:root {
  color-scheme: light;
  --bg: #f4f5f9;
  --surface: #ffffff;
  --surface-2: #f6f7fb;
  --border: #e6e8ef;
  --text: #141828;
  --muted: #6b7286;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-soft: #eef0ff;
  --c-admin: #6366f1;
  --c-qr: #10b981;
  --c-mobile: #f59e0b;
  --c-load: #4f46e5;
  --danger: #dc3545;
  --danger-soft: #fdecee;
  --success: #0f9d58;
  --success-soft: #e6f6ee;
  --grid: #eceef4;
  --shadow: 0 1px 2px rgba(20, 24, 40, 0.04), 0 2px 8px rgba(20, 24, 40, 0.04);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0c0f17;
    --surface: #141924;
    --surface-2: #1a2030;
    --border: #252c3d;
    --text: #e7e9f1;
    --muted: #8b93a7;
    --primary: #818cf8;
    --primary-hover: #a5b4fc;
    --primary-soft: rgba(129, 140, 248, 0.14);
    --c-admin: #818cf8;
    --c-qr: #34d399;
    --c-mobile: #fbbf24;
    --c-load: #818cf8;
    --danger: #f87171;
    --danger-soft: rgba(248, 113, 113, 0.12);
    --success: #34d399;
    --success-soft: rgba(52, 211, 153, 0.12);
    --grid: #20273a;
    --shadow: none;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.45;
}

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

h1,
h2 {
  margin: 0;
}

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

[hidden] {
  display: none !important;
}

.muted {
  margin: 0;
  color: var(--muted);
}

.small {
  font-size: 0.85rem;
}

svg {
  flex: none;
}

/* Бренд */
.brand {
  display: flex;
  gap: 10px;
  align-items: center;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366f1, #10b981);
  color: #fff;
  font-weight: 800;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
}

.brand-club {
  color: var(--muted);
  font-size: 0.8rem;
}

/* Вход */
.login {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 16px;
}

.login-card {
  display: grid;
  gap: 16px;
  width: 100%;
  max-width: 380px;
  padding: 32px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-card h1 {
  margin-top: 8px;
  font-size: 1.4rem;
}

.login-card .muted {
  margin-top: -10px;
}

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

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 28px;
  height: 100vh;
  padding: 20px 14px;
  border-right: 1px solid var(--border);
  background: var(--surface);
}

.sidebar .brand {
  padding: 0 8px;
}

.nav {
  display: grid;
  gap: 2px;
}

.nav-item {
  display: flex;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 9px 12px;
  border: 0;
  border-radius: 10px;
  background: none;
  color: var(--muted);
  font-weight: 500;
  text-align: left;
  cursor: pointer;
}

.nav-item svg,
.btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--text);
}

.nav-item.is-active {
  background: var(--primary-soft);
  color: var(--primary);
}

.nav-logout {
  margin-top: auto;
}

.main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-content: start;
  gap: 20px;
  min-width: 0;
  padding: 28px 32px 48px;
}

.page-head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
}

.page-head h1 {
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

/* Период */
.period {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.segmented {
  display: flex;
  min-width: 0;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
}

.segmented button {
  padding: 6px 12px;
  border: 0;
  border-radius: 7px;
  background: none;
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}

.segmented button.is-active {
  background: var(--primary-soft);
  color: var(--primary);
}

.date-range {
  display: flex;
  gap: 6px;
  align-items: center;
  color: var(--muted);
}

.date-range input {
  width: 140px;
}

/* Поля и кнопки */
input,
select {
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
}

input:focus,
select:focus {
  outline: 2px solid var(--primary-soft);
  border-color: var(--primary);
}

.btn {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
}

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

.btn:disabled {
  opacity: 0.45;
  cursor: default;
}

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

.btn-primary:hover {
  border-color: var(--primary-hover);
  background: var(--primary-hover);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 36px;
  padding: 0;
}

.is-loading .btn-icon svg {
  animation: spin 0.9s linear infinite;
}

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

.form {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.field {
  display: grid;
  gap: 6px;
}

.field > span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.input-suffix {
  display: flex;
  gap: 8px;
  align-items: center;
  color: var(--muted);
}

.input-suffix input {
  flex: 1;
  min-width: 0;
}

.alert {
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--muted);
}

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

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

.badge {
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.badge.ok {
  background: var(--success-soft);
  color: var(--success);
}

/* Карточки */
.view {
  display: grid;
  gap: 20px;
  transition: opacity 0.15s;
}

.is-loading .view {
  opacity: 0.55;
}

.card {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.card-narrow {
  max-width: 520px;
}

.card-head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.card-head h2 {
  font-size: 1rem;
  font-weight: 600;
}

.link {
  color: var(--primary);
  font-weight: 500;
}

.grid {
  display: grid;
  gap: 20px;
}

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

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

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.toolbar input[type="number"] {
  width: 130px;
}

.toolbar input[type="search"] {
  width: 220px;
}

.search-field {
  position: relative;
  display: flex;
  align-items: center;
}

.search-field svg {
  position: absolute;
  left: 10px;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: var(--muted);
  stroke-width: 2;
  stroke-linecap: round;
  pointer-events: none;
}

.toolbar .search-field input {
  width: 260px;
  padding-left: 34px;
}

mark {
  border-radius: 3px;
  background: color-mix(in srgb, var(--c-mobile) 35%, transparent);
  color: inherit;
}

/* KPI */
.kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.kpi {
  display: grid;
  gap: 4px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.kpi-label {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.kpi-value {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.kpi-sub {
  color: var(--muted);
  font-size: 0.85rem;
}

.kpi-admin {
  box-shadow: inset 0 3px 0 var(--c-admin), var(--shadow);
}

.kpi-qr {
  box-shadow: inset 0 3px 0 var(--c-qr), var(--shadow);
}

/* Графики */
.chart {
  min-height: 240px;
}

.chart svg {
  display: block;
  overflow: visible;
}

.chart .grid-line {
  stroke: var(--grid);
}

.chart .axis {
  fill: var(--muted);
  font-size: 11px;
}

.chart .hit {
  fill: transparent;
}

.chart .hit:hover {
  fill: var(--text);
  fill-opacity: 0.05;
}

.chart .admin {
  fill: var(--c-admin);
}

.chart .qr {
  fill: var(--c-qr);
}

.chart .mobile {
  fill: var(--c-mobile);
}

.chart .load {
  fill: var(--c-load);
}

.legend-inline {
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-size: 0.85rem;
}

.legend-inline span {
  display: flex;
  gap: 6px;
  align-items: center;
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 3px;
}

.dot.admin {
  background: var(--c-admin);
}

.dot.qr {
  background: var(--c-qr);
}

.dot.mobile {
  background: var(--c-mobile);
}

.donut {
  display: grid;
  gap: 18px;
  justify-items: center;
}

.donut svg {
  width: 180px;
  height: 180px;
}

.donut-track {
  fill: none;
  stroke: var(--surface-2);
  stroke-width: 22;
}

.donut .arc {
  fill: none;
  stroke-width: 22;
}

.arc.admin {
  stroke: var(--c-admin);
}

.arc.qr {
  stroke: var(--c-qr);
}

.arc.mobile {
  stroke: var(--c-mobile);
}

.donut-value {
  fill: var(--text);
  font-size: 17px;
  font-weight: 700;
}

.donut-label {
  fill: var(--muted);
  font-size: 11px;
}

.legend {
  display: grid;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 0;
  list-style: none;
}

.legend li {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 10px;
  align-items: center;
}

.legend strong {
  font-variant-numeric: tabular-nums;
}

.legend .share {
  min-width: 48px;
  color: var(--muted);
  text-align: right;
}

/* Горизонтальные полосы */
.hbars {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hbar-head {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 6px;
}

.hbar-head span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hbar-head strong {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.hbar-head small {
  margin-left: 6px;
  color: var(--muted);
  font-weight: 400;
}

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

.track span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--c-load);
}

/* Лента пополнений */
.feed {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feed li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.feed li:last-child {
  border-bottom: 0;
}

.feed .name {
  overflow: hidden;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.feed .amount {
  font-weight: 600;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.feed .meta {
  color: var(--muted);
  font-size: 0.82rem;
}

/* Таблицы */
.table-wrap {
  margin: 0 -20px;
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

.table th {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

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

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

.table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.table tr.is-dim td {
  color: var(--muted);
}

.table .empty {
  padding: 36px 20px;
  color: var(--muted);
  text-align: center;
}

.table .track {
  width: 120px;
}

.load-cell {
  display: flex;
  gap: 10px;
  align-items: center;
  font-variant-numeric: tabular-nums;
}

.chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
}

.chip.admin {
  background: color-mix(in srgb, var(--c-admin) 14%, transparent);
  color: var(--c-admin);
}

.chip.qr {
  background: color-mix(in srgb, var(--c-qr) 14%, transparent);
  color: var(--c-qr);
}

.chip.mobile {
  background: color-mix(in srgb, var(--c-mobile) 16%, transparent);
  color: var(--c-mobile);
}

.chip.cancel {
  background: var(--danger-soft);
  color: var(--danger);
}

.pager {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: flex-end;
  margin-top: 16px;
}

/* Адаптив */
@media (max-width: 1200px) {
  .grid-wide {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 980px) {
  .kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 860px) {
  .app {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: sticky;
    z-index: 10;
    flex-direction: row;
    gap: 12px;
    align-items: center;
    height: auto;
    padding: 10px 16px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
  }

  .sidebar .brand > div,
  .nav-item span {
    display: none;
  }

  .nav {
    display: flex;
    gap: 4px;
  }

  .nav-item {
    width: auto;
    padding: 9px;
  }

  .nav-logout {
    margin: 0 0 0 auto;
  }

  .main {
    padding: 20px 16px 40px;
  }
}

@media (max-width: 560px) {
  .kpis {
    grid-template-columns: minmax(0, 1fr);
  }

  .period,
  .segmented {
    width: 100%;
  }

  .segmented {
    overflow-x: auto;
  }

  .date-range {
    flex: 1;
  }

  .date-range input {
    flex: 1;
    width: auto;
    min-width: 0;
  }

  .toolbar,
  .toolbar input[type="search"],
  .search-field,
  .toolbar .search-field input {
    width: 100%;
  }

  .card {
    padding: 16px;
  }

  .table-wrap {
    margin: 0 -16px;
  }
}