:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --ink: #111827;
  --muted: #637083;
  --line: #d9e0ea;
  --dark: #07111f;
  --green: #10b981;
  --blue: #2563eb;
  --amber: #f59e0b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

button,
input {
  font: inherit;
}

.brand {
  align-items: center;
  display: flex;
  gap: 10px;
  font-weight: 900;
}

.brand span {
  align-items: center;
  background: var(--green);
  border-radius: 8px;
  color: var(--dark);
  display: inline-flex;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.login-page {
  background: var(--dark);
}

.login-shell {
  display: grid;
  gap: 40px;
  grid-template-columns: minmax(0, 1fr) 380px;
  min-height: 100vh;
  padding: 8vw;
}

.login-copy {
  align-self: center;
  color: white;
  max-width: 720px;
}

.login-copy h1 {
  font-size: clamp(42px, 6vw, 82px);
  line-height: .96;
  margin: 46px 0 22px;
}

.login-copy p {
  color: #cbd5e1;
  font-size: 20px;
  line-height: 1.45;
  margin: 0;
}

.auth-kicker {
  color: var(--green) !important;
  font-size: 13px !important;
  font-weight: 900;
  letter-spacing: .08em;
  margin: 42px 0 0 !important;
  text-transform: uppercase;
}

.auth-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.auth-proof strong {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  color: white;
  font-size: 13px;
  padding: 10px 12px;
}

.login-card {
  align-self: center;
  background: white;
  border-radius: 8px;
  display: grid;
  gap: 12px;
  padding: 24px;
}

.login-card h2 {
  font-size: 26px;
  line-height: 1.1;
  margin: 0;
}

.login-card a {
  color: var(--blue);
  font-weight: 800;
}

label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

input {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 44px;
  padding: 0 12px;
}

select {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 44px;
  padding: 0 12px;
}

button {
  background: var(--dark);
  border: 0;
  border-radius: 8px;
  color: white;
  cursor: pointer;
  font-weight: 900;
  min-height: 44px;
  padding: 0 16px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  margin: 4px 0 0;
}

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

.sidebar {
  background: var(--dark);
  color: white;
  display: flex;
  flex-direction: column;
  padding: 24px 18px;
}

.sidebar nav {
  border-top: 1px solid rgba(255,255,255,.12);
  display: grid;
  gap: 8px;
  margin-top: 22px;
  padding-top: 22px;
}

.sidebar nav a,
.logout {
  border-radius: 8px;
  color: #cbd5e1;
  font-weight: 800;
  padding: 12px;
}

.sidebar nav a.active {
  background: rgba(16, 185, 129, .16);
  color: white;
}

.logout {
  margin-top: auto;
}

.dashboard {
  padding: 28px;
}

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.eyebrow {
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  margin: 0 0 8px;
  text-transform: uppercase;
}

h1 {
  font-size: 34px;
  margin: 0 0 6px;
}

.topbar span,
.empty {
  color: var(--muted);
}

.status,
.panel,
.metrics article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.status {
  color: var(--muted);
  margin-bottom: 16px;
  padding: 14px 16px;
}

.metrics {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.metrics article {
  min-height: 118px;
  padding: 16px;
}

.metrics small {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.metrics strong {
  display: block;
  font-size: 30px;
  margin-bottom: 8px;
}

.metrics span {
  color: var(--muted);
  font-size: 13px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr) minmax(0, .8fr);
}

.panel {
  padding: 18px;
}

.panel h2 {
  font-size: 20px;
  margin: 0 0 14px;
}

.panel-copy,
.section-panel p {
  color: var(--muted);
  line-height: 1.45;
  margin: 0 0 14px;
}

.section-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

.section-panel {
  display: grid;
  gap: 16px;
}

.section-panel h2 {
  margin-bottom: 8px;
}

.waiting-state {
  background: #f8fafc;
  border: 1px dashed #b8c3d3;
  border-radius: 8px;
  display: grid;
  gap: 5px;
  padding: 14px;
}

.waiting-state strong {
  color: var(--ink);
}

.waiting-state span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.source-list {
  display: grid;
  gap: 10px;
}

.source {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  padding: 12px;
}

.source span {
  color: var(--amber);
  font-size: 13px;
  font-weight: 800;
}

.source strong {
  display: grid;
  gap: 3px;
}

.source small {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
}

.config-grid {
  margin-top: 16px;
}

.config-form {
  display: grid;
  gap: 10px;
}

.config-form button {
  margin-top: 8px;
}

@media (max-width: 920px) {
  .login-shell,
  .app-shell,
  .metrics,
  .grid,
  .section-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}