.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--color-clay);
    color: white;
    text-align: center;
    padding: var(--space-sm) var(--space-md);
    font-weight: 600;
    font-size: 0.9rem;
}

.app-main {
    min-height: calc(100vh - var(--bottom-nav-offset));
    min-height: calc(100dvh - var(--bottom-nav-offset));
    padding: var(--space-md);
    padding-bottom: calc(var(--bottom-nav-offset) + var(--space-lg));
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    display: flex;
    height: var(--bottom-nav-offset);
    padding-bottom: var(--safe-bottom);
    background: var(--color-surface);
    border-top: none;
    box-shadow: 0 -4px 24px rgba(44, 42, 41, 0.06);
}

.nav-link {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-width: 0;
    min-height: var(--touch-min);
    padding: 0 2px;
    color: var(--color-text-muted);
    font-size: 0.62rem;
    font-weight: 600;
    transition:
        color 0.2s var(--ease-master),
        font-weight 0.2s var(--ease-master);
}

.nav-link span:last-child {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nav-link.active {
    color: var(--color-ink);
    font-weight: 700;
}

.nav-link.active::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 32px;
    height: 3px;
    border-radius: 0 0 3px 3px;
    background: var(--color-primary);
    transform: translateX(-50%);
}

.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2rem;
    font-size: 1.5rem;
    border-radius: var(--radius-sm);
    transition:
        background 0.2s var(--ease-master),
        color 0.2s var(--ease-master),
        font-variation-settings 0.2s var(--ease-master),
        transform 0.2s var(--ease-master);
}

.nav-link.active .nav-icon {
    color: var(--color-primary);
    background: rgba(122, 139, 118, 0.18);
    font-variation-settings:
        "FILL" 1,
        "wght" 600,
        "GRAD" 0,
        "opsz" 24;
    transform: scale(1.06);
}

.toast-container {
    position: fixed;
    bottom: calc(var(--bottom-nav-offset) + var(--space-md));
    left: var(--space-md);
    right: var(--space-md);
    z-index: 400;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast-container > * {
    pointer-events: auto;
    transition:
        transform 0.36s var(--ease-master),
        opacity 0.36s var(--ease-master),
        margin 0.36s var(--ease-master);
}

.install-banner {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
}

.install-banner.hidden {
    display: none;
}

.install-banner-text {
    flex: 1;
    font-size: 0.85rem;
    font-weight: 600;
}

.install-banner .btn {
    min-height: 40px;
    padding: 0 var(--space-md);
    font-size: 0.85rem;
}