:root {
  --bg: #0b0f14;
  --surface: #121820;
  --surface2: #1a222d;
  --border: #2a3544;
  --text: #e8edf4;
  --text2: #9aa8b8;
  --accent: #f59e0b;
  --accent2: #38bdf8;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --sidebar-w: 240px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

a {
  color: var(--accent2);
}

.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.brand-title {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}

.brand-sub {
  font-size: 0.78rem;
  color: var(--text2);
}

.nav-section {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text2);
  margin: 8px 8px 4px;
}

.nav-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.92rem;
}

.nav-item:hover {
  background: var(--surface2);
}

.nav-item.active {
  border-color: var(--accent);
  background: rgba(245, 158, 11, 0.12);
  color: #fff;
}

.nav-item.disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.main {
  padding: 16px 20px 24px;
  overflow: auto;
}

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

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text2);
}

.dot.ok {
  background: var(--ok);
}

.dot.warn {
  background: var(--warn);
}

.grid-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 1fr));
  gap: 14px;
}

@media (max-width: 960px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

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

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px 14px;
  min-height: 220px;
}

.panel h3 {
  margin: 0 0 10px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text2);
}

.panel canvas {
  width: 100% !important;
  height: 180px !important;
}

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

input,
select,
button {
  font: inherit;
}

input,
select {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
}

button {
  background: var(--accent);
  color: #111;
  border: none;
  border-radius: 8px;
  padding: 8px 14px;
  font-weight: 600;
  cursor: pointer;
}

button.secondary {
  background: var(--surface2);
  color: var(--text);
  border: 1px solid var(--border);
}

button.ghost {
  background: transparent;
  color: var(--text2);
  border: 1px solid var(--border);
}

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

.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px 24px;
}

.login-card h1 {
  margin: 0 0 4px;
  font-size: 1.35rem;
}

.login-card p {
  margin: 0 0 20px;
  color: var(--text2);
  font-size: 0.9rem;
}

.login-card--minimal {
  text-align: center;
}

.login-brand {
  margin: 0 0 28px;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.login-card--minimal .field label {
  text-align: left;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 0.78rem;
  color: var(--text2);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
}

.error {
  color: var(--err);
  font-size: 0.85rem;
  min-height: 1.2em;
  margin-top: 8px;
}

.hidden {
  display: none !important;
}

.asset-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.asset-tab {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
}

.asset-tab.active {
  border-color: var(--accent2);
  background: rgba(56, 189, 248, 0.12);
}

.chart-hint {
  margin: -6px 0 12px;
  font-size: 0.75rem;
  color: var(--text2);
}

#hours-select {
  min-width: 4.5rem;
}

#hours-select:disabled {
  opacity: 0.45;
}