.app-container {
  display: flex;
  min-height: 100vh;
  background: var(--background);
}

.app-sidebar {
  width: 276px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 28%),
    var(--bg-sidebar);
  color: #f8fbff;
  border-right: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 12px 0 28px rgba(9, 22, 38, 0.12);
}

.sidebar-header {
  padding: 26px 24px 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-kicker {
  margin: 0 0 18px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.logos {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.logo-lockup {
  display: grid;
  gap: 6px;
}

.logo-placeholder {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.btg-style {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.rodobens-style {
  color: #c5d4e3;
  background: rgba(255, 255, 255, 0.03);
}

.logo-caption {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.78rem;
  line-height: 1.45;
}

.sidebar-nav {
  padding: 18px 16px;
  flex: 1;
}

.sidebar-section-label {
  padding: 0 10px 10px;
  color: rgba(255, 255, 255, 0.44);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 48px;
  padding: 0 14px;
  border-radius: 10px;
  color: rgba(245, 249, 255, 0.76);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.93rem;
  border: 1px solid transparent;
  transition: all 0.18s ease;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.nav-link.active {
  background: linear-gradient(90deg, rgba(236, 91, 19, 0.18), rgba(236, 91, 19, 0.06));
  border-color: rgba(236, 91, 19, 0.26);
  color: #ffffff;
  box-shadow: inset 3px 0 0 var(--color-brand-accent);
}

.nav-link__meta {
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-link.active .nav-link__meta {
  color: rgba(255, 255, 255, 0.72);
}

.sidebar-footer {
  padding: 18px 24px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  gap: 8px;
}

.sidebar-footer strong {
  font-size: 0.82rem;
  color: #ffffff;
}

.sidebar-footer span {
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.56);
}

.app-main {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 28px 18px;
  background: rgba(243, 240, 235, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(197, 188, 174, 0.9);
}

.topbar-heading {
  display: grid;
  gap: 6px;
}

.topbar-kicker {
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.topbar-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-brand-dark);
}

.topbar-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.86rem;
}

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

.context-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: var(--shadow-soft);
}

.context-pill.highlight {
  background: rgba(236, 91, 19, 0.1);
  border-color: rgba(236, 91, 19, 0.24);
  color: var(--color-brand-accent-strong);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.runtime-banner {
  display: grid;
  gap: 10px;
  max-width: 560px;
  padding: 12px 14px;
  border: 1px solid rgba(13, 45, 82, 0.12);
  border-radius: 12px;
  background:
    linear-gradient(135deg, rgba(236, 91, 19, 0.1), rgba(13, 45, 82, 0.04)),
    var(--bg-panel);
  box-shadow: var(--shadow-soft);
}

.runtime-banner__copy {
  display: grid;
  gap: 4px;
  justify-items: end;
}

.runtime-banner__copy strong {
  color: var(--color-brand-dark);
  font-size: 0.9rem;
}

.runtime-banner__copy span {
  color: var(--text-muted);
  font-size: 0.78rem;
  text-align: right;
  line-height: 1.5;
}

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

.runtime-banner__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.app-content {
  padding: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.18s ease;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.btn-primary {
  background: var(--color-brand-accent);
  color: white;
  box-shadow: 0 8px 18px rgba(236, 91, 19, 0.18);
}

.btn-primary:hover {
  background: var(--color-brand-accent-strong);
}

.btn-secondary {
  background: var(--bg-panel);
  color: var(--color-brand-dark);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-panel-soft);
  border-color: var(--border-strong);
}

.module-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.module-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.module-title {
  margin: 0 0 6px;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--color-brand-dark);
  letter-spacing: -0.02em;
}

.module-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.module-content {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-panel);
  min-width: 0;
}

@media (max-width: 1100px) {
  .app-container {
    flex-direction: column;
  }

  .app-sidebar {
    width: 100%;
    box-shadow: none;
  }

  .sidebar-nav ul {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  }
}

@media (max-width: 768px) {
  .app-topbar,
  .app-content {
    padding-left: 18px;
    padding-right: 18px;
  }

  .module-content {
    padding: 18px;
  }

  .topbar-title {
    font-size: 1.12rem;
  }

  .runtime-banner {
    max-width: none;
  }

  .runtime-banner__copy,
  .runtime-banner__pills {
    justify-items: start;
    justify-content: flex-start;
  }

  .runtime-banner__copy span {
    text-align: left;
  }
}