:root {
  color-scheme: dark;
  --bg: #11141a;
  --text: #e8edf7;
  --layout-bg: #171b23;
  --topbar-bg: #1e2430;
  --surface: #1d232f;
  --surface-2: #212939;
  --border: #4f5a70;
  --muted: #aeb8cc;
  --active: #305072;
  --active-2: #3a628d;
  --btn-bg: #2a3448;
  --btn-border: #5d6b87;
  --btn-text: #f1f4fb;
  --input-bg: #161d29;
  --input-border: #5f6d88;
  --table-head-bg: #2b3448;
  --flash-bg: #202736;
  --flash-border: #657594;
  --flash-success-bg: #203126;
  --flash-success-border: #4f8a5f;
  --flash-error-bg: #3a232a;
  --flash-error-border: #b06a76;
  --warning-bg: #3c321c;
  --warning-border: #b18d47;
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f2f2f2;
  --text: #222;
  --layout-bg: #f7f7f7;
  --topbar-bg: #d9d9d9;
  --surface: #ececec;
  --surface-2: #ededed;
  --border: #9f9f9f;
  --muted: #6a6a6a;
  --active: #c9dfea;
  --active-2: #c9dfea;
  --btn-bg: #e8e8e8;
  --btn-border: #8c8c8c;
  --btn-text: #222;
  --input-bg: #efefef;
  --input-border: #9f9f9f;
  --table-head-bg: #d3d3d3;
  --flash-bg: #f5f5f5;
  --flash-border: #888;
  --flash-success-bg: #dff0df;
  --flash-success-border: #4f7d52;
  --flash-error-bg: #f4dddd;
  --flash-error-border: #8f4b4b;
  --warning-bg: #faedcf;
  --warning-border: #a27632;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.layout {
  max-width: 1400px;
  margin: 24px auto;
  border: 1px solid var(--border);
  background: var(--layout-bg);
}

.topbar {
  min-height: 72px;
  background: var(--topbar-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.brand-small {
  font-size: 24px;
  font-weight: 600;
}

.content {
  display: grid;
  grid-template-columns: 270px 1fr;
  min-height: 780px;
}

.sidebar {
  border-right: 1px solid var(--border);
  padding: 12px 0;
}

.menu-link {
  display: block;
  padding: 12px 24px;
  font-size: 28px;
}

.menu-link.active {
  background: var(--active);
  font-weight: 700;
}

.main {
  padding: 24px;
}

.page-title {
  font-size: 42px;
  margin: 8px 0 20px;
}

.cem-submenu {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.tab-link {
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 10px 14px;
  font-size: 24px;
}

.tab-link.active {
  background: var(--active-2);
  font-weight: 700;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.card {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 18px;
}

.card h4 {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 22px;
  font-weight: 500;
}

.card .num {
  font-size: 46px;
  font-weight: 700;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.box {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 12px;
}

.box h3 {
  margin: 0 0 8px;
  font-size: 30px;
}

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

.btn,
button {
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-text);
  padding: 10px 16px;
  font-size: 22px;
  cursor: pointer;
}

.btn.primary,
button.primary {
  font-weight: 700;
}

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

th,
td {
  border: 1px solid var(--border);
  padding: 8px;
  text-align: left;
  font-size: 22px;
}

th {
  background: var(--table-head-bg);
}

label {
  font-size: 22px;
  color: var(--muted);
}

input,
select {
  width: 100%;
  border: 1px solid var(--input-border);
  background: var(--input-bg);
  color: var(--text);
  padding: 8px 10px;
  font-size: 22px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 18px;
}

.actions-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 12px;
}

.flash-wrap {
  margin-bottom: 14px;
}

.flash {
  padding: 10px 14px;
  border: 1px solid var(--flash-border);
  margin-bottom: 6px;
  background: var(--flash-bg);
  font-size: 22px;
}

.flash.success {
  border-color: var(--flash-success-border);
  background: var(--flash-success-bg);
}

.flash.error {
  border-color: var(--flash-error-border);
  background: var(--flash-error-bg);
}

.pill {
  display: inline-block;
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 6px 10px;
  margin-right: 6px;
  font-size: 20px;
}

.inline-form {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meta-row {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

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

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.warning {
  border: 1px solid var(--warning-border);
  background: var(--warning-bg);
  padding: 10px 12px;
  margin-bottom: 10px;
  font-size: 22px;
}

.small {
  font-size: 18px;
}

.lang-switch {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.lang-switch button {
  font-size: 18px;
  padding: 6px 10px;
}

.theme-toggle-btn {
  min-width: 110px;
}

@media (max-width: 1024px) {
  .topbar {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
  }

  .content {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border);
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .menu-link {
    font-size: 20px;
    padding: 10px 14px;
  }

  .main,
  .box,
  .card,
  .btn,
  button,
  th,
  td,
  label,
  input,
  select,
  .flash,
  .warning {
    font-size: 16px;
  }

  .page-title {
    font-size: 30px;
  }

  .cards {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }

  .panel-grid,
  .split,
  .form-grid {
    grid-template-columns: 1fr;
  }
}