sidebar-width);
  flex-direction: column;
  padding: 26px 18px 18px;
  background: var(--sidebar);
  border-right: 1px solid var(--border-soft);
  transition: transform 0.25s ease, background 0.2s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  padding: 0 9px;
  color: var(--text);
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.045em;
}

.brand:hover {
  color: var(--text);
}

.brand-mark {
  position: relative;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid rgba(56, 220, 131, 0.35);
  border-radius: 9px;
  background: var(--accent-soft);
  transform: rotate(8deg);
}

.brand-mark::before, .brand-mark::after, .brand-mark span {
  content: "";
  position: absolute;
  width: 5px;
  border-radius: 4px;
  background: var(--accent);
}

.brand-mark::before {
  height: 10px;
  left: 6px;
  bottom: 6px;
}

.brand-mark span {
  height: 16px;
  left: 12px;
  bottom: 6px;
}

.brand-mark::after {
  height: 7px;
  left: 18px;
  bottom: 6px;
}

.sidebar-nav {
  margin-top: 42px;
}

.nav-caption {
  margin: 0 12px 10px;
  color: var(--text-3);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.nav-caption-spaced {
  margin-top: 29px;
}

.nav-item {
  display: flex;
  min-height: 46px;
  align-items: center;
  gap: 13px;
  margin: 3px 0;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-2);
  font-size: 0.91rem;
  font-weight: 600;
  transition: 0.18s ease;
}

.nav-item svg {
  width: 19px;
  color: var(--text-3);
}

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

.nav-item.active {
  color: var(--text);
  border-color: var(--border-soft);
  background: var(--surface);
  box-shadow: 0 7px 20px rgba(0, 0, 0, 0.08);
}

.nav-item.active svg {
  color: var(--accent);
}

.nav-badge {
  min-width: 23px;
  margin-left: auto;
  padding: 2px 6px;
  border-radius: 7px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.7rem;
  text-align: center;
}

.alert-badge {
  background: var(--danger-soft);
  color: var(--danger);
}

.sidebar-footer {
  margin-top: auto;
}

.theme-switch {
  display: flex;
  width: 100%;
  height: 44px;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  padding: 0 10px;
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
}

.theme-switch:hover {
  background: var(--surface-hover);
  color: var(--text);
}

.theme-switch-icon {
  font-size: 1.15rem;
}

.theme-switch-label {
  font-size: 0.82rem;
  font-weight: 600;
}

.theme-switch-track {
  position: relative;
  width: 32px;
  height: 18px;
  margin-left: auto;
  border-radius: 20px;
  background: var(--border);
}

.theme-switch-track span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-3);
  transition: 0.2s ease;
}

[data-theme=light] .theme-switch-track {
  background: var(--primary);
}

[data-theme=light] .theme-switch-track span {
  left: 17px;
  background: white;
}

.account-card {
  display: flex;
  align-items: center;
  padding: 11px 8px;
  border-top: 1px solid var(--border-soft);
}

.account-link {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 10px;
}

.avatar {
  display: grid;
  flex: 0 0 38px;
  height: 38px;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(145deg, #292b68, #5e52df);
  color: white;
  font-size: 0.86rem;
  font-weight: 800;
}

.account-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.account-copy strong {
  overflow: hidden;
  color: var(--text);
  font-size: 0.82rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-copy small {
  color: var(--text-3);
  font-size: 0.7rem;
}

.account-action {
  margin-left: auto;
  border: 0;
  background: transparent;
  color: var(--text-3);
}

.account-action:hover {
  color: var(--text);
}

.app-main {
  min-height: 100vh;
  margin-left: var(--sidebar-width);
}

.app-content {
  width: 100%;
  max-width: 1720px;
  margin: 0 auto;
  padding: 42px 44px 64px;
}

.mobile-header {
  display: none;
}

.sidebar-overlay {
  display: none;
}

.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 30px;
}

.eyebrow, .section-kicker {
  color: var(--text-3);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  color: var(--accent);
}

.live-pulse {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.live-pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  50% {
    opacity: 0;
    transform: scale(1.45);
  }
}
.page-heading h1 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
  font-weight: 780;
  letter-spacing: -0.055em;
}

.title-dot, .card-heading h2 span {
  color: var(--accent);
}

.page-heading p {
  margin: 7px 0 0;
  color: var(--text-2);
  font-size: 0.91rem;
}

.heading-actions {
  display: flex;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.83rem;
  font-weight: 700;
  cursor: pointer;
  transition: 0.18s ease;
}

.button svg {
  width: 17px;
}

.button-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(109, 93, 252, 0.2);
}

.button-primary:hover {
  background: var(--primary-hover);
  color: white;
  transform: translateY(-1px);
}

.button-ghost {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text-2);
}

.button-ghost:hover {
  color: var(--text);
  border-color: var(--text-3);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 292px;
  gap: 22px;
  align-items: start;
}

.monitor-workspace {
  min-width: 0;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-bottom: 13px;
}

.toolbar-summary, .toolbar-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.selection-chip, .toolbar-chip, .search-control, .select-control {
  display: flex;
  height: 40px;
  align-items: center;
  gap: 9px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text-2);
}

.selection-chip {
  padding: 0 12px;
  cursor: pointer;
}

input[type=checkbox] {
  width: 15px;
  height: 15px;
  accent-color: var(--primary);
}

.selection-chip span {
  font-size: 0.77rem;
}

.selection-chip b {
  color: var(--text);
}

.toolbar-chip {
  padding: 0 13px;
  font-size: 0.78rem;
  cursor: pointer;
}

.folder-icon {
  color: var(--warning);
}

.search-control {
  width: min(250px, 25vw);
  padding: 0 10px;
}

.search-control svg, .select-control svg {
  flex: 0 0 auto;
  width: 16px;
  color: var(--text-3);
}

.search-control input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.78rem;
}

.search-control input::placeholder {
  color: var(--text-3);
}

.search-control kbd {
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--surface-2);
  color: var(--text-3);
  font: 0.68rem inherit;
}

.select-control {
  padding: 0 8px 0 10px;
}

.select-control select {
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
}

.select-control option {
  background: var(--surface);
  color: var(--text);
}

.monitor-list {
  display: grid;
  gap: 8px;
}

.monitor-card {
  display: grid;
  grid-template-columns: 18px 34px minmax(175px, 1fr) 72px minmax(150px, 220px) 66px 28px;
  min-height: 73px;
  align-items: center;
  gap: 12px;
  padding: 12px 13px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.monitor-card:hover {
  border-color: color-mix(in srgb, var(--border), var(--text-3) 38%);
  background: var(--surface-2);
  transform: translateY(-1px);
}

.monitor-card.selected {
  border-color: var(--primary);
  box-shadow: inset 3px 0 var(--primary);
}

.monitor-check {
  display: grid;
  place-items: center;
}

.status-icon {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 900;
}

.status-icon.up {
  background: var(--accent-soft);
  color: var(--accent);
}

.status-icon.down {
  background: var(--danger-soft);
  color: var(--danger);
}

.status-icon.paused {
  background: rgba(246, 184, 74, 0.13);
  color: var(--warning);
}

.status-icon.large {
  width: 47px;
  height: 47px;
  font-size: 1rem;
  box-shadow: 0 0 0 8px var(--accent-soft);
}

.monitor-info, .monitor-response, .monitor-uptime {
  display: flex;
  min-width: 0;
  flex-direction: column;
}

.monitor-info strong {
  overflow: hidden;
  color: var(--text);
  font-size: 0.86rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.monitor-info span {
  overflow: hidden;
  margin-top: 3px;
  color: var(--text-3);
  font-size: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.monitor-info b {
  margin-right: 6px;
  padding: 2px 5px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-2);
  font-size: 0.58rem;
}

.monitor-response {
  text-align: right;
}

.monitor-response span, .monitor-uptime strong {
  font-size: 0.75rem;
  font-weight: 700;
}

.monitor-response small, .monitor-uptime small {
  color: var(--text-3);
  font-size: 0.64rem;
}

.danger span, .danger strong {
  color: var(--danger);
}

.uptime-graph {
  display: flex;
  height: 27px;
  align-items: stretch;
  gap: 2px;
}

.uptime-graph i {
  width: 3px;
  border-radius: 2px;
  background: var(--border);
}

.uptime-graph i.up {
  background: var(--accent);
}

.uptime-graph i.down {
  background: var(--danger);
}

.uptime-graph i.warn {
  background: var(--warning);
}

.uptime-graph.muted {
  opacity: 0.55;
}

.monitor-uptime {
  text-align: right;
}

.more-button, .card-heading button {
  border: 0;
  background: transparent;
  color: var(--text-3);
  letter-spacing: 0.08em;
  cursor: pointer;
}

.more-button:hover, .card-heading button:hover {
  color: var(--text);
}

.empty-state {
  padding: 70px 20px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  color: var(--text-3);
  text-align: center;
}

.empty-state span {
  display: block;
  font-size: 2rem;
}

.empty-state strong {
  display: block;
  margin-top: 8px;
  color: var(--text);
}

.empty-state p {
  margin: 4px 0 0;
  font-size: 0.8rem;
}

.initial-empty {
  margin-top: 12px;
}

.initial-empty .button {
  margin-top: 18px;
}

.page-alert {
  margin-bottom: 16px;
  padding: 12px 16px;
  border: 1px solid color-mix(in srgb, var(--accent), transparent 55%);
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--text);
  font-size: 0.8rem;
}

.monitor-card > form {
  display: contents;
}

.monitor-delete {
  color: var(--text-3);
  font-size: 1.2rem;
}

.monitor-delete:hover {
  color: var(--danger);
}

.insights-panel {
  display: grid;
  gap: 14px;
}

.insight-card {
  padding: 22px;
  border: 1px solid var(--border-soft);
  border-radius: 13px;
  background: var(--surface);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.card-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.card-heading h2 {
  margin: 4px 0 0;
  font-size: 0.98rem;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.section-kicker {
  color: var(--text-3);
  font-size: 0.6rem;
}

.overall-status {
  display: flex;
  align-items: center;
  flex-direction: column;
  margin: 30px 0 24px;
  text-align: center;
}

.overall-status strong {
  margin-top: 19px;
  font-size: 0.86rem;
}

.overall-status small {
  margin-top: 3px;
  color: var(--text-3);
  font-size: 0.67rem;
}

.status-counts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding-top: 17px;
  border-top: 1px solid var(--border-soft);
}

.status-counts div, .metric-grid div {
  display: flex;
  flex-direction: column;
}

.status-counts div {
  align-items: center;
  border-right: 1px solid var(--border-soft);
}

.status-counts div:last-child {
  border: 0;
}

.status-counts strong {
  font-size: 1.02rem;
}

.status-counts span, .metric-grid span {
  margin-top: 3px;
  color: var(--text-3);
  font-size: 0.64rem;
}

.success {
  color: var(--accent) !important;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 14px;
  margin-top: 25px;
}

.metric-grid strong {
  font-size: 1rem;
}

.availability-chart {
  margin-top: 22px;
}

.chart-bars {
  display: flex;
  height: 52px;
  align-items: flex-end;
  gap: 5px;
  padding: 0 2px;
  border-bottom: 1px solid var(--border);
}

.chart-bars i {
  flex: 1;
  min-height: 5px;
  border-radius: 3px 3px 0 0;
  background: color-mix(in srgb, var(--accent), transparent 25%);
}

.chart-bars i.down {
  background: var(--danger);
}

.availability-chart > div:last-child {
  display: flex;
  justify-content: space-between;
  margin-top: 7px;
  color: var(--text-3);
  font-size: 0.58rem;
}

.compact-card {
  display: grid;
  grid-template-columns: 38px 1fr auto;
  align-items: center;
  gap: 11px;
  padding: 16px;
}

.shield-icon {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 10px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}

.compact-card > div:nth-child(2) {
  display: flex;
  flex-direction: column;
}

.compact-card strong {
  font-size: 0.75rem;
}

.compact-card span {
  color: var(--text-3);
  font-size: 0.61rem;
}

.compact-card > .success {
  font-size: 0.62rem;
  font-weight: 750;
}

.app-modal {
  border: 1px solid var(--border);
  border-radius: 15px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.app-modal .modal-header, .app-modal .modal-footer {
  border-color: var(--border-soft);
  padding: 20px 22px;
}

.app-modal .modal-body {
  display: grid;
  gap: 17px;
  padding: 22px;
}

.app-modal .modal-title {
  margin-top: 4px;
  font-size: 1.2rem;
  font-weight: 750;
}

.app-modal .btn-close {
  filter: var(--close-filter, invert(1));
}

[data-theme=light] .app-modal .btn-close {
  --close-filter: none;
}

.field-label {
  display: grid;
  gap: 7px;
  color: var(--text-2);
  font-size: 0.76rem;
  font-weight: 650;
}

.app-modal .form-control, .app-modal .form-select {
  min-height: 44px;
  border-color: var(--border);
  border-radius: 9px;
  background-color: var(--surface-2);
  color: var(--text);
  font-size: 0.82rem;
}

.app-modal .form-control::placeholder {
  color: var(--text-3);
}

.app-modal .form-control:focus, .app-modal .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(109, 93, 252, 0.14);
}

.app-toast {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.status-dot.up {
  background: var(--accent);
}

@media (max-width: 1280px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  .insights-panel {
    grid-template-columns: repeat(3, 1fr);
  }
  .status-summary {
    grid-row: span 2;
  }
  .compact-card {
    align-self: start;
  }
}
@media (max-width: 1050px) {
  .monitor-card {
    grid-template-columns: 18px 34px minmax(150px, 1fr) 65px minmax(110px, 160px) 60px 24px;
    gap: 8px;
  }
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }
  .toolbar-controls {
    justify-content: flex-end;
  }
  .search-control {
    width: 100%;
  }
}
@media (max-width: 820px) {
  :root {
    --sidebar-width: 270px;
  }
  .sidebar {
    transform: translateX(-100%);
    box-shadow: var(--shadow);
  }
  body.sidebar-open {
    overflow: hidden;
  }
  body.sidebar-open .sidebar {
    transform: translateX(0);
  }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 1035;
    background: rgba(4, 10, 18, 0.62);
    backdrop-filter: blur(2px);
  }
  body.sidebar-open .sidebar-overlay {
    display: block;
  }
  .app-main {
    margin-left: 0;
  }
  .mobile-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    display: flex;
    height: 66px;
    align-items: center;
    justify-content: space-between;
    padding: 0 18px;
    border-bottom: 1px solid var(--border-soft);
    background: color-mix(in srgb, var(--bg), transparent 6%);
    backdrop-filter: blur(14px);
  }
  .brand.compact {
    padding: 0;
    font-size: 1.05rem;
  }
  .brand.compact .brand-mark {
    width: 25px;
    height: 25px;
    transform: scale(0.88) rotate(8deg);
  }
  .icon-button {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--surface);
    color: var(--text);
  }
  .app-content {
    padding: 26px 18px 50px;
  }
  .insights-panel {
    grid-template-columns: 1fr 1fr;
  }
  .status-summary {
    grid-row: auto;
  }
  .compact-card {
    grid-column: 1/-1;
  }
}
@media (max-width: 650px) {
  .page-heading {
    align-items: stretch;
    flex-direction: column;
    margin-bottom: 22px;
  }
  .heading-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .toolbar-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .search-control {
    grid-column: 1/-1;
    width: 100%;
  }
  .select-control {
    min-width: 0;
  }
  .select-control select {
    width: 100%;
  }
  .monitor-card {
    grid-template-columns: 18px 30px minmax(0, 1fr) auto;
    min-height: 88px;
    padding: 12px 10px;
  }
  .monitor-info {
    grid-column: 3/5;
  }
  .monitor-response {
    display: none;
  }
  .uptime-graph {
    grid-column: 3;
    height: 20px;
  }
  .monitor-uptime {
    grid-column: 4;
  }
  .more-button {
    position: absolute;
    visibility: hidden;
  }
  .insights-panel {
    grid-template-columns: 1fr;
  }
  .compact-card {
    grid-column: auto;
  }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}