.app-shell {
  min-height: 100vh;
}

.bottom-nav {
  position: fixed;
  z-index: 80;
  bottom: max(1rem, env(safe-area-inset-bottom));
  left: 50%;
  display: grid;
  transform: translateX(-50%);
  grid-template-columns: minmax(0, 1fr) 5.2rem minmax(0, 1fr);
  align-items: center;
  gap: 0.35rem;
  width: min(calc(100vw - 2rem), 580px);
  min-height: 4.55rem;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 1.7rem;
  background: color-mix(in srgb, var(--color-surface) 95%, transparent);
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(18px);
}

.bottom-nav-item {
  display: grid;
  min-width: 0;
  min-height: 3.25rem;
  place-items: center;
  align-content: center;
  gap: 0.2rem;
  padding: 0.35rem 0.4rem;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-align: center;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}

.bottom-nav-item svg,
.bottom-nav-home svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.bottom-nav-item:hover,
.bottom-nav-item.is-active {
  background: color-mix(in srgb, var(--accent-primary) 10%, var(--color-surface));
  color: var(--color-text);
}

.bottom-nav-item:active {
  transform: translateY(1px);
}

.bottom-nav-item.is-disabled {
  opacity: 0.42;
  pointer-events: none;
}

.bottom-nav-home {
  display: grid;
  width: 4.65rem;
  height: 4.65rem;
  place-items: center;
  justify-self: center;
  margin-top: -1.65rem;
  border: 5px solid var(--color-surface);
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #181b2c;
  box-shadow: 0 12px 30px color-mix(in srgb, var(--accent-primary) 30%, transparent);
  transition: transform var(--transition), box-shadow var(--transition);
}

.bottom-nav-home svg {
  width: 1.7rem;
  height: 1.7rem;
  stroke-width: 2;
}

.bottom-nav-home:hover,
.bottom-nav-home.is-active {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px color-mix(in srgb, var(--accent-primary) 36%, transparent);
}

.bottom-nav-home:active {
  transform: translateY(0);
}

.workspace {
  min-width: 0;
  padding-bottom: 7.8rem;
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 88px;
  padding: var(--space-5) clamp(1rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(16px);
}

.topbar-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 0.9rem;
}

.topbar-brand-icon {
  flex: 0 0 auto;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 0.9rem;
  box-shadow: 0 8px 22px rgb(9 11 24 / 0.16);
}

.topbar-brand-copy {
  min-width: 0;
}

.topbar h1 {
  margin-bottom: 0;
  font-size: var(--text-2xl);
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.topbar-subtitle {
  margin: 0.22rem 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 650;
}

.topbar-brand.is-product h1 {
  font-size: clamp(1.45rem, 2.2vw, 1.95rem);
  white-space: nowrap;
}

.eyebrow {
  margin-bottom: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-3);
}

.main-content {
  width: min(100%, var(--content-max));
  margin: 0 auto;
  padding: clamp(1rem, 3vw, 2.5rem);
}

.page-stack {
  display: grid;
  gap: var(--space-6);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, 0.65fr);
  gap: var(--space-6);
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.toolbar-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.dossier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-5);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .bottom-nav {
    bottom: max(0.65rem, env(safe-area-inset-bottom));
    grid-template-columns: minmax(0, 1fr) 4.8rem minmax(0, 1fr);
    width: min(calc(100vw - 1rem), 560px);
    padding-inline: 0.45rem;
    border-radius: 1.45rem;
  }

  .bottom-nav-item {
    padding-inline: 0.2rem;
    font-size: 0.68rem;
  }

  .bottom-nav-home {
    width: 4.3rem;
    height: 4.3rem;
  }

  .topbar {
    align-items: center;
    gap: 0.65rem;
    min-height: 76px;
    padding: 0.8rem 1rem;
  }

  .topbar-brand {
    flex: 1 1 auto;
    min-width: 0;
    gap: 0.65rem;
  }

  .topbar-brand-icon {
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 0.72rem;
  }

  .topbar-brand-copy {
    min-width: 0;
  }

  .topbar h1 {
    font-size: clamp(1.12rem, 4.9vw, 1.45rem);
    line-height: 1.08;
    overflow-wrap: normal;
    word-break: normal;
  }

  .topbar-brand.is-product h1 {
    white-space: nowrap;
  }

  .topbar-subtitle {
    font-size: 0.74rem;
    line-height: 1.25;
  }

  .main-content {
    width: 100%;
    min-width: 0;
    padding: 1rem;
    overflow-x: clip;
  }

  .hero-grid,
  .hero-card,
  .info-card,
  .dossier-grid {
    min-width: 0;
    width: 100%;
  }

  .bottom-nav-item span {
    max-width: 100%;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 380px) {
  .topbar {
    gap: 0.45rem;
    min-height: 68px;
    padding: 0.65rem 0.7rem;
  }

  .topbar-brand {
    gap: 0.45rem;
  }

  .topbar-brand-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.58rem;
  }

  .topbar h1,
  .topbar-brand.is-product h1 {
    font-size: clamp(0.96rem, 5.2vw, 1.12rem);
    line-height: 1.05;
  }

  .topbar-subtitle {
    margin-top: 0.14rem;
    font-size: 0.64rem;
    line-height: 1.2;
  }

  .eyebrow {
    margin-bottom: 0.12rem;
    font-size: 0.58rem;
    letter-spacing: 0.08em;
  }

  .topbar-actions {
    gap: 0.25rem;
  }

  .topbar .icon-button {
    width: 2.25rem;
    height: 2.25rem;
    min-width: 2.25rem;
  }

  .bottom-nav {
    grid-template-columns: minmax(0, 1fr) 4.45rem minmax(0, 1fr);
    gap: 0.15rem;
    width: calc(100vw - 0.75rem);
    padding-inline: 0.3rem;
  }

  .bottom-nav-home {
    width: 4rem;
    height: 4rem;
  }

  .bottom-nav-item {
    font-size: 0.62rem;
  }
}