:root {
  color-scheme: light dark;
  --bg: #f5f7fa;
  --bg-soft: #eaf0f6;
  --surface: #ffffff;
  --surface-soft: #f7f9fc;
  --surface-muted: #eef3f8;
  --surface-raised: rgba(255, 255, 255, 0.92);
  --border: rgba(54, 68, 84, 0.16);
  --border-strong: rgba(58, 96, 128, 0.28);
  --text: #101820;
  --muted: #526170;
  --soft: #748292;
  --accent: #2f73b8;
  --accent-soft: #dcebf9;
  --accent-strong: #174e84;
  --success: #2d8c67;
  --warning: #a2641b;
  --danger: #b64b4b;
  --button-bg: #1e5f9f;
  --button-text: #ffffff;
  --shadow: rgba(24, 37, 52, 0.13);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1016;
    --bg-soft: #121923;
    --surface: #151c25;
    --surface-soft: #101720;
    --surface-muted: #1b2530;
    --surface-raised: rgba(20, 28, 38, 0.92);
    --border: rgba(172, 190, 210, 0.15);
    --border-strong: rgba(132, 169, 201, 0.3);
    --text: #eef4f8;
    --muted: #a7b4c2;
    --soft: #7f8c9a;
    --accent: #7eb0dc;
    --accent-soft: #1e3347;
    --accent-strong: #a9cce8;
    --success: #74c69d;
    --warning: #e3ad67;
    --danger: #ef8e8e;
    --button-bg: #d9e9f7;
    --button-text: #081019;
    --shadow: rgba(0, 0, 0, 0.36);
  }
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
  color: var(--text);
}

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

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

.app-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
  height: 100vh;
  padding: 24px;
  border-right: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-raised) 92%, transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
}

.mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent-soft) 86%, var(--surface)), var(--surface));
  color: var(--accent-strong);
  font-weight: 800;
}

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

.nav a {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
}

.nav a:hover,
.nav a[aria-current="page"] {
  border-color: var(--border);
  background: var(--surface-muted);
  color: var(--text);
}

.return-link {
  margin-top: auto;
  color: var(--accent-strong);
}

.main {
  min-width: 0;
  padding: clamp(20px, 4vw, 42px);
}

.topbar {
  display: none;
}

.control-placeholder {
  display: grid;
  gap: 28px;
  width: min(1120px, calc(100% - 32px));
  min-height: 100vh;
  align-content: center;
  margin: 0 auto;
  padding: 48px 0;
}

.control-hero {
  display: grid;
  gap: 14px;
  max-width: 720px;
}

.control-hero .brand {
  margin-bottom: 10px;
}

.lead {
  color: var(--text);
  font-size: 20px;
  font-weight: 750;
}

.control-grid .card {
  box-shadow: none;
}

.login-panel {
  max-width: 460px;
}

.login-form {
  display: grid;
  gap: 14px;
}

.form-message {
  min-height: 26px;
  color: var(--danger);
}

.page-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 24px;
}

.page-title {
  display: grid;
  gap: 10px;
  max-width: 840px;
}

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

h1 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  font-size: 16px;
  line-height: 1.25;
}

p,
li {
  color: var(--muted);
  line-height: 1.6;
}

.eyebrow {
  color: var(--accent-strong);
  font-size: 13px;
  font-weight: 750;
}

.badge-row,
.actions,
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.badge,
.status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent-soft) 54%, transparent);
  color: var(--accent-strong);
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.status.neutral {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--muted);
}

.status.good {
  border-color: color-mix(in srgb, var(--success) 52%, var(--border));
  background: color-mix(in srgb, var(--success) 12%, transparent);
  color: color-mix(in srgb, var(--success) 82%, var(--text));
}

.status.warning {
  border-color: color-mix(in srgb, var(--warning) 52%, var(--border));
  background: color-mix(in srgb, var(--warning) 12%, transparent);
  color: color-mix(in srgb, var(--warning) 82%, var(--text));
}

.status.danger {
  border-color: color-mix(in srgb, var(--danger) 48%, var(--border));
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  color: color-mix(in srgb, var(--danger) 86%, var(--text));
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.card {
  display: grid;
  gap: 14px;
  align-content: start;
  min-height: 100%;
  padding: clamp(18px, 2.6vw, 24px);
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-raised);
  box-shadow: 0 18px 42px color-mix(in srgb, var(--shadow) 72%, transparent);
}

.span-12 {
  grid-column: span 12;
}

.span-8 {
  grid-column: span 8;
}

.span-6 {
  grid-column: span 6;
}

.span-4 {
  grid-column: span 4;
}

.span-3 {
  grid-column: span 3;
}

.metric {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: start;
}

.metric strong {
  display: block;
  color: var(--text);
  font-size: 18px;
}

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

.list li,
.row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-soft) 82%, transparent);
}

.row {
  align-items: center;
}

.row-details {
  display: grid;
  gap: 4px;
}

.row-details strong,
.list strong,
label {
  color: var(--text);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-raised);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  text-align: left;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  line-height: 1.45;
  vertical-align: top;
}

th {
  background: color-mix(in srgb, var(--surface-muted) 78%, transparent);
  color: var(--text);
  font-size: 13px;
  font-weight: 750;
}

td:first-child {
  color: var(--text);
  font-weight: 700;
}

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

.field {
  display: grid;
  gap: 7px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  color: var(--accent-strong);
  font-weight: 750;
  cursor: pointer;
}

.button.primary {
  border-color: transparent;
  background: var(--button-bg);
  color: var(--button-text);
  box-shadow: 0 10px 28px var(--shadow);
}

.button[disabled],
.button.disabled,
input[disabled],
select[disabled],
textarea[disabled] {
  cursor: not-allowed;
  opacity: 0.58;
}

.note {
  padding: 14px 16px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--accent-soft) 44%, transparent);
  color: var(--muted);
  line-height: 1.6;
}

.danger-note {
  border-color: color-mix(in srgb, var(--danger) 44%, var(--border));
  background: color-mix(in srgb, var(--danger) 9%, var(--surface-raised));
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    padding: 16px clamp(16px, 4vw, 28px);
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .sidebar .brand,
  .return-link {
    display: none;
  }

  .nav {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 22px;
  }

  .page-head {
    display: grid;
  }

  .span-8,
  .span-6,
  .span-4,
  .span-3 {
    grid-column: span 12;
  }
}

@media (max-width: 620px) {
  .main {
    padding: 20px 16px 30px;
  }

  .actions,
  .filters,
  .button,
  .row,
  .list li,
  .metric {
    width: 100%;
  }

  .row,
  .list li,
  .metric {
    align-items: start;
    flex-direction: column;
  }

  .badge-row {
    width: 100%;
  }
}