:root {
  --app-bg: #f2ead8;
  --surface: #ffffff;
  --surface-alt: #f9f3e5;
  --border: #1b1b1b;
  --text: #1d1d1d;
  --active-bg: #ffe59f;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
}

.app-shell {
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--app-bg);
}

.app-shell * {
  box-sizing: border-box;
}

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

.app-dashboard {
  --menu-width: 280px;
  --aside-width: 0;
  min-height: 100vh;
}

.app-header {
  border-bottom: 3px solid var(--border);
  background: var(--surface);
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.app-title {
  font-weight: 800;
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.menu-header {
  border-bottom: 3px solid var(--border);
  background: var(--surface-alt);
  padding: 1rem;
  display: grid;
  gap: 0.35rem;
}

.menu-header h1 {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.menu-header p {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.menu-nav {
  background: var(--surface-alt);
  padding: 1rem;
  display: grid;
  align-content: start;
  gap: 0.55rem;
}

.menu-link {
  appearance: none;
  border: 2px solid var(--border);
  background: var(--surface);
  box-shadow: 4px 4px 0 #000;
  font: inherit;
  font-weight: 700;
  text-align: left;
  padding: 0.58rem 0.7rem;
  cursor: pointer;
}

.menu-link:hover {
  background: #fcf6e9;
}

.menu-link.is-active {
  background: var(--active-bg);
}

.content-header {
  border-bottom: 3px solid var(--border);
  background: var(--surface);
  padding: 1rem;
}

.content-header h2 {
  font-size: 1.3rem;
}

.content-body {
  display: grid;
  gap: 1rem;
  padding: 1rem;
  min-width: 0;
}

.content-panel {
  display: none;
}

.content-panel.is-active {
  display: block;
}

wa-card::part(base) {
  border: 3px solid var(--border);
  border-radius: 0;
  box-shadow: 6px 6px 0 #000;
  background: var(--surface);
}

@media (max-width: 880px) {
  .menu-nav {
    border-top: 3px solid var(--border);
  }
}