.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--toolbar-bg);
    border-bottom: 1px solid var(--toolbar-border);
    box-shadow: var(--shadow);
    z-index: 100;
    gap: 16px;
    flex-wrap: wrap;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-group {
    flex: 1;
    min-width: 200px;
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.15s;
    flex-shrink: 0;
}

.toolbar-btn:hover {
    background: var(--btn-hover);
}

.toolbar-btn:active {
    background: var(--btn-active);
}

.toolbar-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.toolbar-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.save-btn {
    background: #10b981;
    color: white;
    border-color: #10b981;
}

.save-btn:hover:not(:disabled) {
    background: #059669;
}

.save-status {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.page-slider {
    flex: 1;
    min-width: 100px;
    height: 6px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.page-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.page-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #3b82f6;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.page-input {
    width: 50px;
    padding: 6px 8px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    text-align: center;
    font-size: 0.9rem;
}

.page-input::-webkit-inner-spin-button,
.page-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

.page-count {
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
}

.zoom-select {
    padding: 6px 8px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
}