:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --muted: #637083;
  --text: #111827;
  --accent: #3b82f6;
  --accent-2: #7c3aed;
  --border: #d9e1ef;
  --danger: #dc2626;
}

body[data-theme="dark"] {
  --bg: #0d1220;
  --panel: #151b2b;
  --muted: #93a4be;
  --text: #e7ecf7;
  --accent: #60a5fa;
  --accent-2: #8b5cf6;
  --border: #263147;
  --danger: #f87171;
}

* {
  box-sizing: border-box;
}

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

#app {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, var(--panel), color-mix(in srgb, var(--panel) 60%, var(--accent)));
  border-right: 1px solid var(--border);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.brand {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 10px;
}

.brand h1 {
  margin: 0;
  font-size: 1.1rem;
}

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

.module-nav {
  display: grid;
  gap: 0.45rem;
  overflow: auto;
}

.nav-btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  text-align: left;
  padding: 0.6rem 0.7rem;
  border-radius: 10px;
  cursor: pointer;
}

.nav-btn.active {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border-color: var(--accent);
}

.content {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  height: 60px;
  padding: 0 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
}

.module-container {
  padding: 1rem;
  display: grid;
  gap: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.grid {
  display: grid;
  gap: 1rem;
}

.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.button {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 0.55rem 0.8rem;
  border-radius: 10px;
  cursor: pointer;
}

.button-primary {
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  border-color: transparent;
  color: #fff;
}

.button-ghost {
  background: transparent;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
  font-size: 0.8rem;
  background: #f59e0b;
  color: #111827;
}

.status-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.text-muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 8px;
  padding: 0.55rem 0.65rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.install-banner {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  z-index: 20;
}

.banner-actions {
  display: flex;
  gap: 0.5rem;
}

.palette {
  position: fixed;
  inset: 0;
  background: rgba(3, 8, 20, 0.55);
  display: grid;
  place-items: start center;
  padding-top: 10vh;
  z-index: 30;
}

.palette-panel {
  width: min(640px, 92vw);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.8rem;
}

#palette-list {
  list-style: none;
  margin: 0.7rem 0 0;
  padding: 0;
  max-height: 320px;
  overflow: auto;
}

#palette-list li button {
  width: 100%;
  text-align: left;
}

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

@media (max-width: 940px) {
  #app {
    grid-template-columns: 1fr;
  }

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

  .cols-3 {
    grid-template-columns: 1fr;
  }
}