/* Lexia Admin — yengil, build talab qilmaydigan SPA.
   Ranglar dataviz qoidalariga mos: yagona seriya ko‘k, status ranglari
   alohida. Qorong‘i rejim tizim sozlamasiga ergashadi. */

:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);
  --series-1: #2a78d6;
  --series-1-wash: rgba(42, 120, 214, 0.1);
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --critical: #d03b3b;
  --critical-text: #b02a2a;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(11, 11, 11, 0.04);
  --font: system-ui, -apple-system, 'Segoe UI', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232322;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.1);
    --series-1: #3987e5;
    --series-1-wash: rgba(57, 135, 229, 0.12);
    --critical-text: #e66767;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
p {
  margin: 0;
}

button,
input,
select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--series-1);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------- app frame */

.app {
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 22px 16px;
  background: var(--page);
  border-right: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
}

.brand__mark {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--series-1);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 15px;
}

.brand__name {
  font-weight: 650;
  letter-spacing: -0.01em;
}

.brand__chip {
  margin-left: auto;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 7px;
}

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

.nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 9px;
  color: var(--ink-2);
  text-decoration: none;
  font-weight: 500;
}

.nav__link svg {
  width: 17px;
  height: 17px;
  flex: none;
}

.nav__link:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.nav__link.is-active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.sidebar__foot {
  margin-top: auto;
  padding: 0 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

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

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--page);
  position: sticky;
  top: 0;
  z-index: 20;
}

.topbar__title {
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -0.015em;
}

.topbar__crumb {
  color: var(--muted);
  font-size: 12.5px;
}

.topbar__right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.whoami {
  text-align: right;
  line-height: 1.25;
}

.whoami__name {
  font-weight: 600;
  font-size: 13px;
}

.whoami__mail {
  color: var(--muted);
  font-size: 11.5px;
}

.content {
  padding: 24px 28px 64px;
  max-width: 1320px;
  width: 100%;
}

/* ---------------------------------------------------------------- primitives */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  font-weight: 550;
  font-size: 13px;
  cursor: pointer;
  box-shadow: var(--shadow);
  text-decoration: none;
  white-space: nowrap;
}

.btn:hover {
  background: var(--surface-2);
}

.btn:disabled {
  opacity: 0.55;
  cursor: default;
}

.btn--primary {
  background: var(--series-1);
  border-color: transparent;
  color: #fff;
}

.btn--primary:hover {
  filter: brightness(1.06);
  background: var(--series-1);
}

.btn--danger {
  color: var(--critical-text);
}

.btn--ghost {
  background: transparent;
  box-shadow: none;
}

.btn--small {
  padding: 5px 10px;
  font-size: 12px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.field__label {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--ink-2);
  letter-spacing: 0.01em;
}

.input,
.select {
  height: 36px;
  padding: 0 11px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--ink);
  min-width: 0;
}

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

.input:focus,
.select:focus {
  outline: 2px solid var(--series-1);
  outline-offset: -1px;
  border-color: transparent;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 18px;
}

.toolbar__grow {
  flex: 1 1 240px;
}

.segmented {
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  background: var(--surface-2);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.segmented button {
  border: 0;
  background: transparent;
  color: var(--ink-2);
  padding: 5px 12px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 550;
  cursor: pointer;
}

.segmented button.is-active {
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.card__head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px 0;
}

.card__title {
  font-size: 14px;
  font-weight: 620;
  letter-spacing: -0.005em;
}

.card__sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.card__body {
  padding: 14px 18px 18px;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  background: var(--surface-2);
  color: var(--ink-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}

.badge--good {
  color: var(--good-text);
  background: rgba(12, 163, 12, 0.1);
  border-color: transparent;
}

.badge--warn {
  color: var(--ink);
  background: rgba(250, 178, 25, 0.18);
  border-color: transparent;
}

.badge--critical {
  color: var(--critical-text);
  background: rgba(208, 59, 59, 0.1);
  border-color: transparent;
}

.muted {
  color: var(--muted);
}

.dim {
  color: var(--ink-2);
}

.mono {
  font-variant-numeric: tabular-nums;
}

.empty {
  padding: 36px 18px;
  text-align: center;
  color: var(--muted);
}

.spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--grid);
  border-top-color: var(--series-1);
  animation: spin 0.8s linear infinite;
  display: inline-block;
  vertical-align: -3px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.boot {
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--ink-2);
  gap: 12px;
}

.is-refetching {
  opacity: 0.55;
  transition: opacity 0.15s ease;
}

/* ---------------------------------------------------------------- login */

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login__card {
  width: 100%;
  max-width: 380px;
  padding: 28px;
}

.login__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.login__title {
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}

.login__sub {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 20px;
}

.login .field + .field {
  margin-top: 12px;
}

.login__submit {
  width: 100%;
  margin-top: 18px;
  height: 38px;
}

.form-error {
  margin-top: 14px;
  padding: 9px 11px;
  border-radius: 9px;
  background: rgba(208, 59, 59, 0.1);
  color: var(--critical-text);
  font-size: 12.5px;
}

/* ---------------------------------------------------------------- stats */

.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 8px 18px;
  padding: 22px 22px 18px;
}

.hero__label {
  width: 100%;
  color: var(--ink-2);
  font-size: 12.5px;
  font-weight: 550;
}

.hero__value {
  font-size: 52px;
  font-weight: 650;
  letter-spacing: -0.03em;
  line-height: 1;
}

.hero__meta {
  color: var(--muted);
  font-size: 12.5px;
  padding-bottom: 5px;
}

.hero__meta b {
  color: var(--good-text);
  font-weight: 600;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tile {
  padding: 15px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.tile__label {
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 550;
}

.tile__value {
  font-size: 26px;
  font-weight: 640;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.tile__foot {
  color: var(--muted);
  font-size: 11.5px;
}

/* ---------------------------------------------------------------- charts */

.chart-card .card__body {
  padding-top: 10px;
}

.chart {
  position: relative;
  width: 100%;
}

.chart--cols {
  height: 250px;
  padding: 10px 4px 26px 44px;
}

.chart__plot {
  position: absolute;
  inset: 10px 4px 26px 44px;
}

.gridline {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--grid);
}

.gridline--base {
  background: var(--axis);
}

.ylabels {
  position: absolute;
  top: 10px;
  bottom: 26px;
  left: 0;
  width: 40px;
}

.ylabels span {
  position: absolute;
  right: 8px;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 10.5px;
  font-variant-numeric: tabular-nums;
}

.xlabels {
  position: absolute;
  left: 44px;
  right: 4px;
  bottom: 2px;
  height: 18px;
}

.xlabels span {
  position: absolute;
  transform: translateX(-50%);
  color: var(--muted);
  font-size: 10.5px;
  white-space: nowrap;
}

.cols {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  gap: 2px;
}

.col {
  position: relative;
  flex: 1 1 0;
  height: 100%;
  min-width: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.col__bar {
  width: min(24px, 72%);
  border-radius: 4px 4px 0 0;
  background: var(--series-1);
  min-height: 0;
}

.col__bar--max {
  position: relative;
}

.col__cap {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  font-size: 10.5px;
  font-weight: 600;
  color: var(--ink-2);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.col__hit {
  position: absolute;
  inset: 0;
  border: 0;
  background: transparent;
  padding: 0;
  cursor: default;
  border-radius: 4px;
}

.col__hit:hover,
.col__hit:focus-visible {
  background: var(--series-1-wash);
}

.line-chart {
  position: relative;
  width: 100%;
}

.line-chart svg {
  display: block;
  width: 100%;
  overflow: visible;
}

.line-chart__label {
  position: absolute;
  color: var(--ink-2);
  font-size: 10.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
  transform: translate(0, -50%);
}

.legend {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 4px 8px 44px;
  color: var(--ink-2);
  font-size: 11.5px;
}

.legend__key {
  display: inline-block;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--series-1);
  margin-right: 6px;
  vertical-align: middle;
}

.table-view {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.table-view summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 11.5px;
  user-select: none;
}

.table-view summary:hover {
  color: var(--ink-2);
}

.table-view table {
  margin-top: 8px;
  max-height: 220px;
}

/* ---------------------------------------------------------------- bar list */

.barlist {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.barlist__row {
  display: grid;
  grid-template-columns: minmax(90px, 34%) 1fr auto;
  align-items: center;
  gap: 10px;
}

.barlist__label {
  color: var(--ink-2);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.barlist__track {
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.barlist__fill {
  height: 100%;
  border-radius: 999px;
  background: var(--series-1);
}

.barlist__value {
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  min-width: 42px;
  text-align: right;
}

/* ---------------------------------------------------------------- tables */

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

th {
  text-align: left;
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tr.clickable {
  cursor: pointer;
}

tr.clickable:hover td {
  background: var(--surface-2);
}

.user-cell {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 160px;
}

.avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface-2);
  flex: none;
}

.avatar--lg {
  width: 56px;
  height: 56px;
  border-radius: 16px;
}

.avatar--fallback {
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 650;
  color: var(--ink-2);
}

.user-cell__name {
  font-weight: 600;
  line-height: 1.2;
}

.user-cell__meta {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.3;
}

.td-num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  color: var(--ink-2);
  font-size: 12.5px;
}

.pager__spacer {
  flex: 1;
}

/* ---------------------------------------------------------------- detail */

.detail-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.detail-head__text {
  min-width: 0;
}

.detail-head__name {
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.detail-head__meta {
  color: var(--muted);
  font-size: 12.5px;
  margin-top: 2px;
}

.detail-actions {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
}

.kv {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 8px 14px;
  font-size: 12.5px;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.session-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12.5px;
}

.session-row:last-child {
  border-bottom: 0;
}

.session-row__device {
  font-weight: 600;
}

.session-row__meta {
  color: var(--muted);
  font-size: 11.5px;
}

.session-row__time {
  color: var(--ink-2);
  font-size: 11.5px;
  text-align: right;
  white-space: nowrap;
}

.post-row {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.post-row:last-child {
  border-bottom: 0;
}

.post-row__title {
  font-weight: 600;
  font-size: 12.5px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.post-row__meta {
  color: var(--muted);
  font-size: 11.5px;
  margin-top: 2px;
}

/* ---------------------------------------------------------------- tooltip */

.tooltip {
  position: fixed;
  z-index: 100;
  pointer-events: none;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 9px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.14);
  padding: 8px 10px;
  font-size: 12px;
  line-height: 1.35;
  max-width: 240px;
  opacity: 0;
  transform: translateY(2px);
  transition:
    opacity 0.1s ease,
    transform 0.1s ease;
}

.tooltip.is-on {
  opacity: 1;
  transform: translateY(0);
}

.tooltip__title {
  color: var(--muted);
  font-size: 10.5px;
  margin-bottom: 3px;
}

.tooltip__value {
  font-weight: 650;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

.tooltip__row {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 4px;
}

.tooltip__row b {
  font-variant-numeric: tabular-nums;
}

.tooltip__stroke {
  width: 12px;
  height: 2px;
  border-radius: 2px;
  background: var(--series-1);
  flex: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------------------------------------------------------------- responsive */

@media (max-width: 1080px) {
  .tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 860px) {
  .app {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
  }

  .brand {
    padding: 0;
  }

  .nav {
    flex-direction: row;
  }

  .sidebar__foot {
    display: none;
  }

  .topbar {
    padding: 12px 16px;
  }

  .content {
    padding: 18px 16px 56px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .tiles {
    grid-template-columns: 1fr;
  }

  .whoami {
    display: none;
  }

  .hero__value {
    font-size: 42px;
  }

  .kv {
    grid-template-columns: 1fr;
    gap: 2px 0;
  }

  .kv dd {
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}